001/* 002 * Copyright 2002-2016 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.core.convert; 018 019import org.springframework.util.ObjectUtils; 020 021/** 022 * Exception to be thrown when an actual type conversion attempt fails. 023 * 024 * @author Keith Donald 025 * @author Juergen Hoeller 026 * @since 3.0 027 */ 028@SuppressWarnings("serial") 029public class ConversionFailedException extends ConversionException { 030 031 private final TypeDescriptor sourceType; 032 033 private final TypeDescriptor targetType; 034 035 private final Object value; 036 037 038 /** 039 * Create a new conversion exception. 040 * @param sourceType the value's original type 041 * @param targetType the value's target type 042 * @param value the value we tried to convert 043 * @param cause the cause of the conversion failure 044 */ 045 public ConversionFailedException(TypeDescriptor sourceType, TypeDescriptor targetType, Object value, Throwable cause) { 046 super("Failed to convert from type [" + sourceType + "] to type [" + targetType + 047 "] for value '" + ObjectUtils.nullSafeToString(value) + "'", cause); 048 this.sourceType = sourceType; 049 this.targetType = targetType; 050 this.value = value; 051 } 052 053 054 /** 055 * Return the source type we tried to convert the value from. 056 */ 057 public TypeDescriptor getSourceType() { 058 return this.sourceType; 059 } 060 061 /** 062 * Return the target type we tried to convert the value to. 063 */ 064 public TypeDescriptor getTargetType() { 065 return this.targetType; 066 } 067 068 /** 069 * Return the offending value. 070 */ 071 public Object getValue() { 072 return this.value; 073 } 074 075}