org.reusables.dbunit.handler.DataSourceOperationHandler.java Source code

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Here is the source code for org.reusables.dbunit.handler.DataSourceOperationHandler.java

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/*
 * Copyright 2010-2012 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.reusables.dbunit.handler;

import java.sql.Connection;
import java.sql.SQLException;

import javax.sql.DataSource;

import org.reusables.test.SpringTestUtils;

import org.springframework.jdbc.support.JdbcUtils;
import org.springframework.test.context.TestContext;

/**
 * Handler for a JDBC task using a {@link DataSource} bean from a Spring test context.
 * 
 * @author marcel
 */
public class DataSourceOperationHandler extends AbstractOperationHandler {
    /**
     * @param testContext The Spring test context containing the application context.
     */
    public DataSourceOperationHandler(final TestContext testContext) {
        super(testContext);
    }

    /**
     * @param task The task to handle.
     * @return False if the {@link DataSource} bean was not present.
     */
    @Override
    public boolean handleOperation(final JdbcTask task) {
        final DataSource dataSource = getDataSource();

        if (dataSource != null) {
            Connection connection = null;

            try {
                connection = dataSource.getConnection();
                task.execute(connection);
                connection.close();
                return true;
            } catch (final SQLException e) {
                throw new RuntimeException("Error executing JDBC task.", e);
            } finally {
                JdbcUtils.closeConnection(connection);
            }
        }
        return false;
    }

    /**
     * @return The {@link DataSource} to use.
     */
    protected DataSource getDataSource() {
        return SpringTestUtils.findBeanByType(getTestContext().getApplicationContext(), DataSource.class);
    }
}