taylor 02/03/29 16:13:31 Added: src/java/org/apache/jetspeed/util Base64.java Log: - utility for Base64 encoding in WebPagePortlet login support - contributed by David Powers Revision Changes Path 1.1 jakarta-jetspeed/src/java/org/apache/jetspeed/util/Base64.java Index: Base64.java =================================================================== /* ==================================================================== * The Apache Software License, Version 1.1 * * Copyright (c) 2000-2001 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, * if any, must include the following acknowledgment: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowledgment may appear in the software itself, * if and wherever such third-party acknowledgments normally appear. * * 4. The names "Apache" and "Apache Software Foundation" and * "Apache Jetspeed" must not be used to endorse or promote products * derived from this software without prior written permission. For * written permission, please contact [EMAIL PROTECTED] * * 5. Products derived from this software may not be called "Apache" or * "Apache Jetspeed", nor may "Apache" appear in their name, without * prior written permission of the Apache Software Foundation. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. */ package org.apache.jetspeed.util; import javax.mail.internet.MimeUtility; import java.io.BufferedReader; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.InputStreamReader; /** * Simple Base64 string decoding function * @author Jason Borden <[EMAIL PROTECTED]> * * This class was copied from the jakarta-james project. * The only change made, besides comments, is the package name. * This class orgininated in org.apache.james.util as version 1.3 * which was committed by darrel on 2002/01/18 02:48:39 * * $Id: Base64.java,v 1.1 2002/03/30 00:13:31 taylor Exp $ * Committed on $Date: 2002/03/30 00:13:31 $ by: $Name: $ */ public class Base64 { public static BufferedReader decode(String b64string) throws Exception { return new BufferedReader( new InputStreamReader( MimeUtility.decode( new ByteArrayInputStream( b64string.getBytes()), "base64"))); } public static String decodeAsString(String b64string) throws Exception { return decode(b64string).readLine().trim(); } public static ByteArrayOutputStream encode(String plaintext) throws Exception { ByteArrayOutputStream out = new ByteArrayOutputStream(); byte[] in = plaintext.getBytes(); ByteArrayOutputStream inStream = new ByteArrayOutputStream(); inStream.write(in, 0, in.length); // pad if ((in.length % 3 ) == 1){ inStream.write(0); inStream.write(0); } else if((in.length % 3 ) == 2){ inStream.write(0); } inStream.writeTo( MimeUtility.encode(out, "base64") ); return out; } public static String encodeAsString(String plaintext) throws Exception { return encode(plaintext).toString(); } }
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