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Spring Expression Language (SpEL)

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/*
 * Copyright 2002-2013 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.ParseException;

/**
 * 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
 */
@SuppressWarnings("serial")
public class SpelParseException extends ParseException {

	private final SpelMessage message;

	private final Object[] inserts;


	public SpelParseException(String expressionString, int position, SpelMessage message, Object... inserts) {
		super(expressionString, position, message.formatMessage(position,inserts));
		this.position = position;
		this.message = message;
		this.inserts = inserts;
	}

	public SpelParseException(int position, SpelMessage message, Object... inserts) {
		super(position, message.formatMessage(position,inserts));
		this.position = position;
		this.message = message;
		this.inserts = inserts;
	}

	public SpelParseException(int position, Throwable cause, SpelMessage message, Object... inserts) {
		super(position, message.formatMessage(position,inserts), cause);
		this.position = position;
		this.message = message;
		this.inserts = inserts;
	}


	/**
	 * @return a formatted message with inserts applied
	 */
	@Override
	public String getMessage() {
		return (this.message != null ? this.message.formatMessage(this.position, this.inserts)
				: super.getMessage());
	}

	/**
	 * @return the message code
	 */
	public SpelMessage getMessageCode() {
		return this.message;
	}

	/**
	 * @return the message inserts
	 */
	public Object[] getInserts() {
		return this.inserts;
	}

}