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}