sqlexceptiontranslator.java

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/*
 * Copyright 2002-2006 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.jdbc.support;

import java.sql.SQLException;

import org.springframework.dao.DataAccessException;

/**
 * Strategy interface for translating between {@link SQLException SQLExceptions}
 * and Spring's data access strategy-agnostic {@link DataAccessException}
 * hierarchy.
 *
 * <p>Implementations can be generic (for example, using
 * {@link java.sql.SQLException#getSQLState() SQLState} codes for JDBC) or wholly
 * proprietary (for example, using Oracle error codes) for greater precision.
 *
 * @author Rod Johnson
 * @see org.springframework.dao.DataAccessException
 */
public interface SQLExceptionTranslator {

	/** 
	 * Translate the given {@link SQLException} into a generic {@link DataAccessException}.
	 * @param task readable text describing the task being attempted
	 * @param sql SQL query or update that caused the problem. May be <code>null</code>.
	 * @param ex the offending <code>SQLException</code> 
	 * @return the DataAccessException to throw 
	 */
	DataAccessException translate(String task, String sql, SQLException ex);

}