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 * An exception thrown if a value could not be converted to the required type 021 * 022 * @version 023 */ 024public class NoTypeConversionAvailableException extends CamelException { 025 private static final long serialVersionUID = -8721487434390572636L; 026 027 private final transient Object value; 028 private final transient Class<?> type; 029 030 public NoTypeConversionAvailableException(Object value, Class<?> type) { 031 super(createMessage(value, type)); 032 this.value = value; 033 this.type = type; 034 } 035 036 public NoTypeConversionAvailableException(Object value, Class<?> type, Throwable cause) { 037 super(createMessage(value, type, cause), cause); 038 this.value = value; 039 this.type = type; 040 } 041 042 /** 043 * Returns the value which could not be converted 044 */ 045 public Object getValue() { 046 return value; 047 } 048 049 /** 050 * Returns the required <tt>to</tt> type 051 */ 052 public Class<?> getToType() { 053 return type; 054 } 055 056 /** 057 * Returns the required <tt>from</tt> type. 058 * Returns <tt>null</tt> if the provided value was null. 059 */ 060 public Class<?> getFromType() { 061 if (value != null) { 062 return value.getClass(); 063 } else { 064 return null; 065 } 066 } 067 068 /** 069 * Returns an error message for no type converter available. 070 */ 071 public static String createMessage(Object value, Class<?> type) { 072 return "No type converter available to convert from type: " + (value != null ? value.getClass().getCanonicalName() : null) 073 + " to the required type: " + type.getCanonicalName() + " with value " + value; 074 } 075 076 /** 077 * Returns an error message for no type converter available with the cause. 078 */ 079 public static String createMessage(Object value, Class<?> type, Throwable cause) { 080 return "Converting Exception when converting from type: " 081 + (value != null ? value.getClass().getCanonicalName() : null) + " to the required type: " 082 + type.getCanonicalName() + " with value " + value + ", which is caused by " + cause; 083 } 084}