alvinalexander.com | career | drupal | java | mac | mysql | perl | scala | uml | unix  

What this is

This file is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Other links

The source code

/*
 *                 Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 *
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2000 Sun
 * Microsystems, Inc. All Rights Reserved.
 */
/*
 * InstanceTargetNode.java
 *
 * Created on December 7, 2003, 9:11 PM
 */

package org.netbeans.modules.j2ee.deployment.impl.ui;

import org.netbeans.modules.j2ee.deployment.impl.ui.actions.SetAsDefaultServerAction;
import org.netbeans.modules.j2ee.deployment.impl.ServerInstance;
import org.netbeans.modules.j2ee.deployment.impl.ServerTarget;
import org.openide.util.HelpCtx;
import org.openide.nodes.Children;
import org.openide.nodes.Node;
import org.openide.util.actions.SystemAction;

/**
 * A node for an admin instance that is also a target server.
 *
 * @author  nn136682
 */
public class InstanceTargetNode extends InstanceNode {
    ServerTarget instanceTarget;
    TargetNode delegateTargetNode;
    
    /** Creates a new instance of InstanceTargetNode */
    public InstanceTargetNode(ServerInstance instance) {
        super(instance);
        this.setChildren(new InstanceTargetChildren(instance));
    }
    
    private ServerTarget getServerTarget() {
        if (instanceTarget != null) return instanceTarget;
        instanceTarget = instance.getCoTarget();
        return instanceTarget;
    }
    
    private TargetNode getDelegateTargetNode() {
        if (delegateTargetNode != null) return delegateTargetNode;
        ServerTarget st = getServerTarget();
        if (st == null) return null;
        delegateTargetNode = new TargetNode(st);
        return delegateTargetNode;
    }
    
    
    public static class InstanceTargetChildren extends TargetNode.TargetChildren {
        ServerInstance instance;
        public InstanceTargetChildren(ServerInstance instance) {
            this.instance = instance;
        }
        protected void addNotify() {
            updateKeys();
        }
        public void updateKeys() {
            if (isFurtherExpandable()) {
                target = instance.getCoTarget();
                if (target == null)
                    setKeys(java.util.Collections.EMPTY_SET);
                else
                    setKeys(TargetNode.getMQueries(target));
            } else {
                setKeys(java.util.Collections.EMPTY_SET);
            }
        }
        protected org.openide.nodes.Node[] createNodes(Object obj) {
            TargetNode.MQueries queries = (TargetNode.MQueries) obj;
            if (target == null) target = instance.getCoTarget();
            org.openide.nodes.Node childNode = new MFolderNode(target, queries.queries, queries.name);
            return new org.openide.nodes.Node[] { childNode };
        }
        private boolean isFurtherExpandable() {
            ServerRegistryNode root = ServerRegistryNode.getServerRegistryNode();
            if (root != null) 
                return root.isExpandablePassTargetNode();

            return true;
        }
    }
    
    public javax.swing.Action[] getActions(boolean context) {
        java.util.List l = java.util.Arrays.asList(super.getActions(context));
        java.util.List actions = new java.util.ArrayList(l);
        if (instance.isRunning()) {
            actions.addAll(java.util.Arrays.asList(getDelegateTargetNode().getActions(context)));
        } else {
            actions.add(SystemAction.get(SetAsDefaultServerAction.class));
        }
        
        return (javax.swing.Action[]) actions.toArray(new javax.swing.Action[actions.size()]);
    }
    
    public org.openide.nodes.Sheet createSheet() {
        if (! instance.isRunning() && instance.getStartServer().needsStartForAdminConfig() )
            return org.openide.nodes.Sheet.createDefault();
        return getDelegateTargetNode().createSheet();
    }
    
    public HelpCtx getHelpCtx() {
        return HelpCtx.DEFAULT_HELP; //PENDING
    }
    
    public org.openide.nodes.Node.Cookie getCookie(Class type) {
        TargetNode tn = getDelegateTargetNode();
        org.openide.nodes.Node.Cookie c = null;
        if (tn != null)
            c = tn.getCookie(type);
        if (c == null)
            c = super.getCookie(type);
        return c;
    }
    
    public void handleRefresh() {
        Children old = getChildren();
        Children replacing = new InstanceTargetChildren(instance);
        //PENDING: traverse old subtree to remove listener.
        setChildren(replacing);
    }
    
}

... this post is sponsored by my books ...

#1 New Release!

FP Best Seller

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.