Glassfish example source code file (WLServletDescriptorNode.java)

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Java - Glassfish tags/keywords

dom, node, node, object, object, runtimedescriptornode, string, string, webbundledescriptor, webcomponentdescriptor, webcomponentdescriptor, wlservletdescriptornode

The Glassfish WLServletDescriptorNode.java source code

/*
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 *
 * Copyright (c) 2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
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 * exception as provided by Oracle in the GPL Version 2 section of the License
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 *
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package com.sun.enterprise.deployment.node.runtime.web;

import com.sun.enterprise.deployment.WebComponentDescriptor;
import com.sun.enterprise.deployment.WebBundleDescriptor;
import com.sun.enterprise.deployment.node.XMLElement;
import com.sun.enterprise.deployment.node.XMLNode;
import com.sun.enterprise.deployment.node.runtime.RuntimeDescriptorNode;
import com.sun.enterprise.deployment.xml.RuntimeTagNames;

import org.w3c.dom.Element;
import org.w3c.dom.Node;

/**
 * This node is responsible for handling weblogic.xml servlet-descriptor.
 *
 * @author  Shing Wai Chan
 */
public class WLServletDescriptorNode extends RuntimeDescriptorNode {
    private WebComponentDescriptor descriptor;

    /**
     * receives notification 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) {
        String name = element.getQName();
        if (name.equals(RuntimeTagNames.SERVLET_NAME)) {
            Object parentDesc = ((WLWebBundleRuntimeNode)getParentNode()).getDescriptor();
            if (parentDesc instanceof WebBundleDescriptor) {
                descriptor = ((WebBundleDescriptor)parentDesc).getWebComponentByCanonicalName(value);
            }
        } else if (name.equals(RuntimeTagNames.RUN_AS_PRINCIPAL_NAME)) {
            if (descriptor != null && descriptor.getRunAsIdentity() != null) {
                descriptor.getRunAsIdentity().setPrincipal(value);
            }
        } else {
            super.setElementValue(element, value);
        }
    }

    public Node writeDescriptor(Element root, WebComponentDescriptor descriptor) {        
        if (descriptor != null && descriptor.getRunAsIdentity() != null) {
            Node servletNode =  appendChild(root, RuntimeTagNames.SERVLET_DESCRIPTOR);
            appendTextChild(servletNode, RuntimeTagNames.SERVLET_NAME, descriptor.getCanonicalName());

            appendTextChild(servletNode, RuntimeTagNames.RUN_AS_PRINCIPAL_NAME, 
                            descriptor.getRunAsIdentity().getPrincipal());

            return servletNode;
        }
        return null;
    }
}