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Java > Open Source Codes > com > caucho > vfs > NullPath


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  * Free SoftwareFoundation, Inc.
23  * 59 Temple Place, Suite 330
24  * Boston, MA 02111-1307 USA
25  *
26  * @author Scott Ferguson
27  */
28
29 package com.caucho.vfs;
30
31 import java.util.Map JavaDoc;
32
33 public class NullPath extends Path {
34   private String JavaDoc _url;
35
36   public NullPath(String JavaDoc url)
37   {
38     super(null);
39
40     _url = url;
41     _schemeMap = SchemeMap.getNullSchemeMap();
42   }
43
44   public Path schemeWalk(String JavaDoc userPath, Map JavaDoc<String JavaDoc,Object JavaDoc> attributes,
45                          String JavaDoc path, int offset)
46   {
47     return this;
48   }
49
50   public String JavaDoc getURL()
51   {
52     return _url;
53   }
54
55   public String JavaDoc getScheme()
56   {
57     return "null";
58   }
59
60   public String JavaDoc getPath()
61   {
62     return _url;
63   }
64
65   public Path lookupImpl(String JavaDoc userPath, Map JavaDoc<String JavaDoc,Object JavaDoc> newAttributes)
66   {
67     return this;
68   }
69 }
70
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