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package com.sun.enterprise.deployment.node;
import java.util.Map;
import org.w3c.dom.Node;
import com.sun.enterprise.deployment.Descriptor;
import com.sun.enterprise.deployment.EnvironmentProperty;
import com.sun.enterprise.deployment.InjectionTarget;
import com.sun.enterprise.deployment.types.EjbReference;
import com.sun.enterprise.deployment.xml.EjbTagNames;
import com.sun.enterprise.deployment.xml.TagNames;
/**
* This class handles all information in the ejb-reference xml node
*
* @author Jerome Dochez
* @version
*/
public class EjbReferenceNode extends DeploymentDescriptorNode {
protected EjbReference descriptor;
public EjbReferenceNode() {
super();
registerElementHandler(new XMLElement(TagNames.INJECTION_TARGET),
InjectionTargetNode.class, "addInjectionTarget");
}
/**
* @return the descriptor instance to associate with this XMLNode
*/
public Object getDescriptor() {
if (descriptor==null) {
descriptor = (EjbReference) DescriptorFactory.getDescriptor(getXMLPath());
descriptor.setLocal(false);
}
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(EjbTagNames.EJB_REFERENCE_NAME, "setName");
table.put(EjbTagNames.EJB_REFERENCE_TYPE, "setType");
table.put(EjbTagNames.HOME, "setEjbHomeInterface");
table.put(EjbTagNames.REMOTE, "setEjbInterface");
table.put(EjbTagNames.LOCAL_HOME, "setEjbHomeInterface");
table.put(EjbTagNames.LOCAL, "setEjbInterface");
table.put(EjbTagNames.EJB_LINK, "setLinkName");
table.put(TagNames.MAPPED_NAME, "setMappedName");
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, EjbReference descriptor) {
Node ejbRefNode = appendChild(parent, nodeName);
if (descriptor instanceof Descriptor) {
Descriptor ejbRefDesc = (Descriptor)descriptor;
writeLocalizedDescriptions(ejbRefNode, ejbRefDesc);
}
appendTextChild(ejbRefNode, EjbTagNames.EJB_REFERENCE_NAME, descriptor.getName());
appendTextChild(ejbRefNode, EjbTagNames.EJB_REFERENCE_TYPE, descriptor.getType());
if (descriptor.isLocal()) {
appendTextChild(ejbRefNode, EjbTagNames.LOCAL_HOME, descriptor.getEjbHomeInterface());
appendTextChild(ejbRefNode, EjbTagNames.LOCAL, descriptor.getEjbInterface());
} else {
appendTextChild(ejbRefNode, EjbTagNames.HOME, descriptor.getEjbHomeInterface());
appendTextChild(ejbRefNode, EjbTagNames.REMOTE, descriptor.getEjbInterface());
}
appendTextChild(ejbRefNode, EjbTagNames.EJB_LINK, descriptor.getLinkName());
if( descriptor instanceof EnvironmentProperty) {
EnvironmentProperty envProp = (EnvironmentProperty)descriptor;
appendTextChild(ejbRefNode, TagNames.MAPPED_NAME, envProp.getMappedName());
}
if( descriptor.isInjectable() ) {
InjectionTargetNode ijNode = new InjectionTargetNode();
for (InjectionTarget target : descriptor.getInjectionTargets()) {
ijNode.writeDescriptor(ejbRefNode, TagNames.INJECTION_TARGET, target);
}
}
return ejbRefNode;
}
}