package com.java110.db;
|
|
import org.apache.shardingsphere.shardingjdbc.api.yaml.YamlShardingDataSourceFactory;
|
import org.springframework.context.annotation.Bean;
|
import org.springframework.context.annotation.Configuration;
|
import org.springframework.core.io.ClassPathResource;
|
import org.springframework.core.io.Resource;
|
|
import javax.servlet.Filter;
|
import javax.sql.DataSource;
|
import java.io.ByteArrayOutputStream;
|
import java.io.FileNotFoundException;
|
import java.io.IOException;
|
import java.io.InputStream;
|
import java.io.Reader;
|
import java.io.UnsupportedEncodingException;
|
import java.sql.SQLException;
|
|
/**
|
* 数据源配置
|
*/
|
@Configuration
|
public class DataSourceConfig {
|
|
//@Autowired
|
private Filter statFilter;
|
|
private static final String SHARDING_YML_PATH = "dataSource.yml";
|
|
/**
|
* 构建dataSource
|
* 这里没有使用ShardingDataSourceFactory
|
* 因为要为durid数据源配置监听Filter
|
*
|
* @return 数据源对象
|
* @throws SQLException sql异常
|
* @throws IOException IO 异常
|
* @since 1.8
|
*/
|
@Bean
|
public DataSource dataSource() throws SQLException, IOException {
|
// YamlShardingConfiguration config = parse();
|
// YamlShardingRuleConfiguration rule = config.getShardingRule();
|
// for (String key : config.getDataSources().keySet()) {
|
// DruidDataSource d = (DruidDataSource) config.getDataSources().get(key);
|
// d.setProxyFilters(Lists.newArrayList(statFilter));
|
// }
|
// return ShardingDataSourceFactory.createDataSource(config.getDataSources(),
|
// rule.getShardingRuleConfiguration(), config.getConfigMap(), config.getProps());
|
|
return YamlShardingDataSourceFactory.createDataSource(getYmlFile());
|
}
|
|
/**
|
* 解析yml
|
*
|
* @return yaml 配置文件
|
* @throws IOException IO 异常
|
* @throws FileNotFoundException 文件未发现异常
|
* @throws UnsupportedEncodingException 不支持编码异常
|
*/
|
private byte[] getYmlFile() throws IOException {
|
Reader reader = null;
|
InputStream inputStream = null;
|
ByteArrayOutputStream swapStream = null;
|
try {
|
Resource resource = new ClassPathResource(SHARDING_YML_PATH);
|
|
inputStream = resource.getInputStream();
|
swapStream = new ByteArrayOutputStream();
|
byte[] buff = new byte[100];
|
int rc = 0;
|
while ((rc = inputStream.read(buff, 0, 100)) > 0) {
|
swapStream.write(buff, 0, rc);
|
}
|
byte[] in2b = swapStream.toByteArray();
|
return in2b;
|
} finally {
|
if (inputStream != null) {
|
inputStream.close();
|
}
|
if (swapStream != null) {
|
swapStream.close();
|
}
|
}
|
}
|
}
|
