1 /**
2 * This file Copyright (c) 2011 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.jcr.util;
35
36 import java.io.File;
37 import java.io.FileInputStream;
38 import java.io.FileNotFoundException;
39 import java.io.IOException;
40 import java.io.InputStream;
41 import java.io.RandomAccessFile;
42 import javax.jcr.Binary;
43 import javax.jcr.RepositoryException;
44
45 /**
46 * Represents binary data stored in a file on the file system.
47 *
48 * @version $Id$
49 */
50 public class BinaryInFile implements Binary {
51
52 private final File file;
53 private boolean disposed = false;
54
55 public BinaryInFile(File file) {
56 this.file = file;
57 }
58
59 @Override
60 public InputStream getStream() throws RepositoryException {
61 if (disposed) {
62 throw new IllegalStateException("Binary already disposed");
63 }
64 try {
65 return new FileInputStream(file);
66 } catch (FileNotFoundException e) {
67 throw new RepositoryException(e);
68 }
69 }
70
71 @Override
72 public int read(byte[] b, long position) throws IOException, RepositoryException {
73 if (disposed) {
74 throw new IllegalStateException("Binary already disposed");
75 }
76 RandomAccessFile raf = new RandomAccessFile(file, "r");
77 try {
78 raf.seek(position);
79 return raf.read(b);
80 } finally {
81 raf.close();
82 }
83 }
84
85 @Override
86 public long getSize() throws RepositoryException {
87 if (disposed) {
88 throw new IllegalStateException("Binary already disposed");
89 }
90 return file.length();
91 }
92
93 @Override
94 public void dispose() {
95 disposed = true;
96 }
97
98 @Override
99 public String toString() {
100 return "file:" + file.toString();
101 }
102
103 @Override
104 public int hashCode() {
105 return 0;
106 }
107
108 @Override
109 public boolean equals(Object o) {
110 if (this == o) {
111 return true;
112 }
113 if (!(o instanceof BinaryInFile)) {
114 return false;
115 }
116
117 BinaryInFile binary = (BinaryInFile) o;
118
119 return !(file != null ? !file.equals(binary.file) : binary.file != null);
120 }
121 }