001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.camel; 018 019 /** 020 * An exception thrown if a value could not be converted to the required type 021 * 022 * @version $Revision: 775486 $ 023 */ 024 public class NoTypeConversionAvailableException extends CamelException { 025 private final transient Object value; 026 private final transient Class type; 027 028 public NoTypeConversionAvailableException(Object value, Class type) { 029 super(createMessage(value, type)); 030 this.value = value; 031 this.type = type; 032 } 033 034 public NoTypeConversionAvailableException(Object value, Class type, Throwable cause) { 035 this(value, type); 036 initCause(cause); 037 } 038 039 /** 040 * Returns the value which could not be converted 041 */ 042 public Object getValue() { 043 return value; 044 } 045 046 /** 047 * Returns the required <tt>to</tt> type 048 */ 049 public Class getToType() { 050 return type; 051 } 052 053 /** 054 * Returns the required <tt>from</tt> type. 055 * Returns <tt>null</tt> if the provided value was null. 056 */ 057 public Class getFromType() { 058 if (value != null) { 059 return value.getClass(); 060 } else { 061 return null; 062 } 063 } 064 065 /** 066 * Returns an error message for no type converter available. 067 */ 068 public static String createMessage(Object value, Class type) { 069 return "No type converter available to convert from type: " + (value != null ? value.getClass().getCanonicalName() : null) 070 + " to the required type: " + type.getCanonicalName() + " with value " + value; 071 } 072 073 }