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Java > Open Source Codes > org > netbeans > modules > j2ee > sun > ide > j2ee > PlatformFactory


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.sun.ide.j2ee;
21
22 import java.io.File JavaDoc;
23 import java.util.WeakHashMap JavaDoc;
24 import org.netbeans.modules.j2ee.deployment.plugins.api.J2eePlatformFactory;
25 import org.netbeans.modules.j2ee.deployment.plugins.api.J2eePlatformImpl;
26 import javax.enterprise.deploy.spi.DeploymentManager JavaDoc;
27 import org.netbeans.modules.j2ee.deployment.plugins.api.InstanceProperties;
28 import org.netbeans.modules.j2ee.sun.api.SunDeploymentManagerInterface;
29
30 /**
31  */
32 public final class PlatformFactory extends J2eePlatformFactory {
33     
34     private static final WeakHashMap JavaDoc<InstanceProperties,PlatformImpl> instanceCache = new WeakHashMap JavaDoc<InstanceProperties,PlatformImpl>();
35     
36     /** Creates a new instance of PlatformFactory */
37     public PlatformFactory() {
38     }
39     
40     public synchronized J2eePlatformImpl getJ2eePlatformImpl(DeploymentManager JavaDoc dm) {
41         // Ensure that for each server instance will be always used the same instance of the J2eePlatformImpl
42 DeploymentManagerProperties dmProps = new DeploymentManagerProperties(dm);
43         InstanceProperties ip = dmProps.getInstanceProperties();
44         File JavaDoc rootDir = ((SunDeploymentManagerInterface)dm).getPlatformRoot();
45         PlatformImpl platform = instanceCache.get(ip);
46         if (platform == null) {
47             platform = new PlatformImpl(rootDir, dmProps);
48             instanceCache.put(ip, platform);
49         }
50         return platform;
51     }
52 }
53
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