/*
* Copyright 2004-2009 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.expression.spel;
import org.springframework.expression.EvaluationException;
/**
* Root exception for Spring EL related exceptions. Rather than holding a hard coded string indicating the problem, it
* records a message key and the inserts for the message. See {@link SpelMessage} for the list of all possible messages
* that can occur.
*
* @author Andy Clement
* @since 3.0
*/
public class SpelEvaluationException extends EvaluationException {
private SpelMessage message;
private Object[] inserts;
public SpelEvaluationException(SpelMessage message, Object... inserts) {
super(message.formatMessage(0, inserts)); // TODO poor position information, can the callers not really supply something?
this.message = message;
this.inserts = inserts;
}
public SpelEvaluationException(int position, SpelMessage message, Object... inserts) {
super(position, message.formatMessage(position, inserts));
this.message = message;
this.inserts = inserts;
}
public SpelEvaluationException(int position, Throwable cause,
SpelMessage message, Object... inserts) {
super(position,message.formatMessage(position,inserts),cause);
this.message = message;
this.inserts = inserts;
}
public SpelEvaluationException(Throwable cause, SpelMessage message, Object... inserts) {
super(message.formatMessage(0,inserts),cause);
this.message = message;
this.inserts = inserts;
}
/**
* @return a formatted message with inserts applied
*/
@Override
public String getMessage() {
if (message != null)
return message.formatMessage(position, inserts);
else
return super.getMessage();
}
/**
* @return the message code
*/
public SpelMessage getMessageCode() {
return this.message;
}
/**
* Set the position in the related expression which gave rise to this exception.
*
* @param position the position in the expression that gave rise to the exception
*/
public void setPosition(int position) {
this.position = position;
}
/**
* @return the message inserts
*/
public Object[] getInserts() {
return inserts;
}
}
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