/*
 * 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
 * trunk/opends/resource/legal-notices/OpenDS.LICENSE
 * or https://OpenDS.dev.java.net/OpenDS.LICENSE.
 * 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
 * trunk/opends/resource/legal-notices/OpenDS.LICENSE.  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.
 */
package org.opends.sdk.schema;



import org.opends.sdk.ByteSequence;
import org.opends.sdk.ByteString;
import org.opends.sdk.DecodeException;



/**
 * This class implements the authPasswordMatch matching rule defined in
 * RFC 3112.
 */
final class AuthPasswordExactEqualityMatchingRuleImpl extends
    AbstractMatchingRuleImpl
{
  public ByteString normalizeAttributeValue(Schema schema,
      ByteSequence value) throws DecodeException
  {
    final StringBuilder[] authPWComponents =
        AuthPasswordSyntaxImpl.decodeAuthPassword(value.toString());

    final StringBuilder normalizedValue =
        new StringBuilder(2 + authPWComponents[0].length()
            + authPWComponents[1].length()
            + authPWComponents[2].length());
    normalizedValue.append(authPWComponents[0]);
    normalizedValue.append('$');
    normalizedValue.append(authPWComponents[1]);
    normalizedValue.append('$');
    normalizedValue.append(authPWComponents[2]);

    return ByteString.valueOf(normalizedValue.toString());
  }
}