MimeMappingNode.java

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package org.glassfish.web.deployment.node;

import com.sun.enterprise.deployment.node.DeploymentDescriptorNode;
import org.glassfish.web.deployment.descriptor.MimeMappingDescriptor;
import org.glassfish.web.deployment.xml.WebTagNames;
import org.w3c.dom.Node;

import java.util.HashMap;
import java.util.Map;

/**
 * This node is responsible for handling mime-mapping subtree node
 *
 * @author  dochez
 * @version 
 */
public class MimeMappingNode extends DeploymentDescriptorNode<MimeMappingDescriptor> {

    protected MimeMappingDescriptor descriptor = null;

    /**
     * @return the descriptor instance to associate with this XMLNode
     */
    @Override
    public MimeMappingDescriptor getDescriptor() {
        if (descriptor==null) {
            descriptor = new MimeMappingDescriptor();
        }
        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
     */
    @Override
    protected Map<String, String> getDispatchTable() {
        Map<String, String> table = new HashMap<String, String>();
        table.put(WebTagNames.EXTENSION, "setExtension");
        table.put(WebTagNames.MIME_TYPE, "setMimeType");
        return table;
    }    
    /**
     * write the descriptor class to a DOM tree and return it
     *
     * @param parent node in the DOM tree 
     * @param nodeName node name for the root element of this xml fragment
     * @param descriptor the descriptor to write
     * @return the DOM tree top node
     */
    @Override
    public Node writeDescriptor(Node parent, String nodeName, MimeMappingDescriptor descriptor) {     
        Node myNode = appendChild(parent, nodeName);
        appendTextChild(myNode, WebTagNames.EXTENSION, descriptor.getExtension());
        appendTextChild(myNode, WebTagNames.MIME_TYPE, descriptor.getMimeType());
        return myNode;
    }
}