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Java > Open Source Codes > org > netbeans > modules > options > Utils


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.options;
21
22 import java.io.IOException JavaDoc;
23 import java.util.Enumeration JavaDoc;
24 import java.util.HashMap JavaDoc;
25 import java.util.Map JavaDoc;
26 import org.openide.filesystems.FileObject;
27 import org.openide.filesystems.FileSystem;
28 import org.openide.filesystems.Repository;
29 import org.openide.util.Lookup;
30
31 public class Utils {
32
33
34     private static Map JavaDoc<String JavaDoc, FileObject> filesCache = new HashMap JavaDoc<String JavaDoc, FileObject> ();
35     public static FileObject getFileObject (String JavaDoc name, String JavaDoc ext, boolean create)
36     throws IOException JavaDoc {
37         FileObject r = (FileObject) filesCache.get (name + '.' + ext);
38         if (r != null) return r;
39         FileSystem fs = Repository.getDefault ().
40             getDefaultFileSystem ();
41         FileObject rootFolder = fs.getRoot ();
42         FileObject optionsFolder = rootFolder.getFileObject ("Options");
43         if (optionsFolder == null) {
44             if (create)
45                 optionsFolder = rootFolder.createFolder ("Options");
46             else
47                 return null;
48         }
49         FileObject fileObject = optionsFolder.getFileObject (name, ext);
50         if (fileObject == null) {
51             if (create)
52                 fileObject = optionsFolder.createData (name, ext);
53             else
54                 return null;
55         }
56         filesCache.put (name + '.' + ext, fileObject);
57         return fileObject;
58     }
59     
60     public static Enumeration JavaDoc getInputStreams (String JavaDoc name, String JavaDoc ext)
61     throws IOException JavaDoc {
62         ClassLoader JavaDoc classLoader = (ClassLoader JavaDoc) Lookup.getDefault ().
63                 lookup (ClassLoader JavaDoc.class);
64         return classLoader.getResources ("META-INF/options/" + name + "." + ext);
65     }
66 }
67
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