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package com.sun.enterprise.deployment.node.runtime.web;
import java.util.Map;
import org.w3c.dom.Node;
import org.w3c.dom.Element;
import com.sun.enterprise.deployment.runtime.RuntimeDescriptor;
import com.sun.enterprise.deployment.runtime.web.ClassLoader;
import com.sun.enterprise.deployment.runtime.web.WebProperty;
import com.sun.enterprise.deployment.xml.RuntimeTagNames;
import com.sun.enterprise.deployment.node.XMLElement;
/**
* node for class-loader tag
*/
public class ClassLoaderNode extends WebRuntimeNode {
public ClassLoaderNode() {
registerElementHandler(new XMLElement(RuntimeTagNames.PROPERTY),
WebPropertyNode.class, "addWebProperty");
}
/**
* parsed an attribute of an element
*
* @param the element name
* @param the attribute name
* @param the attribute value
* @return true if the attribute was processed
*/
protected boolean setAttributeValue(XMLElement elementName,
XMLElement attributeName, String value) {
RuntimeDescriptor descriptor =
(RuntimeDescriptor) getRuntimeDescriptor();
if (descriptor==null) {
throw new RuntimeException(
"Trying to set values on a null descriptor");
}
if (attributeName.getQName().equals(RuntimeTagNames.EXTRA_CLASS_PATH)) {
descriptor.setAttributeValue(ClassLoader.EXTRA_CLASS_PATH, value);
return true;
} else if (attributeName.getQName().equals(RuntimeTagNames.DELEGATE)) {
descriptor.setAttributeValue(ClassLoader.DELEGATE, value);
return true;
} else if (attributeName.getQName().equals(
RuntimeTagNames.DYNAMIC_RELOAD_INTERVAL)) {
descriptor.setAttributeValue(ClassLoader.DYNAMIC_RELOAD_INTERVAL,
value);
return true;
}
return false;
}
/**
* write the descriptor class to a DOM tree and return it
*
* @param parent node for the DOM tree
* @param node name
* @param the descriptor to write
* @return the DOM tree top node
*/
public Node writeDescriptor(Node parent, String nodeName,
ClassLoader descriptor) {
Element classLoader = (Element) super.writeDescriptor(parent,
nodeName, descriptor);
// property*
WebProperty[] properties = descriptor.getWebProperty();
if (properties != null && properties.length > 0) {
WebPropertyNode wpn = new WebPropertyNode();
wpn.writeDescriptor(classLoader, RuntimeTagNames.PROPERTY,
properties);
}
// extra-class-path, delegate, dynamic-reload-interval
setAttribute(classLoader, RuntimeTagNames.EXTRA_CLASS_PATH, (String) descriptor.getAttributeValue(ClassLoader.EXTRA_CLASS_PATH));
setAttribute(classLoader, RuntimeTagNames.DELEGATE, (String) descriptor.getAttributeValue(ClassLoader.DELEGATE));
setAttribute(classLoader, RuntimeTagNames.DYNAMIC_RELOAD_INTERVAL, (String) descriptor.getAttributeValue(ClassLoader.DYNAMIC_RELOAD_INTERVAL));
return classLoader;
}
}