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package com.sun.enterprise.deployment.node;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.io.IOException;
import java.util.logging.Level;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.DOMImplementation;
import org.w3c.dom.Node;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import com.sun.enterprise.deployment.Descriptor;
import com.sun.enterprise.deployment.Application;
import com.sun.enterprise.deployment.io.DeploymentDescriptorFile;
import com.sun.enterprise.deployment.util.DOLUtils;
/**
* This class is responsible for producing DOM document instances from
* the descriptor classes
*
* @author Jerome Dochez
* @version
*/
public class J2EEDocumentBuilder {
/** Creates new J2EEDocumentBuilder */
public J2EEDocumentBuilder() {
}
/**
* Creates and Return a new DOM document based on the current
* configuration
*
* @return the new DOM Document object
*/
public static Document newDocument() {
try {
// always use system default
System.setProperty("javax.xml.parsers.DocumentBuilderFactory", "com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl");
DocumentBuilderFactory factory =
DocumentBuilderFactory.newInstance();
System.clearProperty("javax.xml.parsers.DocumentBuilderFactory");
DocumentBuilder builder = factory.newDocumentBuilder();
DOMImplementation domImplementation =
builder.getDOMImplementation();
Document document = builder.newDocument();
return document;
} catch (Exception e) {
DOLUtils.getDefaultLogger().log(Level.SEVERE, "enterprise.deployment.backend.saxParserError",
new Object[] {"JAXP configuration error"});
e.printStackTrace();
}
return null;
}
/**
* Return a document containing a result node based
* on the given result descriptor.
*/
public static Document getDocument(Descriptor descriptor, XMLNode node) {
try {
Node domNode = node.writeDescriptor(newDocument(), descriptor);
if (domNode instanceof Document)
return (Document) domNode;
else
return domNode.getOwnerDocument();
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
public static void write (Descriptor descriptor, final RootXMLNode node, final File resultFile) throws Exception {
if (node==null) {
DOLUtils.getDefaultLogger().log(Level.SEVERE, "enterprise.deployment.backend.invalidDescriptorMappingFailure",
new Object[] {descriptor, null});
return;
}
if (resultFile.getParent() != null)
(new File(resultFile.getParent())).mkdirs();
FileOutputStream out = new FileOutputStream(resultFile);
write(descriptor, node, out);
out.close();
}
public static void write (Descriptor descriptor, final RootXMLNode node, final OutputStream os) throws Exception {
Result output = new StreamResult(os);
write(descriptor, node, output);
}
public static void write (Descriptor descriptor, final RootXMLNode node, final Result output)
throws Exception {
if (node==null) {
DOLUtils.getDefaultLogger().log(Level.SEVERE, "enterprise.deployment.backend.invalidDescriptorMappingFailure",
new Object[] {descriptor, null});
return;
}
try {
Document document = getDocument(descriptor, node);
Source source = new DOMSource(document);
System.setProperty("javax.xml.transform.TransformerFactory", "com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl");
TransformerFactory factory = TransformerFactory.newInstance();
System.clearProperty("javax.xml.transform.TransformerFactory");
Transformer transformer = factory.newTransformer();
setTransformerProperties(node, transformer);
transformer.transform(source, output);
} catch(Exception e) {
e.printStackTrace();
throw e;
}
}
private static void setTransformerProperties (RootXMLNode node, Transformer transformer) {
if (node.getDocType()!=null) {
transformer.setOutputProperty(
OutputKeys.DOCTYPE_PUBLIC, node.getDocType());
if (node.getSystemID()!=null) {
transformer.setOutputProperty(
OutputKeys.DOCTYPE_SYSTEM, node.getSystemID());
}
}
transformer.setOutputProperty(OutputKeys.METHOD, "xml");
transformer.setOutputProperty(OutputKeys.INDENT, "yes");
transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
}
public static String descriptorToString(Descriptor descriptor, final DeploymentDescriptorFile ddFile)
throws Exception {
java.io.StringWriter sw = new java.io.StringWriter();
StreamResult sr = new StreamResult(sw);
if (descriptor != null) {
write(descriptor, ddFile.getRootXMLNode(descriptor), sr);
}
return sw.toString();
}
}
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