/*
* Copyright 2002-2016 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.datasource.init;
import java.sql.Connection;
import javax.sql.DataSource;
import org.springframework.dao.DataAccessException;
import org.springframework.jdbc.datasource.DataSourceUtils;
import org.springframework.util.Assert;
/**
* Utility methods for executing a {@link DatabasePopulator}.
*
* @author Juergen Hoeller
* @author Oliver Gierke
* @author Sam Brannen
* @since 3.1
*/
public abstract class DatabasePopulatorUtils {
/**
* Execute the given {@link DatabasePopulator} against the given {@link DataSource}.
* @param populator the {@code DatabasePopulator} to execute
* @param dataSource the {@code DataSource} to execute against
* @throws DataAccessException if an error occurs, specifically a {@link ScriptException}
*/
public static void execute(DatabasePopulator populator, DataSource dataSource) throws DataAccessException {
Assert.notNull(populator, "DatabasePopulator must not be null");
Assert.notNull(dataSource, "DataSource must not be null");
try {
Connection connection = DataSourceUtils.getConnection(dataSource);
try {
populator.populate(connection);
}
finally {
if (connection != null) {
DataSourceUtils.releaseConnection(connection, dataSource);
}
}
}
catch (Throwable ex) {
if (ex instanceof ScriptException) {
throw (ScriptException) ex;
}
throw new UncategorizedScriptException("Failed to execute database script", ex);
}
}
}