Converts a byte array into a hexadecimal string : Byte Array « File « Java Tutorial






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 * list of conditions and the following disclaimer.
 *
 * 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.
 *
 * Neither the name of the HSQL Development Group nor the names of its
 * contributors may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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/**
 * Collection of static methods for converting strings between different formats
 * and to and from byte arrays.
 * 
 * 
 * Includes some methods based on Hypersonic code as indicated.
 * 
 * @author Thomas Mueller (Hypersonic SQL Group)
 * @author Fred Toussi (fredt@users dot sourceforge.net)
 * @version 1.9.0
 * @since 1.7.2
 */
public class Main {

  private static final byte[] HEXBYTES = { (byte) '0', (byte) '1', (byte) '2', (byte) '3',
      (byte) '4', (byte) '5', (byte) '6', (byte) '7', (byte) '8', (byte) '9', (byte) 'a',
      (byte) 'b', (byte) 'c', (byte) 'd', (byte) 'e', (byte) 'f' };

  /**
   * Converts a byte array into a hexadecimal string
   * 
   * 
   * @param b
   *          byte array
   * 
   * @return hex string
   */
  public static String byteArrayToHexString(byte[] b) {

    int len = b.length;
    char[] s = new char[len * 2];

    for (int i = 0, j = 0; i < len; i++) {
      int c = ((int) b[i]) & 0xff;

      s[j++] = (char) HEXBYTES[c >> 4 & 0xf];
      s[j++] = (char) HEXBYTES[c & 0xf];
    }

    return new String(s);
  }
}








11.77.Byte Array
11.77.1.Load file to byte array
11.77.2.Load File as byte array
11.77.3.Convert Byte array to Int
11.77.4.Gets an array of bytes corresponding to the given object
11.77.5.Convert byte array to string
11.77.6.An optimized reader for reading byte streams that only contain 7-bit ASCII characters.
11.77.7.Convert a base16 string into a byte array.
11.77.8.Convert a byte array to a human-readable String for debugging purposes.
11.77.9.Convert the bytes within the specified range of the given byte array into a String
11.77.10.Convert the bytes within the specified range of the given byte array into a signed integer in the given radix
11.77.11.Converts a byte array into a hexadecimal string
11.77.12.Converts a byte array into hexadecimal characters which are written as ASCII to the given output stream.
11.77.13.Decode hex string to a byte array
11.77.14.Encode a byte array to hex string
11.77.15.Get bytes from InputStream
11.77.16.Read and return the entire contents of the supplied file.
11.77.17.Reads bytes available from one InputStream and returns these bytes in a byte array.
11.77.18.Return the specified class. Checks the ThreadContext classloader first, then uses the System classloader.
11.77.19.Translates between byte arrays and strings of "0"s and "1"s.