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src/share/jaxws_classes/com/sun/xml/internal/fastinfoset/algorithm/IntEncodingAlgorithm.java@e530533619ec (annotated)

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

Thu, 12 Oct 2017 19:44:07 +0800

author

aoqi

date

Thu, 12 Oct 2017 19:44:07 +0800

changeset 760

e530533619ec

parent 0

373ffda63c9a

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2004, 2011, 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.EOFException;
aoqi@0	31	import java.io.IOException;
aoqi@0	32	import java.io.InputStream;
aoqi@0	33	import java.io.OutputStream;
aoqi@0	34	import java.nio.CharBuffer;
aoqi@0	35	import java.util.ArrayList;
aoqi@0	36	import java.util.List;
aoqi@0	37	import com.sun.xml.internal.org.jvnet.fastinfoset.EncodingAlgorithmException;
aoqi@0	38	import com.sun.xml.internal.fastinfoset.CommonResourceBundle;
aoqi@0	39
aoqi@0	40
aoqi@0	41
aoqi@0	42	public class IntEncodingAlgorithm extends IntegerEncodingAlgorithm {
aoqi@0	43
aoqi@0	44	public final int getPrimtiveLengthFromOctetLength(int octetLength) throws EncodingAlgorithmException {
aoqi@0	45	if (octetLength % INT_SIZE != 0) {
aoqi@0	46	throw new EncodingAlgorithmException(CommonResourceBundle.getInstance().
aoqi@0	47	getString("message.lengthNotMultipleOfInt", new Object[]{Integer.valueOf(INT_SIZE)}));
aoqi@0	48	}
aoqi@0	49
aoqi@0	50	return octetLength / INT_SIZE;
aoqi@0	51	}
aoqi@0	52
aoqi@0	53	public int getOctetLengthFromPrimitiveLength(int primitiveLength) {
aoqi@0	54	return primitiveLength * INT_SIZE;
aoqi@0	55	}
aoqi@0	56
aoqi@0	57	public final Object decodeFromBytes(byte[] b, int start, int length) throws EncodingAlgorithmException {
aoqi@0	58	int[] data = new int[getPrimtiveLengthFromOctetLength(length)];
aoqi@0	59	decodeFromBytesToIntArray(data, 0, b, start, length);
aoqi@0	60
aoqi@0	61	return data;
aoqi@0	62	}
aoqi@0	63
aoqi@0	64	public final Object decodeFromInputStream(InputStream s) throws IOException {
aoqi@0	65	return decodeFromInputStreamToIntArray(s);
aoqi@0	66	}
aoqi@0	67
aoqi@0	68
aoqi@0	69	public void encodeToOutputStream(Object data, OutputStream s) throws IOException {
aoqi@0	70	if (!(data instanceof int[])) {
aoqi@0	71	throw new IllegalArgumentException(CommonResourceBundle.getInstance().getString("message.dataNotIntArray"));
aoqi@0	72	}
aoqi@0	73
aoqi@0	74	final int[] idata = (int[])data;
aoqi@0	75
aoqi@0	76	encodeToOutputStreamFromIntArray(idata, s);
aoqi@0	77	}
aoqi@0	78
aoqi@0	79
aoqi@0	80	public final Object convertFromCharacters(char[] ch, int start, int length) {
aoqi@0	81	final CharBuffer cb = CharBuffer.wrap(ch, start, length);
aoqi@0	82	final List integerList = new ArrayList();
aoqi@0	83
aoqi@0	84	matchWhiteSpaceDelimnatedWords(cb,
aoqi@0	85	new WordListener() {
aoqi@0	86	public void word(int start, int end) {
aoqi@0	87	String iStringValue = cb.subSequence(start, end).toString();
aoqi@0	88	integerList.add(Integer.valueOf(iStringValue));
aoqi@0	89	}
aoqi@0	90	}
aoqi@0	91	);
aoqi@0	92
aoqi@0	93	return generateArrayFromList(integerList);
aoqi@0	94	}
aoqi@0	95
aoqi@0	96	public final void convertToCharacters(Object data, StringBuffer s) {
aoqi@0	97	if (!(data instanceof int[])) {
aoqi@0	98	throw new IllegalArgumentException(CommonResourceBundle.getInstance().getString("message.dataNotIntArray"));
aoqi@0	99	}
aoqi@0	100
aoqi@0	101	final int[] idata = (int[])data;
aoqi@0	102
aoqi@0	103	convertToCharactersFromIntArray(idata, s);
aoqi@0	104	}
aoqi@0	105
aoqi@0	106
aoqi@0	107	public final void decodeFromBytesToIntArray(int[] idata, int istart, byte[] b, int start, int length) {
aoqi@0	108	final int size = length / INT_SIZE;
aoqi@0	109	for (int i = 0; i < size; i++) {
aoqi@0	110	idata[istart++] = ((b[start++] & 0xFF) << 24) |
aoqi@0	111	((b[start++] & 0xFF) << 16) |
aoqi@0	112	((b[start++] & 0xFF) << 8) |
aoqi@0	113	(b[start++] & 0xFF);
aoqi@0	114	}
aoqi@0	115	}
aoqi@0	116
aoqi@0	117	public final int[] decodeFromInputStreamToIntArray(InputStream s) throws IOException {
aoqi@0	118	final List integerList = new ArrayList();
aoqi@0	119	final byte[] b = new byte[INT_SIZE];
aoqi@0	120
aoqi@0	121	while (true) {
aoqi@0	122	int n = s.read(b);
aoqi@0	123	if (n != 4) {
aoqi@0	124	if (n == -1) {
aoqi@0	125	break;
aoqi@0	126	}
aoqi@0	127
aoqi@0	128	while(n != 4) {
aoqi@0	129	final int m = s.read(b, n, INT_SIZE - n);
aoqi@0	130	if (m == -1) {
aoqi@0	131	throw new EOFException();
aoqi@0	132	}
aoqi@0	133	n += m;
aoqi@0	134	}
aoqi@0	135	}
aoqi@0	136
aoqi@0	137	final int i = ((b[0] & 0xFF) << 24) |
aoqi@0	138	((b[1] & 0xFF) << 16) |
aoqi@0	139	((b[2] & 0xFF) << 8) |
aoqi@0	140	(b[3] & 0xFF);
aoqi@0	141	integerList.add(Integer.valueOf(i));
aoqi@0	142	}
aoqi@0	143
aoqi@0	144	return generateArrayFromList(integerList);
aoqi@0	145	}
aoqi@0	146
aoqi@0	147
aoqi@0	148	public final void encodeToOutputStreamFromIntArray(int[] idata, OutputStream s) throws IOException {
aoqi@0	149	for (int i = 0; i < idata.length; i++) {
aoqi@0	150	final int bits = idata[i];
aoqi@0	151	s.write((bits >>> 24) & 0xFF);
aoqi@0	152	s.write((bits >>> 16) & 0xFF);
aoqi@0	153	s.write((bits >>> 8) & 0xFF);
aoqi@0	154	s.write(bits & 0xFF);
aoqi@0	155	}
aoqi@0	156	}
aoqi@0	157
aoqi@0	158	public final void encodeToBytes(Object array, int astart, int alength, byte[] b, int start) {
aoqi@0	159	encodeToBytesFromIntArray((int[])array, astart, alength, b, start);
aoqi@0	160	}
aoqi@0	161
aoqi@0	162	public final void encodeToBytesFromIntArray(int[] idata, int istart, int ilength, byte[] b, int start) {
aoqi@0	163	final int iend = istart + ilength;
aoqi@0	164	for (int i = istart; i < iend; i++) {
aoqi@0	165	final int bits = idata[i];
aoqi@0	166	b[start++] = (byte)((bits >>> 24) & 0xFF);
aoqi@0	167	b[start++] = (byte)((bits >>> 16) & 0xFF);
aoqi@0	168	b[start++] = (byte)((bits >>> 8) & 0xFF);
aoqi@0	169	b[start++] = (byte)(bits & 0xFF);
aoqi@0	170	}
aoqi@0	171	}
aoqi@0	172
aoqi@0	173
aoqi@0	174	public final void convertToCharactersFromIntArray(int[] idata, StringBuffer s) {
aoqi@0	175	final int end = idata.length - 1;
aoqi@0	176	for (int i = 0; i <= end; i++) {
aoqi@0	177	s.append(Integer.toString(idata[i]));
aoqi@0	178	if (i != end) {
aoqi@0	179	s.append(' ');
aoqi@0	180	}
aoqi@0	181	}
aoqi@0	182	}
aoqi@0	183
aoqi@0	184
aoqi@0	185	public final int[] generateArrayFromList(List array) {
aoqi@0	186	int[] idata = new int[array.size()];
aoqi@0	187	for (int i = 0; i < idata.length; i++) {
aoqi@0	188	idata[i] = ((Integer)array.get(i)).intValue();
aoqi@0	189	}
aoqi@0	190
aoqi@0	191	return idata;
aoqi@0	192	}
aoqi@0	193	}