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 */ 017package org.apache.camel; 018 019/** 020 * Exception when failing during type conversion. 021 * 022 * @version 023 */ 024public class TypeConversionException extends RuntimeCamelException { 025 private static final long serialVersionUID = -6118520819865759886L; 026 027 private final transient Object value; 028 private final transient Class<?> type; 029 030 public TypeConversionException(Object value, Class<?> type, Throwable cause) { 031 super(createMessage(value, type, cause), cause); 032 this.value = value; 033 this.type = type; 034 } 035 036 /** 037 * Returns the value which could not be converted 038 */ 039 public Object getValue() { 040 return value; 041 } 042 043 /** 044 * Returns the required <tt>to</tt> type 045 */ 046 public Class<?> getToType() { 047 return type; 048 } 049 050 /** 051 * Returns the required <tt>from</tt> type. 052 * Returns <tt>null</tt> if the provided value was null. 053 */ 054 public Class<?> getFromType() { 055 if (value != null) { 056 return value.getClass(); 057 } else { 058 return null; 059 } 060 } 061 062 /** 063 * Returns an error message for type conversion failed. 064 */ 065 public static String createMessage(Object value, Class<?> type, Throwable cause) { 066 return "Error during type conversion from type: " + (value != null ? value.getClass().getCanonicalName() : null) 067 + " to the required type: " + type.getCanonicalName() + " with value " + value + " due " + cause.getMessage(); 068 } 069 070} 071 072