ApplicationConfig.java

package com.oreilly.springdata.jdbc;

import javax.sql.DataSource;

import org.apache.commons.dbcp.BasicDataSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.core.env.Environment;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;

/**
 * @author Thomas Risberg
 */
@Configuration
@EnableTransactionManagement
@ComponentScan
@PropertySource("classpath:jdbc.properties")
class ApplicationConfig {

	@Autowired
	Environment env;

	@Bean
	public DataSource dataSource() {
		BasicDataSource ds = new BasicDataSource();
		ds.setDriverClassName(env.getProperty("jdbc.driverClassName"));
		ds.setUrl(env.getProperty("jdbc.url"));
		ds.setUsername(env.getProperty("jdbc.username"));
		ds.setPassword(env.getProperty("jdbc.password"));
		return ds;
	}

	@Bean
	public PlatformTransactionManager transactionManager() {
		DataSourceTransactionManager txManager = new DataSourceTransactionManager();
		txManager.setDataSource(dataSource());
		return txManager;
	}
}