| 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 | } |