/*
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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 2006-2008 Sun Microsystems, Inc.
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* Portions Copyright 2014 ForgeRock AS
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*/
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package org.opends.server.schema;
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import static org.opends.messages.SchemaMessages.*;
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import org.forgerock.i18n.slf4j.LocalizedLogger;
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import static org.opends.server.schema.SchemaConstants.*;
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import java.util.Collection;
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import java.util.Collections;
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import org.forgerock.i18n.LocalizableMessage;
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import org.opends.server.api.EqualityMatchingRule;
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import org.opends.server.core.DirectoryServer;
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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.opends.server.types.DirectoryException;
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import org.opends.server.types.ResultCode;
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/**
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* This class defines the uuidMatch matching rule defined in RFC 4530. It will
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* be used as the default equality matching rule for the UUID syntax.
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*/
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class UUIDEqualityMatchingRule
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extends EqualityMatchingRule
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{
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private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
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/**
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* Creates a new instance of this caseExactMatch matching rule.
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*/
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public UUIDEqualityMatchingRule()
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{
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super();
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public Collection<String> getAllNames()
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{
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return Collections.singleton(getName());
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}
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/**
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* Retrieves the common name for this matching rule.
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*
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* @return The common name for this matching rule, or <CODE>null</CODE> if
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* it does not have a name.
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*/
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@Override
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public String getName()
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{
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return EMR_UUID_NAME;
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}
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/**
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* Retrieves the OID for this matching rule.
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*
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* @return The OID for this matching rule.
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*/
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@Override
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public String getOID()
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{
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return EMR_UUID_OID;
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}
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/**
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* Retrieves the description for this matching rule.
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*
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* @return The description for this matching rule, or <CODE>null</CODE> if
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* there is none.
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*/
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@Override
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public String getDescription()
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{
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// There is no standard description for this matching rule.
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return null;
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}
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/**
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* Retrieves the OID of the syntax with which this matching rule is
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* associated.
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*
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* @return The OID of the syntax with which this matching rule is associated.
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*/
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@Override
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public String getSyntaxOID()
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{
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return SYNTAX_UUID_OID;
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}
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/**
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* Retrieves the normalized form of the provided value, which is best suited
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* for efficiently performing matching operations on that value.
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*
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* @param value The value to be normalized.
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*
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* @return The normalized version of the provided value.
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*
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* @throws DirectoryException If the provided value is invalid according to
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* the associated attribute syntax.
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*/
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@Override
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public ByteString normalizeValue(ByteSequence value)
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throws DirectoryException
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{
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if (value.length() != 36)
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{
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return reportInvalidAttrSyntax(value,
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WARN_ATTR_SYNTAX_UUID_INVALID_LENGTH.get(value, value.length()));
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}
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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 others
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// must be hex. Convert all uppercase hex characters to 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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return reportInvalidAttrSyntax(value,
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WARN_ATTR_SYNTAX_UUID_EXPECTED_DASH.get(value, i, c));
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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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return reportInvalidAttrSyntax(value,
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WARN_ATTR_SYNTAX_UUID_EXPECTED_HEX.get(value, i, value.byteAt(i)));
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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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private ByteString reportInvalidAttrSyntax(ByteSequence value, LocalizableMessage message)
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throws DirectoryException
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{
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switch (DirectoryServer.getSyntaxEnforcementPolicy())
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{
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case REJECT:
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throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX, message);
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case WARN:
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logger.error(message);
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return value.toByteString();
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default:
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return value.toByteString();
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}
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}
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}
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