001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *  
010 *    http://www.apache.org/licenses/LICENSE-2.0
011 *  
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License. 
018 *  
019 */
020package org.apache.directory.server.kerberos.changepwd.io;
021
022
023import java.nio.ByteBuffer;
024
025import org.apache.directory.api.asn1.EncoderException;
026import org.apache.directory.server.kerberos.changepwd.messages.AbstractPasswordMessage;
027
028
029public class ChangePasswordEncoder
030{
031    public static ByteBuffer encode( AbstractPasswordMessage chngPwdMsg, boolean isTcp ) throws EncoderException
032    {
033        int len = chngPwdMsg.computeLength();
034
035        ByteBuffer buf;
036        if ( isTcp )
037        {
038            buf = ByteBuffer.allocate( len + 4 );
039            buf.putInt( len );
040        }
041        else
042        {
043            buf = ByteBuffer.allocate( len );
044        }
045
046        buf = chngPwdMsg.encode( buf );
047        buf.flip();
048
049        return buf;
050    }
051}