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


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.io.IOException JavaDoc;
32 import java.util.Map JavaDoc;
33
34 public class ConstPath extends Path
35 {
36   private String JavaDoc _scheme = "const";
37   private String JavaDoc _path = "";
38   
39   StreamImpl _stream;
40
41   public ConstPath(Path root, StreamImpl stream)
42   {
43     super(root);
44     _stream = stream;
45   }
46
47   protected Path schemeWalk(String JavaDoc userPath, Map JavaDoc<String JavaDoc,Object JavaDoc> attributes,
48                 String JavaDoc path, int offset)
49   {
50     return this;
51   }
52
53   public String JavaDoc getURL()
54   {
55     return getScheme() + ":" + getPath();
56   }
57
58   public String JavaDoc getScheme()
59   {
60     return _scheme;
61   }
62
63   public void setScheme(String JavaDoc scheme)
64   {
65     _scheme = scheme;
66   }
67
68   public String JavaDoc getPath()
69   {
70     return _path;
71   }
72
73   public void setPath(String JavaDoc path)
74   {
75     _path = path;
76   }
77
78   public boolean exists()
79   {
80     return true;
81   }
82
83   public StreamImpl openReadImpl() throws IOException JavaDoc
84   {
85     return _stream;
86   }
87
88   public StreamImpl openWriteImpl() throws IOException JavaDoc
89   {
90     return _stream;
91   }
92
93   public StreamImpl openReadWriteImpl() throws IOException JavaDoc
94   {
95     return _stream;
96   }
97
98   public StreamImpl openAppendImpl() throws IOException JavaDoc
99   {
100     return _stream;
101   }
102 }
103
104
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