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package com.sun.enterprise.deployment.node.runtime;
import java.util.Map;
import java.util.Iterator;
import java.util.logging.Level;
import org.w3c.dom.Node;
import com.sun.enterprise.deployment.types.EjbReferenceContainer;
import com.sun.enterprise.deployment.types.EjbReference;
import com.sun.enterprise.deployment.Descriptor;
import com.sun.enterprise.deployment.node.XMLElement;
import com.sun.enterprise.deployment.node.DeploymentDescriptorNode;
import com.sun.enterprise.deployment.xml.RuntimeTagNames;
import com.sun.enterprise.deployment.util.DOLUtils;
/**
* This node class is responsible for handling runtime deployment descriptors
* for ejb-ref
*
* @author Jerome Dochez
* @version
*/
public class EjbRefNode extends DeploymentDescriptorNode {
EjbReference descriptor=null;
/**
* @return the descriptor instance to associate with this XMLNode
*/
public Object getDescriptor() {
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(RuntimeTagNames.JNDI_NAME, "setJndiName");
return table;
}
/**
* receives notiification of the value for a particular tag
*
* @param element the xml element
* @param value it's associated value
*/
public void setElementValue(XMLElement element, String value) {
if (RuntimeTagNames.EJB_REFERENCE_NAME.equals(element.getQName())) {
Object parentDesc = getParentNode().getDescriptor();
if (parentDesc instanceof EjbReferenceContainer) {
try {
descriptor = ((EjbReferenceContainer) parentDesc).getEjbReference(value);
DOLUtils.getDefaultLogger().finer("Applying ref runtime to " + descriptor);
} catch (IllegalArgumentException iae) {
DOLUtils.getDefaultLogger().warning(iae.getMessage());
}
}
if (descriptor==null) {
DOLUtils.getDefaultLogger().log(Level.SEVERE, "enterprise.deployment.backend.addDescriptorFailure",
new Object[]{"ejb-ref" , value });
}
} else super.setElementValue(element, value);
}
/**
* write the descriptor class to a DOM tree and return it
*
* @param parent node for the DOM tree
* @param node name for the descriptor
* @param the descriptor to write
* @return the DOM tree top node
*/
public Node writeDescriptor(Node parent, String nodeName, EjbReference ejbRef) {
Node ejbRefNode = appendChild(parent, nodeName);
appendTextChild(ejbRefNode, RuntimeTagNames.EJB_REFERENCE_NAME, ejbRef.getName());
appendTextChild(ejbRefNode, RuntimeTagNames.JNDI_NAME, ejbRef.getJndiName());
return ejbRefNode;
}
/**
* writes all the runtime information for ejb references
*
* @param parent node to add the runtime xml info
* @param the J2EE component containing ejb references
*/
public static void writeEjbReferences(Node parent, EjbReferenceContainer descriptor) {
// ejb-ref*
Iterator ejbRefs = descriptor.getEjbReferenceDescriptors().iterator();
if (ejbRefs.hasNext()) {
EjbRefNode refNode = new EjbRefNode();
while (ejbRefs.hasNext()) {
EjbReference ejbRef = (EjbReference) ejbRefs.next();
if (!ejbRef.isLocal()) {
refNode.writeDescriptor(parent, RuntimeTagNames.EJB_REFERENCE, ejbRef );
}
}
}
}
}