/*
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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 2006-2009 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 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.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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import org.opends.server.api.SubstringMatchingRule;
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import static org.opends.server.schema.SchemaConstants.*;
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import static org.opends.server.util.StaticUtils.*;
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/**
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* This class implements the telephoneNumberSubstringsMatch matching rule
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* defined in X.520 and referenced in RFC 2252. Note that although the
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* specification calls for a very rigorous format, this is widely ignored so
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* this matching will compare only numeric digits and strip out everything else.
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*/
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class TelephoneNumberSubstringMatchingRule
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extends SubstringMatchingRule
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{
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/**
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* Creates a new instance of this telephoneNumberSubstringsMatch matching
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* rule.
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*/
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public TelephoneNumberSubstringMatchingRule()
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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> getNames()
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{
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return Collections.singleton(SMR_TELEPHONE_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 SMR_TELEPHONE_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_SUBSTRING_ASSERTION_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 DecodeException 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 normalizeAttributeValue(ByteSequence value)
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throws DecodeException
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{
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String valueString = value.toString();
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int valueLength = valueString.length();
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StringBuilder buffer = new StringBuilder(valueLength);
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// Iterate through the characters in the value and filter out everything
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// that isn't a digit.
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for (int i=0; i < valueLength; i++)
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{
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char c = valueString.charAt(i);
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if (isDigit(c))
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{
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buffer.append(c);
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}
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}
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return ByteString.valueOf(buffer.toString());
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}
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/**
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* Normalizes the provided value fragment into a form that can be used to
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* efficiently compare values.
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*
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* @param substring The value fragment to be normalized.
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*
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* @return The normalized form of the value fragment.
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*
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* @throws DecodeException If the provided value fragment is not
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* acceptable according to the associated syntax.
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*/
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@Override
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public ByteString normalizeSubstring(ByteSequence substring)
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throws DecodeException
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{
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// In this case, the logic used to normalize a substring is identical to the
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// logic used to normalize a full value.
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ByteString value = normalizeAttributeValue(substring);
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if (value.length() == 0)
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{
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throw DecodeException.error(LocalizableMessage.EMPTY);
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}
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return value;
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}
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}
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