1 files changed, 69 insertions, 0 deletions
diff --git a/src/main/java/org/openslx/util/vm/OvfConfig.java b/src/main/java/org/openslx/util/vm/OvfConfig.java
new file mode 100644
index 0000000..4bb597c
--- /dev/null
+++ b/src/main/java/org/openslx/util/vm/OvfConfig.java
@@ -0,0 +1,69 @@
+package org.openslx.util.vm;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+
+import javax.xml.xpath.XPathExpressionException;
+
+import org.apache.log4j.Logger;
+import org.openslx.util.Util;
+import org.openslx.util.XmlHelper;
+import org.openslx.util.vm.VmMetaData.HardDisk;
+import org.w3c.dom.Document;
+
+/**
+ * Class handling the parsing of a .ovf machine description file For now only a
+ * dummy for conversion and will be replaced in the image upload flow after
+ * converting the ovf to vmx.
+ */
+public class OvfConfig
+{
+	private static final Logger LOGGER = Logger.getLogger( OvfConfig.class );
+
+	// key information set during initial parsing of the XML file
+	private String osName = new String();
+	private ArrayList<HardDisk> hddsArray = new ArrayList<HardDisk>();
+
+	// XPath and DOM parsing related members
+	private Document doc = null;
+
+	public OvfConfig( File file ) throws IOException, UnsupportedVirtualizerFormatException
+	{
+		doc = XmlHelper.parseDocumentFromStream( new FileInputStream( file ) );
+		doc = XmlHelper.removeFormattingNodes( doc );
+		if ( doc == null )
+			throw new UnsupportedVirtualizerFormatException(
+					"Could not create DOM from given ovf machine configuration file!" );
+		init();
+	}
+
+	/**
+	 * Main initialization functions parsing the document created during the
+	 * constructor.
+	 * 
+	 * @throws UnsupportedVirtualizerFormatException
+	 */
+	private void init() throws UnsupportedVirtualizerFormatException
+	{
+		if ( Util.isEmptyString( getDisplayName() ) ) {
+			throw new UnsupportedVirtualizerFormatException( "Machine doesn't have a name" );
+		}
+	}
+
+	/**
+	 * Getter for the display name
+	 *
+	 * @return the display name of this VM
+	 */
+	public String getDisplayName()
+	{
+		try {
+			return XmlHelper.XPath.compile( "/Envelope/VirtualSystem/Name" ).evaluate( this.doc );
+		} catch ( XPathExpressionException e ) {
+			return "";
+		}
+	}
+
+}