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package org.openslx.util.vm;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import javax.xml.XMLConstants;
import javax.xml.transform.stream.StreamSource;
import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory;
import javax.xml.validation.Validator;
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;
import org.xml.sax.SAXException;
/**
* 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 {
LOGGER.debug("Entering OvfConfig class creation");
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!");
LOGGER.debug("DOM creation worked");
init();
}
/**
* Main initialization functions parsing the document created during the
* constructor.
*
* @throws UnsupportedVirtualizerFormatException
*/
private void init() throws UnsupportedVirtualizerFormatException {
LOGGER.debug("Entering OvfConfig init");
if (Util.isEmptyString(getDisplayName())) {
throw new UnsupportedVirtualizerFormatException("Machine doesn't have a name");
}
LOGGER.debug(getDisplayName());
// try {
// setHdds();
// } catch ( XPathExpressionException e ) {
// LOGGER.debug( "Could not initialize VBoxConfig", e );
// return;
// }
}
/**
* 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 "";
}
}
}
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