/*
* Copyright 2004-2008 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.binding.mapping.results;
import org.springframework.binding.expression.EvaluationException;
import org.springframework.binding.expression.PropertyNotFoundException;
import org.springframework.binding.expression.ValueCoercionException;
import org.springframework.binding.mapping.Mapping;
/**
* Indicates an exception occurred accessing the target object to be mapped to. Used to report source
* {@link PropertyNotFoundException} errors and general {@link EvaluationException} errors.
* @author Keith Donald
*/
public class TargetAccessError extends AbstractMappingResult {
private Object originalValue;
private EvaluationException cause;
/**
* Creates a new target access error.
* @param originalValue the value that was attempted to be mapped
* @param cause the underlying evaluation exception that occurred
*/
public TargetAccessError(Mapping mapping, Object originalValue, EvaluationException cause) {
super(mapping);
this.originalValue = originalValue;
this.cause = cause;
}
public String getCode() {
if (cause instanceof PropertyNotFoundException) {
return "propertyNotFound";
} else if (cause instanceof ValueCoercionException) {
return "typeMismatch";
} else {
return "evaluationException";
}
}
public boolean isError() {
return true;
}
public Throwable getErrorCause() {
return cause;
}
public Object getOriginalValue() {
return originalValue;
}
public Object getMappedValue() {
return null;
}
}