1 | /* |
2 | * Copyright 2006 Sun Microsystems, Inc. All Rights Reserved. |
3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 | * |
5 | * This code is free software; you can redistribute it and/or modify it |
6 | * under the terms of the GNU General Public License version 2 only, as |
7 | * published by the Free Software Foundation. Sun designates this |
8 | * particular file as subject to the "Classpath" exception as provided |
9 | * by Sun in the LICENSE file that accompanied this code. |
10 | * |
11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
14 | * version 2 for more details (a copy is included in the LICENSE file that |
15 | * accompanied this code). |
16 | * |
17 | * You should have received a copy of the GNU General Public License version |
18 | * 2 along with this work; if not, write to the Free Software Foundation, |
19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
20 | * |
21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
23 | * have any questions. |
24 | */ |
25 | |
26 | package javax.tools; |
27 | |
28 | import java.io.IOException; |
29 | import java.io.InputStream; |
30 | import java.io.OutputStream; |
31 | import java.io.Reader; |
32 | import java.io.Writer; |
33 | import java.net.URI; |
34 | |
35 | /** |
36 | * Forwards calls to a given file object. Subclasses of this class |
37 | * might override some of these methods and might also provide |
38 | * additional fields and methods. |
39 | * |
40 | * @param <F> the kind of file object forwarded to by this object |
41 | * @author Peter von der Ahé |
42 | * @since 1.6 |
43 | */ |
44 | public class ForwardingFileObject<F extends FileObject> implements FileObject { |
45 | |
46 | /** |
47 | * The file object which all methods are delegated to. |
48 | */ |
49 | protected final F fileObject; |
50 | |
51 | /** |
52 | * Creates a new instance of ForwardingFileObject. |
53 | * @param fileObject delegate to this file object |
54 | */ |
55 | protected ForwardingFileObject(F fileObject) { |
56 | fileObject.getClass(); // null check |
57 | this.fileObject = fileObject; |
58 | } |
59 | |
60 | public URI toUri() { |
61 | return fileObject.toUri(); |
62 | } |
63 | |
64 | public String getName() { |
65 | return fileObject.getName(); |
66 | } |
67 | |
68 | /** |
69 | * @throws IllegalStateException {@inheritDoc} |
70 | * @throws UnsupportedOperationException {@inheritDoc} |
71 | * @throws IOException {@inheritDoc} |
72 | */ |
73 | public InputStream openInputStream() throws IOException { |
74 | return fileObject.openInputStream(); |
75 | } |
76 | |
77 | /** |
78 | * @throws IllegalStateException {@inheritDoc} |
79 | * @throws UnsupportedOperationException {@inheritDoc} |
80 | * @throws IOException {@inheritDoc} |
81 | */ |
82 | public OutputStream openOutputStream() throws IOException { |
83 | return fileObject.openOutputStream(); |
84 | } |
85 | |
86 | /** |
87 | * @throws IllegalStateException {@inheritDoc} |
88 | * @throws UnsupportedOperationException {@inheritDoc} |
89 | * @throws IOException {@inheritDoc} |
90 | */ |
91 | public Reader openReader(boolean ignoreEncodingErrors) throws IOException { |
92 | return fileObject.openReader(ignoreEncodingErrors); |
93 | } |
94 | |
95 | /** |
96 | * @throws IllegalStateException {@inheritDoc} |
97 | * @throws UnsupportedOperationException {@inheritDoc} |
98 | * @throws IOException {@inheritDoc} |
99 | */ |
100 | public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException { |
101 | return fileObject.getCharContent(ignoreEncodingErrors); |
102 | } |
103 | |
104 | /** |
105 | * @throws IllegalStateException {@inheritDoc} |
106 | * @throws UnsupportedOperationException {@inheritDoc} |
107 | * @throws IOException {@inheritDoc} |
108 | */ |
109 | public Writer openWriter() throws IOException { |
110 | return fileObject.openWriter(); |
111 | } |
112 | |
113 | public long getLastModified() { |
114 | return fileObject.getLastModified(); |
115 | } |
116 | |
117 | public boolean delete() { |
118 | return fileObject.delete(); |
119 | } |
120 | } |