TelephoneNumberSubstringMatchingRuleImpl.java revision 8ac57ee1cd50fcc3d02b36bea4ab1335924f1d7a
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
* or http://forgerock.org/license/CDDLv1.0.html.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at legal-notices/CDDLv1_0.txt.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Copyright 2009 Sun Microsystems, Inc.
* Portions Copyright 2015 ForgeRock AS.
*/
package org.forgerock.opendj.ldap.schema;
import static org.forgerock.opendj.ldap.schema.SchemaConstants.*;
import org.forgerock.opendj.ldap.ByteSequence;
import org.forgerock.opendj.ldap.ByteString;
import com.forgerock.opendj.util.StaticUtils;
/**
* This class implements the telephoneNumberSubstringsMatch matching rule
* defined in X.520 and referenced in RFC 2252. Note that although the
* specification calls for a very rigorous format, this is widely ignored so
* this matching will compare only numeric digits and strip out everything else.
*/
final class TelephoneNumberSubstringMatchingRuleImpl extends AbstractSubstringMatchingRuleImpl {
TelephoneNumberSubstringMatchingRuleImpl() {
super(SMR_TELEPHONE_NAME, EMR_TELEPHONE_NAME);
}
public ByteString normalizeAttributeValue(final Schema schema, final ByteSequence value) {
final String valueString = value.toString();
final int valueLength = valueString.length();
final StringBuilder buffer = new StringBuilder(valueLength);
// Iterate through the characters in the value and filter out
// everything that isn't a digit.
for (int i = 0; i < valueLength; i++) {
final char c = valueString.charAt(i);
if (StaticUtils.isDigit(c)) {
buffer.append(c);
}
}
return ByteString.valueOf(buffer.toString());
}
}