| /* |
| * 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 org.apache.directory.server.changepw.io.ChangePasswordRequestDecoder; |
| import org.apache.mina.common.BufferDataException; |
| import org.apache.mina.common.ByteBuffer; |
| import org.apache.mina.common.IoSession; |
| import org.apache.mina.filter.codec.CumulativeProtocolDecoder; |
| import org.apache.mina.filter.codec.ProtocolDecoderOutput; |
| |
| |
| /** |
| * @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 ChangePasswordTcpDecoder extends CumulativeProtocolDecoder |
| { |
| private ChangePasswordRequestDecoder decoder = new ChangePasswordRequestDecoder(); |
| |
| private int maxObjectSize = 16384; // 16KB |
| |
| |
| /** |
| * Returns the allowed maximum size of the object to be decoded. |
| * If the size of the object to be decoded exceeds this value, this |
| * decoder will throw a {@link BufferDataException}. The default |
| * value is <tt>16384</tt> (16KB). |
| * |
| * @return The max object size. |
| */ |
| public int getMaxObjectSize() |
| { |
| return maxObjectSize; |
| } |
| |
| |
| /** |
| * Sets the allowed maximum size of the object to be decoded. |
| * If the size of the object to be decoded exceeds this value, this |
| * decoder will throw a {@link BufferDataException}. The default |
| * value is <tt>16384</tt> (16KB). |
| * |
| * @param maxObjectSize |
| */ |
| public void setMaxObjectSize( int maxObjectSize ) |
| { |
| if ( maxObjectSize <= 0 ) |
| { |
| throw new IllegalArgumentException( "maxObjectSize: " + maxObjectSize ); |
| } |
| |
| this.maxObjectSize = maxObjectSize; |
| } |
| |
| |
| @Override |
| protected boolean doDecode( IoSession session, ByteBuffer in, ProtocolDecoderOutput out ) throws Exception |
| { |
| if ( !in.prefixedDataAvailable( 4, maxObjectSize ) ) |
| { |
| return false; |
| } |
| |
| in.getInt(); |
| |
| out.write( decoder.decode( in.buf() ) ); |
| |
| return true; |
| } |
| } |