loadsysteminfo.java

一个成熟的论坛

package com.singnet.servlet;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import javax.servlet.http.HttpServlet;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.singnet.data.Constants;
 
public class LoadSystemInfo extends HttpServlet implements
		ServletContextListener {
	
	private static final Log logger = LogFactory.getLog(LoadSystemInfo.class);

	public void contextInitialized(ServletContextEvent event) {
		// TODO Auto-generated method stub
		String rootpath = event.getServletContext().getRealPath("/");
		if(rootpath != null){
			rootpath.replaceAll("\\\\", "/");
		}else{
			rootpath = "/";
		}
		
		if(!rootpath.endsWith("/")){
			rootpath = rootpath + "/";
		}
		
		Constants.ROOT_PATH = rootpath;
		logger.info("Application path is: " + rootpath);
		
		Properties prop = new Properties();
	    InputStream stream = this.getClass().getResourceAsStream(
	        "/configpath.properties");
	    
	    try {
	        prop.load(stream);
	        String config_path = prop.getProperty("config_path");
	        if (!config_path.endsWith("/")) {
	          config_path = config_path + "/";
	        }
	        if (config_path.equals("/") || config_path.equals("/WEB-INF/")) {
	          Constants.ROOT_PATH = rootpath + "WEB-INF/";
	        }
	        else {
	          Constants.ROOT_PATH = config_path;
	        }
	      }
	      catch (IOException ex) {
	        logger.error(ex);
	        Constants.ROOT_PATH = rootpath + "WEB-INF/";
	      }
	      logger.info("Application Run ConfigPath:" + Constants.ROOT_PATH);

	}

	public void contextDestroyed(ServletContextEvent event) {
		// TODO Auto-generated method stub

	}

}