package com.yihu.ehr.common;


import com.yihu.ehr.common.config.SysConfig;
import com.yihu.ehr.dbhelper.jdbc.DBHelper;
import com.yihu.ehr.service.thread.CrawlerSupplyThread;
import com.yihu.ehr.service.thread.CrawlerThread;
import com.yihu.ehr.service.thread.StandardUpdateThread;
import com.yihu.ehr.service.thread.ThreadManage;
import com.yihu.ehr.util.log.LogUtil;

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Properties;

/**
 * 线程启动执行
 * add by hzp at 2016-03-17
 */
public class ThreadStart implements ServletContextListener {

    private static Properties prop = new Properties();
    private String log4jDirKey = "log4j";

    @Override
    public void contextInitialized(ServletContextEvent context) {
        try {
            String home = System.getProperty("catalina.home").replace('\\','/');
            String homeUrl = home.substring(0,home.lastIndexOf('/')+1);
            crawlerConfig(homeUrl);
            startThread();
        } catch (Exception e) {
            System.out.print(e.getStackTrace().toString());
        }
    }

    @Override
    public void contextDestroyed(ServletContextEvent context) {


    }

    /**
     * 采集配置
     * @param homeUrl
     * @throws Exception
     */
    private void crawlerConfig(String homeUrl) throws Exception {
        System.setProperty(log4jDirKey, homeUrl + "log4j");
        SysConfig.getInstance().setTempFile(homeUrl + "standard");
    }

    /**
     * 启动线程
     */
    private void startThread() {
        try {
            DBHelper db = new DBHelper();
            Object obj = db.scalar("select param_value from system_param where param_key='ORG_CODE'");
            if (obj != null) {
                SysConfig.getInstance().setOrgCode(obj.toString());
            }
            Thread crawlerThread = new Thread(new CrawlerThread());
            Thread crawlerSupplyThread = new Thread(new CrawlerSupplyThread());
            Thread standardUpdateThread = new Thread(new StandardUpdateThread());
            ThreadManage.add(ThreadManage.CRAWLER_THREAD, crawlerThread);
            ThreadManage.add(ThreadManage.CRAWLER_SUPPLY_THREAD, crawlerSupplyThread);
            ThreadManage.add(ThreadManage.STANDARD_UPDATE_THREAD, standardUpdateThread);
            ThreadManage.setCrawlerInterval();
            ThreadManage.setUpdateInterval();
            //启动线程
            crawlerThread.start();
            crawlerSupplyThread.start();
            standardUpdateThread.start();
        }
        catch (Exception e)
        {
            LogUtil.error(e.getStackTrace().toString());
        }
    }



}