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 */ 020 package org.apache.directory.server.changepw.io; 021 022 023 import java.io.IOException; 024 import java.nio.ByteBuffer; 025 026 import org.apache.directory.server.changepw.messages.ChangePasswordRequest; 027 import org.apache.directory.server.kerberos.shared.io.encoder.ApplicationRequestEncoder; 028 import org.apache.directory.server.kerberos.shared.io.encoder.PrivateMessageEncoder; 029 import org.apache.directory.server.kerberos.shared.messages.ApplicationRequest; 030 import org.apache.directory.server.kerberos.shared.messages.application.PrivateMessage; 031 032 033 /** 034 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 035 * @version $Rev$, $Date$ 036 */ 037 public class ChangePasswordRequestEncoder 038 { 039 private static final int HEADER_LENGTH = 6; 040 041 042 /** 043 * Encodes a {@link ChangePasswordRequest} into a {@link ByteBuffer}. 044 * 045 * @param buf 046 * @param message 047 * @throws IOException 048 */ 049 public void encode( ByteBuffer buf, ChangePasswordRequest message ) throws IOException 050 { 051 // Build application request bytes 052 ApplicationRequest appRequest = message.getAuthHeader(); 053 ApplicationRequestEncoder appEncoder = new ApplicationRequestEncoder(); 054 byte[] encodedAppRequest = appEncoder.encode( appRequest ); 055 056 // Build private message bytes 057 PrivateMessage privateMessage = message.getPrivateMessage(); 058 PrivateMessageEncoder privateEncoder = new PrivateMessageEncoder(); 059 byte[] privateBytes = privateEncoder.encode( privateMessage ); 060 061 short messageLength = ( short ) ( HEADER_LENGTH + encodedAppRequest.length + privateBytes.length ); 062 063 short protocolVersion = 1; 064 065 buf.putShort( messageLength ); 066 buf.putShort( protocolVersion ); 067 buf.putShort( ( short ) encodedAppRequest.length ); 068 069 buf.put( encodedAppRequest ); 070 buf.put( privateBytes ); 071 } 072 }