| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| |
| package org.apache.directory.server.changepw.protocol; |
| |
| |
| import java.io.IOException; |
| |
| import org.apache.directory.server.changepw.io.ChangePasswordErrorEncoder; |
| import org.apache.directory.server.changepw.io.ChangePasswordReplyEncoder; |
| import org.apache.directory.server.changepw.messages.ChangePasswordError; |
| import org.apache.directory.server.changepw.messages.ChangePasswordReply; |
| import org.apache.mina.common.ByteBuffer; |
| import org.apache.mina.common.IoSession; |
| import org.apache.mina.filter.codec.ProtocolEncoderAdapter; |
| import org.apache.mina.filter.codec.ProtocolEncoderOutput; |
| |
| |
| /** |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| * @version $Rev: 549315 $, $Date: 2007-06-20 18:13:53 -0700 (Wed, 20 Jun 2007) $ |
| */ |
| public class ChangePasswordTcpEncoder extends ProtocolEncoderAdapter |
| { |
| ChangePasswordReplyEncoder replyEncoder = new ChangePasswordReplyEncoder(); |
| ChangePasswordErrorEncoder errorEncoder = new ChangePasswordErrorEncoder(); |
| |
| |
| public void encode( IoSession session, Object message, ProtocolEncoderOutput out ) throws IOException |
| { |
| ByteBuffer buf = ByteBuffer.allocate( 512 ); |
| |
| // make space for int length |
| buf.putInt( 0 ); |
| |
| if ( message instanceof ChangePasswordReply ) |
| { |
| replyEncoder.encode( buf.buf(), ( ChangePasswordReply ) message ); |
| } |
| else |
| { |
| if ( message instanceof ChangePasswordError ) |
| { |
| errorEncoder.encode( buf.buf(), ( ChangePasswordError ) message ); |
| } |
| } |
| |
| // mark position |
| int pos = buf.position(); |
| |
| // length is the data minus 4 bytes for the pre-pended length |
| int recordLength = buf.position() - 4; |
| |
| // write the length |
| buf.rewind(); |
| buf.putInt( recordLength ); |
| |
| // set the position back before flipping the buffer |
| buf.position( pos ); |
| buf.flip(); |
| |
| out.write( buf ); |
| } |
| } |