1 //
2 // ========================================================================
3 // Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
4 // ------------------------------------------------------------------------
5 // All rights reserved. This program and the accompanying materials
6 // are made available under the terms of the Eclipse Public License v1.0
7 // and Apache License v2.0 which accompanies this distribution.
8 //
9 // The Eclipse Public License is available at
10 // http://www.eclipse.org/legal/epl-v10.html
11 //
12 // The Apache License v2.0 is available at
13 // http://www.opensource.org/licenses/apache2.0.php
14 //
15 // You may elect to redistribute this code under either of these licenses.
16 // ========================================================================
17 //
18
19 package org.eclipse.jetty.util.resource;
20
21 import java.io.File;
22 import java.io.FileNotFoundException;
23 import java.io.IOException;
24 import java.io.InputStream;
25 import java.io.OutputStream;
26 import java.net.URL;
27
28
29 /* ------------------------------------------------------------ */
30 /** Bad Resource.
31 *
32 * A Resource that is returned for a bade URL. Acts as a resource
33 * that does not exist and throws appropriate exceptions.
34 *
35 *
36 */
37 class BadResource extends URLResource
38 {
39 /* ------------------------------------------------------------ */
40 private String _message=null;
41
42 /* -------------------------------------------------------- */
43 BadResource(URL url, String message)
44 {
45 super(url,null);
46 _message=message;
47 }
48
49
50 /* -------------------------------------------------------- */
51 @Override
52 public boolean exists()
53 {
54 return false;
55 }
56
57 /* -------------------------------------------------------- */
58 @Override
59 public long lastModified()
60 {
61 return -1;
62 }
63
64 /* -------------------------------------------------------- */
65 @Override
66 public boolean isDirectory()
67 {
68 return false;
69 }
70
71 /* --------------------------------------------------------- */
72 @Override
73 public long length()
74 {
75 return -1;
76 }
77
78
79 /* ------------------------------------------------------------ */
80 @Override
81 public File getFile()
82 {
83 return null;
84 }
85
86 /* --------------------------------------------------------- */
87 @Override
88 public InputStream getInputStream() throws IOException
89 {
90 throw new FileNotFoundException(_message);
91 }
92
93 /* --------------------------------------------------------- */
94 @Override
95 public boolean delete()
96 throws SecurityException
97 {
98 throw new SecurityException(_message);
99 }
100
101 /* --------------------------------------------------------- */
102 @Override
103 public boolean renameTo( Resource dest)
104 throws SecurityException
105 {
106 throw new SecurityException(_message);
107 }
108
109 /* --------------------------------------------------------- */
110 @Override
111 public String[] list()
112 {
113 return null;
114 }
115
116 /* ------------------------------------------------------------ */
117 @Override
118 public void copyTo(File destination)
119 throws IOException
120 {
121 throw new SecurityException(_message);
122 }
123
124 /* ------------------------------------------------------------ */
125 @Override
126 public String toString()
127 {
128 return super.toString()+"; BadResource="+_message;
129 }
130
131 }