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package org.glassfish.web.deployment.node.runtime.gf;
import com.sun.enterprise.deployment.node.XMLElement;
import com.sun.enterprise.deployment.node.runtime.RuntimeDescriptorNode;
import com.sun.enterprise.deployment.runtime.RuntimeDescriptor;
import com.sun.enterprise.deployment.xml.RuntimeTagNames;
import org.glassfish.web.deployment.runtime.CacheHelper;
import org.glassfish.web.deployment.runtime.WebProperty;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* node for cache-helper tag
*
* @author Jerome Dochez
*/
public class CacheHelperNode extends RuntimeDescriptorNode<CacheHelper> {
public CacheHelperNode() {
registerElementHandler(new XMLElement(RuntimeTagNames.PROPERTY),
WebPropertyNode.class, "addWebProperty");
}
protected CacheHelper descriptor = null;
/**
* @return the descriptor instance to associate with this XMLNode
*/
@Override
public CacheHelper getDescriptor() {
if (descriptor==null) {
descriptor = new CacheHelper();
}
return descriptor;
}
/**
* parsed an attribute of an element
*
* @param elementName the element name
* @param attributeName the attribute name
* @param value the attribute value
* @return true if the attribute was processed
*/
@Override
protected boolean setAttributeValue(XMLElement elementName, XMLElement attributeName, String value) {
RuntimeDescriptor descriptor = getDescriptor();
if (attributeName.getQName().equals(RuntimeTagNames.NAME)) {
descriptor.setAttributeValue(CacheHelper.NAME, value);
return true;
} else
if (attributeName.getQName().equals(RuntimeTagNames.CLASS_NAME)) {
descriptor.setAttributeValue(CacheHelper.CLASS_NAME, value);
return true;
}
return false;
}
/**
* write the descriptor class to a DOM tree and return it
*
* @param parent node for the DOM tree
* @param nodeName node name
* @param descriptor the descriptor to write
* @return the DOM tree top node
*/
@Override
public Node writeDescriptor(Node parent, String nodeName, CacheHelper descriptor) {
Element cacheHelper = (Element) super.writeDescriptor(parent, nodeName, descriptor);
// property*
WebProperty[] properties = descriptor.getWebProperty();
if (properties.length>0) {
WebPropertyNode wpn = new WebPropertyNode();
wpn.writeDescriptor(cacheHelper, RuntimeTagNames.PROPERTY, properties);
}
// name, class-name attribute
setAttribute(cacheHelper, RuntimeTagNames.NAME, (String) descriptor.getAttributeValue(CacheHelper.NAME));
setAttribute(cacheHelper, RuntimeTagNames.CLASS_NAME, (String) descriptor.getAttributeValue(CacheHelper.CLASS_NAME));
return cacheHelper;
}
}