/*
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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 org.opends.messages.SchemaMessages.WARN_ATTR_SYNTAX_LDAPSYNTAX_REGEX_INVALID_VALUE;
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import static org.opends.sdk.schema.SchemaConstants.AMR_DOUBLE_METAPHONE_OID;
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import static org.opends.sdk.schema.SchemaConstants.EMR_CASE_IGNORE_OID;
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import static org.opends.sdk.schema.SchemaConstants.OMR_CASE_IGNORE_OID;
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import static org.opends.sdk.schema.SchemaConstants.SMR_CASE_IGNORE_OID;
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import java.util.regex.Pattern;
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import org.opends.messages.Message;
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import org.opends.messages.MessageBuilder;
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import org.opends.sdk.util.ByteSequence;
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import org.opends.sdk.util.Validator;
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/**
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* This class provides a regex mechanism where a new syntax and its
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* corresponding matching rules can be created on-the-fly. A regex
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* syntax is an LDAPSyntaxDescriptionSyntax with X-PATTERN extension.
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*/
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final class RegexSyntaxImpl extends AbstractSyntaxImpl
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{
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// The Pattern associated with the regex.
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private final Pattern pattern;
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RegexSyntaxImpl(Pattern pattern)
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{
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Validator.ensureNotNull(pattern);
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this.pattern = pattern;
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}
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@Override
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public String getApproximateMatchingRule()
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{
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return AMR_DOUBLE_METAPHONE_OID;
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}
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@Override
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public String getEqualityMatchingRule()
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{
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return EMR_CASE_IGNORE_OID;
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}
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public String getName()
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{
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return "Regex(" + pattern.toString() + ")";
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}
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@Override
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public String getOrderingMatchingRule()
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{
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return OMR_CASE_IGNORE_OID;
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}
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@Override
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public String getSubstringMatchingRule()
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{
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return SMR_CASE_IGNORE_OID;
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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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public boolean valueIsAcceptable(Schema schema, ByteSequence value,
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MessageBuilder invalidReason)
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{
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final String strValue = value.toString();
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final boolean matches = pattern.matcher(strValue).matches();
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if (!matches)
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{
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final Message message =
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WARN_ATTR_SYNTAX_LDAPSYNTAX_REGEX_INVALID_VALUE.get(strValue,
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pattern.pattern());
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invalidReason.append(message);
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}
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return matches;
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}
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}
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