/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
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package com.sun.xml.internal.fastinfoset.algorithm;
import java.util.ArrayList;
import java.util.List;
import java.nio.CharBuffer;
import com.sun.xml.internal.org.jvnet.fastinfoset.EncodingAlgorithmException;
import com.sun.xml.internal.fastinfoset.CommonResourceBundle;
public class UUIDEncodingAlgorithm extends LongEncodingAlgorithm {
public final int getPrimtiveLengthFromOctetLength(int octetLength) throws EncodingAlgorithmException {
if (octetLength % (LONG_SIZE * 2) != 0) {
throw new EncodingAlgorithmException(CommonResourceBundle.getInstance().
getString("message.lengthNotMultipleOfUUID",new Object[]{Integer.valueOf(LONG_SIZE * 2)}));
}
return octetLength / LONG_SIZE;
}
public final Object convertFromCharacters(char[] ch, int start, int length) {
final CharBuffer cb = CharBuffer.wrap(ch, start, length);
final List longList = new ArrayList();
matchWhiteSpaceDelimnatedWords(cb,
new WordListener() {
public void word(int start, int end) {
String uuidValue = cb.subSequence(start, end).toString();
fromUUIDString(uuidValue);
longList.add(Long.valueOf(_msb));
longList.add(Long.valueOf(_lsb));
}
}
);
return generateArrayFromList(longList);
}
public final void convertToCharacters(Object data, StringBuffer s) {
if (!(data instanceof long[])) {
throw new IllegalArgumentException(CommonResourceBundle.getInstance().getString("message.dataNotLongArray"));
}
final long[] ldata = (long[])data;
final int end = ldata.length - 2;
for (int i = 0; i <= end; i += 2) {
s.append(toUUIDString(ldata[i], ldata[i + 1]));
if (i != end) {
s.append(' ');
}
}
}
private long _msb;
private long _lsb;
final void fromUUIDString(String name) {
String[] components = name.split("-");
if (components.length != 5)
throw new IllegalArgumentException(CommonResourceBundle.getInstance().
getString("message.invalidUUID", new Object[]{name}));
for (int i=0; i<5; i++)
components[i] = "0x"+components[i];
_msb = Long.parseLong(components[0], 16);
_msb <<= 16;
_msb |= Long.parseLong(components[1], 16);
_msb <<= 16;
_msb |= Long.parseLong(components[2], 16);
_lsb = Long.parseLong(components[3], 16);
_lsb <<= 48;
_lsb |= Long.parseLong(components[4], 16);
}
final String toUUIDString(long msb, long lsb) {
return (digits(msb >> 32, 8) + "-" +
digits(msb >> 16, 4) + "-" +
digits(msb, 4) + "-" +
digits(lsb >> 48, 4) + "-" +
digits(lsb, 12));
}
final String digits(long val, int digits) {
long hi = 1L << (digits * 4);
return Long.toHexString(hi | (val & (hi - 1))).substring(1);
}
}