/*
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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 2012-2014 ForgeRock AS
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*/
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package org.opends.server.schema;
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import org.opends.server.admin.std.server.AttributeSyntaxCfg;
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import org.forgerock.i18n.slf4j.LocalizedLogger;
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import org.opends.server.api.ApproximateMatchingRule;
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import org.opends.server.api.AttributeSyntax;
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import org.opends.server.api.EqualityMatchingRule;
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import org.opends.server.api.OrderingMatchingRule;
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import org.opends.server.api.SubstringMatchingRule;
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import org.opends.server.config.ConfigException;
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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 static org.opends.messages.SchemaMessages.*;
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import org.forgerock.i18n.LocalizableMessageBuilder;
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import static org.opends.server.schema.SchemaConstants.*;
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/**
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* This class implements the UUID syntax, which is defined in RFC 4530.
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* Equality and ordering matching will be allowed by default.
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*/
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public class UUIDSyntax
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extends AttributeSyntax<AttributeSyntaxCfg>
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{
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private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
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// The default equality matching rule for this syntax.
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private EqualityMatchingRule defaultEqualityMatchingRule;
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// The default ordering matching rule for this syntax.
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private OrderingMatchingRule defaultOrderingMatchingRule;
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/**
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* Creates a new instance of this syntax. Note that the only thing that
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* should be done here is to invoke the default constructor for the
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* superclass. All initialization should be performed in the
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* <CODE>initializeSyntax</CODE> method.
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*/
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public UUIDSyntax()
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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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public void initializeSyntax(AttributeSyntaxCfg configuration)
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throws ConfigException
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{
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defaultEqualityMatchingRule =
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DirectoryServer.getEqualityMatchingRule(EMR_UUID_OID);
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if (defaultEqualityMatchingRule == null)
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{
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logger.error(ERR_ATTR_SYNTAX_UNKNOWN_EQUALITY_MATCHING_RULE.get(EMR_UUID_OID, SYNTAX_UUID_NAME));
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}
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defaultOrderingMatchingRule =
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DirectoryServer.getOrderingMatchingRule(OMR_UUID_OID);
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if (defaultOrderingMatchingRule == null)
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{
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logger.error(ERR_ATTR_SYNTAX_UNKNOWN_ORDERING_MATCHING_RULE.get(OMR_UUID_OID, SYNTAX_UUID_NAME));
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}
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}
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/**
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* Retrieves the common name for this attribute syntax.
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*
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* @return The common name for this attribute syntax.
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*/
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public String getSyntaxName()
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{
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return SYNTAX_UUID_NAME;
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}
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/**
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* Retrieves the OID for this attribute syntax.
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*
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* @return The OID for this attribute syntax.
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*/
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public String getOID()
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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 a description for this attribute syntax.
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*
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* @return A description for this attribute syntax.
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*/
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public String getDescription()
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{
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return SYNTAX_UUID_DESCRIPTION;
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}
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/**
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* Retrieves the default equality matching rule that will be used for
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* attributes with this syntax.
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*
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* @return The default equality matching rule that will be used for
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* attributes with this syntax, or <CODE>null</CODE> if equality
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* matches will not be allowed for this type by default.
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*/
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public EqualityMatchingRule getEqualityMatchingRule()
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{
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return defaultEqualityMatchingRule;
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}
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/**
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* Retrieves the default ordering matching rule that will be used for
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* attributes with this syntax.
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*
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* @return The default ordering matching rule that will be used for
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* attributes with this syntax, or <CODE>null</CODE> if ordering
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* matches will not be allowed for this type by default.
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*/
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public OrderingMatchingRule getOrderingMatchingRule()
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{
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return defaultOrderingMatchingRule;
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}
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/**
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* Retrieves the default substring matching rule that will be used for
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* attributes with this syntax.
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*
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* @return The default substring matching rule that will be used for
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* attributes with this syntax, or <CODE>null</CODE> if substring
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* matches will not be allowed for this type by default.
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*/
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public SubstringMatchingRule getSubstringMatchingRule()
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{
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// There is no substring matching rule by default.
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return null;
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}
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/**
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* Retrieves the default approximate matching rule that will be used for
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* attributes with this syntax.
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*
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* @return The default approximate matching rule that will be used for
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* attributes with this syntax, or <CODE>null</CODE> if approximate
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* matches will not be allowed for this type by default.
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*/
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public ApproximateMatchingRule getApproximateMatchingRule()
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{
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// There is no approximate matching rule by default.
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return null;
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}
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/**
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* Indicates whether the provided value is acceptable for use in an attribute
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* with this syntax. If it is not, then the reason may be appended to the
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* provided buffer.
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*
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* @param value The value for which to make the determination.
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* @param invalidReason The buffer to which the invalid reason should be
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* appended.
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*
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* @return <CODE>true</CODE> if the provided value is acceptable for use with
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* this syntax, or <CODE>false</CODE> if not.
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*/
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public boolean valueIsAcceptable(ByteSequence value,
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LocalizableMessageBuilder invalidReason)
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{
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// We will only accept values that look like valid UUIDs. This means that
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// all values must be in the form HHHHHHHH-HHHH-HHHH-HHHH-HHHHHHHHHHHH,
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// where "H" represents a hexadecimal digit. First, make sure that the
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// value is exactly 36 bytes long.
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String valueString = value.toString();
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if (valueString.length() != 36)
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{
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invalidReason.append(WARN_ATTR_SYNTAX_UUID_INVALID_LENGTH.get(valueString,
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valueString.length()));
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return false;
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}
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// Next, iterate through each character. Make sure that the 9th, 14th,
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// 19th, and 24th characters are dashes and the rest are hex digits.
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for (int i=0; i < 36; i++)
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{
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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 (valueString.charAt(i) != '-')
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{
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invalidReason.append(WARN_ATTR_SYNTAX_UUID_EXPECTED_DASH.get(
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valueString, i, valueString.charAt(i)));
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return false;
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}
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break;
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default:
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switch (valueString.charAt(i))
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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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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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break;
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default:
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invalidReason.append(WARN_ATTR_SYNTAX_UUID_EXPECTED_HEX.get(
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valueString, i, valueString.charAt(i)));
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return false;
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}
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}
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}
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// If we've gotten here, then the value is acceptable.
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return true;
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}
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/**
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* {@inheritDoc}
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*/
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public boolean isBinary()
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{
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return false;
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}
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/**
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* {@inheritDoc}
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*/
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public boolean isHumanReadable()
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{
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return true;
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}
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}
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