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


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  *
23  * Free Software Foundation, Inc.
24  * 59 Temple Place, Suite 330
25  * Boston, MA 02111-1307 USA
26  *
27  * @author Scott Ferguson
28  */
29
30 package com.caucho.vfs;
31
32 import java.io.IOException JavaDoc;
33 import java.util.Map JavaDoc;
34 import java.util.logging.Logger JavaDoc;
35
36 /**
37  * Logs usage of the path.
38  */
39 public class SpyPath extends PathWrapper {
40   protected final static Logger JavaDoc log
41     = Logger.getLogger(SpyPath.class.getName());
42
43   /**
44    * Creates a new Path object.
45    *
46    * @param root the new Path root.
47    */
48   public SpyPath(Path path)
49   {
50     super(path);
51   }
52
53   /**
54    * Returns a new path relative to the current one.
55    *
56    * <p>Path only handles scheme:xxx. Subclasses of Path will specialize
57    * the xxx.
58    *
59    * @param userPath relative or absolute path, essentially any url.
60    * @param newAttributes attributes for the new path.
61    *
62    * @return the new path or null if the scheme doesn't exist
63    */
64    public Path lookup(String JavaDoc userPath, Map JavaDoc<String JavaDoc,Object JavaDoc> newAttributes)
65    {
66      return new SpyPath(super.lookup(userPath, newAttributes));
67    }
68
69   /**
70    * Opens a random-access stream.
71    */
72   public RandomAccessStream openRandomAccess() throws IOException JavaDoc
73   {
74     return new SpyRandomAccessStream(getWrappedPath().openRandomAccess());
75   }
76 }
77
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