futuresmap.java

一个画股票曲线并发送邮件的程序。 采用freechart和javamail技术。

package com.shfe.mail;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2005</p>
 *
 * <p>Company: NCS</p>
 *
 * @author JianJun
 * @version 1.0
 */
import java.util.*;

public class FuturesMap {
    Map resultMap=new HashMap();
    private static FuturesMap instance = null;

    private FuturesMap() {
        //setFuturesData();
    }
    public static synchronized FuturesMap getInstance() {
        if(instance==null){
            instance = new FuturesMap();
        }
        return instance;
    }

    synchronized public void setFuturesData(){
        SimpleDAO dao = new SimpleDAO();
        ProcessData process = new ProcessData();
        java.util.List futures = dao.getFuturesData();
        double closePrice = dao.closePrice;
        double openPrice = dao.openPrice;
        String title = dao.title;

        ScaleBean scale = process.computScale(futures, closePrice);
        java.util.List points = process.computePoint(futures, openPrice, scale);
        resultMap.put("closePrice",new Double(closePrice));
        resultMap.put("openPrice",new Double(openPrice));
        resultMap.put("title",title);
        resultMap.put("scale",scale);
        resultMap.put("points",points);
    }
    synchronized public void setFuturesData(Map inputMap){
        ProcessData process = new ProcessData();
        java.util.List futures = (java.util.List)inputMap.get("futures");
        double closePrice = ((Double)inputMap.get("closePrice")).doubleValue();
        double openPrice = ((Double)inputMap.get("openPrice")).doubleValue();
        String title = (String)inputMap.get("title");

        ScaleBean scale = process.computScale(futures, closePrice);
        java.util.List points = process.computePoint(futures, openPrice, scale);
        resultMap.put("closePrice",new Double(closePrice));
        resultMap.put("openPrice",new Double(openPrice));
        resultMap.put("title",title);
        resultMap.put("scale",scale);
        resultMap.put("points",points);
    }

    synchronized public Map getFuturesData(){
        return resultMap;
    }
    synchronized public void clearData(){
        if(resultMap!=null) resultMap.clear();
    }
}