| HexBinary.java |
/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 2001-2003 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 "Axis" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* 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.jboss.axis.types;
import org.jboss.axis.utils.JavaUtils;
import org.jboss.axis.utils.Messages;
import java.io.ByteArrayOutputStream;
/**
* Custom class for supporting primitive XSD data type hexBinary.
*
* @author Davanum Srinivas <dims@yahoo.com>
*/
public class HexBinary
{
byte[] m_value = null;
public HexBinary()
{
}
public HexBinary(String string)
{
m_value = decode(string);
}
public HexBinary(byte[] bytes)
{
m_value = bytes;
}
public HexBinary(Byte[] bytes)
{
m_value = new byte[bytes.length];
for (int i = 0; i < bytes.length; i++)
m_value[i] = bytes[i].byteValue();
}
public byte[] getBytes()
{
return m_value;
}
public String toString()
{
return encode(m_value);
}
public int hashCode()
{
//TODO: How do we hash this?
return super.hashCode();
}
public boolean equals(Object object)
{
//TODO: Is this good enough?
String s1 = object.toString();
String s2 = this.toString();
return s1.equals(s2);
}
public static final String ERROR_ODD_NUMBER_OF_DIGITS =
Messages.getMessage("oddDigits00");
public static final String ERROR_BAD_CHARACTER_IN_HEX_STRING =
Messages.getMessage("badChars01");
// Code from Ajp11, from Apache's JServ
// Table for HEX to DEC byte translation
public static final int[] DEC = {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
00, 01, 02, 03, 04, 05, 06, 07, 8, 9, -1, -1, -1, -1, -1, -1,
-1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
};
/**
* Convert a String of hexadecimal digits into the corresponding
* byte array by encoding each two hexadecimal digits as a byte.
*
* @param digits Hexadecimal digits representation
* @throws IllegalArgumentException if an invalid hexadecimal digit
* is found, or the input string contains an odd number of hexadecimal
* digits
*/
public static byte[] decode(String digits)
{
ByteArrayOutputStream baos = new ByteArrayOutputStream();
for (int i = 0; i < digits.length(); i += 2)
{
char c1 = digits.charAt(i);
if ((i + 1) >= digits.length())
throw new IllegalArgumentException
(ERROR_ODD_NUMBER_OF_DIGITS);
char c2 = digits.charAt(i + 1);
byte b = 0;
if ((c1 >= '0') && (c1 <= '9'))
b += ((c1 - '0') * 16);
else if ((c1 >= 'a') && (c1 <= 'f'))
b += ((c1 - 'a' + 10) * 16);
else if ((c1 >= 'A') && (c1 <= 'F'))
b += ((c1 - 'A' + 10) * 16);
else
throw new IllegalArgumentException
(ERROR_BAD_CHARACTER_IN_HEX_STRING);
if ((c2 >= '0') && (c2 <= '9'))
b += (c2 - '0');
else if ((c2 >= 'a') && (c2 <= 'f'))
b += (c2 - 'a' + 10);
else if ((c2 >= 'A') && (c2 <= 'F'))
b += (c2 - 'A' + 10);
else
throw new IllegalArgumentException
(ERROR_BAD_CHARACTER_IN_HEX_STRING);
baos.write(b);
}
return (baos.toByteArray());
}
/**
* Convert a byte array into a printable format containing a
* String of hexadecimal digit characters (two per byte).
*
* @param bytes Byte array representation
*/
public static String encode(byte bytes[])
{
StringBuffer sb = new StringBuffer(bytes.length * 2);
for (int i = 0; i < bytes.length; i++)
{
sb.append(convertDigit((int)(bytes[i] >> 4)));
sb.append(convertDigit((int)(bytes[i] & 0x0f)));
}
return (sb.toString());
}
/**
* Convert a Byte array into a printable format containing a
* String of hexadecimal digit characters (two per byte).
*
* @param bytes Byte array representation
*/
public static String encode(Byte bytes[])
{
return encode((byte[])JavaUtils.convert(bytes, byte[].class));
}
/**
* Convert 4 hex digits to an int, and return the number of converted
* bytes.
*
* @param hex Byte array containing exactly four hexadecimal digits
* @throws IllegalArgumentException if an invalid hexadecimal digit
* is included
*/
public static int convert2Int(byte[] hex)
{
// Code from Ajp11, from Apache's JServ
// assert b.length==4
// assert valid data
int len;
if (hex.length < 4) return 0;
if (DEC[hex[0]] < 0)
throw new IllegalArgumentException(ERROR_BAD_CHARACTER_IN_HEX_STRING);
len = DEC[hex[0]];
len = len << 4;
if (DEC[hex[1]] < 0)
throw new IllegalArgumentException(ERROR_BAD_CHARACTER_IN_HEX_STRING);
len += DEC[hex[1]];
len = len << 4;
if (DEC[hex[2]] < 0)
throw new IllegalArgumentException(ERROR_BAD_CHARACTER_IN_HEX_STRING);
len += DEC[hex[2]];
len = len << 4;
if (DEC[hex[3]] < 0)
throw new IllegalArgumentException(ERROR_BAD_CHARACTER_IN_HEX_STRING);
len += DEC[hex[3]];
return len;
}
/**
* [Private] Convert the specified value (0 .. 15) to the corresponding
* hexadecimal digit.
*
* @param value Value to be converted
*/
private static char convertDigit(int value)
{
value &= 0x0f;
if (value >= 10)
return ((char)(value - 10 + 'a'));
else
return ((char)(value + '0'));
}
}
| HexBinary.java |