Java Base64 base64Append(StringBuilder sb, int digit, boolean haveNonZero)

Description

base Append

License

Apache License

Declaration

private static boolean base64Append(StringBuilder sb, int digit, boolean haveNonZero) 

Method Source Code

//package com.java2s;
/*//from  ww w  . j  a va 2 s.  c o  m
 * Copyright 2009 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

public class Main {
    /**
     * An array mapping size but values to the characters that will be used to
     * represent them. Note that this is not identical to the set of characters
     * used by MIME-Base64.
     */
    private static final char[] base64Chars = new char[] { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K',
            'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
            'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0',
            '1', '2', '3', '4', '5', '6', '7', '8', '9', '$', '_' };

    private static boolean base64Append(StringBuilder sb, int digit, boolean haveNonZero) {
        if (digit > 0) {
            haveNonZero = true;
        }
        if (haveNonZero) {
            sb.append(base64Chars[digit]);
        }
        return haveNonZero;
    }
}

Related

1. base64(byte[] raw)
2. base64(final byte[] stringArray)
3. Base64(String msg)
4. base64(String string)
5. base64(String value)
6. base64Append(StringBuilder sb, int digit, boolean haveNonZero)
7. base64Character(int number)
8. base64CharToValue(byte c)
9. base64enc(byte[] in)