Add base classes and utilites to represent Libvirt XML documents

22 files changed, 3061 insertions, 0 deletions

diff --git a/src/main/java/org/openslx/libvirt/xml/LibvirtXmlCreatable.java b/src/main/java/org/openslx/libvirt/xml/LibvirtXmlCreatable.java
new file mode 100644
index 0000000..e799ace
--- /dev/null
+++ b/src/main/java/org/openslx/libvirt/xml/LibvirtXmlCreatable.java
@@ -0,0 +1,26 @@
+package org.openslx.libvirt.xml;
+
+import org.w3c.dom.Node;
+
+/**
+ * Serializability of a Libvirt XML object from/to its XML representation.
+ * 
+ * @author Manuel Bentele
+ * @version 1.0
+ */
+public interface LibvirtXmlCreatable
+{
+	/**
+	 * Serializing an object from its XML representation.
+	 * 
+	 * @param xmlNode The object's XML representation.
+	 */
+	void fromXmlNode( Node xmlNode );
+
+	/**
+	 * Serializing the object to its XML representation.
+	 * 
+	 * @return XML representation of the object.
+	 */
+	Node toXmlNode();
+}
diff --git a/src/main/java/org/openslx/libvirt/xml/LibvirtXmlDocument.java b/src/main/java/org/openslx/libvirt/xml/LibvirtXmlDocument.java
new file mode 100644
index 0000000..abab162
--- /dev/null
+++ b/src/main/java/org/openslx/libvirt/xml/LibvirtXmlDocument.java
@@ -0,0 +1,374 @@
+package org.openslx.libvirt.xml;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.StringWriter;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.Source;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerConfigurationException;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+import javax.xml.transform.stream.StreamSource;
+
+import org.apache.commons.io.IOUtils;
+import org.w3c.dom.Document;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+
+/**
+ * A generic representation of a Libvirt XML file.
+ * 
+ * @implNote Base class to derive the representation of specific Libvirt XML files.
+ * 
+ * @author Manuel Bentele
+ * @version 1.0
+ */
+public abstract class LibvirtXmlDocument implements LibvirtXmlSerializable, LibvirtXmlValidatable
+{
+	/**
+	 * Document builder to parse Libvirt XML document from file.
+	 */
+	private DocumentBuilder domBuilder = null;
+
+	/**
+	 * Representation of a Libvirt XML document.
+	 */
+	private Document xmlDocument = null;
+
+	/**
+	 * XML transformer to transform Libvirt XML document to a file.
+	 */
+	private Transformer xmlTransformer = null;
+
+	/**
+	 * XML root node of the Libvirt XML document.
+	 */
+	private LibvirtXmlNode rootXmlNode = null;
+
+	/**
+	 * RNG schema validator to validate the Libvirt XML document content.
+	 */
+	private LibvirtXmlSchemaValidator rngValidator = null;
+
+	/**
+	 * Creates and initializes XML context to create and transform a Libvirt XML file from/to a file.
+	 * 
+	 * @param rngSchema RNG schema to validate the Libvirt XML document content.
+	 * 
+	 * @throws LibvirtXmlDocumentException error occured during setup of the XML context to read and
+	 *            write from/to a Libvirt XML file.
+	 */
+	private void createXmlContext( Source rngSchema ) throws LibvirtXmlDocumentException
+	{
+		// used for XML input
+		try {
+			DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
+			domFactory.setIgnoringElementContentWhitespace( true );
+			domFactory.setNamespaceAware( true );
+			this.domBuilder = domFactory.newDocumentBuilder();
+		} catch ( ParserConfigurationException e ) {
+			String errorMsg = new String( "Setting up XML context for reading from the Libvirt XML document failed." );
+			throw new LibvirtXmlDocumentException( errorMsg );
+		}
+
+		// used for XML output
+		try {
+			// use hack to load specific transformer factory implementation for XSLT
+			System.setProperty( TransformerFactory.class.getName(),
+					"org.apache.xalan.processor.TransformerFactoryImpl" );
+
+			// create XML transformer factory to create XML transformer with specific indentation
+			TransformerFactory transformerFactory = TransformerFactory.newInstance();
+
+			// create XML transformer and apply settings for output XML transformation
+			InputStream xslOutputSchemaStream = LibvirtXmlResources.getLibvirtXsl( "xml-output-transformation.xsl" );
+			StreamSource xslOutputSchema = new StreamSource( xslOutputSchemaStream );
+			this.xmlTransformer = transformerFactory.newTransformer( xslOutputSchema );
+		} catch ( TransformerConfigurationException e ) {
+			String errorMsg = new String( "Setting up XML context for writing to the Libvirt XML document failed." );
+			throw new LibvirtXmlDocumentException( errorMsg );
+		}
+
+		// used for XML validation with RNG schema files
+		if ( rngSchema != null ) {
+			try {
+				this.rngValidator = new LibvirtXmlSchemaValidator( rngSchema );
+			} catch ( SAXException e ) {
+				String errorMsg = new String( "Setting up XML context for validating to the Libvirt XML document failed." );
+				e.printStackTrace();
+				throw new LibvirtXmlDocumentException( errorMsg );
+			}
+		}
+	}
+
+	/**
+	 * Creates a Libvirt XML document from a given XML content.
+	 * 
+	 * @param xml XML content as {@link String}.
+	 * 
+	 * @throws LibvirtXmlDocumentException creation of XML context failed.
+	 * @throws LibvirtXmlSerializationException serialization of the XML content failed.
+	 * @throws LibvirtXmlValidationException XML content is not a valid Libvirt XML.
+	 */
+	public LibvirtXmlDocument( String xml )
+			throws LibvirtXmlDocumentException, LibvirtXmlSerializationException, LibvirtXmlValidationException
+	{
+		this( xml, null );
+	}
+
+	/**
+	 * Creates a Libvirt XML document from a given XML content.
+	 * 
+	 * @param xml XML content as {@link String}.
+	 * @param rngSchema RNG schema to validate XML content.
+	 * 
+	 * @throws LibvirtXmlDocumentException creation of XML context failed.
+	 * @throws LibvirtXmlSerializationException serialization of the XML content failed.
+	 * @throws LibvirtXmlValidationException XML content is not a valid Libvirt XML.
+	 */
+	public LibvirtXmlDocument( String xml, Source rngSchema )
+			throws LibvirtXmlDocumentException, LibvirtXmlSerializationException, LibvirtXmlValidationException
+	{
+		this.createXmlContext( rngSchema );
+		this.fromXml( xml );
+		this.validateXml();
+	}
+
+	/**
+	 * Creates a Libvirt XML document from a given XML content.
+	 * 
+	 * @param xml XML content as {@link File}.
+	 * 
+	 * @throws LibvirtXmlDocumentException creation of XML context failed.
+	 * @throws LibvirtXmlSerializationException serialization of the XML content failed.
+	 * @throws LibvirtXmlValidationException XML content is not a valid Libvirt XML.
+	 */
+	public LibvirtXmlDocument( File xml )
+			throws LibvirtXmlDocumentException, LibvirtXmlSerializationException, LibvirtXmlValidationException
+	{
+		this( xml, null );
+	}
+
+	/**
+	 * Creates a Libvirt XML document from a given XML content.
+	 * 
+	 * @param xml XML content as {@link File}.
+	 * @param rngSchema RNG schema to validate XML content.
+	 * 
+	 * @throws LibvirtXmlDocumentException creation of XML context failed.
+	 * @throws LibvirtXmlSerializationException serialization of the XML content failed.
+	 * @throws LibvirtXmlValidationException XML content is not a valid Libvirt XML.
+	 */
+	public LibvirtXmlDocument( File xml, Source rngSchema )
+			throws LibvirtXmlDocumentException, LibvirtXmlSerializationException, LibvirtXmlValidationException
+	{
+		this.createXmlContext( rngSchema );
+		this.fromXml( xml );
+		this.validateXml();
+	}
+
+	/**
+	 * Creates a Libvirt XML document from a given XML content.
+	 * 
+	 * @param xml XML content as {@link InputStream}.
+	 * 
+	 * @throws LibvirtXmlDocumentException creation of XML context failed.
+	 * @throws LibvirtXmlSerializationException serialization of the XML content failed.
+	 * @throws LibvirtXmlValidationException XML content is not a valid Libvirt XML.
+	 */
+	public LibvirtXmlDocument( InputStream xml )
+			throws LibvirtXmlDocumentException, LibvirtXmlSerializationException, LibvirtXmlValidationException
+	{
+		this( xml, null );
+	}
+
+	/**
+	 * Creates a Libvirt XML document from a given XML content.
+	 * 
+	 * @param xml XML content as {@link InputStream}.
+	 * @param rngSchema RNG schema to validate XML content.
+	 * 
+	 * @throws LibvirtXmlDocumentException creation of XML context failed.
+	 * @throws LibvirtXmlSerializationException serialization of the XML content failed.
+	 * @throws LibvirtXmlValidationException XML content is not a valid Libvirt XML.
+	 */
+	public LibvirtXmlDocument( InputStream xml, Source rngSchema )
+			throws LibvirtXmlDocumentException, LibvirtXmlSerializationException, LibvirtXmlValidationException
+	{
+		this.createXmlContext( rngSchema );
+		this.fromXml( xml );
+		this.validateXml();
+	}
+
+	/**
+	 * Creates a Libvirt XML document from a given XML content.
+	 * 
+	 * @param xml XML content as {@link InputSource}.
+	 * 
+	 * @throws LibvirtXmlDocumentException creation of XML context failed.
+	 * @throws LibvirtXmlSerializationException serialization of the XML content failed.
+	 * @throws LibvirtXmlValidationException XML content is not a valid Libvirt XML.
+	 */
+	public LibvirtXmlDocument( InputSource xml )
+			throws LibvirtXmlDocumentException, LibvirtXmlSerializationException, LibvirtXmlValidationException
+	{
+		this( xml, null );
+	}
+
+	/**
+	 * Creates a Libvirt XML document from a given XML content.
+	 * 
+	 * @param xml XML content as {@link InputSource}.
+	 * @param rngSchema RNG schema to validate XML content.
+	 * 
+	 * @throws LibvirtXmlDocumentException creation of XML context failed.
+	 * @throws LibvirtXmlSerializationException serialization of the XML content failed.
+	 * @throws LibvirtXmlValidationException XML content is not a valid Libvirt XML.
+	 */
+	public LibvirtXmlDocument( InputSource xml, Source rngSchema )
+			throws LibvirtXmlDocumentException, LibvirtXmlSerializationException, LibvirtXmlValidationException
+	{
+		this.createXmlContext( rngSchema );
+		this.fromXml( xml );
+		this.validateXml();
+	}
+
+	/**
+	 * Returns the XML root node of the Libvirt XML document.
+	 * 
+	 * @return root node of the Libvirt XML document.
+	 */
+	public LibvirtXmlNode getRootXmlNode()
+	{
+		return this.rootXmlNode;
+	}
+
+	@Override
+	public void fromXml( String xml ) throws LibvirtXmlSerializationException
+	{
+		try {
+			this.xmlDocument = this.domBuilder.parse( xml );
+			this.xmlDocument.getDocumentElement().normalize();
+		} catch ( SAXException e ) {
+			e.printStackTrace();
+		} catch ( IOException e ) {
+			e.printStackTrace();
+		}
+
+		this.rootXmlNode = new LibvirtXmlNode( this.xmlDocument, this.xmlDocument.getDocumentElement() );
+	}
+
+	@Override
+	public void fromXml( File xml ) throws LibvirtXmlSerializationException
+	{
+		try {
+			this.xmlDocument = this.domBuilder.parse( xml );
+			this.xmlDocument.getDocumentElement().normalize();
+		} catch ( SAXException e ) {
+			throw new LibvirtXmlSerializationException( e.getLocalizedMessage() );
+		} catch ( IOException e ) {
+			throw new LibvirtXmlSerializationException( e.getLocalizedMessage() );
+		}
+
+		this.rootXmlNode = new LibvirtXmlNode( this.xmlDocument, this.xmlDocument.getDocumentElement() );
+	}
+
+	@Override
+	public void fromXml( InputStream xml ) throws LibvirtXmlSerializationException
+	{
+		try {
+			this.xmlDocument = this.domBuilder.parse( xml );
+			this.xmlDocument.getDocumentElement().normalize();
+		} catch ( SAXException e ) {
+			throw new LibvirtXmlSerializationException( e.getLocalizedMessage() );
+		} catch ( IOException e ) {
+			throw new LibvirtXmlSerializationException( e.getLocalizedMessage() );
+		}
+
+		this.rootXmlNode = new LibvirtXmlNode( this.xmlDocument, this.xmlDocument.getDocumentElement() );
+	}
+
+	@Override
+	public void fromXml( InputSource xml ) throws LibvirtXmlSerializationException
+	{
+		try {
+			this.xmlDocument = this.domBuilder.parse( xml );
+			this.xmlDocument.getDocumentElement().normalize();
+		} catch ( SAXException e ) {
+			throw new LibvirtXmlSerializationException( e.getLocalizedMessage() );
+		} catch ( IOException e ) {
+			throw new LibvirtXmlSerializationException( e.getLocalizedMessage() );
+		}
+
+		this.rootXmlNode = new LibvirtXmlNode( this.xmlDocument, this.xmlDocument.getDocumentElement() );
+	}
+
+	@Override
+	@SuppressWarnings( "deprecation" )
+	public String toXml() throws LibvirtXmlSerializationException
+	{
+		StringWriter xmlWriter = null;
+		String xml = null;
+
+		try {
+			xmlWriter = new StringWriter();
+			DOMSource source = new DOMSource( this.xmlDocument );
+			StreamResult xmlString = new StreamResult( xmlWriter );
+			this.xmlTransformer.transform( source, xmlString );
+			xml = xmlWriter.toString() + System.lineSeparator();
+			xmlWriter.close();
+		} catch ( TransformerException | IOException e ) {
+			throw new LibvirtXmlSerializationException( e.getLocalizedMessage() );
+		} finally {
+			IOUtils.closeQuietly( xmlWriter );
+		}
+
+		return xml;
+	}
+
+	@Override
+	@SuppressWarnings( "deprecation" )
+	public void toXml( File xml ) throws LibvirtXmlSerializationException
+	{
+		FileWriter xmlWriter = null;
+
+		try {
+			xmlWriter = new FileWriter( xml );
+			DOMSource source = new DOMSource( this.xmlDocument );
+			StreamResult xmlStream = new StreamResult( xmlWriter );
+			this.xmlTransformer.transform( source, xmlStream );
+			xmlWriter.append( System.lineSeparator() );
+			xmlWriter.close();
+		} catch ( TransformerException | IOException e ) {
+			throw new LibvirtXmlSerializationException( e.getLocalizedMessage() );
+		} finally {
+			IOUtils.closeQuietly( xmlWriter );
+		}
+	}
+
+	@Override
+	public void validateXml() throws LibvirtXmlValidationException
+	{
+		if ( this.rngValidator != null ) {
+			this.rngValidator.validate( this.xmlDocument );
+		}
+	}
+
+	@Override
+	public String toString()
+	{
+		try {
+			return this.toXml();
+		} catch ( LibvirtXmlSerializationException e ) {
+			return null;
+		}
+	}
+}
diff --git a/src/main/java/org/openslx/libvirt/xml/LibvirtXmlDocumentException.java b/src/main/java/org/openslx/libvirt/xml/LibvirtXmlDocumentException.java
new file mode 100644
index 0000000..f8605ed
--- /dev/null
+++ b/src/main/java/org/openslx/libvirt/xml/LibvirtXmlDocumentException.java
@@ -0,0 +1,25 @@
+package org.openslx.libvirt.xml;
+
+/**
+ * An exception of a Libvirt XML document.
+ * 
+ * @author Manuel Bentele
+ * @version 1.0
+ */
+public class LibvirtXmlDocumentException extends Exception
+{
+	/**
+	 * Version number for serialization.
+	 */
+	private static final long serialVersionUID = -7423926322035713576L;
+
+	/**
+	 * Creates an document exception including an error message.
+	 * 
+	 * @param errorMsg message to describe a specific document error.
+	 */
+	public LibvirtXmlDocumentException( String errorMsg )
+	{
+		super( errorMsg );
+	}
+}
diff --git a/src/main/java/org/openslx/libvirt/xml/LibvirtXmlEditable.java b/src/main/java/org/openslx/libvirt/xml/LibvirtXmlEditable.java
new file mode 100644
index 0000000..1ddddce
--- /dev/null
+++ b/src/main/java/org/openslx/libvirt/xml/LibvirtXmlEditable.java
@@ -0,0 +1,241 @@
+package org.openslx.libvirt.xml;
+
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+/**
+ * Editability of XML nodes based on {@link XPath} expressions.
+ * 
+ * @author Manuel Bentele
+ * @version 1.0
+ */
+public interface LibvirtXmlEditable
+{
+	/**
+	 * Returns XML node selected by a {@link XPath} expression
+	 * 
+	 * @param expression {@link XPath} expression to select XML node.
+	 * @return selected XML node.
+	 */
+	public Node getXmlNode( String expression );
+
+	/**
+	 * Returns XML nodes selected by a {@link XPath} expression
+	 * 
+	 * @param expression {@link XPath} expression to select XML nodes.
+	 * @return selected XML nodes.
+	 */
+	public NodeList getXmlNodes( String expression );
+
+	/**
+	 * Return current XML root element.
+	 * 
+	 * @return current XML root element.
+	 */
+	public default Node getXmlElement()
+	{
+		return this.getXmlElement( null );
+	}
+
+	/**
+	 * Returns XML element from selection by a {@link XPath} expression.
+	 * 
+	 * @param expression {@link XPath} expression to select XML element.
+	 * @return selected XML element.
+	 */
+	public Node getXmlElement( String expression );
+
+	/**
+	 * Sets an XML element selected by a {@link XPath} expression.
+	 * 
+	 * If the XML element selected by the given {@link XPath} expression does not exists, the XML
+	 * element will be created.
+	 * 
+	 * @param expression {@link XPath} expression to select XML element.
+	 */
+	public default void setXmlElement( String expression )
+	{
+		this.setXmlElement( expression, null );
+	}
+
+	/**
+	 * Sets a XML element selected by a {@link XPath} expression and appends child XML node.
+	 * 
+	 * If the XML element selected by the given {@link XPath} expression does not exists, the XML
+	 * element will be created and the given XML child node is appended.
+	 * 
+	 * @param expression {@link XPath} expression to select XML element.
+	 * @param child XML node that will be appended to the selected XML element.
+	 */
+	public void setXmlElement( String expression, Node child );
+
+	/**
+	 * Returns the text value of a XML element selected by a {@link XPath} expression.
+	 * 
+	 * @param expression {@link XPath} expression to select XML element.
+	 * @return Text value of the selected XML element.
+	 */
+	public String getXmlElementValue( String expression );
+
+	/**
+	 * Sets the text value of a XML element selected by a {@link XPath} expression.
+	 * 
+	 * @param expression {@link XPath} expression to select XML element.
+	 * @param value text value to set selected XML element's text.
+	 */
+	public void setXmlElementValue( String expression, String value );
+
+	/**
+	 * Removes a XML element and all its childs selected by a {@link XPath} expression.
+	 * 
+	 * @param expression {@link XPath} expression to select XML element.
+	 */
+	public void removeXmlElement( String expression );
+
+	/**
+	 * Removes all child elements of a XML element selected by a {@link XPath} expression.
+	 * 
+	 * @param expression {@link XPath} expression to select XML element.
+	 */
+	public void removeXmlElementChilds( String expression );
+
+	/**
+	 * Returns the text value of a XML attribute from the current XML root element.
+	 * 
+	 * @param attributeName name to select XML attribute of the current XML root element.
+	 * @return attribute text of the XML attribute from the current XML root element as
+	 *         {@link String}.
+	 */
+	public default String getXmlElementAttributeValue( String attributeName )
+	{
+		return this.getXmlElementAttributeValue( null, attributeName );
+	}
+
+	/**
+	 * Returns the binary choice of a XML attribute from the current XML root element.
+	 * 
+	 * If the text value of the XML attribute equals to <i>yes</i>, the returned {@link boolean}
+	 * value is set to <i>true</i>. Otherwise, if the text value of the XML attribute equals to
+	 * <i>no</i>, the returned {@link boolean} value is set to <i>false</i>.
+	 * 
+	 * @param attributeName name to select XML attribute of the current XML root element.
+	 * @return attribute value of the XML attribute from the current XML root element as
+	 *         {@link boolean}.
+	 */
+	public default boolean getXmlElementAttributeValueAsBool( String attributeName )
+	{
+		return "yes".equals( this.getXmlElementAttributeValue( attributeName ) );
+	}
+
+	/**
+	 * Returns the binary choice of a XML attribute from a XML element selected by a
+	 * {@link XPath}expression.
+	 * 
+	 * If the text value of the XML attribute equals to <i>yes</i>, the returned {@link boolean}
+	 * value is set to <i>true</i>. Otherwise, if the text value of the XML attribute equals to
+	 * <i>no</i>, the returned {@link boolean} value is set to <i>false</i>.
+	 * 
+	 * @param expression {@link XPath} expression to select XML element.
+	 * @param attributeName name to select XML attribute of the current XML root element.
+	 * @return attribute value of the XML attribute from the current XML root element as
+	 *         {@link boolean}.
+	 */
+	public default boolean getXmlElementAttributeValueAsBool( String expression, String attributeName )
+	{
+		return "yes".equals( this.getXmlElementAttributeValue( expression, attributeName ) );
+	}
+
+	/**
+	 * Returns the text value of a XML attribute from a XML element selected by a
+	 * {@link XPath}expression.
+	 * 
+	 * @param expression {@link XPath} expression to select XML element.
+	 * @param attributeName name to select XML attribute of the selected XML element.
+	 * @return attribute text of the XML attribute from the selected XML element.
+	 */
+	public String getXmlElementAttributeValue( String expression, String attributeName );
+
+	/**
+	 * Sets the text value of a XML attribute from the current XML root element.
+	 * 
+	 * @param attributeName name to select XML attribute of the current XML root element.
+	 * @param value XML attribute value for the selected XML attribute from the current XML root
+	 *           element.
+	 */
+	public default void setXmlElementAttributeValue( String attributeName, String value )
+	{
+		this.setXmlElementAttributeValue( null, attributeName, value );
+	}
+
+	/**
+	 * Sets the binary choice value of a XML attribute from the current XML root element.
+	 * 
+	 * If the binary choice value for the XML attribute equals to <i>true</i>, the text value of the
+	 * selected XML attribute is set to <i>yes</i>. Otherwise, if the binary choice value for the
+	 * selected XML attribute equals to <i>false</i>, the text value of the selected XML attribute is
+	 * set to <i>no</i>.
+	 * 
+	 * @param attributeName name to select XML attribute of the selected XML element.
+	 * @param value binary choice value for the selected XML attribute from the selected XML element.
+	 */
+	public default void setXmlElementAttributeValue( String attributeName, boolean value )
+	{
+		final String valueYesNo = value ? "yes" : "no";
+		this.setXmlElementAttributeValue( attributeName, valueYesNo );
+	}
+
+	/**
+	 * Sets the binary choice value of a XML attribute from a XML element selected by a
+	 * {@link XPath} expression.
+	 * 
+	 * If the binary choice value for the XML attribute equals to <i>true</i>, the text value of the
+	 * selected XML attribute is set to <i>yes</i>. Otherwise, if the binary choice value for the
+	 * selected XML attribute equals to <i>false</i>, the text value of the selected XML attribute is
+	 * set to <i>no</i>.
+	 * 
+	 * @param expression {@link XPath} expression to select XML element.
+	 * @param attributeName name to select XML attribute of the selected XML element.
+	 * @param value binary choice value for the selected XML attribute from the selected XML element.
+	 */
+	public default void setXmlElementAttributeValue( String expression, String attributeName, boolean value )
+	{
+		final String valueYesNo = value ? "yes" : "no";
+		this.setXmlElementAttributeValue( expression, attributeName, valueYesNo );
+	}
+
+	/**
+	 * Sets the text value of a XML attribute from a XML element selected by a
+	 * {@link XPath} expression.
+	 * 
+	 * @param expression {@link XPath} expression to select XML element.
+	 * @param attributeName name to select XML attribute of the selected XML element.
+	 * @param value XML attribute value for the selected XML attribute from the selected XML element.
+	 */
+	public void setXmlElementAttributeValue( String expression, String attributeName, String value );
+
+	/**
+	 * Removes an XML attribute from the current XML root element.
+	 * 
+	 * @param attributeName name of the attribute which should be deleted.
+	 */
+	public default void removeXmlElementAttribute( String attributeName )
+	{
+		this.removeXmlElementAttribute( null, attributeName );
+	}
+
+	/**
+	 * Removes an XML attribute from a XML element selected by a {@link XPath} expression.
+	 * 
+	 * @param expression {@link XPath} expression to select XML element.
+	 * @param attributeName name of the attribute which should be deleted.
+	 */
+	public void removeXmlElementAttribute( String expression, String attributeName );
+
+	/**
+	 * Removes all XML attributes from a XML element selected by a {@link XPath} expression.
+	 * 
+	 * @param expression {@link XPath} expression to select XML element.
+	 */
+	public void removeXmlElementAttributes( String expression );
+
+}
diff --git a/src/main/java/org/openslx/libvirt/xml/LibvirtXmlNode.java b/src/main/java/org/openslx/libvirt/xml/LibvirtXmlNode.java
new file mode 100644
index 0000000..93e28de
--- /dev/null
+++ b/src/main/java/org/openslx/libvirt/xml/LibvirtXmlNode.java
@@ -0,0 +1,356 @@
+package org.openslx.libvirt.xml;
+
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathConstants;
+import javax.xml.xpath.XPathExpression;
+import javax.xml.xpath.XPathExpressionException;
+import javax.xml.xpath.XPathFactory;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+/**
+ * A representation of a XML node as part of a {@link LibvirtXMLDocument}.
+ * 
+ * @author Manuel Bentele
+ * @version 1.0
+ */
+public class LibvirtXmlNode implements LibvirtXmlCreatable, LibvirtXmlEditable
+{
+	/**
+	 * Separation character for internal {@link XPath} expressions.
+	 */
+	private static final String XPATH_EXPRESSION_SEPARATOR = "/";
+
+	/**
+	 * Current XML node selection character for internal {@link XPath} expressions.
+	 */
+	private static final String XPATH_EXPRESSION_CURRENT_NODE = ".";
+
+	/**
+	 * Factory to create {@link XPath} objects.
+	 */
+	private XPathFactory xPathFactory = null;
+
+	/**
+	 * Representation of the XML document, in which this {@link LibvirtXmlNode} is part of.
+	 */
+	private Document xmlDocument = null;
+
+	/**
+	 * Current XML base node as XML root anchor for relative internal {@link XPath} expressions.
+	 */
+	private Node xmlBaseNode = null;
+
+	/**
+	 * Create and initialize {@link XPath} context to define and compile custom {@link XPath}
+	 * expressions.
+	 */
+	private void createXPathContext()
+	{
+		this.xPathFactory = XPathFactory.newInstance();
+	}
+
+	/**
+	 * Creates empty Libvirt XML node, which does not belong to any XML document and does not specify
+	 * any XML base node.
+	 * 
+	 * @implNote Please call {@link LibvirtXmlNode#setXmlDocument(Document)} and
+	 *           {@link LibvirtXmlNode#setXmlBaseNode(Node)} manually to obtain a functional Libvirt
+	 *           XML node.
+	 */
+	public LibvirtXmlNode()
+	{
+		this( null, null );
+	}
+
+	/**
+	 * Creates Libvirt XML node from a existing Libvirt XML node by reference.
+	 * 
+	 * @param xmlNode existing Libvirt XML node.
+	 */
+	public LibvirtXmlNode( LibvirtXmlNode xmlNode )
+	{
+		this( xmlNode.getXmlDocument(), xmlNode.getXmlBaseNode() );
+	}
+
+	/**
+	 * Creates Libvirt XML node as part of a existing XML document.
+	 * 
+	 * @param xmlDocument existing XML document.
+	 * 
+	 * @implNote Please call {@link LibvirtXmlNode#setXmlBaseNode(Node)} manually to obtain a
+	 *           functional Libvirt XML node.
+	 */
+	public LibvirtXmlNode( Document xmlDocument )
+	{
+		this( xmlDocument, null );
+	}
+
+	/**
+	 * Creates Libvirt XML node with a specific XML base node.
+	 * 
+	 * @param xmlBaseNode existing XML base node.
+	 * 
+	 * @implNote Please call {@link LibvirtXmlNode#setXmlDocument(Document)} manually to obtain a
+	 *           functional Libvirt XML node.
+	 */
+	public LibvirtXmlNode( Node xmlBaseNode )
+	{
+		this( null, xmlBaseNode );
+	}
+
+	/**
+	 * Creates Libvirt XML node with a specific XML base node as part of a XML document.
+	 * 
+	 * @param xmlDocument existing XML document.
+	 * @param xmlBaseNode existing XML base node.
+	 */
+	public LibvirtXmlNode( Document xmlDocument, Node xmlBaseNode )
+	{
+		this.createXPathContext();
+
+		this.setXmlDocument( xmlDocument );
+		this.setXmlBaseNode( xmlBaseNode );
+	}
+
+	/**
+	 * Returns referenced XML document.
+	 * 
+	 * @return referenced XML document.
+	 */
+	public Document getXmlDocument()
+	{
+		return this.xmlDocument;
+	}
+
+	/**
+	 * Sets existing XML document for Libvirt XML node.
+	 * 
+	 * @param xmlDocument existing XML document.
+	 */
+	public void setXmlDocument( Document xmlDocument )
+	{
+		this.xmlDocument = xmlDocument;
+	}
+
+	/**
+	 * Returns current XML base node.
+	 * 
+	 * @return current XML base node as XML root anchor of relative internal {@link XPath}
+	 *         expressions.
+	 */
+	public Node getXmlBaseNode()
+	{
+		return this.xmlBaseNode;
+	}
+
+	/**
+	 * Sets existing XML base node for Libvirt XML node.
+	 * 
+	 * @param xmlBaseNode existing XML base node as XML root anchor for relative internal
+	 *           {@link XPath} expressions.
+	 */
+	public void setXmlBaseNode( Node xmlBaseNode )
+	{
+		this.xmlBaseNode = xmlBaseNode;
+	}
+
+	@Override
+	public Node getXmlNode( String expression )
+	{
+		NodeList nodes = this.getXmlNodes( expression );
+		return nodes.item( 0 );
+	}
+
+	@Override
+	public NodeList getXmlNodes( String expression )
+	{
+		Object nodes = null;
+
+		try {
+			XPath xPath = this.xPathFactory.newXPath();
+			XPathExpression xPathExpr = xPath.compile( expression );
+			nodes = xPathExpr.evaluate( this.xmlBaseNode, XPathConstants.NODESET );
+		} catch ( XPathExpressionException e ) {
+			e.printStackTrace();
+		}
+
+		return NodeList.class.cast( nodes );
+	}
+
+	@Override
+	public Node getXmlElement( String expression )
+	{
+		String completeExpression = null;
+
+		if ( expression == null ) {
+			completeExpression = XPATH_EXPRESSION_CURRENT_NODE;
+		} else if ( expression.isEmpty() ) {
+			completeExpression = XPATH_EXPRESSION_CURRENT_NODE;
+		} else {
+			completeExpression = XPATH_EXPRESSION_CURRENT_NODE + XPATH_EXPRESSION_SEPARATOR + expression;
+		}
+
+		Node node = this.getXmlNode( completeExpression );
+
+		if ( node != null && node.getNodeType() == Node.ELEMENT_NODE ) {
+			return node;
+		} else {
+			return null;
+		}
+	}
+
+	private Node createXmlElement( String expression )
+	{
+		Node parentNode = this.xmlBaseNode;
+		Node currentNode = parentNode;
+
+		if ( expression != null && !expression.isEmpty() ) {
+			String[] nodeNames = expression.split( XPATH_EXPRESSION_SEPARATOR );
+			String partialExpression = XPATH_EXPRESSION_CURRENT_NODE;
+
+			for ( int i = 0; i < nodeNames.length; i++ ) {
+				partialExpression += XPATH_EXPRESSION_SEPARATOR + nodeNames[i];
+				currentNode = this.getXmlNode( partialExpression );
+
+				if ( currentNode == null ) {
+					parentNode.appendChild( this.xmlDocument.createElement( nodeNames[i] ) );
+					currentNode = parentNode.getLastChild();
+				}
+
+				parentNode = currentNode;
+			}
+		}
+
+		return currentNode;
+	}
+
+	@Override
+	public void setXmlElement( String expression, Node child )
+	{
+		Node node = this.createXmlElement( expression );
+
+		if ( child != null ) {
+			node.appendChild( child );
+		}
+	}
+
+	@Override
+	public String getXmlElementValue( String expression )
+	{
+		Node node = this.getXmlElement( expression );
+
+		if ( node != null ) {
+			return node.getTextContent();
+		} else {
+			return null;
+		}
+	}
+
+	@Override
+	public void setXmlElementValue( String expression, String value )
+	{
+		Node node = this.createXmlElement( expression );
+		node.setTextContent( value );
+	}
+
+	@Override
+	public void removeXmlElement( String expression )
+	{
+		Node node = this.getXmlElement( expression );
+
+		if ( node != null ) {
+			node.getParentNode().removeChild( node );
+		}
+	}
+
+	@Override
+	public void removeXmlElementChilds( String expression )
+	{
+		Node node = this.getXmlElement( expression );
+
+		if ( node != null ) {
+			for ( int i = 0; i < node.getChildNodes().getLength(); i++ ) {
+				Node child = node.getChildNodes().item( 0 );
+				node.removeChild( child );
+			}
+		}
+	}
+
+	@Override
+	public String getXmlElementAttributeValue( String expression, String attributeName )
+	{
+		Node node = null;
+
+		if ( expression != null && !expression.isEmpty() ) {
+			node = this.getXmlElement( expression );
+		} else {
+			node = this.xmlBaseNode;
+		}
+
+		if ( node == null ) {
+			return null;
+		} else {
+			Node attribute = node.getAttributes().getNamedItem( attributeName );
+
+			if ( attribute == null ) {
+				return null;
+			} else {
+				return attribute.getNodeValue();
+			}
+		}
+	}
+
+	@Override
+	public void setXmlElementAttributeValue( String expression, String attributeName, String value )
+	{
+		Node node = this.createXmlElement( expression );
+		Node attribute = node.getAttributes().getNamedItem( attributeName );
+
+		if ( attribute == null ) {
+			Element element = Element.class.cast( node );
+			element.setAttribute( attributeName, value );
+		} else {
+			attribute.setNodeValue( value );
+		}
+	}
+	
+	@Override
+	public void removeXmlElementAttribute( String expression, String attributeName )
+	{
+		Node node = this.getXmlElement( expression );
+
+		if ( node != null ) {
+			Node attribute = node.getAttributes().getNamedItem( attributeName );
+			node.getAttributes().removeNamedItem( attribute.getNodeName() );
+		}
+	}
+
+	@Override
+	public void removeXmlElementAttributes( String expression )
+	{
+		Node node = this.getXmlElement( expression );
+
+		if ( node != null ) {
+			for ( int i = 0; i < node.getAttributes().getLength(); i++ ) {
+				Node attribute = node.getAttributes().item( 0 );
+				node.getAttributes().removeNamedItem( attribute.getNodeName() );
+			}
+		}
+	}
+
+	@Override
+	public void fromXmlNode( Node xmlNode )
+	{
+		this.setXmlBaseNode( xmlNode );
+	}
+
+	@Override
+	public Node toXmlNode()
+	{
+		return this.getXmlBaseNode();
+	}
+}
diff --git a/src/main/java/org/openslx/libvirt/xml/LibvirtXmlResources.java b/src/main/java/org/openslx/libvirt/xml/LibvirtXmlResources.java
new file mode 100644
index 0000000..38c818b
--- /dev/null
+++ b/src/main/java/org/openslx/libvirt/xml/LibvirtXmlResources.java
@@ -0,0 +1,52 @@
+package org.openslx.libvirt.xml;
+
+import java.io.File;
+import java.io.InputStream;
+
+/**
+ * Collection of resource utils for a Libvirt XML document.
+ * 
+ * @author Manuel Bentele
+ * @version 1.0
+ */
+public final class LibvirtXmlResources
+{
+	/**
+	 * File path prefix of the absolute path to the libvirt resource folder in a *.jar file.
+	 */
+	private static final String LIBVIRT_PREFIX_PATH = File.separator + "libvirt";
+
+	/**
+	 * File path prefix of the absolute path to the libvirt XSL resource folder in a *.jar file.
+	 */
+	private static final String LIBVIRT_PREFIX_PATH_XSL = LIBVIRT_PREFIX_PATH + File.separator + "xsl";
+
+	/**
+	 * File path prefix of the absolute path to the libvirt RNG resource folder in a *.jar file.
+	 */
+	private static final String LIBVIRT_PREFIX_PATH_RNG = LIBVIRT_PREFIX_PATH + File.separator + "rng";
+
+	/**
+	 * Returns a Libvirt XSL resource as stream.
+	 * 
+	 * @param libvirtXslFileName file name of the XSL resource in the resources *.jar folder.
+	 * @return Libvirt XSL resource as stream.
+	 */
+	public static InputStream getLibvirtXsl( String libvirtXslFileName )
+	{
+		String libvirtXslPath = LibvirtXmlResources.LIBVIRT_PREFIX_PATH_XSL + File.separator + libvirtXslFileName;
+		return LibvirtXmlResources.class.getResourceAsStream( libvirtXslPath );
+	}
+
+	/**
+	 * Returns a Libvirt RNG schema resource as stream.
+	 * 
+	 * @param libvirtRngFileName file name of the RNG schema resource in the resources *.jar folder.
+	 * @return Libvirt RNG schema resource as stream.
+	 */
+	public static InputStream getLibvirtRng( String libvirtRngFileName )
+	{
+		String libvirtRngPath = LibvirtXmlResources.LIBVIRT_PREFIX_PATH_RNG + File.separator + libvirtRngFileName;
+		return LibvirtXmlResources.class.getResourceAsStream( libvirtRngPath );
+	}
+}
diff --git a/src/main/java/org/openslx/libvirt/xml/LibvirtXmlSchemaValidator.java b/src/main/java/org/openslx/libvirt/xml/LibvirtXmlSchemaValidator.java
new file mode 100644
index 0000000..01e8adb
--- /dev/null
+++ b/src/main/java/org/openslx/libvirt/xml/LibvirtXmlSchemaValidator.java
@@ -0,0 +1,283 @@
+package org.openslx.libvirt.xml;
+
+import java.io.BufferedInputStream;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.Reader;
+
+import javax.xml.XMLConstants;
+import javax.xml.transform.Source;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+import javax.xml.transform.stream.StreamSource;
+import javax.xml.validation.Schema;
+import javax.xml.validation.SchemaFactory;
+import javax.xml.validation.Validator;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.ls.LSInput;
+import org.w3c.dom.ls.LSResourceResolver;
+import org.xml.sax.SAXException;
+
+/**
+ * Resource resolver input for RelaxNG schemas.
+ * 
+ * @author Manuel Bentele
+ * @version 1.0
+ */
+class LibvirtXmlSchemaResourceInput implements LSInput
+{
+	/**
+	 * Stores the public identification of the schema resource.
+	 */
+	private String publicId;
+
+	/**
+	 * Stores the system identification of the schema resource.
+	 */
+	private String systemId;
+
+	/**
+	 * Stream to process and read the schema resource.
+	 */
+	private BufferedInputStream inputStream;
+
+	/**
+	 * Creates a resource resolver input for a RelaxNG schema.
+	 * 
+	 * @param publicId public identification of the schema resource.
+	 * @param sysId system identification of the schema resource.
+	 * @param input stream of the schema resource.
+	 */
+	public LibvirtXmlSchemaResourceInput( String publicId, String sysId, InputStream input )
+	{
+		this.publicId = publicId;
+		this.systemId = sysId;
+		this.inputStream = new BufferedInputStream( input );
+	}
+
+	@Override
+	public String getBaseURI()
+	{
+		return null;
+	}
+
+	@Override
+	public InputStream getByteStream()
+	{
+		return null;
+	}
+
+	@Override
+	public boolean getCertifiedText()
+	{
+		return false;
+	}
+
+	@Override
+	public Reader getCharacterStream()
+	{
+		return null;
+	}
+
+	@Override
+	public String getEncoding()
+	{
+		return null;
+	}
+
+	@Override
+	public String getPublicId()
+	{
+		return this.publicId;
+	}
+
+	@Override
+	public String getStringData()
+	{
+		String data = null;
+
+		synchronized ( this.inputStream ) {
+			try {
+				int inputLength = this.inputStream.available();
+				byte[] input = new byte[ inputLength ];
+				this.inputStream.read( input );
+				data = new String( input );
+			} catch ( IOException e ) {
+				e.printStackTrace();
+			}
+		}
+
+		return data;
+	}
+
+	@Override
+	public String getSystemId()
+	{
+		return this.systemId;
+	}
+
+	@Override
+	public void setBaseURI( String arg0 )
+	{
+	}
+
+	@Override
+	public void setByteStream( InputStream arg0 )
+	{
+	}
+
+	@Override
+	public void setCertifiedText( boolean arg0 )
+	{
+	}
+
+	@Override
+	public void setCharacterStream( Reader arg0 )
+	{
+	}
+
+	@Override
+	public void setEncoding( String arg0 )
+	{
+	}
+
+	@Override
+	public void setPublicId( String arg0 )
+	{
+		this.publicId = arg0;
+	}
+
+	@Override
+	public void setStringData( String arg0 )
+	{
+	}
+
+	@Override
+	public void setSystemId( String arg0 )
+	{
+		this.systemId = arg0;
+	}
+}
+
+/**
+ * Resource resolver for RelaxNG schemas.
+ * 
+ * @author Manuel Bentele
+ * @version 1.0
+ */
+class LibvirtXmlSchemaResourceResolver implements LSResourceResolver
+{
+	@Override
+	public LSInput resolveResource( String type, String namespaceURI, String publicId, String systemId, String baseURI )
+	{
+		InputStream rngResourceStream = LibvirtXmlResources.getLibvirtRng( systemId );
+		return new LibvirtXmlSchemaResourceInput( publicId, systemId, rngResourceStream );
+	}
+}
+
+/**
+ * Validator for validation of Libvirt XML documents with RelaxNG schemas.
+ * 
+ * @author Manuel Bentele
+ * @version 1.0
+ */
+public class LibvirtXmlSchemaValidator
+{
+	/**
+	 * RelaxNG based validator for validation of Libvirt XML documents.
+	 */
+	private Validator rngSchemaValidator;
+
+	/**
+	 * Creates a validator for validation of Libvirt XML documents with RelaxNG schemas.
+	 * 
+	 * @param rngSchema
+	 * @throws SAXException
+	 */
+	public LibvirtXmlSchemaValidator( Source rngSchema ) throws SAXException
+	{
+		this.createValidationContext( rngSchema );
+	}
+
+	/**
+	 * Creates context for validation of Libvirt XML documents with a RelaxNG schema.
+	 * 
+	 * @param rngSchema RelaxNG schema used for validation with {@link #validate(Document)}.
+	 * 
+	 * @throws SAXException Loading, creation and processing of <code>rngSchema</code> has failed.
+	 */
+	private void createValidationContext( Source rngSchema ) throws SAXException
+	{
+		// use hack to load specific schema factory implementation for RelaxNG schemas
+		System.setProperty( SchemaFactory.class.getName() + ":" + XMLConstants.RELAXNG_NS_URI,
+				"com.thaiopensource.relaxng.jaxp.XMLSyntaxSchemaFactory" );
+
+		// create schema resource resolver to resolve schema resources during parsing and validation
+		LibvirtXmlSchemaResourceResolver schemaResolver = new LibvirtXmlSchemaResourceResolver();
+
+		// create schema factory to be able to create a RelaxNG schema validator
+		SchemaFactory factory = SchemaFactory.newInstance( XMLConstants.RELAXNG_NS_URI );
+		factory.setResourceResolver( schemaResolver );
+		Schema schema = factory.newSchema( rngSchema );
+
+		// create the RelaxNG schema validator
+		this.rngSchemaValidator = schema.newValidator();
+		this.rngSchemaValidator.setResourceResolver( schemaResolver );
+	}
+
+	/**
+	 * Transforms a DOM source to a Stream source.
+	 * 
+	 * @param domSource DOM source of a Libvirt XML document.
+	 * @return Stream source of a Libvirt XML document.
+	 * 
+	 * @throws TransformerException Transformation of DOM source to a Stream source has failed.
+	 * 
+	 * @implNote This utility method is necessary in {@link #validate(Document)} to be able to
+	 *           validate a DOM Libvirt XML document with the schema and validator implementation for
+	 *           RelaxNG schema files from
+	 *           <code>com.thaiopensource.relaxng.jaxp.XMLSyntaxSchemaFactory</code>.
+	 */
+	private static StreamSource toStreamSource( DOMSource domSource ) throws TransformerException
+	{
+		ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+		StreamResult result = new StreamResult( outputStream );
+
+		// create identity transformer
+		Transformer transformer = TransformerFactory.newInstance().newTransformer();
+		transformer.transform( domSource, result );
+
+		ByteArrayInputStream inputStream = new ByteArrayInputStream( outputStream.toByteArray() );
+		return new StreamSource( inputStream );
+	}
+
+	/**
+	 * Validates a given (and parsed) DOM Libvirt XML document.
+	 * 
+	 * Validation takes place if the specified <code>xmlDocument</code> is non-null, otherwise the
+	 * validation succeeds immediately. If the validation of the <code>xmlDocument</code> fails, a
+	 * validation exception is thrown.
+	 * 
+	 * @param xmlDocument Libvirt XML document.
+	 * 
+	 * @throws LibvirtXmlValidationException Validation of Libvirt XML document failed.
+	 */
+	public void validate( Document xmlDocument ) throws LibvirtXmlValidationException
+	{
+		if ( xmlDocument != null ) {
+			try {
+				DOMSource domSource = new DOMSource( xmlDocument );
+				StreamSource source = LibvirtXmlSchemaValidator.toStreamSource( domSource );
+				this.rngSchemaValidator.validate( source );
+			} catch ( SAXException | TransformerException | IOException e ) {
+				throw new LibvirtXmlValidationException( e.getLocalizedMessage() );
+			}
+		}
+	}
+}
diff --git a/src/main/java/org/openslx/libvirt/xml/LibvirtXmlSerializable.java b/src/main/java/org/openslx/libvirt/xml/LibvirtXmlSerializable.java
new file mode 100644
index 0000000..6f11ce5
--- /dev/null
+++ b/src/main/java/org/openslx/libvirt/xml/LibvirtXmlSerializable.java
@@ -0,0 +1,57 @@
+package org.openslx.libvirt.xml;
+
+import java.io.File;
+import java.io.InputStream;
+
+import org.xml.sax.InputSource;
+
+/**
+ * Serializability of a Libvirt XML document from/to a XML file.
+ * 
+ * @author Manuel Bentele
+ * @version 1.0
+ */
+public abstract interface LibvirtXmlSerializable
+{
+	/**
+	 * Serialize Libvirt XML document from {@link String}.
+	 * 
+	 * @param xml {@link String} containing XML content.
+	 */
+	public void fromXml( String xml ) throws LibvirtXmlSerializationException;
+
+	/**
+	 * Serialize Libvirt XML document from {@link File}.
+	 * 
+	 * @param xml {@link File} containing XML content.
+	 */
+	public void fromXml( File xml ) throws LibvirtXmlSerializationException;
+
+	/**
+	 * Serialize Libvirt XML document from {@link InputStream}.
+	 * 
+	 * @param xml {@link InputStream} providing XML content.
+	 */
+	void fromXml( InputStream xml ) throws LibvirtXmlSerializationException;
+
+	/**
+	 * Serialize Libvirt XML document from {@link InputSource}.
+	 * 
+	 * @param xml {@link InputSource} providing XML content.
+	 */
+	public void fromXml( InputSource xml ) throws LibvirtXmlSerializationException;
+
+	/**
+	 * Serialize Libvirt XML document to {@link String}.
+	 * 
+	 * @return XML {@link String} containing Libvirt XML document content.
+	 */
+	public String toXml() throws LibvirtXmlSerializationException;
+
+	/**
+	 * Serialize Libvirt XML document to {@link File}.
+	 * 
+	 * @param xml XML {@link File} containing Libvirt XML document content.
+	 */
+	public void toXml( File xml ) throws LibvirtXmlSerializationException;
+}
diff --git a/src/main/java/org/openslx/libvirt/xml/LibvirtXmlSerializationException.java b/src/main/java/org/openslx/libvirt/xml/LibvirtXmlSerializationException.java
new file mode 100644
index 0000000..d522107
--- /dev/null
+++ b/src/main/java/org/openslx/libvirt/xml/LibvirtXmlSerializationException.java
@@ -0,0 +1,25 @@
+package org.openslx.libvirt.xml;
+
+/**
+ * An exception of an serialization error during Libvirt XML serialization.
+ * 
+ * @author Manuel Bentele
+ * @version 1.0
+ */
+public class LibvirtXmlSerializationException extends Exception
+{
+	/**
+	 * Version number for serialization.
+	 */
+	private static final long serialVersionUID = 7995955592221349949L;
+
+	/**
+	 * Creates a XML serialization exception including an error message.
+	 * 
+	 * @param errorMsg message to describe a specific XML serialization error.
+	 */
+	public LibvirtXmlSerializationException( String errorMsg )
+	{
+		super( errorMsg );
+	}
+}
diff --git a/src/main/java/org/openslx/libvirt/xml/LibvirtXmlValidatable.java b/src/main/java/org/openslx/libvirt/xml/LibvirtXmlValidatable.java
new file mode 100644
index 0000000..8574cc4
--- /dev/null
+++ b/src/main/java/org/openslx/libvirt/xml/LibvirtXmlValidatable.java
@@ -0,0 +1,18 @@
+package org.openslx.libvirt.xml;
+
+/**
+ * Validatability of Libvirt XML document.
+ * 
+ * @author Manuel Bentele
+ * @version 1.0
+ */
+public abstract interface LibvirtXmlValidatable
+{
+	/**
+	 * Validates the XML document's content and report error if document is not a valid Libvirt XML
+	 * document.
+	 * 
+	 * @throws LibvirtXmlValidationException XML content is not a valid Libvirt XML.
+	 */
+	public void validateXml() throws LibvirtXmlValidationException;
+}
diff --git a/src/main/java/org/openslx/libvirt/xml/LibvirtXmlValidationException.java b/src/main/java/org/openslx/libvirt/xml/LibvirtXmlValidationException.java
new file mode 100644
index 0000000..24e9db7
--- /dev/null
+++ b/src/main/java/org/openslx/libvirt/xml/LibvirtXmlValidationException.java
@@ -0,0 +1,25 @@
+package org.openslx.libvirt.xml;
+
+/**
+ * An exception of an unsuccessful Libvirt XML validation.
+ * 
+ * @author Manuel Bentele
+ * @version 1.0
+ */
+public class LibvirtXmlValidationException extends Exception
+{
+	/**
+	 * Version number for serialization.
+	 */
+	private static final long serialVersionUID = 2299967599483742777L;
+
+	/**
+	 * Creates a validation exception including an error message.
+	 * 
+	 * @param errorMsg message to describe a specific Libvirt XML error.
+	 */
+	public LibvirtXmlValidationException( String errorMsg )
+	{
+		super( errorMsg );
+	}
+}
diff --git a/src/test/java/org/openslx/libvirt/xml/LibvirtXmlDocumentTest.java b/src/test/java/org/openslx/libvirt/xml/LibvirtXmlDocumentTest.java
new file mode 100644
index 0000000..1b6e5a5
--- /dev/null
+++ b/src/test/java/org/openslx/libvirt/xml/LibvirtXmlDocumentTest.java
@@ -0,0 +1,262 @@
+package org.openslx.libvirt.xml;
+
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.fail;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+
+import javax.xml.transform.Source;
+import javax.xml.transform.stream.StreamSource;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.log4j.Level;
+import org.apache.log4j.LogManager;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.function.Executable;
+
+class LibvirtXmlDocumentStub extends LibvirtXmlDocument
+{
+	public LibvirtXmlDocumentStub( File xml )
+			throws LibvirtXmlDocumentException, LibvirtXmlSerializationException, LibvirtXmlValidationException
+	{
+		super( xml );
+	}
+
+	public LibvirtXmlDocumentStub( File xml, Source rngSchema )
+			throws LibvirtXmlDocumentException, LibvirtXmlSerializationException, LibvirtXmlValidationException
+	{
+		super( xml, rngSchema );
+	}
+}
+
+public class LibvirtXmlDocumentTest
+{
+	private static final String EMPTY = new String();
+
+	@BeforeAll
+	public static void setUp()
+	{
+		// disable logging with log4j
+		LogManager.getRootLogger().setLevel( Level.OFF );
+	}
+
+	private LibvirtXmlDocument newLibvirtXmlDocumentInstance( String xmlFileName )
+	{
+		LibvirtXmlDocument document = null;
+
+		try {
+			File xmlFile = LibvirtXmlTestResources.getLibvirtXmlFile( xmlFileName );
+			document = new LibvirtXmlDocumentStub( xmlFile );
+		} catch ( LibvirtXmlDocumentException | LibvirtXmlSerializationException | LibvirtXmlValidationException e ) {
+			String errorMsg = new String( "Cannot prepare requested Libvirt XML file from the resources folder" );
+			fail( errorMsg );
+		}
+
+		return document;
+	}
+
+	private LibvirtXmlDocument newLibvirtXmlDocumentValidationInstance( String xmlFileName, String rngSchemaFileName )
+			throws LibvirtXmlValidationException
+	{
+		LibvirtXmlDocument document = null;
+
+		try {
+			File xmlFile = LibvirtXmlTestResources.getLibvirtXmlFile( xmlFileName );
+			Source rngSchemaSource = new StreamSource( LibvirtXmlResources.getLibvirtRng( rngSchemaFileName ) );
+			document = new LibvirtXmlDocumentStub( xmlFile, rngSchemaSource );
+		} catch ( LibvirtXmlDocumentException | LibvirtXmlSerializationException e ) {
+			String errorMsg = new String( "Cannot prepare requested Libvirt XML file from the resources folder" );
+			fail( errorMsg );
+		}
+
+		return document;
+	}
+
+	@Test
+	@DisplayName( "Read libvirt XML file to String" )
+	public void testReadXmlFileToString() throws LibvirtXmlSerializationException, IOException
+	{
+		LibvirtXmlDocument vm = this.newLibvirtXmlDocumentInstance( "qemu-kvm_default-ubuntu-20-04-vm.xml" );
+		File originalXmlFile = LibvirtXmlTestResources.getLibvirtXmlFile( "qemu-kvm_default-ubuntu-20-04-vm.xml" );
+
+		final String readXmlContent = vm.toXml();
+		final String originalXmlContent = FileUtils.readFileToString( originalXmlFile, StandardCharsets.UTF_8 );
+
+		assertNotNull( readXmlContent );
+
+		final int lengthReadXmlContent = readXmlContent.split( System.lineSeparator() ).length;
+		final int lengthOriginalXmlContent = originalXmlContent.split( System.lineSeparator() ).length;
+
+		assertEquals( lengthOriginalXmlContent, lengthReadXmlContent );
+	}
+
+	@Test
+	@DisplayName( "Read libvirt XML file to file" )
+	public void testReadXmlFileToFile() throws LibvirtXmlSerializationException, IOException
+	{
+		LibvirtXmlDocument vm = this.newLibvirtXmlDocumentInstance( "qemu-kvm_default-ubuntu-20-04-vm.xml" );
+		File originalXmlFile = LibvirtXmlTestResources.getLibvirtXmlFile( "qemu-kvm_default-ubuntu-20-04-vm.xml" );
+		File readXmlFile = LibvirtXmlTestResources.createLibvirtXmlTempFile();
+
+		vm.toXml( readXmlFile );
+
+		final String readXmlContent = FileUtils.readFileToString( readXmlFile, StandardCharsets.UTF_8 );
+		final String originalXmlContent = FileUtils.readFileToString( originalXmlFile, StandardCharsets.UTF_8 );
+
+		assertNotNull( readXmlContent );
+
+		final int lengthReadXmlContent = readXmlContent.split( System.lineSeparator() ).length;
+		final int lengthOriginalXmlContent = originalXmlContent.split( System.lineSeparator() ).length;
+
+		assertEquals( lengthOriginalXmlContent, lengthReadXmlContent );
+	}
+
+	@Test
+	@DisplayName( "Validate correct libvirt XML file" )
+	public void testValidateCorrectXmlFile()
+	{
+		Executable validateXmlDocument = () -> {
+			this.newLibvirtXmlDocumentValidationInstance( "qemu-kvm_default-ubuntu-20-04-vm.xml", "domain.rng" );
+		};
+
+		assertDoesNotThrow( validateXmlDocument );
+	}
+
+	@Test
+	@DisplayName( "Validate incorrect libvirt XML file" )
+	public void testValidateIncorrectXmlFile()
+	{
+		Executable validateXmlDocument = () -> {
+			this.newLibvirtXmlDocumentValidationInstance( "qemu-kvm_default-ubuntu-20-04-vm-invalid.xml", "domain.rng" );
+		};
+
+		assertThrows( LibvirtXmlValidationException.class, validateXmlDocument );
+	}
+
+	@Test
+	@DisplayName( "Get non-existent node from libvirt XML file" )
+	public void testGetNonExistentElement()
+	{
+		LibvirtXmlDocument vm = this.newLibvirtXmlDocumentInstance( "qemu-kvm_default-ubuntu-20-04-vm.xml" );
+		assertNull( vm.getRootXmlNode().getXmlElement( "info" ) );
+	}
+
+	@Test
+	@DisplayName( "Set non-existent node in libvirt XML file" )
+	public void testSetNonExistentElement()
+	{
+		LibvirtXmlDocument vm = this.newLibvirtXmlDocumentInstance( "qemu-kvm_default-ubuntu-20-04-vm.xml" );
+		vm.getRootXmlNode().setXmlElement( "info" );
+		assertNotNull( vm.getRootXmlNode().getXmlElement( "info" ) );
+	}
+
+	@Test
+	@DisplayName( "Get non-existent element's value in libvirt XML file" )
+	public void testGetNonExistentElementValue()
+	{
+		LibvirtXmlDocument vm = this.newLibvirtXmlDocumentInstance( "qemu-kvm_default-ubuntu-20-04-vm.xml" );
+		assertNull( vm.getRootXmlNode().getXmlElementValue( "info" ) );
+	}
+
+	@Test
+	@DisplayName( "Set non-existent element's value in libvirt XML file" )
+	public void testSetNonExistentElementValue()
+	{
+		LibvirtXmlDocument vm = this.newLibvirtXmlDocumentInstance( "qemu-kvm_default-ubuntu-20-04-vm.xml" );
+		vm.getRootXmlNode().setXmlElementValue( "info", "content" );
+		assertEquals( "content", vm.getRootXmlNode().getXmlElementValue( "info" ) );
+	}
+
+	@Test
+	@DisplayName( "Get empty element from libvirt XML file" )
+	public void testGetEmptyElement()
+	{
+		LibvirtXmlDocument vm = this.newLibvirtXmlDocumentInstance( "qemu-kvm_default-ubuntu-20-04-vm.xml" );
+		assertNotNull( vm.getRootXmlNode().getXmlElement( "features/acpi" ) );
+	}
+
+	@Test
+	@DisplayName( "Set empty element in libvirt XML file" )
+	public void testSetEmptyElement()
+	{
+		LibvirtXmlDocument vm = this.newLibvirtXmlDocumentInstance( "qemu-kvm_default-ubuntu-20-04-vm.xml" );
+		vm.getRootXmlNode().setXmlElement( "features/acpi" );
+		assertNotNull( vm.getRootXmlNode().getXmlElement( "features/acpi" ) );
+	}
+
+	@Test
+	@DisplayName( "Get empty element's value from libvirt XML file" )
+	public void testGetEmptyElementValue()
+	{
+		LibvirtXmlDocument vm = this.newLibvirtXmlDocumentInstance( "qemu-kvm_default-ubuntu-20-04-vm.xml" );
+		assertEquals( EMPTY, vm.getRootXmlNode().getXmlElementValue( "features/acpi" ) );
+	}
+
+	@Test
+	@DisplayName( "Set empty element's value in libvirt XML file" )
+	public void testSetEmptyElementValue()
+	{
+		LibvirtXmlDocument vm = this.newLibvirtXmlDocumentInstance( "qemu-kvm_default-ubuntu-20-04-vm.xml" );
+		vm.getRootXmlNode().setXmlElementValue( "features/acpi", "content" );
+		assertEquals( "content", vm.getRootXmlNode().getXmlElementValue( "features/acpi" ) );
+	}
+
+	@Test
+	@DisplayName( "Get non-existent element's attribute value from libvirt XML file" )
+	public void testGetNonExistentElementAttributeValue()
+	{
+		LibvirtXmlDocument vm = this.newLibvirtXmlDocumentInstance( "qemu-kvm_default-ubuntu-20-04-vm.xml" );
+		assertNull( vm.getRootXmlNode().getXmlElementAttributeValue( "info", "test" ) );
+	}
+
+	@Test
+	@DisplayName( "Set non-existent element's attribute value from libvirt XML file" )
+	public void testSetNonExistentElementAttributeValue()
+	{
+		LibvirtXmlDocument vm = this.newLibvirtXmlDocumentInstance( "qemu-kvm_default-ubuntu-20-04-vm.xml" );
+		vm.getRootXmlNode().setXmlElementAttributeValue( "info", "test", "info" );
+		assertEquals( "info", vm.getRootXmlNode().getXmlElementAttributeValue( "info", "test" ) );
+	}
+
+	@Test
+	@DisplayName( "Get element's non-existent attribute value from libvirt XML file" )
+	public void testGetElementNonExistentAttributeValue()
+	{
+		LibvirtXmlDocument vm = this.newLibvirtXmlDocumentInstance( "qemu-kvm_default-ubuntu-20-04-vm.xml" );
+		assertNull( vm.getRootXmlNode().getXmlElementAttributeValue( "features/acpi", "test" ) );
+	}
+
+	@Test
+	@DisplayName( "Set element's non-existent attribute value from libvirt XML file" )
+	public void testSetElementNonExistentAttributeValue()
+	{
+		LibvirtXmlDocument vm = this.newLibvirtXmlDocumentInstance( "qemu-kvm_default-ubuntu-20-04-vm.xml" );
+		vm.getRootXmlNode().setXmlElementAttributeValue( "features/acpi", "test", "info" );
+		assertEquals( "info", vm.getRootXmlNode().getXmlElementAttributeValue( "features/acpi", "test" ) );
+	}
+
+	@Test
+	@DisplayName( "Get element's attribute value from libvirt XML file" )
+	public void testGetElementAttributeValue()
+	{
+		LibvirtXmlDocument vm = this.newLibvirtXmlDocumentInstance( "qemu-kvm_default-ubuntu-20-04-vm.xml" );
+		assertEquals( "partial", vm.getRootXmlNode().getXmlElementAttributeValue( "cpu", "check" ) );
+	}
+
+	@Test
+	@DisplayName( "Set element's attribute value from libvirt XML file" )
+	public void testSetElementAttributeValue()
+	{
+		LibvirtXmlDocument vm = this.newLibvirtXmlDocumentInstance( "qemu-kvm_default-ubuntu-20-04-vm.xml" );
+		vm.getRootXmlNode().setXmlElementAttributeValue( "cpu", "check", "full" );
+		assertEquals( "full", vm.getRootXmlNode().getXmlElementAttributeValue( "cpu", "check" ) );
+	}
+}
diff --git a/src/test/java/org/openslx/libvirt/xml/LibvirtXmlTestResources.java b/src/test/java/org/openslx/libvirt/xml/LibvirtXmlTestResources.java
new file mode 100644
index 0000000..6cc0360
--- /dev/null
+++ b/src/test/java/org/openslx/libvirt/xml/LibvirtXmlTestResources.java
@@ -0,0 +1,29 @@
+package org.openslx.libvirt.xml;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URL;
+
+public final class LibvirtXmlTestResources
+{
+	private static final String LIBVIRT_PREFIX_PATH = File.separator + "libvirt";
+	private static final String LIBVIRT_PREFIX_PATH_XML = LIBVIRT_PREFIX_PATH + File.separator + "xml";
+
+	private static final String LIBVIRT_TEMP_PREFIX = "libvirt-";
+	private static final String LIBVIRT_TEMP_SUFFIX = ".xml";
+
+	public static File getLibvirtXmlFile( String libvirtXmlFileName )
+	{
+		String libvirtXmlPath = LibvirtXmlTestResources.LIBVIRT_PREFIX_PATH_XML + File.separator + libvirtXmlFileName;
+		URL libvirtXml = LibvirtXmlTestResources.class.getResource( libvirtXmlPath );
+		return new File( libvirtXml.getFile() );
+	}
+
+	public static File createLibvirtXmlTempFile() throws IOException
+	{
+		File tempFile = File.createTempFile( LibvirtXmlTestResources.LIBVIRT_TEMP_PREFIX,
+				LibvirtXmlTestResources.LIBVIRT_TEMP_SUFFIX );
+		tempFile.deleteOnExit();
+		return tempFile;
+	}
+}
diff --git a/src/test/resources/libvirt/xml/qemu-kvm_default-archlinux-vm-cdrom.xml b/src/test/resources/libvirt/xml/qemu-kvm_default-archlinux-vm-cdrom.xml
new file mode 100644
index 0000000..617e20b
--- /dev/null
+++ b/src/test/resources/libvirt/xml/qemu-kvm_default-archlinux-vm-cdrom.xml
@@ -0,0 +1,144 @@
+<domain type='kvm'>
+  <name>archlinux</name>
+  <uuid>22bbd81f-b31b-4242-9907-8840844944bf</uuid>
+  <metadata>
+    <libosinfo:libosinfo xmlns:libosinfo="http://libosinfo.org/xmlns/libvirt/domain/1.0">
+      <libosinfo:os id="http://archlinux.org/archlinux/rolling"/>
+    </libosinfo:libosinfo>
+  </metadata>
+  <memory unit='KiB'>4194304</memory>
+  <currentMemory unit='KiB'>4194304</currentMemory>
+  <vcpu placement='static'>2</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc-q35-5.2'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <acpi/>
+    <apic/>
+    <vmport state='off'/>
+  </features>
+  <cpu mode='host-model' check='partial'/>
+  <clock offset='utc'>
+    <timer name='rtc' tickpolicy='catchup'/>
+    <timer name='pit' tickpolicy='delay'/>
+    <timer name='hpet' present='no'/>
+  </clock>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <pm>
+    <suspend-to-mem enabled='no'/>
+    <suspend-to-disk enabled='no'/>
+  </pm>
+  <devices>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
+    <disk type='file' device='disk'>
+      <driver name='qemu' type='qcow2'/>
+      <source file='/var/lib/libvirt/images/archlinux.qcow2'/>
+      <target dev='vda' bus='virtio'/>
+      <address type='pci' domain='0x0000' bus='0x04' slot='0x00' function='0x0'/>
+    </disk>
+    <disk type='file' device='cdrom'>
+      <driver name='qemu' type='raw'/>
+      <source file='/var/lib/libvirt/images/cdrom.qcow2'/>
+      <target dev='hda' bus='ide'/>
+    </disk>
+    <controller type='usb' index='0' model='qemu-xhci' ports='15'>
+      <address type='pci' domain='0x0000' bus='0x02' slot='0x00' function='0x0'/>
+    </controller>
+    <controller type='sata' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1f' function='0x2'/>
+    </controller>
+    <controller type='pci' index='0' model='pcie-root'/>
+    <controller type='virtio-serial' index='0'>
+      <address type='pci' domain='0x0000' bus='0x03' slot='0x00' function='0x0'/>
+    </controller>
+    <controller type='pci' index='1' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='1' port='0x10'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0' multifunction='on'/>
+    </controller>
+    <controller type='pci' index='2' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='2' port='0x11'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x1'/>
+    </controller>
+    <controller type='pci' index='3' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='3' port='0x12'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x2'/>
+    </controller>
+    <controller type='pci' index='4' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='4' port='0x13'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x3'/>
+    </controller>
+    <controller type='pci' index='5' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='5' port='0x14'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x4'/>
+    </controller>
+    <controller type='pci' index='6' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='6' port='0x15'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x5'/>
+    </controller>
+    <controller type='pci' index='7' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='7' port='0x16'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x6'/>
+    </controller>
+    <interface type='network'>
+      <mac address='52:54:00:c1:4e:70'/>
+      <source network='test'/>
+      <model type='virtio'/>
+      <address type='pci' domain='0x0000' bus='0x01' slot='0x00' function='0x0'/>
+    </interface>
+    <serial type='pty'>
+      <target type='isa-serial' port='0'>
+        <model name='isa-serial'/>
+      </target>
+    </serial>
+    <console type='pty'>
+      <target type='serial' port='0'/>
+    </console>
+    <channel type='unix'>
+      <target type='virtio' name='org.qemu.guest_agent.0'/>
+      <address type='virtio-serial' controller='0' bus='0' port='1'/>
+    </channel>
+    <channel type='spicevmc'>
+      <target type='virtio' name='com.redhat.spice.0'/>
+      <address type='virtio-serial' controller='0' bus='0' port='2'/>
+    </channel>
+    <input type='tablet' bus='usb'>
+      <address type='usb' bus='0' port='1'/>
+    </input>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <graphics type='spice' autoport='yes'>
+      <listen type='address'/>
+      <image compression='off'/>
+    </graphics>
+    <sound model='ich9'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1b' function='0x0'/>
+    </sound>
+    <video>
+      <model type='qxl' ram='65536' vram='65536' vgamem='16384' heads='1' primary='yes'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
+    </video>
+    <redirdev bus='usb' type='spicevmc'>
+      <address type='usb' bus='0' port='2'/>
+    </redirdev>
+    <redirdev bus='usb' type='spicevmc'>
+      <address type='usb' bus='0' port='3'/>
+    </redirdev>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x05' slot='0x00' function='0x0'/>
+    </memballoon>
+    <rng model='virtio'>
+      <backend model='random'>/dev/urandom</backend>
+      <address type='pci' domain='0x0000' bus='0x06' slot='0x00' function='0x0'/>
+    </rng>
+  </devices>
+</domain>
diff --git a/src/test/resources/libvirt/xml/qemu-kvm_default-archlinux-vm-floppy.xml b/src/test/resources/libvirt/xml/qemu-kvm_default-archlinux-vm-floppy.xml
new file mode 100644
index 0000000..8a2e316
--- /dev/null
+++ b/src/test/resources/libvirt/xml/qemu-kvm_default-archlinux-vm-floppy.xml
@@ -0,0 +1,145 @@
+<domain type='kvm'>
+  <name>archlinux</name>
+  <uuid>22bbd81f-b31b-4242-9907-8840844944bf</uuid>
+  <metadata>
+    <libosinfo:libosinfo xmlns:libosinfo="http://libosinfo.org/xmlns/libvirt/domain/1.0">
+      <libosinfo:os id="http://archlinux.org/archlinux/rolling"/>
+    </libosinfo:libosinfo>
+  </metadata>
+  <memory unit='KiB'>4194304</memory>
+  <currentMemory unit='KiB'>4194304</currentMemory>
+  <vcpu placement='static'>2</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc-q35-5.2'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <acpi/>
+    <apic/>
+    <vmport state='off'/>
+  </features>
+  <cpu mode='host-model' check='partial'/>
+  <clock offset='utc'>
+    <timer name='rtc' tickpolicy='catchup'/>
+    <timer name='pit' tickpolicy='delay'/>
+    <timer name='hpet' present='no'/>
+  </clock>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <pm>
+    <suspend-to-mem enabled='no'/>
+    <suspend-to-disk enabled='no'/>
+  </pm>
+  <devices>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
+    <disk type='file' device='disk'>
+      <driver name='qemu' type='qcow2'/>
+      <source file='/var/lib/libvirt/images/archlinux.qcow2'/>
+      <target dev='vda' bus='virtio'/>
+      <address type='pci' domain='0x0000' bus='0x04' slot='0x00' function='0x0'/>
+    </disk>
+    <disk type='file' device='floppy'>
+      <driver name='qemu' type='raw'/>
+      <source file='/var/lib/libvirt/images/floppy.qcow2'/>
+      <target dev='fda' bus='fdc'/>
+    </disk>
+    <controller type='usb' index='0' model='qemu-xhci' ports='15'>
+      <address type='pci' domain='0x0000' bus='0x02' slot='0x00' function='0x0'/>
+    </controller>
+    <controller type='sata' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1f' function='0x2'/>
+    </controller>
+    <controller type='pci' index='0' model='pcie-root'/>
+    <controller type='virtio-serial' index='0'>
+      <address type='pci' domain='0x0000' bus='0x03' slot='0x00' function='0x0'/>
+    </controller>
+    <controller type='pci' index='1' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='1' port='0x10'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0' multifunction='on'/>
+    </controller>
+    <controller type='pci' index='2' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='2' port='0x11'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x1'/>
+    </controller>
+    <controller type='pci' index='3' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='3' port='0x12'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x2'/>
+    </controller>
+    <controller type='pci' index='4' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='4' port='0x13'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x3'/>
+    </controller>
+    <controller type='pci' index='5' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='5' port='0x14'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x4'/>
+    </controller>
+    <controller type='pci' index='6' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='6' port='0x15'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x5'/>
+    </controller>
+    <controller type='pci' index='7' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='7' port='0x16'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x6'/>
+    </controller>
+    <interface type='network'>
+      <mac address='52:54:00:c1:4e:70'/>
+      <source network='test'/>
+      <model type='virtio'/>
+      <address type='pci' domain='0x0000' bus='0x01' slot='0x00' function='0x0'/>
+    </interface>
+    <serial type='pty'>
+      <target type='isa-serial' port='0'>
+        <model name='isa-serial'/>
+      </target>
+    </serial>
+    <console type='pty'>
+      <target type='serial' port='0'/>
+    </console>
+    <channel type='unix'>
+      <target type='virtio' name='org.qemu.guest_agent.0'/>
+      <address type='virtio-serial' controller='0' bus='0' port='1'/>
+    </channel>
+    <channel type='spicevmc'>
+      <target type='virtio' name='com.redhat.spice.0'/>
+      <address type='virtio-serial' controller='0' bus='0' port='2'/>
+    </channel>
+    <input type='tablet' bus='usb'>
+      <address type='usb' bus='0' port='1'/>
+    </input>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <graphics type='spice' autoport='yes'>
+      <listen type='address'/>
+      <image compression='off'/>
+    </graphics>
+    <sound model='ich9'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1b' function='0x0'/>
+    </sound>
+    <video>
+      <model type='qxl' ram='65536' vram='65536' vgamem='16384' heads='1' primary='yes'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
+    </video>
+    <redirdev bus='usb' type='spicevmc'>
+      <address type='usb' bus='0' port='2'/>
+    </redirdev>
+    <redirdev bus='usb' type='spicevmc'>
+      <address type='usb' bus='0' port='3'/>
+    </redirdev>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x05' slot='0x00' function='0x0'/>
+    </memballoon>
+    <rng model='virtio'>
+      <backend model='random'>/dev/urandom</backend>
+      <address type='pci' domain='0x0000' bus='0x06' slot='0x00' function='0x0'/>
+    </rng>
+  </devices>
+</domain>
+
diff --git a/src/test/resources/libvirt/xml/qemu-kvm_default-archlinux-vm-no-hdd.xml b/src/test/resources/libvirt/xml/qemu-kvm_default-archlinux-vm-no-hdd.xml
new file mode 100644
index 0000000..9fe998e
--- /dev/null
+++ b/src/test/resources/libvirt/xml/qemu-kvm_default-archlinux-vm-no-hdd.xml
@@ -0,0 +1,134 @@
+<domain type='kvm'>
+  <name>archlinux</name>
+  <uuid>22bbd81f-b31b-4242-9907-8840844944bf</uuid>
+  <metadata>
+    <libosinfo:libosinfo xmlns:libosinfo="http://libosinfo.org/xmlns/libvirt/domain/1.0">
+      <libosinfo:os id="http://archlinux.org/archlinux/rolling"/>
+    </libosinfo:libosinfo>
+  </metadata>
+  <memory unit='KiB'>4194304</memory>
+  <currentMemory unit='KiB'>4194304</currentMemory>
+  <vcpu placement='static'>2</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc-q35-5.2'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <acpi/>
+    <apic/>
+    <vmport state='off'/>
+  </features>
+  <cpu mode='host-model' check='partial'/>
+  <clock offset='utc'>
+    <timer name='rtc' tickpolicy='catchup'/>
+    <timer name='pit' tickpolicy='delay'/>
+    <timer name='hpet' present='no'/>
+  </clock>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <pm>
+    <suspend-to-mem enabled='no'/>
+    <suspend-to-disk enabled='no'/>
+  </pm>
+  <devices>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
+    <controller type='usb' index='0' model='qemu-xhci' ports='15'>
+      <address type='pci' domain='0x0000' bus='0x02' slot='0x00' function='0x0'/>
+    </controller>
+    <controller type='sata' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1f' function='0x2'/>
+    </controller>
+    <controller type='pci' index='0' model='pcie-root'/>
+    <controller type='virtio-serial' index='0'>
+      <address type='pci' domain='0x0000' bus='0x03' slot='0x00' function='0x0'/>
+    </controller>
+    <controller type='pci' index='1' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='1' port='0x10'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0' multifunction='on'/>
+    </controller>
+    <controller type='pci' index='2' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='2' port='0x11'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x1'/>
+    </controller>
+    <controller type='pci' index='3' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='3' port='0x12'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x2'/>
+    </controller>
+    <controller type='pci' index='4' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='4' port='0x13'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x3'/>
+    </controller>
+    <controller type='pci' index='5' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='5' port='0x14'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x4'/>
+    </controller>
+    <controller type='pci' index='6' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='6' port='0x15'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x5'/>
+    </controller>
+    <controller type='pci' index='7' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='7' port='0x16'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x6'/>
+    </controller>
+    <interface type='network'>
+      <mac address='52:54:00:c1:4e:70'/>
+      <source network='test'/>
+      <model type='virtio'/>
+      <address type='pci' domain='0x0000' bus='0x01' slot='0x00' function='0x0'/>
+    </interface>
+    <serial type='pty'>
+      <target type='isa-serial' port='0'>
+        <model name='isa-serial'/>
+      </target>
+    </serial>
+    <console type='pty'>
+      <target type='serial' port='0'/>
+    </console>
+    <channel type='unix'>
+      <target type='virtio' name='org.qemu.guest_agent.0'/>
+      <address type='virtio-serial' controller='0' bus='0' port='1'/>
+    </channel>
+    <channel type='spicevmc'>
+      <target type='virtio' name='com.redhat.spice.0'/>
+      <address type='virtio-serial' controller='0' bus='0' port='2'/>
+    </channel>
+    <input type='tablet' bus='usb'>
+      <address type='usb' bus='0' port='1'/>
+    </input>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <graphics type='spice' autoport='yes'>
+      <listen type='address'/>
+      <image compression='off'/>
+    </graphics>
+    <sound model='ich9'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1b' function='0x0'/>
+    </sound>
+    <video>
+      <model type='qxl' ram='65536' vram='65536' vgamem='16384' heads='1' primary='yes'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
+    </video>
+    <redirdev bus='usb' type='spicevmc'>
+      <address type='usb' bus='0' port='2'/>
+    </redirdev>
+    <redirdev bus='usb' type='spicevmc'>
+      <address type='usb' bus='0' port='3'/>
+    </redirdev>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x05' slot='0x00' function='0x0'/>
+    </memballoon>
+    <rng model='virtio'>
+      <backend model='random'>/dev/urandom</backend>
+      <address type='pci' domain='0x0000' bus='0x06' slot='0x00' function='0x0'/>
+    </rng>
+  </devices>
+</domain>
+
diff --git a/src/test/resources/libvirt/xml/qemu-kvm_default-archlinux-vm-no-nic.xml b/src/test/resources/libvirt/xml/qemu-kvm_default-archlinux-vm-no-nic.xml
new file mode 100644
index 0000000..8c08471
--- /dev/null
+++ b/src/test/resources/libvirt/xml/qemu-kvm_default-archlinux-vm-no-nic.xml
@@ -0,0 +1,134 @@
+<domain type='kvm'>
+  <name>archlinux</name>
+  <uuid>22bbd81f-b31b-4242-9907-8840844944bf</uuid>
+  <metadata>
+    <libosinfo:libosinfo xmlns:libosinfo="http://libosinfo.org/xmlns/libvirt/domain/1.0">
+      <libosinfo:os id="http://archlinux.org/archlinux/rolling"/>
+    </libosinfo:libosinfo>
+  </metadata>
+  <memory unit='KiB'>4194304</memory>
+  <currentMemory unit='KiB'>4194304</currentMemory>
+  <vcpu placement='static'>2</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc-q35-5.2'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <acpi/>
+    <apic/>
+    <vmport state='off'/>
+  </features>
+  <cpu mode='host-model' check='partial'/>
+  <clock offset='utc'>
+    <timer name='rtc' tickpolicy='catchup'/>
+    <timer name='pit' tickpolicy='delay'/>
+    <timer name='hpet' present='no'/>
+  </clock>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <pm>
+    <suspend-to-mem enabled='no'/>
+    <suspend-to-disk enabled='no'/>
+  </pm>
+  <devices>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
+    <disk type='file' device='disk'>
+      <driver name='qemu' type='qcow2'/>
+      <source file='/var/lib/libvirt/images/archlinux.qcow2'/>
+      <target dev='vda' bus='virtio'/>
+      <address type='pci' domain='0x0000' bus='0x04' slot='0x00' function='0x0'/>
+    </disk>
+    <controller type='usb' index='0' model='qemu-xhci' ports='15'>
+      <address type='pci' domain='0x0000' bus='0x02' slot='0x00' function='0x0'/>
+    </controller>
+    <controller type='sata' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1f' function='0x2'/>
+    </controller>
+    <controller type='pci' index='0' model='pcie-root'/>
+    <controller type='virtio-serial' index='0'>
+      <address type='pci' domain='0x0000' bus='0x03' slot='0x00' function='0x0'/>
+    </controller>
+    <controller type='pci' index='1' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='1' port='0x10'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0' multifunction='on'/>
+    </controller>
+    <controller type='pci' index='2' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='2' port='0x11'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x1'/>
+    </controller>
+    <controller type='pci' index='3' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='3' port='0x12'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x2'/>
+    </controller>
+    <controller type='pci' index='4' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='4' port='0x13'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x3'/>
+    </controller>
+    <controller type='pci' index='5' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='5' port='0x14'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x4'/>
+    </controller>
+    <controller type='pci' index='6' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='6' port='0x15'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x5'/>
+    </controller>
+    <controller type='pci' index='7' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='7' port='0x16'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x6'/>
+    </controller>
+    <serial type='pty'>
+      <target type='isa-serial' port='0'>
+        <model name='isa-serial'/>
+      </target>
+    </serial>
+    <console type='pty'>
+      <target type='serial' port='0'/>
+    </console>
+    <channel type='unix'>
+      <target type='virtio' name='org.qemu.guest_agent.0'/>
+      <address type='virtio-serial' controller='0' bus='0' port='1'/>
+    </channel>
+    <channel type='spicevmc'>
+      <target type='virtio' name='com.redhat.spice.0'/>
+      <address type='virtio-serial' controller='0' bus='0' port='2'/>
+    </channel>
+    <input type='tablet' bus='usb'>
+      <address type='usb' bus='0' port='1'/>
+    </input>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <graphics type='spice' autoport='yes'>
+      <listen type='address'/>
+      <image compression='off'/>
+    </graphics>
+    <sound model='ich9'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1b' function='0x0'/>
+    </sound>
+    <video>
+      <model type='qxl' ram='65536' vram='65536' vgamem='16384' heads='1' primary='yes'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
+    </video>
+    <redirdev bus='usb' type='spicevmc'>
+      <address type='usb' bus='0' port='2'/>
+    </redirdev>
+    <redirdev bus='usb' type='spicevmc'>
+      <address type='usb' bus='0' port='3'/>
+    </redirdev>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x05' slot='0x00' function='0x0'/>
+    </memballoon>
+    <rng model='virtio'>
+      <backend model='random'>/dev/urandom</backend>
+      <address type='pci' domain='0x0000' bus='0x06' slot='0x00' function='0x0'/>
+    </rng>
+  </devices>
+</domain>
+
diff --git a/src/test/resources/libvirt/xml/qemu-kvm_default-archlinux-vm-no-sound.xml b/src/test/resources/libvirt/xml/qemu-kvm_default-archlinux-vm-no-sound.xml
new file mode 100644
index 0000000..9e3d612
--- /dev/null
+++ b/src/test/resources/libvirt/xml/qemu-kvm_default-archlinux-vm-no-sound.xml
@@ -0,0 +1,136 @@
+<domain type='kvm'>
+  <name>archlinux</name>
+  <uuid>22bbd81f-b31b-4242-9907-8840844944bf</uuid>
+  <metadata>
+    <libosinfo:libosinfo xmlns:libosinfo="http://libosinfo.org/xmlns/libvirt/domain/1.0">
+      <libosinfo:os id="http://archlinux.org/archlinux/rolling"/>
+    </libosinfo:libosinfo>
+  </metadata>
+  <memory unit='KiB'>4194304</memory>
+  <currentMemory unit='KiB'>4194304</currentMemory>
+  <vcpu placement='static'>2</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc-q35-5.2'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <acpi/>
+    <apic/>
+    <vmport state='off'/>
+  </features>
+  <cpu mode='host-model' check='partial'/>
+  <clock offset='utc'>
+    <timer name='rtc' tickpolicy='catchup'/>
+    <timer name='pit' tickpolicy='delay'/>
+    <timer name='hpet' present='no'/>
+  </clock>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <pm>
+    <suspend-to-mem enabled='no'/>
+    <suspend-to-disk enabled='no'/>
+  </pm>
+  <devices>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
+    <disk type='file' device='disk'>
+      <driver name='qemu' type='qcow2'/>
+      <source file='/var/lib/libvirt/images/archlinux.qcow2'/>
+      <target dev='vda' bus='virtio'/>
+      <address type='pci' domain='0x0000' bus='0x04' slot='0x00' function='0x0'/>
+    </disk>
+    <controller type='usb' index='0' model='qemu-xhci' ports='15'>
+      <address type='pci' domain='0x0000' bus='0x02' slot='0x00' function='0x0'/>
+    </controller>
+    <controller type='sata' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1f' function='0x2'/>
+    </controller>
+    <controller type='pci' index='0' model='pcie-root'/>
+    <controller type='virtio-serial' index='0'>
+      <address type='pci' domain='0x0000' bus='0x03' slot='0x00' function='0x0'/>
+    </controller>
+    <controller type='pci' index='1' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='1' port='0x10'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0' multifunction='on'/>
+    </controller>
+    <controller type='pci' index='2' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='2' port='0x11'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x1'/>
+    </controller>
+    <controller type='pci' index='3' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='3' port='0x12'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x2'/>
+    </controller>
+    <controller type='pci' index='4' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='4' port='0x13'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x3'/>
+    </controller>
+    <controller type='pci' index='5' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='5' port='0x14'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x4'/>
+    </controller>
+    <controller type='pci' index='6' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='6' port='0x15'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x5'/>
+    </controller>
+    <controller type='pci' index='7' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='7' port='0x16'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x6'/>
+    </controller>
+    <interface type='network'>
+      <mac address='52:54:00:c1:4e:70'/>
+      <source network='test'/>
+      <model type='virtio'/>
+      <address type='pci' domain='0x0000' bus='0x01' slot='0x00' function='0x0'/>
+    </interface>
+    <serial type='pty'>
+      <target type='isa-serial' port='0'>
+        <model name='isa-serial'/>
+      </target>
+    </serial>
+    <console type='pty'>
+      <target type='serial' port='0'/>
+    </console>
+    <channel type='unix'>
+      <target type='virtio' name='org.qemu.guest_agent.0'/>
+      <address type='virtio-serial' controller='0' bus='0' port='1'/>
+    </channel>
+    <channel type='spicevmc'>
+      <target type='virtio' name='com.redhat.spice.0'/>
+      <address type='virtio-serial' controller='0' bus='0' port='2'/>
+    </channel>
+    <input type='tablet' bus='usb'>
+      <address type='usb' bus='0' port='1'/>
+    </input>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <graphics type='spice' autoport='yes'>
+      <listen type='address'/>
+      <image compression='off'/>
+    </graphics>
+    <video>
+      <model type='qxl' ram='65536' vram='65536' vgamem='16384' heads='1' primary='yes'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
+    </video>
+    <redirdev bus='usb' type='spicevmc'>
+      <address type='usb' bus='0' port='2'/>
+    </redirdev>
+    <redirdev bus='usb' type='spicevmc'>
+      <address type='usb' bus='0' port='3'/>
+    </redirdev>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x05' slot='0x00' function='0x0'/>
+    </memballoon>
+    <rng model='virtio'>
+      <backend model='random'>/dev/urandom</backend>
+      <address type='pci' domain='0x0000' bus='0x06' slot='0x00' function='0x0'/>
+    </rng>
+  </devices>
+</domain>
diff --git a/src/test/resources/libvirt/xml/qemu-kvm_default-archlinux-vm-no-usb.xml b/src/test/resources/libvirt/xml/qemu-kvm_default-archlinux-vm-no-usb.xml
new file mode 100644
index 0000000..2d50c59
--- /dev/null
+++ b/src/test/resources/libvirt/xml/qemu-kvm_default-archlinux-vm-no-usb.xml
@@ -0,0 +1,127 @@
+<domain type='kvm'>
+  <name>archlinux</name>
+  <uuid>22bbd81f-b31b-4242-9907-8840844944bf</uuid>
+  <metadata>
+    <libosinfo:libosinfo xmlns:libosinfo="http://libosinfo.org/xmlns/libvirt/domain/1.0">
+      <libosinfo:os id="http://archlinux.org/archlinux/rolling"/>
+    </libosinfo:libosinfo>
+  </metadata>
+  <memory unit='KiB'>4194304</memory>
+  <currentMemory unit='KiB'>4194304</currentMemory>
+  <vcpu placement='static'>2</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc-q35-5.2'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <acpi/>
+    <apic/>
+    <vmport state='off'/>
+  </features>
+  <cpu mode='host-model' check='partial'/>
+  <clock offset='utc'>
+    <timer name='rtc' tickpolicy='catchup'/>
+    <timer name='pit' tickpolicy='delay'/>
+    <timer name='hpet' present='no'/>
+  </clock>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <pm>
+    <suspend-to-mem enabled='no'/>
+    <suspend-to-disk enabled='no'/>
+  </pm>
+  <devices>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
+    <disk type='file' device='disk'>
+      <driver name='qemu' type='qcow2'/>
+      <source file='/var/lib/libvirt/images/archlinux.qcow2'/>
+      <target dev='vda' bus='virtio'/>
+      <address type='pci' domain='0x0000' bus='0x04' slot='0x00' function='0x0'/>
+    </disk>
+    <controller type='sata' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1f' function='0x2'/>
+    </controller>
+    <controller type='pci' index='0' model='pcie-root'/>
+    <controller type='virtio-serial' index='0'>
+      <address type='pci' domain='0x0000' bus='0x03' slot='0x00' function='0x0'/>
+    </controller>
+    <controller type='pci' index='1' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='1' port='0x10'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0' multifunction='on'/>
+    </controller>
+    <controller type='pci' index='2' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='2' port='0x11'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x1'/>
+    </controller>
+    <controller type='pci' index='3' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='3' port='0x12'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x2'/>
+    </controller>
+    <controller type='pci' index='4' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='4' port='0x13'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x3'/>
+    </controller>
+    <controller type='pci' index='5' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='5' port='0x14'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x4'/>
+    </controller>
+    <controller type='pci' index='6' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='6' port='0x15'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x5'/>
+    </controller>
+    <controller type='pci' index='7' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='7' port='0x16'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x6'/>
+    </controller>
+    <interface type='network'>
+      <mac address='52:54:00:c1:4e:70'/>
+      <source network='test'/>
+      <model type='virtio'/>
+      <address type='pci' domain='0x0000' bus='0x01' slot='0x00' function='0x0'/>
+    </interface>
+    <serial type='pty'>
+      <target type='isa-serial' port='0'>
+        <model name='isa-serial'/>
+      </target>
+    </serial>
+    <console type='pty'>
+      <target type='serial' port='0'/>
+    </console>
+    <channel type='unix'>
+      <target type='virtio' name='org.qemu.guest_agent.0'/>
+      <address type='virtio-serial' controller='0' bus='0' port='1'/>
+    </channel>
+    <channel type='spicevmc'>
+      <target type='virtio' name='com.redhat.spice.0'/>
+      <address type='virtio-serial' controller='0' bus='0' port='2'/>
+    </channel>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <graphics type='spice' autoport='yes'>
+      <listen type='address'/>
+      <image compression='off'/>
+    </graphics>
+    <sound model='ich9'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1b' function='0x0'/>
+    </sound>
+    <video>
+      <model type='qxl' ram='65536' vram='65536' vgamem='16384' heads='1' primary='yes'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
+    </video>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x05' slot='0x00' function='0x0'/>
+    </memballoon>
+    <rng model='virtio'>
+      <backend model='random'>/dev/urandom</backend>
+      <address type='pci' domain='0x0000' bus='0x06' slot='0x00' function='0x0'/>
+    </rng>
+  </devices>
+</domain>
diff --git a/src/test/resources/libvirt/xml/qemu-kvm_default-archlinux-vm.xml b/src/test/resources/libvirt/xml/qemu-kvm_default-archlinux-vm.xml
new file mode 100644
index 0000000..32c4ae8
--- /dev/null
+++ b/src/test/resources/libvirt/xml/qemu-kvm_default-archlinux-vm.xml
@@ -0,0 +1,140 @@
+<domain type='kvm'>
+  <name>archlinux</name>
+  <uuid>22bbd81f-b31b-4242-9907-8840844944bf</uuid>
+  <metadata>
+    <libosinfo:libosinfo xmlns:libosinfo="http://libosinfo.org/xmlns/libvirt/domain/1.0">
+      <libosinfo:os id="http://archlinux.org/archlinux/rolling"/>
+    </libosinfo:libosinfo>
+  </metadata>
+  <memory unit='KiB'>4194304</memory>
+  <currentMemory unit='KiB'>4194304</currentMemory>
+  <vcpu placement='static'>2</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc-q35-5.2'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <acpi/>
+    <apic/>
+    <vmport state='off'/>
+  </features>
+  <cpu mode='host-model' check='partial'/>
+  <clock offset='utc'>
+    <timer name='rtc' tickpolicy='catchup'/>
+    <timer name='pit' tickpolicy='delay'/>
+    <timer name='hpet' present='no'/>
+  </clock>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <pm>
+    <suspend-to-mem enabled='no'/>
+    <suspend-to-disk enabled='no'/>
+  </pm>
+  <devices>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
+    <disk type='file' device='disk'>
+      <driver name='qemu' type='qcow2'/>
+      <source file='/var/lib/libvirt/images/archlinux.qcow2'/>
+      <target dev='vda' bus='virtio'/>
+      <address type='pci' domain='0x0000' bus='0x04' slot='0x00' function='0x0'/>
+    </disk>
+    <controller type='usb' index='0' model='qemu-xhci' ports='15'>
+      <address type='pci' domain='0x0000' bus='0x02' slot='0x00' function='0x0'/>
+    </controller>
+    <controller type='sata' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1f' function='0x2'/>
+    </controller>
+    <controller type='pci' index='0' model='pcie-root'/>
+    <controller type='virtio-serial' index='0'>
+      <address type='pci' domain='0x0000' bus='0x03' slot='0x00' function='0x0'/>
+    </controller>
+    <controller type='pci' index='1' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='1' port='0x10'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0' multifunction='on'/>
+    </controller>
+    <controller type='pci' index='2' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='2' port='0x11'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x1'/>
+    </controller>
+    <controller type='pci' index='3' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='3' port='0x12'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x2'/>
+    </controller>
+    <controller type='pci' index='4' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='4' port='0x13'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x3'/>
+    </controller>
+    <controller type='pci' index='5' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='5' port='0x14'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x4'/>
+    </controller>
+    <controller type='pci' index='6' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='6' port='0x15'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x5'/>
+    </controller>
+    <controller type='pci' index='7' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='7' port='0x16'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x6'/>
+    </controller>
+    <interface type='network'>
+      <mac address='52:54:00:c1:4e:70'/>
+      <source network='test'/>
+      <model type='virtio'/>
+      <address type='pci' domain='0x0000' bus='0x01' slot='0x00' function='0x0'/>
+    </interface>
+    <serial type='pty'>
+      <target type='isa-serial' port='0'>
+        <model name='isa-serial'/>
+      </target>
+    </serial>
+    <console type='pty'>
+      <target type='serial' port='0'/>
+    </console>
+    <channel type='unix'>
+      <target type='virtio' name='org.qemu.guest_agent.0'/>
+      <address type='virtio-serial' controller='0' bus='0' port='1'/>
+    </channel>
+    <channel type='spicevmc'>
+      <target type='virtio' name='com.redhat.spice.0'/>
+      <address type='virtio-serial' controller='0' bus='0' port='2'/>
+    </channel>
+    <input type='tablet' bus='usb'>
+      <address type='usb' bus='0' port='1'/>
+    </input>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <graphics type='spice' autoport='yes'>
+      <listen type='address'/>
+      <image compression='off'/>
+    </graphics>
+    <sound model='ich9'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1b' function='0x0'/>
+    </sound>
+    <video>
+      <model type='qxl' ram='65536' vram='65536' vgamem='16384' heads='1' primary='yes'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
+    </video>
+    <redirdev bus='usb' type='spicevmc'>
+      <address type='usb' bus='0' port='2'/>
+    </redirdev>
+    <redirdev bus='usb' type='spicevmc'>
+      <address type='usb' bus='0' port='3'/>
+    </redirdev>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x05' slot='0x00' function='0x0'/>
+    </memballoon>
+    <rng model='virtio'>
+      <backend model='random'>/dev/urandom</backend>
+      <address type='pci' domain='0x0000' bus='0x06' slot='0x00' function='0x0'/>
+    </rng>
+  </devices>
+</domain>
+
diff --git a/src/test/resources/libvirt/xml/qemu-kvm_default-ubuntu-20-04-vm-invalid.xml b/src/test/resources/libvirt/xml/qemu-kvm_default-ubuntu-20-04-vm-invalid.xml
new file mode 100644
index 0000000..15f6cff
--- /dev/null
+++ b/src/test/resources/libvirt/xml/qemu-kvm_default-ubuntu-20-04-vm-invalid.xml
@@ -0,0 +1,164 @@
+<domain type='kvm'>
+  <uuid>8dc5433c-0228-49e4-b019-fa2b606aa544</uuid>
+  <title>Ubuntu 20.04</title>
+  <description>Ubuntu 20.04 desktop installation</description>
+  <metadata>
+    <libosinfo:libosinfo xmlns:libosinfo="http://libosinfo.org/xmlns/libvirt/domain/1.0">
+      <libosinfo:os id="http://ubuntu.com/ubuntu/20.04"/>
+    </libosinfo:libosinfo>
+  </metadata>
+  <memory unit='KiB'>4194304</memory>
+  <currentMemory unit='KiB'>4194304</currentMemory>
+  <vcpu placement='static'>2</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc-q35-5.1'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <bwLehrpool>Hello World!</bwLehrpool>
+  <features>
+    <acpi/>
+    <apic/>
+    <vmport state='off'/>
+  </features>
+  <cpu mode='host-model' check='partial'/>
+  <clock offset='utc'>
+    <timer name='rtc' tickpolicy='catchup'/>
+    <timer name='pit' tickpolicy='delay'/>
+    <timer name='hpet' present='no'/>
+  </clock>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <pm>
+    <suspend-to-mem enabled='no'/>
+    <suspend-to-disk enabled='no'/>
+  </pm>
+  <devices>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
+    <disk type='block' device='disk'>
+      <driver name='qemu' type='raw' cache='none' io='native'/>
+      <source dev='/dev/data/ubuntu-20-04.img'/>
+      <target dev='vda' bus='virtio'/>
+      <address type='pci' domain='0x0000' bus='0x03' slot='0x00' function='0x0'/>
+    </disk>
+    <disk type='file' device='cdrom'>
+      <driver name='qemu' type='raw'/>
+      <target dev='sda' bus='sata'/>
+      <readonly/>
+      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+    </disk>
+    <disk type='file' device='floppy'>
+      <driver name='qemu' type='raw'/>
+      <target dev='fda' bus='fdc'/>
+      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+    </disk>
+    <controller type='usb' index='0' model='ich9-ehci1'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1d' function='0x7'/>
+    </controller>
+    <controller type='usb' index='0' model='ich9-uhci1'>
+      <master startport='0'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1d' function='0x0' multifunction='on'/>
+    </controller>
+    <controller type='usb' index='0' model='ich9-uhci2'>
+      <master startport='2'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1d' function='0x1'/>
+    </controller>
+    <controller type='usb' index='0' model='ich9-uhci3'>
+      <master startport='4'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1d' function='0x2'/>
+    </controller>
+    <controller type='sata' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1f' function='0x2'/>
+    </controller>
+    <controller type='pci' index='0' model='pcie-root'/>
+    <controller type='pci' index='1' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='1' port='0x10'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0' multifunction='on'/>
+    </controller>
+    <controller type='pci' index='2' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='2' port='0x11'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x1'/>
+    </controller>
+    <controller type='pci' index='3' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='3' port='0x12'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x2'/>
+    </controller>
+    <controller type='pci' index='4' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='4' port='0x13'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x3'/>
+    </controller>
+    <controller type='pci' index='5' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='5' port='0x14'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x4'/>
+    </controller>
+    <controller type='pci' index='6' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='6' port='0x15'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x5'/>
+    </controller>
+    <controller type='virtio-serial' index='0'>
+      <address type='pci' domain='0x0000' bus='0x02' slot='0x00' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='0' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x06' slot='0x00' function='0x0'/>
+    </controller>
+    <controller type='fdc' index='0'/>
+    <interface type='network'>
+      <mac address='52:54:00:0d:90:0c'/>
+      <source network='default'/>
+      <model type='virtio'/>
+      <address type='pci' domain='0x0000' bus='0x01' slot='0x00' function='0x0'/>
+    </interface>
+    <serial type='pty'>
+      <target type='isa-serial' port='0'>
+        <model name='isa-serial'/>
+      </target>
+    </serial>
+    <console type='pty'>
+      <target type='serial' port='0'/>
+    </console>
+    <channel type='unix'>
+      <target type='virtio' name='org.qemu.guest_agent.0'/>
+      <address type='virtio-serial' controller='0' bus='0' port='1'/>
+    </channel>
+    <channel type='spicevmc'>
+      <target type='virtio' name='com.redhat.spice.0'/>
+      <address type='virtio-serial' controller='0' bus='0' port='2'/>
+    </channel>
+    <input type='tablet' bus='usb'>
+      <address type='usb' bus='0' port='1'/>
+    </input>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <graphics type='spice' autoport='yes'>
+      <listen type='address'/>
+      <image compression='off'/>
+    </graphics>
+    <sound model='ich9'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1b' function='0x0'/>
+    </sound>
+    <video>
+      <model type='qxl' ram='65536' vram='65536' vgamem='16384' heads='1' primary='yes'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
+    </video>
+    <redirdev bus='usb' type='spicevmc'>
+      <address type='usb' bus='0' port='2'/>
+    </redirdev>
+    <redirdev bus='usb' type='spicevmc'>
+      <address type='usb' bus='0' port='3'/>
+    </redirdev>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x04' slot='0x00' function='0x0'/>
+    </memballoon>
+    <rng model='virtio'>
+      <backend model='random'>/dev/urandom</backend>
+      <address type='pci' domain='0x0000' bus='0x05' slot='0x00' function='0x0'/>
+    </rng>
+  </devices>
+</domain>
+
diff --git a/src/test/resources/libvirt/xml/qemu-kvm_default-ubuntu-20-04-vm.xml b/src/test/resources/libvirt/xml/qemu-kvm_default-ubuntu-20-04-vm.xml
new file mode 100644
index 0000000..241a680
--- /dev/null
+++ b/src/test/resources/libvirt/xml/qemu-kvm_default-ubuntu-20-04-vm.xml
@@ -0,0 +1,164 @@
+<domain type='kvm'>
+  <name>ubuntu-20-04</name>
+  <uuid>8dc5433c-0228-49e4-b019-fa2b606aa544</uuid>
+  <title>Ubuntu 20.04</title>
+  <description>Ubuntu 20.04 desktop installation</description>
+  <metadata>
+    <libosinfo:libosinfo xmlns:libosinfo="http://libosinfo.org/xmlns/libvirt/domain/1.0">
+      <libosinfo:os id="http://ubuntu.com/ubuntu/20.04"/>
+    </libosinfo:libosinfo>
+  </metadata>
+  <memory unit='KiB'>4194304</memory>
+  <currentMemory unit='KiB'>4194304</currentMemory>
+  <vcpu placement='static'>2</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc-q35-5.1'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <acpi/>
+    <apic/>
+    <vmport state='off'/>
+  </features>
+  <cpu mode='host-model' check='partial'/>
+  <clock offset='utc'>
+    <timer name='rtc' tickpolicy='catchup'/>
+    <timer name='pit' tickpolicy='delay'/>
+    <timer name='hpet' present='no'/>
+  </clock>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <pm>
+    <suspend-to-mem enabled='no'/>
+    <suspend-to-disk enabled='no'/>
+  </pm>
+  <devices>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
+    <disk type='block' device='disk'>
+      <driver name='qemu' type='raw' cache='none' io='native'/>
+      <source dev='/dev/data/ubuntu-20-04.img'/>
+      <target dev='vda' bus='virtio'/>
+      <address type='pci' domain='0x0000' bus='0x03' slot='0x00' function='0x0'/>
+    </disk>
+    <disk type='file' device='cdrom'>
+      <driver name='qemu' type='raw'/>
+      <target dev='sda' bus='sata'/>
+      <readonly/>
+      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+    </disk>
+    <disk type='file' device='floppy'>
+      <driver name='qemu' type='raw'/>
+      <target dev='fda' bus='fdc'/>
+      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+    </disk>
+    <controller type='usb' index='0' model='ich9-ehci1'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1d' function='0x7'/>
+    </controller>
+    <controller type='usb' index='0' model='ich9-uhci1'>
+      <master startport='0'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1d' function='0x0' multifunction='on'/>
+    </controller>
+    <controller type='usb' index='0' model='ich9-uhci2'>
+      <master startport='2'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1d' function='0x1'/>
+    </controller>
+    <controller type='usb' index='0' model='ich9-uhci3'>
+      <master startport='4'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1d' function='0x2'/>
+    </controller>
+    <controller type='sata' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1f' function='0x2'/>
+    </controller>
+    <controller type='pci' index='0' model='pcie-root'/>
+    <controller type='pci' index='1' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='1' port='0x10'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0' multifunction='on'/>
+    </controller>
+    <controller type='pci' index='2' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='2' port='0x11'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x1'/>
+    </controller>
+    <controller type='pci' index='3' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='3' port='0x12'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x2'/>
+    </controller>
+    <controller type='pci' index='4' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='4' port='0x13'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x3'/>
+    </controller>
+    <controller type='pci' index='5' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='5' port='0x14'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x4'/>
+    </controller>
+    <controller type='pci' index='6' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='6' port='0x15'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x5'/>
+    </controller>
+    <controller type='virtio-serial' index='0'>
+      <address type='pci' domain='0x0000' bus='0x02' slot='0x00' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='0' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x06' slot='0x00' function='0x0'/>
+    </controller>
+    <controller type='fdc' index='0'/>
+    <interface type='network'>
+      <mac address='52:54:00:0d:90:0c'/>
+      <source network='default'/>
+      <model type='virtio'/>
+      <address type='pci' domain='0x0000' bus='0x01' slot='0x00' function='0x0'/>
+    </interface>
+    <serial type='pty'>
+      <target type='isa-serial' port='0'>
+        <model name='isa-serial'/>
+      </target>
+    </serial>
+    <console type='pty'>
+      <target type='serial' port='0'/>
+    </console>
+    <channel type='unix'>
+      <target type='virtio' name='org.qemu.guest_agent.0'/>
+      <address type='virtio-serial' controller='0' bus='0' port='1'/>
+    </channel>
+    <channel type='spicevmc'>
+      <target type='virtio' name='com.redhat.spice.0'/>
+      <address type='virtio-serial' controller='0' bus='0' port='2'/>
+    </channel>
+    <input type='tablet' bus='usb'>
+      <address type='usb' bus='0' port='1'/>
+    </input>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <graphics type='spice' autoport='yes'>
+      <listen type='address'/>
+      <image compression='off'/>
+    </graphics>
+    <sound model='ich9'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1b' function='0x0'/>
+    </sound>
+    <video>
+      <model type='qxl' ram='65536' vram='65536' vgamem='16384' heads='1' primary='yes'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
+    </video>
+    <redirdev bus='usb' type='spicevmc'>
+      <address type='usb' bus='0' port='2'/>
+    </redirdev>
+    <redirdev bus='usb' type='spicevmc'>
+      <address type='usb' bus='0' port='3'/>
+    </redirdev>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x04' slot='0x00' function='0x0'/>
+    </memballoon>
+    <rng model='virtio'>
+      <backend model='random'>/dev/urandom</backend>
+      <address type='pci' domain='0x0000' bus='0x05' slot='0x00' function='0x0'/>
+    </rng>
+  </devices>
+</domain>
+