/*
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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_LDAPSYNTAX_REGEX_INVALID_VALUE;
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import static org.forgerock.opendj.ldap.schema.SchemaConstants.AMR_DOUBLE_METAPHONE_OID;
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import static org.forgerock.opendj.ldap.schema.SchemaConstants.EMR_CASE_IGNORE_OID;
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import static org.forgerock.opendj.ldap.schema.SchemaConstants.OMR_CASE_IGNORE_OID;
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import static org.forgerock.opendj.ldap.schema.SchemaConstants.SMR_CASE_IGNORE_OID;
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import java.util.regex.Pattern;
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import org.forgerock.i18n.LocalizableMessage;
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import org.forgerock.i18n.LocalizableMessageBuilder;
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import org.forgerock.opendj.ldap.ByteSequence;
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import com.forgerock.opendj.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 syntax is an
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* LDAPSyntaxDescriptionSyntax with X-PATTERN extension.
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*/
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final class RegexSyntaxImpl extends AbstractSyntaxImpl {
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// The Pattern associated with the regex.
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private final Pattern pattern;
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RegexSyntaxImpl(final Pattern pattern) {
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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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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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return EMR_CASE_IGNORE_OID;
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}
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public String getName() {
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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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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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return SMR_CASE_IGNORE_OID;
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}
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public boolean isHumanReadable() {
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return true;
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}
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public boolean valueIsAcceptable(final Schema schema, final ByteSequence value,
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final LocalizableMessageBuilder invalidReason) {
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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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final LocalizableMessage message =
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WARN_ATTR_SYNTAX_LDAPSYNTAX_REGEX_INVALID_VALUE
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.get(strValue, 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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