| /* |
| * Copyright 2001-2004 The Apache Software Foundation. |
| * |
| * 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. |
| */ |
| package org.apache.axis.types ; |
| |
| import org.apache.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 extends Object implements java.io.Serializable{ |
| |
| byte[] m_value = null; |
| |
| public HexBinary() { |
| } |
| |
| public HexBinary(String string){ |
| m_value = decode(string); |
| } |
| |
| public HexBinary(byte[] bytes){ |
| m_value = bytes; |
| } |
| |
| 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 |
| * |
| * @exception 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 4 hex digits to an int, and return the number of converted |
| * bytes. |
| * |
| * @param hex Byte array containing exactly four hexadecimal digits |
| * |
| * @exception 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')); |
| |
| } |
| } |