80 lines
2.2 KiB
Java
80 lines
2.2 KiB
Java
package com.nms.server.util;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.net.URL;
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import java.sql.Connection;
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import java.sql.SQLException;
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import java.util.Properties;
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import org.apache.log4j.Logger;
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import com.alibaba.druid.pool.DruidDataSource;
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import com.nms.server.common.Constants;
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public class DruidPool {
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private static DruidDataSource ds;
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private static Logger logger = Logger.getLogger(DruidPool.class);
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public static void initPool() throws SQLException {
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URL urlObj = DruidPool.class.getClassLoader().getResource("druid.properties");
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Properties properties = new Properties();
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if(urlObj==null){
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System.err.println("找不到配置文件：druid.properties");
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logger.error("No configuration file can be found: druid.properties");
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System.exit(0);
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}else{
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try {
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properties.load(new FileInputStream(urlObj.getPath().replaceAll("%20", " ")));
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logger.debug("配置文件：druid.properties 加载完成");
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} catch (IOException e) {
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logger.error("Reading properties file error"+"",e);
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}
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}
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ds = new DruidDataSource();
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ds.setUrl(Constants.DB_URL);
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ds.setDriverClassName(Constants.DB_DRIVER);
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ds.setUsername(Constants.DB_USER_NAME);
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ds.setPassword(Constants.DB_PASSWORD);
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ds.configFromPropety(properties);
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ds.setName("Druid连接池");
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ds.setMaxWait(Constants.DRUID_MAXWAIT_MILLIS);//最大等待时间
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ds.init();
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logger.debug("Druid初始化连接池成功,"+ds.toString());
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}
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public static Connection getConnection() throws SQLException{
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Connection connection = ds.getConnection();
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logger.debug("获取连接成功");
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boolean closed = connection.isClosed();
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if( closed){
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logger.warn("connection.toString()->" + connection.toString());
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}
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logger.debug("closed("+closed+"),autoCommit="+connection.getAutoCommit()+", "+ ds.toString());
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connection.setAutoCommit(true);
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return connection;
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}
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public static void shutdown(){
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if(ds != null){
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ds.close();
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}
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}
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public static void main(String[] args) {
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try {
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initPool();
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Connection connection = getConnection();
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System.out.println(connection);
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} catch (SQLException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}
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}
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