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Java > Open Source Codes > org > apache > tools > ant > module > bridge > impl > NbAntlib


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.apache.tools.ant.module.bridge.impl;
21
22 import java.io.IOException JavaDoc;
23 import java.net.URL JavaDoc;
24 import org.apache.tools.ant.BuildException;
25 import org.apache.tools.ant.ComponentHelper;
26 import org.apache.tools.ant.Project;
27 import org.apache.tools.ant.UnknownElement;
28 import org.apache.tools.ant.helper.ProjectHelper2;
29 import org.apache.tools.ant.taskdefs.Antlib;
30
31 /**
32  * Antlib subclass used to define custom tasks inside NetBeans.
33  * Needs to be a subclass to access {@link Antlib#setClassLoader}
34  * and {@link Antlib#setURI}.
35  * @author Jesse Glick
36  */

37 public final class NbAntlib extends Antlib {
38     
39     /**
40      * Process antlib.xml definitions.
41      * @param p a project to add definitions to
42      * @param antlib location of antlib.xml to load
43      * @param uri a URI to add definitions in, or null
44      * @param l a class loader to load defined classes from
45      */

46     public static void process(Project p, URL JavaDoc antlib, String JavaDoc uri, ClassLoader JavaDoc l) throws IOException JavaDoc, BuildException {
47         ComponentHelper helper = ComponentHelper.getComponentHelper(p);
48         helper.enterAntLib(uri);
49         Antlib al;
50         try {
51             UnknownElement antlibElement = new ProjectHelper2().parseUnknownElement(p, antlib);
52             al = new NbAntlib(uri, l);
53             al.setProject(p);
54             al.setLocation(antlibElement.getLocation());
55             al.init();
56             antlibElement.configure(al);
57         } finally {
58             helper.exitAntLib();
59         }
60         al.execute();
61     }
62     
63     private NbAntlib(String JavaDoc uri, ClassLoader JavaDoc l) {
64         if (uri != null) {
65             setURI(uri);
66         }
67         setClassLoader(l);
68     }
69     
70 }
71
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