001/**
002 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003 *
004 * Copyright (c) 2007 Sun Microsystems Inc. All Rights Reserved
005 *
006 * The contents of this file are subject to the terms
007 * of the Common Development and Distribution License
008 * (the License). You may not use this file except in
009 * compliance with the License.
010 *
011 * You can obtain a copy of the License at
012 * https://opensso.dev.java.net/public/CDDLv1.0.html or
013 * opensso/legal/CDDLv1.0.txt
014 * See the License for the specific language governing
015 * permission and limitations under the License.
016 *
017 * When distributing Covered Code, include this CDDL
018 * Header Notice in each file and include the License file
019 * at opensso/legal/CDDLv1.0.txt.
020 * If applicable, add the following below the CDDL Header,
021 * with the fields enclosed by brackets [] replaced by
022 * your own identifying information:
023 * "Portions Copyrighted [year] [name of copyright owner]"
024 *
025 * $Id: Base64ToHex.java,v 1.2 2008/06/25 05:47:33 qcheng Exp $
026 *
027 */
028
029package com.sun.identity.saml.common;
030
031import com.sun.identity.shared.encode.Base64;
032
033/**
034 * This class <code>Base64ToHex</code> is used to convert Base64 encoded
035 * SAML source ID to Hex encoded ID.
036 * @supported.all.api
037 */
038
039public class Base64ToHex {
040
041    /**
042     * Returns Hex encoded source ID based on the input Base64 source ID.
043     * <br>Usage: java com.sun.identity.saml.common.Base64ToHex &lt;Base64_encoded_id&gt;<br>
044     * This method will print out Hex encoded source ID to the standard
045     * output.
046     *
047     * @param args Hex encoded source ID.
048     */
049
050    public static void main(String args[]) throws Exception {
051
052        if (args.length != 1 ) {
053            System.out.println("Usage: java Base64ToHex <Base64_encoded_id>");
054            return;
055        } 
056
057        String inputString = args[0];
058        Base64 decoder = new Base64();
059        byte[] byteArray = decoder.decode(inputString);
060        int readBytes = byteArray.length;
061        StringBuffer hexData = new StringBuffer();
062        int onebyte;
063        for (int i=0; i < readBytes; i++) {
064          onebyte = ((0x000000ff & byteArray[i]) | 0xffffff00);
065          hexData.append(Integer.toHexString(onebyte).substring(6));
066        }
067        System.out.println(hexData.toString());
068    }
069}