KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > netbeans > modules > j2ee > oc4j > nodes > OC4JConnectionPoolsChildren


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19
20 package org.netbeans.modules.j2ee.oc4j.nodes;
21
22 import java.util.Iterator JavaDoc;
23 import java.util.Vector JavaDoc;
24 import javax.management.MBeanServerConnection JavaDoc;
25 import javax.management.ObjectInstance JavaDoc;
26 import javax.management.ObjectName JavaDoc;
27 import org.netbeans.modules.j2ee.oc4j.OC4JDeploymentManager;
28 import org.netbeans.modules.j2ee.oc4j.nodes.actions.Refreshable;
29 import org.openide.nodes.Children;
30 import org.openide.nodes.Node;
31 import org.openide.util.Lookup;
32 import org.openide.util.RequestProcessor;
33
34 /**
35  * It describes children nodes of the Connection Pools node
36  *
37  * @author Michal Mocnak
38  */
39 public class OC4JConnectionPoolsChildren extends Children.Keys implements Refreshable {
40     
41     private Lookup lookup;
42     private final static Node WAIT_NODE = OC4JItemNode.createWaitNode();
43     
44     OC4JConnectionPoolsChildren(Lookup lookup) {
45         this.lookup = lookup;
46     }
47     
48     public void updateKeys(){
49         setKeys(new Object JavaDoc[] {WAIT_NODE});
50         
51         RequestProcessor.getDefault().post(new Runnable JavaDoc() {
52             Vector JavaDoc keys = new Vector JavaDoc();
53             OC4JDeploymentManager dm = lookup.lookup(OC4JDeploymentManager.class);
54             
55             public void run() {
56                 
57                 try {
58                     MBeanServerConnection JavaDoc server = dm.getJMXConnector();
59                     Iterator JavaDoc i = server.queryMBeans(new ObjectName JavaDoc("oc4j:j2eeType=JDBCResource,*"), null).iterator();
60                     
61                     while(i.hasNext()) {
62                         ObjectName JavaDoc elem = ((ObjectInstance JavaDoc) i.next()).getObjectName();
63                         String JavaDoc name = elem.getKeyProperty("name").substring(1, elem.getKeyProperty("name").length()-1);
64                         String JavaDoc url = (String JavaDoc) server.getAttribute(elem, "url");
65                         
66                         Node node = new OC4JItemNode(lookup, Children.LEAF, name, OC4JItemNode.ItemType.CONNECTION_POOLS);
67                         node.setShortDescription(url);
68                         
69                         keys.add(node);
70                     }
71                     
72                 } catch(Exception JavaDoc ex) {
73                     // Nothing to do
74 }
75                 
76                 setKeys(keys);
77             }
78         }, 0);
79     }
80     
81     protected void addNotify() {
82         updateKeys();
83     }
84     
85     protected void removeNotify() {
86         setKeys(java.util.Collections.EMPTY_SET);
87     }
88     
89     protected org.openide.nodes.Node[] createNodes(Object JavaDoc key) {
90         if (key instanceof OC4JItemNode){
91             return new Node[]{(OC4JItemNode)key};
92         }
93         
94         if (key instanceof String JavaDoc && key.equals(WAIT_NODE)){
95             return new Node[]{WAIT_NODE};
96         }
97         
98         return null;
99     }
100 }
Popular Tags