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.mina.filter.codec; 021 022/** 023 * A special exception that tells the {@link ProtocolDecoder} can keep 024 * decoding even after this exception is thrown. 025 * <p> 026 * Once {@link ProtocolCodecFilter} catches any other type of exception 027 * than {@link RecoverableProtocolDecoderException}, it stops calling 028 * the {@link ProtocolDecoder#decode(org.apache.mina.core.session.IoSession, 029 * org.apache.mina.core.buffer.IoBuffer, ProtocolDecoderOutput)} 030 * immediately and fires an <tt>exceptionCaught</tt> event. 031 * <p> 032 * On the other hand, if {@link RecoverableProtocolDecoderException} is thrown, 033 * it doesn't stop immediately but keeps calling the {@link ProtocolDecoder} 034 * as long as the position of the read buffer changes. 035 * <p> 036 * {@link RecoverableProtocolDecoderException} is useful for a robust 037 * {@link ProtocolDecoder} that can continue decoding even after any 038 * protocol violation. 039 * 040 * @author <a href="http://mina.apache.org">Apache MINA Project</a> 041 */ 042public class RecoverableProtocolDecoderException extends ProtocolDecoderException { 043 044 private static final long serialVersionUID = -8172624045024880678L; 045 046 public RecoverableProtocolDecoderException() { 047 // Do nothing 048 } 049 050 public RecoverableProtocolDecoderException(String message) { 051 super(message); 052 } 053 054 public RecoverableProtocolDecoderException(Throwable cause) { 055 super(cause); 056 } 057 058 public RecoverableProtocolDecoderException(String message, Throwable cause) { 059 super(message, cause); 060 } 061 062}