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package com.sun.enterprise.deployment.node;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import org.w3c.dom.Node;
import com.sun.enterprise.deployment.LifecycleCallbackDescriptor;
import com.sun.enterprise.deployment.Descriptor;
import com.sun.enterprise.deployment.EjbDescriptor;
import com.sun.enterprise.deployment.EjbInterceptor;
import com.sun.enterprise.deployment.ApplicationClientDescriptor;
import com.sun.enterprise.deployment.xml.TagNames;
/**
* This node handles all information relative to injection-complete xml tag
*/
public class LifecycleCallbackNode extends DeploymentDescriptorNode {
private LifecycleCallbackDescriptor descriptor;
/**
* @return the descriptor instance to associate with this XMLNode
*/
public Object getDescriptor() {
if (descriptor==null) {
descriptor = new LifecycleCallbackDescriptor();
Descriptor parentDesc = (Descriptor)getParentNode().getDescriptor();
if (parentDesc instanceof EjbDescriptor) {
EjbDescriptor ejbDesc = (EjbDescriptor)parentDesc;
descriptor.setDefaultLifecycleCallbackClass(
ejbDesc.getEjbClassName());
} else if (parentDesc instanceof EjbInterceptor) {
EjbInterceptor ejbInterceptor =
(EjbInterceptor)parentDesc;
descriptor.setDefaultLifecycleCallbackClass(
ejbInterceptor.getInterceptorClassName());
}
// we set the default lifecycle callback class for appclient
// later in validate since the appclient Main class is not
// available at this point
}
return descriptor;
}
/**
* all sub-implementation of this class can use a dispatch table to map xml element to
* method name on the descriptor class for setting the element value.
*
* @return the map with the element name as a key, the setter method as a value
*/
protected Map getDispatchTable() {
Map table = super.getDispatchTable();
table.put(TagNames.LIFECYCLE_CALLBACK_CLASS,
"setLifecycleCallbackClass");
table.put(TagNames.LIFECYCLE_CALLBACK_METHOD,
"setLifecycleCallbackMethod");
return table;
}
/**
* write the descriptor class to a DOM tree and return it
*
* @param parent node in the DOM tree
* @param node name for the root element of this xml fragment
* @param the descriptor to write
* @return the DOM tree top node
*/
public Node writeDescriptor(Node parent, String nodeName, LifecycleCallbackDescriptor descriptor) {
Node myNode = appendChild(parent, nodeName);
appendTextChild(myNode, TagNames.LIFECYCLE_CALLBACK_CLASS,
descriptor.getLifecycleCallbackClass());
appendTextChild(myNode, TagNames.LIFECYCLE_CALLBACK_METHOD,
descriptor.getLifecycleCallbackMethod());
return myNode;
}
}