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Java > Open Source Codes > org > netbeans > modules > db > sql > editor > RepositoryImpl


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.db.sql.editor;
21
22 import org.openide.filesystems.FileSystem;
23 import org.openide.filesystems.FileUtil;
24 import org.openide.filesystems.MultiFileSystem;
25 import org.openide.filesystems.Repository;
26 import org.openide.filesystems.XMLFileSystem;
27 import org.xml.sax.SAXException JavaDoc;
28
29 /**
30  * Repository whose getDefaultFileSystem() returns a writeable FS containing
31  * the layer of the Database Explorer module. It is put in the default lookup,
32  * thus it is returned by Repository.getDefault().
33  *
34  * @author Andrei Badea
35  */
36 public class RepositoryImpl extends Repository {
37     
38     private XMLFileSystem system;
39     
40     public RepositoryImpl() {
41         super(createDefFs());
42     }
43     
44     private static FileSystem createDefFs() {
45         try
46         {
47             FileSystem writeFs = FileUtil.createMemoryFileSystem();
48             FileSystem layerFs = new XMLFileSystem(RepositoryImpl.class.getClassLoader().getResource("org/netbeans/modules/db/resources/mf-layer.xml"));
49             return new MultiFileSystem(new FileSystem[] { writeFs, layerFs });
50         } catch (SAXException JavaDoc e) {
51             return null;
52         }
53     }
54 }
55
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