Java String Decode decode(String str)

Description

Decode string representation of Base64 encoded bytes.

License

Open Source License

Declaration

public static byte[] decode(String str) 

Method Source Code

//package com.java2s;
/*//from w ww  .  j  a  v a 2s.  c  om
 * This file is part of Pustefix.
 *
 * Pustefix is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Pustefix 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Pustefix; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

import java.io.ByteArrayInputStream;

import java.io.InputStream;

import javax.mail.internet.MimeUtility;

public class Main {
    /**
     * Decode string representation of Base64 encoded bytes.
     */
    public static byte[] decode(String str) {
        try {
            byte[] bytes = str.getBytes("utf8");
            ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
            InputStream is = MimeUtility.decode(bais, "Base64");
            byte[] tmp = new byte[bytes.length];
            int n = is.read(tmp);
            byte[] res = new byte[n];
            System.arraycopy(tmp, 0, res, 0, n);
            return res;
        } catch (Exception x) {
            throw new RuntimeException("Base64 decoding failed", x);
        }
    }
}

Related

1. decode(String s, Class clazz)
2. decode(String s, String charset1, String charset2)
3. decode(String s, String enc, boolean plusToSpace)
4. decode(String s, String encoding)
5. decode(String str)
6. decode(String str, String encoding)
7. decode(String string, String encoding)
8. decode(String text)
9. decode(String value, String encoding)