/*
* Copyright 2002-2011 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.orm.hibernate3;
import org.hibernate.HibernateException;
import org.hibernate.JDBCException;
import org.springframework.dao.DataAccessException;
import org.springframework.dao.support.PersistenceExceptionTranslator;
import org.springframework.jdbc.support.SQLExceptionTranslator;
/**
* {@link PersistenceExceptionTranslator} capable of translating {@link HibernateException}
* instances to Spring's {@link DataAccessException} hierarchy.
*
* <p>When configuring the Spring container via XML, note that this translator is
* automatically used internally by {@link SessionFactoryBean} types. When configuring
* the container with {@code @Configuration} classes, a {@code @Bean} of this type
* must be registered manually.
*
* @author Chris Beams
* @since 3.1
* @see SessionFactoryBuilder
* @see org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor
* @see SessionFactoryUtils#convertHibernateAccessException(HibernateException)
* @see SQLExceptionTranslator
*/
public class HibernateExceptionTranslator implements PersistenceExceptionTranslator {
private SQLExceptionTranslator jdbcExceptionTranslator;
public DataAccessException translateExceptionIfPossible(RuntimeException ex) {
if (ex instanceof HibernateException) {
return convertHibernateAccessException((HibernateException) ex);
}
return null;
}
/**
* Convert the given HibernateException to an appropriate exception from the
* {@code org.springframework.dao} hierarchy.
* <p>Will automatically apply a specified SQLExceptionTranslator to a
* Hibernate JDBCException, else rely on Hibernate's default translation.
* @param ex HibernateException that occured
* @return a corresponding DataAccessException
* @see SessionFactoryUtils#convertHibernateAccessException
* @see #setJdbcExceptionTranslator
*/
protected DataAccessException convertHibernateAccessException(HibernateException ex) {
if (this.jdbcExceptionTranslator != null && ex instanceof JDBCException) {
JDBCException jdbcEx = (JDBCException) ex;
return this.jdbcExceptionTranslator.translate(
"Hibernate operation: " + jdbcEx.getMessage(), jdbcEx.getSQL(), jdbcEx.getSQLException());
}
return SessionFactoryUtils.convertHibernateAccessException(ex);
}
/**
* Set the JDBC exception translator for the SessionFactory,
* exposed via the PersistenceExceptionTranslator interface.
* <p>Applied to any SQLException root cause of a Hibernate JDBCException,
* overriding Hibernate's default SQLException translation (which is
* based on Hibernate's Dialect for a specific target database).
* @param jdbcExceptionTranslator the exception translator
* @see java.sql.SQLException
* @see org.hibernate.JDBCException
* @see org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator
* @see org.springframework.jdbc.support.SQLStateSQLExceptionTranslator
* @see org.springframework.dao.support.PersistenceExceptionTranslator
*/
public void setJdbcExceptionTranslator(SQLExceptionTranslator jdbcExceptionTranslator) {
this.jdbcExceptionTranslator = jdbcExceptionTranslator;
}
}