datasourcelistener.java

来自「本人大学时大型作业用JAVA做的一个 BBS系统 模式MVC 非struts版 」· Java 代码 · 共 30 行

package listener;
import javax.naming.*;
import javax.servlet.*;
import db.*;
public class DataSourceListener implements ServletContextListener
{
	private ServletContext scx;
	public static String JNDI_NAME;
	public void contextInitialized(ServletContextEvent sce)
	{
		try
		{
			scx=sce.getServletContext();
			String className=scx.getInitParameter("classname");
			JNDI_NAME=className;
			DataSourceConfig config=(DataSourceConfig)(Class.forName(className).newInstance());
			config.init(scx,scx.getInitParameter("xmlFile"));
			Context ctx=new InitialContext();
			ctx.bind(JNDI_NAME,config.getDataSource());
		}
		catch(Exception e)
		{
			scx.log(e,"listener");
		}
	}
	public void contextDestroyed(ServletContextEvent sce)
	{
		scx=null;
	}
}