/*
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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 legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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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 legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* 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.forgerock.opendj.ldap.schema;
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import static org.forgerock.opendj.ldap.CoreMessages.WARN_ATTR_SYNTAX_UUID_EXPECTED_DASH;
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import static org.forgerock.opendj.ldap.CoreMessages.WARN_ATTR_SYNTAX_UUID_EXPECTED_HEX;
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import static org.forgerock.opendj.ldap.CoreMessages.WARN_ATTR_SYNTAX_UUID_INVALID_LENGTH;
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import org.forgerock.i18n.LocalizableMessage;
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import org.forgerock.opendj.ldap.ByteSequence;
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import org.forgerock.opendj.ldap.ByteString;
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import org.forgerock.opendj.ldap.DecodeException;
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/**
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* This class defines the uuidOrderingMatch matching rule defined in RFC 4530.
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* This will be the default ordering matching rule for the UUID syntax.
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*/
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final class UUIDOrderingMatchingRuleImpl extends AbstractOrderingMatchingRuleImpl {
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public ByteString normalizeAttributeValue(final Schema schema, final ByteSequence value)
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throws DecodeException {
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if (value.length() != 36) {
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final LocalizableMessage message =
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WARN_ATTR_SYNTAX_UUID_INVALID_LENGTH.get(value.toString(), 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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// 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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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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final LocalizableMessage message =
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WARN_ATTR_SYNTAX_UUID_EXPECTED_DASH.get(value.toString(), i, String
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.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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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(), i, String
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.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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