spring的基于java的项目配置示例1

spring的基于java的项目配置示例。

import org.springframework.web.context.AbstractContextLoaderInitializer;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;

public class CmsAppInitializer extends AbstractContextLoaderInitializer {

	@Override
	protected WebApplicationContext createRootApplicationContext() {
		AnnotationConfigWebApplicationContext applicationContext = new AnnotationConfigWebApplicationContext();
	    applicationContext.register(RootConfig.class);
	    return applicationContext;
	}

}

import java.util.Properties;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.config.PropertiesFactoryBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.context.annotation.ImportResource;
import org.springframework.context.annotation.PropertySource;
import org.springframework.context.annotation.PropertySources;
import org.springframework.context.support.PropertySourcesPlaceholderConfigurer;
import org.springframework.core.env.Environment;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import com.xxx.springutil.failfast.FailFastFromPropertyAndSystemProperty;

@Configuration
@ComponentScan(basePackages={"com.xxx.cms"})
@PropertySources({
	@PropertySource(value="classpath:/hs-cms-srv-properties/hs-cms-srv-env.properties"),
	@PropertySource(value="file:${appHome}/hs-cms-srv-env.properties", ignoreResourceNotFound=true)
})
@ImportResource(value = {
	"classpath:/hs-cms-srv-config/spring-memcached.xml",
//	"classpath:/hs-cms-srv-config/spring-elasticsearch.xml",
	"classpath:/hs-cms-srv-config/spring-dubbo.xml",
	"classpath:/hs-core-srv-client-config/context-client.xml",
	"classpath:/hs-cms-srv-config/spring-redis-client.xml",
	"classpath*:/hs-mq-client-config/spring-jms-common.xml",
	"classpath*:/hs-mq-client-config/spring-jms-producer.xml"
})
@Import({
	MybatisConfig.class, 
	ElasticSearchConfig.class
	})
public class RootConfig {

	@Autowired
	Environment env;
	
	@Bean
	public static PropertySourcesPlaceholderConfigurer propertyPlaceholderConfigurer() {
		final PropertySourcesPlaceholderConfigurer pspc = new PropertySourcesPlaceholderConfigurer();
		pspc.setIgnoreResourceNotFound(true);
		pspc.setIgnoreUnresolvablePlaceholders(true);
		return pspc;
	}
	
	@Bean
	public PropertiesFactoryBean appProps() {
		PropertiesFactoryBean pfb = new PropertiesFactoryBean();
		pfb.setSingleton(true);
		
		Properties properties = new Properties();
		properties.put("appEnv", env.getProperty("hs.admin.env", "dev"));
		pfb.setProperties(properties);
		
		return pfb;
	}
	
	@Bean
	public FailFastFromPropertyAndSystemProperty failFastFromPropertyAndSystemProperty() {
		FailFastFromPropertyAndSystemProperty ff = new FailFastFromPropertyAndSystemProperty();
		ff.setIfExistSystemPropertyVar("appHome");
		ff.setPropertyValueBySpring(env.getProperty("hs.cms.srv.env", "dev"));
		ff.setStopWhenPropertyEqualsThisValue("dev");
		return ff;
	}
	
	@Bean
	public ThreadPoolTaskExecutor taskExcutor() {
		ThreadPoolTaskExecutor taskExcutor = new ThreadPoolTaskExecutor();
		taskExcutor.setCorePoolSize(16);
		taskExcutor.setMaxPoolSize(32);
		taskExcutor.setQueueCapacity(64);
		return taskExcutor;
	}
	
}

import org.apache.ibatis.session.ExecutorType;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.SqlSessionTemplate;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.DependsOn;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.core.io.support.ResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.support.TransactionTemplate;

import com.xxx.dao.GenericMybatisDao;
import com.xxx.passwordencrypt.DbPasswordFactoryBean;
import com.alibaba.druid.pool.DruidDataSource;

@Configuration
public class MybatisConfig {
	
	private final static String ENV_PRODUCT = "product";
	private final static String ENV_BETA = "beta";
	
	@Value("${hs.cms.srv.env}")
	private String env;
	
	@Value("${hs.cms.srv.jdbc.druid.driverClassName}")
	private String driverClassName;
	@Value("${hs.cms.srv.jdbc.druid.url}")
	private String jdbcUrl;
	@Value("${hs.cms.srv.jdbc.druid.username}")
	private String username;
	@Value("${hs.cms.srv.jdbc.druid.password}")
	private String password;
	@Value("${hs.cms.srv.jdbc.druid.initialSize}")
	private Integer initialSize;
	@Value("${hs.cms.srv.jdbc.druid.maxActive}")
	private Integer maxActive;
//	@Value("${hs.cms.srv.jdbc.druid.maxIdle}")
//	private Integer maxIdle;
	@Value("${hs.cms.srv.jdbc.druid.minIdle}")
	private Integer minIdle;
	@Value("${hs.cms.srv.jdbc.druid.maxWait}")
	private Integer maxWait;
//	@Value("${hs.cms.srv.jdbc.druid.removeAbandoned}")
//	private Boolean removeAbandoned;
//	@Value("${hs.cms.srv.jdbc.druid.removeAbandonedTimeout}")
//	private Integer removeAbandonedTimeout;
	
	private boolean needDecryptPassword() {
		return ENV_PRODUCT.equals(env) || ENV_BETA.equals(env);
	}
	
	@Bean(initMethod = "init", destroyMethod = "close")
	@DependsOn()
	public DruidDataSource dataSource() throws Exception {
		
		if (needDecryptPassword()) {
			DbPasswordFactoryBean dbPasswordFactoryBean = new DbPasswordFactoryBean();
			dbPasswordFactoryBean.setCryptWord(password);
			password = dbPasswordFactoryBean.getObject();
		}
		
		DruidDataSource dataSource = new DruidDataSource();
		dataSource.setDriverClassName(driverClassName);
		dataSource.setUrl(jdbcUrl);
		dataSource.setUsername(username);
		dataSource.setPassword(password);
		dataSource.setInitialSize(initialSize);
		dataSource.setMaxActive(maxActive);
//		dataSource.setMaxIdle(maxIdle);
		dataSource.setMinIdle(minIdle);
		dataSource.setMaxWait(maxWait);
		dataSource.setTestOnBorrow(true);
		dataSource.setTestOnReturn(false);
		dataSource.setTestWhileIdle(true);
		dataSource.setFilters("mergeStat");
		dataSource.setValidationQuery("SELECT 1");
		dataSource.setPoolPreparedStatements(true);// MySQL的4.1.0后可开启服务端PreparedStatement的缓存优化
		dataSource.setMaxPoolPreparedStatementPerConnectionSize(20);// 设置单个数据库连接缓存的PreparedStatement的条数
//		dataSource.setRemoveAbandoned(removeAbandoned);
//		dataSource.setRemoveAbandonedTimeout(removeAbandonedTimeout);
		
//		<property name="filters" value="stat" />
//		<property name="minEvictableIdleTimeMillis" value="300000" />
//		<property name="timeBetweenEvictionRunsMillis" value="60000" />
//		<property name="validationQuery" value="SELECT 1" />
//		<property name="testWhileIdle" value="true" />
//		<property name="testOnBorrow" value="false" />
//		<property name="testOnReturn" value="false" />
		
		return dataSource;
	}
	
	@Bean
    public DataSourceTransactionManager transactionManager() throws Exception {
        return new DataSourceTransactionManager(dataSource());
    }
	
	@Bean
	public TransactionTemplate transactionTemplate() throws Exception {
		TransactionTemplate txTemplate = new TransactionTemplate();
		txTemplate.setTransactionManager(transactionManager());
		return txTemplate;
	}
	
	@Bean
    public SqlSessionFactory sqlSessionFactory() throws Exception {
        SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();
        sessionFactory.setDataSource(dataSource());
//        sessionFactory.setTypeAliasesPackage("com.huasheng.cms.channel.common.domain");
//        sessionFactory.setTypeHandlersPackage("com.huasheng.cms.dao.mybatis.typehandler");
        Resource configLocation = new ClassPathResource("/hs-cms-srv-mybatis/mybatis-configuration.xml");
        sessionFactory.setConfigLocation(configLocation);
        ResourcePatternResolver patternResolver = new PathMatchingResourcePatternResolver();   
        Resource [] mappingLocations = patternResolver.getResources("classpath*:/hs-cms-srv-mybatis/**/*Mapper.xml");
        sessionFactory.setMapperLocations(mappingLocations);
        return sessionFactory.getObject();
    }
	
	@Bean
	public SqlSessionTemplate sqlSessionTemplate() throws Exception {
		return new SqlSessionTemplate(sqlSessionFactory());
	}
	
	@Bean
	public SqlSessionTemplate sqlSessionTemplateBatch() throws Exception {
		return new SqlSessionTemplate(sqlSessionFactory(), ExecutorType.BATCH);
	}
	
	@Bean
	public GenericMybatisDao dao() throws Exception {
		GenericMybatisDao dao = new GenericMybatisDao();
		dao.setMybatisTemplate(sqlSessionTemplate());
		return dao;
	}
	
	@Bean
	public GenericMybatisDao batchDao() throws Exception {
		GenericMybatisDao dao = new GenericMybatisDao();
		dao.setMybatisTemplate(sqlSessionTemplateBatch());
		return dao;
	}
	
}