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src/share/jaxws_classes/com/sun/xml/internal/fastinfoset/algorithm/HexadecimalEncodingAlgorithm.java@9c07ef4934dd (annotated)

src/share/jaxws_classes/com/sun/xml/internal/fastinfoset/algorithm/HexadecimalEncodingAlgorithm.java

Thu, 31 Aug 2017 15:18:52 +0800

author

aoqi

date

Thu, 31 Aug 2017 15:18:52 +0800

changeset 637

9c07ef4934dd

parent 384

8f2986ff0235

parent 0

373ffda63c9a

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation. Oracle designates this
aoqi@0	8	* particular file as subject to the "Classpath" exception as provided
aoqi@0	9	* by Oracle in the LICENSE file that accompanied this code.
aoqi@0	10	*
aoqi@0	11	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	14	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	15	* accompanied this code).
aoqi@0	16	*
aoqi@0	17	* You should have received a copy of the GNU General Public License version
aoqi@0	18	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	19	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	20	*
aoqi@0	21	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	22	* or visit www.oracle.com if you need additional information or have any
aoqi@0	23	* questions.
aoqi@0	24	*
aoqi@0	25	* THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC.
aoqi@0	26	*/
aoqi@0	27
aoqi@0	28	package com.sun.xml.internal.fastinfoset.algorithm;
aoqi@0	29
aoqi@0	30	import java.io.IOException;
aoqi@0	31	import java.io.InputStream;
aoqi@0	32	import java.io.OutputStream;
aoqi@0	33	import com.sun.xml.internal.org.jvnet.fastinfoset.EncodingAlgorithmException;
aoqi@0	34	import com.sun.xml.internal.fastinfoset.CommonResourceBundle;
aoqi@0	35
aoqi@0	36	public class HexadecimalEncodingAlgorithm extends BuiltInEncodingAlgorithm {
aoqi@0	37	private static final char NIBBLE_TO_HEXADECIMAL_TABLE[] =
aoqi@0	38	{ '0','1','2','3','4','5','6','7',
aoqi@0	39	'8','9','A','B','C','D','E','F' };
aoqi@0	40
aoqi@0	41	private static final int HEXADECIMAL_TO_NIBBLE_TABLE[] = {
aoqi@0	42	/*'0'*/ 0,
aoqi@0	43	/*'1'*/ 1,
aoqi@0	44	/*'2'*/ 2,
aoqi@0	45	/*'3'*/ 3,
aoqi@0	46	/*'4'*/ 4,
aoqi@0	47	/*'5'*/ 5,
aoqi@0	48	/*'6'*/ 6,
aoqi@0	49	/*'7'*/ 7,
aoqi@0	50	/*'8'*/ 8,
aoqi@0	51	/*'9'*/ 9, -1, -1, -1, -1, -1, -1, -1,
aoqi@0	52	/*'A'*/ 10,
aoqi@0	53	/*'B'*/ 11,
aoqi@0	54	/*'C'*/ 12,
aoqi@0	55	/*'D'*/ 13,
aoqi@0	56	/*'E'*/ 14,
aoqi@0	57	/*'F'*/ 15,
aoqi@0	58	/*'G'-'Z'*/-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
aoqi@0	59	/*'[' - '`'*/ -1, -1, -1, -1, -1, -1,
aoqi@0	60	/*'a'*/ 10,
aoqi@0	61	/*'b'*/ 11,
aoqi@0	62	/*'c'*/ 12,
aoqi@0	63	/*'d'*/ 13,
aoqi@0	64	/*'e'*/ 14,
aoqi@0	65	/*'f'*/ 15 };
aoqi@0	66
aoqi@0	67	public final Object decodeFromBytes(byte[] b, int start, int length) throws EncodingAlgorithmException {
aoqi@0	68	final byte[] data = new byte[length];
aoqi@0	69	System.arraycopy(b, start, data, 0, length);
aoqi@0	70	return data;
aoqi@0	71	}
aoqi@0	72
aoqi@0	73	public final Object decodeFromInputStream(InputStream s) throws IOException {
aoqi@0	74	throw new UnsupportedOperationException(CommonResourceBundle.getInstance().getString("message.notImplemented"));
aoqi@0	75	}
aoqi@0	76
aoqi@0	77
aoqi@0	78	public void encodeToOutputStream(Object data, OutputStream s) throws IOException {
aoqi@0	79	if (!(data instanceof byte[])) {
aoqi@0	80	throw new IllegalArgumentException(CommonResourceBundle.getInstance().getString("message.dataNotByteArray"));
aoqi@0	81	}
aoqi@0	82
aoqi@0	83	s.write((byte[])data);
aoqi@0	84	}
aoqi@0	85
aoqi@0	86	public final Object convertFromCharacters(char[] ch, int start, int length) {
aoqi@0	87	if (length == 0) {
aoqi@0	88	return new byte[0];
aoqi@0	89	}
aoqi@0	90
aoqi@0	91	StringBuilder encodedValue = removeWhitespace(ch, start, length);
aoqi@0	92	int encodedLength = encodedValue.length();
aoqi@0	93	if (encodedLength == 0) {
aoqi@0	94	return new byte[0];
aoqi@0	95	}
aoqi@0	96
aoqi@0	97	int valueLength = encodedValue.length() / 2;
aoqi@0	98	byte[] value = new byte[valueLength];
aoqi@0	99
aoqi@0	100	int encodedIdx = 0;
aoqi@0	101	for (int i = 0; i < valueLength; ++i) {
aoqi@0	102	int nibble1 = HEXADECIMAL_TO_NIBBLE_TABLE[encodedValue.charAt(encodedIdx++) - '0'];
aoqi@0	103	int nibble2 = HEXADECIMAL_TO_NIBBLE_TABLE[encodedValue.charAt(encodedIdx++) - '0'];
aoqi@0	104	value[i] = (byte) ((nibble1 << 4) | nibble2);
aoqi@0	105	}
aoqi@0	106
aoqi@0	107	return value;
aoqi@0	108	}
aoqi@0	109
aoqi@0	110	public final void convertToCharacters(Object data, StringBuffer s) {
aoqi@0	111	if (data == null) {
aoqi@0	112	return;
aoqi@0	113	}
aoqi@0	114	final byte[] value = (byte[]) data;
aoqi@0	115	if (value.length == 0) {
aoqi@0	116	return;
aoqi@0	117	}
aoqi@0	118
aoqi@0	119	s.ensureCapacity(value.length * 2);
aoqi@0	120	for (int i = 0; i < value.length; ++i) {
aoqi@0	121	s.append(NIBBLE_TO_HEXADECIMAL_TABLE[(value[i] >>> 4) & 0xf]);
aoqi@0	122	s.append(NIBBLE_TO_HEXADECIMAL_TABLE[value[i] & 0xf]);
aoqi@0	123	}
aoqi@0	124	}
aoqi@0	125
aoqi@0	126
aoqi@0	127
aoqi@0	128	public final int getPrimtiveLengthFromOctetLength(int octetLength) throws EncodingAlgorithmException {
aoqi@0	129	return octetLength * 2;
aoqi@0	130	}
aoqi@0	131
aoqi@0	132	public int getOctetLengthFromPrimitiveLength(int primitiveLength) {
aoqi@0	133	return primitiveLength / 2;
aoqi@0	134	}
aoqi@0	135
aoqi@0	136	public final void encodeToBytes(Object array, int astart, int alength, byte[] b, int start) {
aoqi@0	137	System.arraycopy((byte[])array, astart, b, start, alength);
aoqi@0	138	}
aoqi@0	139	}