/*
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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 org.opends.sdk.ByteSequence;
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import org.opends.sdk.ByteString;
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import com.sun.opends.sdk.util.StaticUtils;
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/**
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* This class implements the telephoneNumberMatch matching rule defined
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* 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
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* ignored so this matching will compare only numeric digits and strip
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* out everything else.
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*/
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final class TelephoneNumberEqualityMatchingRuleImpl extends
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AbstractMatchingRuleImpl
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{
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public ByteString normalizeAttributeValue(Schema schema,
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ByteSequence value)
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{
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final String valueString = value.toString();
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final int valueLength = valueString.length();
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final StringBuilder buffer = new StringBuilder(valueLength);
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// Iterate through the characters in the value and filter out
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// everything that isn't a digit.
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for (int i = 0; i < valueLength; i++)
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{
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final char c = valueString.charAt(i);
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if (StaticUtils.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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