confactory.java

来自「监控整个SP系统的SMS信息通道的发送情况并且生成日志。 支持权限判断。」· Java 代码 · 共 46 行

package com.infobank.monitoringSystem.util;

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

import javax.naming.Context;
import javax.naming.InitialContext;
import javax.sql.DataSource;


public class ConFactory implements IConFactory {
	private static ConFactory ConFactory = new ConFactory();
	private ConnectionFactory conFactory = null;
	private final String DBNAME = "java:comp/env/jdbc/systemDB";
//	private final String ENVNAME = "java:comp/env";
	Connection conn=null;
	private ConFactory() {
		initDBCP();
	}
	public static ConFactory getInstance() {
		return ConFactory;
	}

	public Connection getConnection() throws SQLException {
//		if (conFactory == null)
//			return null;
//		return conFactory.getConnection();
		try {
			InitialContext ctx = new InitialContext();
			javax.sql.DataSource connectionPool = (javax.sql.DataSource) ctx.lookup("java:comp/env/jdbc/systemDB");
	
	        conn = connectionPool.getConnection();
		} catch (Exception e) {
			// TODO: handle exception
		}
		
		          
		          return conn;

	}

	public void initDBCP() {
		conFactory = new ConnectionFactory( DBNAME);
	}
}