01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU
07: * General Public License Version 2 only ("GPL") or the Common
08: * Development and Distribution License("CDDL") (collectively, the
09: * "License"). You may not use this file except in compliance with the
10: * License. You can obtain a copy of the License at
11: * http://www.netbeans.org/cddl-gplv2.html
12: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
13: * specific language governing permissions and limitations under the
14: * License. When distributing the software, include this License Header
15: * Notice in each file and include the License file at
16: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
17: * particular file as subject to the "Classpath" exception as provided
18: * by Sun in the GPL Version 2 section of the License file that
19: * accompanied this code. If applicable, add the following below the
20: * License Header, with the fields enclosed by brackets [] replaced by
21: * your own identifying information:
22: * "Portions Copyrighted [year] [name of copyright owner]"
23: *
24: * Contributor(s):
25: *
26: * The Original Software is NetBeans. The Initial Developer of the Original
27: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
28: * Microsystems, Inc. All Rights Reserved.
29: *
30: * If you wish your version of this file to be governed by only the CDDL
31: * or only the GPL Version 2, indicate your decision by adding
32: * "[Contributor] elects to include this software in this distribution
33: * under the [CDDL or GPL Version 2] license." If you do not indicate a
34: * single choice of license, a recipient has the option to distribute
35: * your version of this file under either the CDDL, the GPL Version 2 or
36: * to extend the choice of license to its licensees as provided above.
37: * However, if you add GPL Version 2 code and therefore, elected the GPL
38: * Version 2 license, then the option applies only if the new code is
39: * made subject to such option by the copyright holder.
40: */
41: package org.netbeans.modules.collab.channel.output;
42:
43: import java.io.*;
44:
45: /**
46: * util for encode and decode filecontent
47: *
48: * @author Todd Fast <todd.fast@sun.com>
49: * @version 1.0
50: */
51: public class Base64 {
52: /**
53: *
54: *
55: */
56: private Base64() {
57: super ();
58: }
59:
60: /**
61: * Encodes an array of bytes into a Base64 string, without compression.
62: * Resulting string is uniform with no carriage returns.
63: *
64: * @param bytes binary data to be encoded
65: * @return Base64 encoded string
66: */
67: public static String encode(byte[] bytes) {
68: sun.misc.BASE64Encoder encoder = new sun.misc.BASE64Encoder();
69: String result = encoder.encodeBuffer(bytes);
70:
71: // Since the JavaSoft guys put in a carriage return at 57 bytes,
72: // we need to remove them so we have one long encoded string
73: result = result.replaceAll("\r", "");
74: result = result.replaceAll("\n", "");
75:
76: return result;
77: }
78:
79: /**
80: * Decodes a string using Base64 decoding into an array of bytes
81: * without compression. Strings not previously Base64 encoded will
82: * succeed.
83: *
84: * @param s string to be decoded (assumed to be Base64 encoded string)
85: * @return decoded array of bytes or <code>s.getBytes()</code> on exception during execution
86: */
87: public static byte[] decode(String s) {
88: try {
89: sun.misc.BASE64Decoder decoder = new sun.misc.BASE64Decoder();
90:
91: return decoder.decodeBuffer(s);
92: } catch (IOException e) {
93: e.printStackTrace();
94:
95: // Ignore, use the provided text directly
96: return s.getBytes();
97: }
98: }
99: }
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