/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2009 Sun Microsystems, Inc.
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*/
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package org.opends.sdk.schema;
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import static com.sun.opends.sdk.messages.Messages.*;
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import org.opends.sdk.ByteSequence;
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import org.opends.sdk.ByteString;
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import org.opends.sdk.DecodeException;
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import org.opends.sdk.LocalizableMessage;
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/**
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* This class defines the uuidMatch matching rule defined in RFC 4530.
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* It will be used as the default equality matching rule for the UUID
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* syntax.
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*/
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final class UUIDEqualityMatchingRuleImpl extends
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AbstractMatchingRuleImpl
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{
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public ByteString normalizeAttributeValue(Schema schema,
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ByteSequence value) throws DecodeException
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{
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if (value.length() != 36)
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{
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final LocalizableMessage message =
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WARN_ATTR_SYNTAX_UUID_INVALID_LENGTH.get(value.toString(),
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value.length());
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throw DecodeException.error(message);
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}
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final StringBuilder builder = new StringBuilder(36);
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char c;
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for (int i = 0; i < 36; i++)
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{
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// The 9th, 14th, 19th, and 24th characters must be dashes. All
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// others must be hex. Convert all uppercase hex characters to
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// lowercase.
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c = (char) value.byteAt(i);
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switch (i)
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{
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case 8:
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case 13:
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case 18:
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case 23:
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if (c != '-')
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{
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final LocalizableMessage message =
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WARN_ATTR_SYNTAX_UUID_EXPECTED_DASH.get(value.toString(),
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i, String.valueOf(c));
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throw DecodeException.error(message);
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}
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builder.append(c);
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break;
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default:
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switch (c)
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{
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case '0':
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9':
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case 'a':
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case 'b':
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case 'c':
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case 'd':
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case 'e':
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case 'f':
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// These are all fine.
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builder.append(c);
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break;
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case 'A':
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builder.append('a');
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break;
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case 'B':
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builder.append('b');
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break;
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case 'C':
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builder.append('c');
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break;
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case 'D':
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builder.append('d');
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break;
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case 'E':
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builder.append('e');
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break;
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case 'F':
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builder.append('f');
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break;
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default:
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final LocalizableMessage message =
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WARN_ATTR_SYNTAX_UUID_EXPECTED_HEX.get(value.toString(),
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i, String.valueOf(value.byteAt(i)));
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throw DecodeException.error(message);
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}
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}
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}
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return ByteString.valueOf(builder.toString());
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}
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}
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