1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 * 19 */ 20 package org.apache.mina.filter.codec; 21 22 import org.apache.mina.common.ByteBuffer; 23 24 /** 25 * An exception that is thrown when {@link ProtocolDecoder} 26 * cannot understand or failed to validate the specified {@link ByteBuffer} 27 * content. 28 * 29 * @author The Apache Directory Project (mina-dev@directory.apache.org) 30 * @version $Rev: 555855 $, $Date: 2007-07-13 12:19:00 +0900 (Fri, 13 Jul 2007) $ 31 */ 32 public class ProtocolDecoderException extends ProtocolCodecException { 33 private static final long serialVersionUID = 3545799879533408565L; 34 35 private String hexdump; 36 37 /** 38 * Constructs a new instance. 39 */ 40 public ProtocolDecoderException() { 41 } 42 43 /** 44 * Constructs a new instance with the specified message. 45 */ 46 public ProtocolDecoderException(String message) { 47 super(message); 48 } 49 50 /** 51 * Constructs a new instance with the specified cause. 52 */ 53 public ProtocolDecoderException(Throwable cause) { 54 super(cause); 55 } 56 57 /** 58 * Constructs a new instance with the specified message and the specified 59 * cause. 60 */ 61 public ProtocolDecoderException(String message, Throwable cause) { 62 super(message, cause); 63 } 64 65 /** 66 * Returns the message and the hexdump of the unknown part. 67 */ 68 public String getMessage() { 69 String message = super.getMessage(); 70 71 if (message == null) { 72 message = ""; 73 } 74 75 if (hexdump != null) { 76 return message + ((message.length() > 0) ? " " : "") + "(Hexdump: " 77 + hexdump + ')'; 78 } else { 79 return message; 80 } 81 } 82 83 /** 84 * Returns the hexdump of the unknown message part. 85 */ 86 public String getHexdump() { 87 return hexdump; 88 } 89 90 /** 91 * Sets the hexdump of the unknown message part. 92 */ 93 public void setHexdump(String hexdump) { 94 if (this.hexdump != null) { 95 throw new IllegalStateException( 96 "Hexdump cannot be set more than once."); 97 } 98 this.hexdump = hexdump; 99 } 100 }