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package com.ericsson.ssa.dd;
import com.sun.org.apache.commons.digester.Digester;
import org.xml.sax.EntityResolver;
import org.xml.sax.SAXException;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
public class SipParser {
private static final String SIP_XML_RULES_FILE = "com/ericsson/ssa/dd/sip-digester-rules.xml";
private static final String SIP_EAS_XML_RULES_FILE = "com/ericsson/ssa/dd/sip-eas-digester-rules.xml";
private SipParser() {
}
/**
* Parses the sip.xml & the sip-eas.xml files from the archive and validates
* the content of the archive according to the deployment descriptor
* specifications.
*
* @param archive
* The archive containing the sip.xml & sip-eas.xml files
* @return The <code>SipApplication</code> object built from the parsing of
* both xml files
* @throws java.io.IOException
* @throws se.ericsson.eas.oam.api.exception.EASModuleDeployException
* @throws org.xml.sax.SAXException
*/
public static SipApplication parse(JarFile archive)
throws IOException, ModuleDeployException, SAXException {
InputStream sipXml = null;
try {
JarEntry sipXmlJarEntry = archive.getJarEntry(SipSpecification.SIP_XML_DESCRIPTOR_NAME);
sipXml = archive.getInputStream(sipXmlJarEntry);
return parse(sipXml);
} finally {
if (sipXml != null) {
sipXml.close();
}
}
}
public static SipApplication parse(InputStream sipXml)
throws IOException, ModuleDeployException, SAXException {
URL sipXmlRules = SipParser.class.getClassLoader()
.getResource(SIP_XML_RULES_FILE);
// Parse the sip.xml file, validate against the dtd, and extract
// its content to build the SipApplication object
Digester digester = new Digester();
// Digester digester = DigesterLoader.createDigester(sipXmlRules);
EntityResolver entityResolver = new SipEntityResolver();
digester.setValidating(false);
digester.setClassLoader(SipParser.class.getClassLoader());
digester.setEntityResolver(entityResolver);
digester.resolveEntity(null, null);
digester.setValidating(false);
SipDeploymentDescriptorRuleSet ruleSet = new SipDeploymentDescriptorRuleSet();
ruleSet.addRuleInstances(digester);
SipApplication sipApplication = (SipApplication) digester.parse(sipXml);
return sipApplication;
}
}