aoqi@0: /*
aoqi@0:  * Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.  Oracle designates this
aoqi@0:  * particular file as subject to the "Classpath" exception as provided
aoqi@0:  * by Oracle in the LICENSE file that accompanied this code.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC.
aoqi@0:  */
aoqi@0: 
aoqi@0: package com.sun.xml.internal.fastinfoset.algorithm;
aoqi@0: 
aoqi@0: import java.util.ArrayList;
aoqi@0: import java.util.List;
aoqi@0: import java.nio.CharBuffer;
aoqi@0: import com.sun.xml.internal.org.jvnet.fastinfoset.EncodingAlgorithmException;
aoqi@0: import com.sun.xml.internal.fastinfoset.CommonResourceBundle;
aoqi@0: 
aoqi@0: public class UUIDEncodingAlgorithm extends LongEncodingAlgorithm {
aoqi@0: 
aoqi@0:     public final int getPrimtiveLengthFromOctetLength(int octetLength) throws EncodingAlgorithmException {
aoqi@0:         if (octetLength % (LONG_SIZE * 2) != 0) {
aoqi@0:             throw new EncodingAlgorithmException(CommonResourceBundle.getInstance().
aoqi@0:                     getString("message.lengthNotMultipleOfUUID",new Object[]{Integer.valueOf(LONG_SIZE * 2)}));
aoqi@0:         }
aoqi@0: 
aoqi@0:         return octetLength / LONG_SIZE;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public final Object convertFromCharacters(char[] ch, int start, int length) {
aoqi@0:         final CharBuffer cb = CharBuffer.wrap(ch, start, length);
aoqi@0:         final List longList = new ArrayList();
aoqi@0: 
aoqi@0:         matchWhiteSpaceDelimnatedWords(cb,
aoqi@0:                 new WordListener() {
aoqi@0:             public void word(int start, int end) {
aoqi@0:                 String uuidValue = cb.subSequence(start, end).toString();
aoqi@0:                 fromUUIDString(uuidValue);
aoqi@0:                 longList.add(Long.valueOf(_msb));
aoqi@0:                 longList.add(Long.valueOf(_lsb));
aoqi@0:             }
aoqi@0:         }
aoqi@0:         );
aoqi@0: 
aoqi@0:         return generateArrayFromList(longList);
aoqi@0:     }
aoqi@0: 
aoqi@0:     public final void convertToCharacters(Object data, StringBuffer s) {
aoqi@0:         if (!(data instanceof long[])) {
aoqi@0:             throw new IllegalArgumentException(CommonResourceBundle.getInstance().getString("message.dataNotLongArray"));
aoqi@0:         }
aoqi@0: 
aoqi@0:         final long[] ldata = (long[])data;
aoqi@0: 
aoqi@0:         final int end = ldata.length - 2;
aoqi@0:         for (int i = 0; i <= end; i += 2) {
aoqi@0:             s.append(toUUIDString(ldata[i], ldata[i + 1]));
aoqi@0:             if (i != end) {
aoqi@0:                 s.append(' ');
aoqi@0:             }
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0: 
aoqi@0:     private long _msb;
aoqi@0:     private long _lsb;
aoqi@0: 
aoqi@0:     final void fromUUIDString(String name) {
aoqi@0:         String[] components = name.split("-");
aoqi@0:         if (components.length != 5)
aoqi@0:             throw new IllegalArgumentException(CommonResourceBundle.getInstance().
aoqi@0:                     getString("message.invalidUUID", new Object[]{name}));
aoqi@0: 
aoqi@0:         for (int i=0; i<5; i++)
aoqi@0:             components[i] = "0x"+components[i];
aoqi@0: 
aoqi@0:         _msb = Long.parseLong(components[0], 16);
aoqi@0:         _msb <<= 16;
aoqi@0:         _msb |= Long.parseLong(components[1], 16);
aoqi@0:         _msb <<= 16;
aoqi@0:         _msb |= Long.parseLong(components[2], 16);
aoqi@0: 
aoqi@0:         _lsb = Long.parseLong(components[3], 16);
aoqi@0:         _lsb <<= 48;
aoqi@0:         _lsb |= Long.parseLong(components[4], 16);
aoqi@0:     }
aoqi@0: 
aoqi@0:     final String toUUIDString(long msb, long lsb) {
aoqi@0:         return (digits(msb >> 32, 8) + "-" +
aoqi@0:                 digits(msb >> 16, 4) + "-" +
aoqi@0:                 digits(msb, 4) + "-" +
aoqi@0:                 digits(lsb >> 48, 4) + "-" +
aoqi@0:                 digits(lsb, 12));
aoqi@0:     }
aoqi@0: 
aoqi@0:     final String digits(long val, int digits) {
aoqi@0:         long hi = 1L << (digits * 4);
aoqi@0:         return Long.toHexString(hi | (val & (hi - 1))).substring(1);
aoqi@0:     }
aoqi@0: 
aoqi@0: }