gnu.java.security.util

Class Base64


public class Base64
extends Object

Most of this implementation is from Robert Harder's public domain Base64 code (version 1.4.1 available from <http://iharder.net/xmlizable>).

Method Summary

static byte[]
decode(byte[] src, int off, int len)
Decodes Base64 content in byte array format and returns the decoded byte array.
static byte[]
decode(String s)
Decodes data from Base64 notation.
static String
encode(byte[] src)
Encodes a byte array into Base64 notation.
static String
encode(byte[] src, int off, int len, boolean breakLines)
Encodes a byte array into Base64 notation.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

decode

public static byte[] decode(byte[] src,
                            int off,
                            int len)
Decodes Base64 content in byte array format and returns the decoded byte array.
Parameters:
src - the Base64 encoded data.
off - the offset of where to begin decoding.
len - the length of characters to decode.
Returns:
the decoded data.
Throws:
IllegalArgumentException - if src contains an illegal Base-64 character.

decode

public static final byte[] decode(String s)
            throws UnsupportedEncodingException
Decodes data from Base64 notation.
Parameters:
s - the string to decode.
Returns:
the decoded data.

encode

public static final String encode(byte[] src)
Encodes a byte array into Base64 notation. Equivalent to calling encode(source, 0, source.length).
Parameters:
src - the data to convert.

encode

public static final String encode(byte[] src,
                                  int off,
                                  int len,
                                  boolean breakLines)
Encodes a byte array into Base64 notation.
Parameters:
src - the data to convert.
off - offset in array where conversion should begin.
len - length of data to convert.
breakLines - break lines at 80 characters or less.

Base64.java -- Copyright (C) 2003, 2006 Free Software Foundation, Inc. This file is a part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.