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/*
* ServletNode.java
*
* Created on March 7, 2002, 2:30 PM
*/
package com.sun.enterprise.deployment.node.runtime;
import org.w3c.dom.Node;
import com.sun.enterprise.deployment.WebBundleDescriptor;
import com.sun.enterprise.deployment.WebComponentDescriptor;
import com.sun.enterprise.deployment.WebServicesDescriptor;
import com.sun.enterprise.deployment.node.DeploymentDescriptorNode;
import com.sun.enterprise.deployment.node.XMLElement;
import com.sun.enterprise.deployment.node.runtime.web.WebBundleRuntimeNode;
import com.sun.enterprise.deployment.xml.RuntimeTagNames;
import com.sun.enterprise.deployment.xml.WebServicesTagNames;
/**
* This node is handling all runtime deployment descriptors
* relative to servlets
*
* @author Jerome Dochez
* @version
*/
public class ServletNode extends DeploymentDescriptorNode {
private WebComponentDescriptor descriptor;
public ServletNode() {
registerElementHandler(new XMLElement
(WebServicesTagNames.WEB_SERVICE_ENDPOINT),
WebServiceEndpointRuntimeNode.class);
}
public Object getDescriptor() {
return descriptor;
}
/**
* 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.SERVLET_NAME.equals(element.getQName())) {
Object parentDesc = ((WebBundleRuntimeNode) getParentNode()).getWebBundleDescriptor();
if (parentDesc instanceof WebBundleDescriptor) {
descriptor = ((WebBundleDescriptor) parentDesc).getWebComponentByCanonicalName(value);
}
} else if (RuntimeTagNames.PRINCIPAL_NAME.equals(element.getQName())) {
if (descriptor!=null && descriptor.getRunAsIdentity()!=null) {
descriptor.getRunAsIdentity().setPrincipal(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
* @param the descriptor to write
* @return the DOM tree top node
*/
public Node writeDescriptor(Node parent, String nodeName, WebComponentDescriptor descriptor) {
WebServicesDescriptor webServices =
descriptor.getWebBundleDescriptor().getWebServices();
// only write servlet runtime elements if there is a runas identity
// or the servlet is exposed as a web service
if ( (descriptor.getRunAsIdentity() != null) ||
webServices.hasEndpointsImplementedBy(descriptor) ) {
Node servletNode = appendChild(parent, nodeName);
appendTextChild(servletNode, RuntimeTagNames.SERVLET_NAME, descriptor.getCanonicalName());
if( descriptor.getRunAsIdentity() != null ) {
appendTextChild(servletNode, RuntimeTagNames.PRINCIPAL_NAME,
descriptor.getRunAsIdentity().getPrincipal());
}
WebServiceEndpointRuntimeNode wsRuntime =
new WebServiceEndpointRuntimeNode();
wsRuntime.writeWebServiceEndpointInfo(servletNode, descriptor);
return servletNode;
}
return null;
}
}