chartgenerator.java

《Java网络程序设计.rar》包括三个网络程序的源代码。

/*
 * ChartFactory.java
 *
 * Created on January 27, 2002, 8:11 PM
 */

package org.impact.stars.control.web.outputs;

import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.awt.image.*;
import java.io.*;
import java.util.*;
import javax.swing.*;

import com.sun.image.codec.jpeg.*;

import com.jrefinery.chart.*;
import com.jrefinery.chart.demo.*;
import com.jrefinery.chart.data.*;
import com.jrefinery.chart.ui.*;
import com.jrefinery.data.*;
import com.jrefinery.ui.*;
/**
 *
 * @author  cai
 * @version
 */
public class ChartGenerator {
    
    /** Creates new ChartFactory */
    private String chartTitle = "Chart";
    private String xmark = "xmark";
    private String ymark = "ymark";
    
    CategoryDataset acategoryData;
    
    public ChartGenerator() {
    }
    
    public void setChartTitle(String ctitle) {
        chartTitle = ctitle;
    }
    
    public void setXmark(String xm) {
        xmark = xm;
    }
    
    public void setYmark(String ym) {
        ymark = ym;
    }
    
    public CategoryDataset getCategoryDataset() {
        
        return acategoryData;
        
    }
    
    public void setCategoryDataset(CategoryDataset cds) {
        
       // categoryData = new DefaultCategoryDataset(acdata);
        acategoryData = cds;
    }

    
    
    private Color getColor(int color) {
        
        switch (color % 11) {
            case 0: return Color.white;
            case 1: return Color.black;
            case 2: return Color.blue;
            case 3: return Color.green;
            case 4: return Color.red;
            case 5: return Color.yellow;
            case 6: return Color.gray;
            case 7 : return Color.orange;
            case 8: return Color.cyan;
            case 9: return Color.magenta;
            case 10: return Color.pink;
            default: return Color.white;
        }
        
    }
    
    /**
     * Creates and returns a category dataset for the demo charts.
     */
    public CategoryDataset createCategoryDataset() {
        
        Number[][] data = new Integer[][] {
            
            { new Integer(10), new Integer(4), new Integer(15), new Integer(14) },
            { new Integer(5), new Integer(7), new Integer(14), new Integer(3) },
            { new Integer(6), new Integer(17), new Integer(12), new Integer(7) },
            { new Integer(7), new Integer(15), new Integer(11), new Integer(0) },
            { new Integer(8), new Integer(6), new Integer(10), new Integer(9) },
            { new Integer(9), new Integer(8), new Integer(8), new Integer(6) },
            { new Integer(10), new Integer(9), new Integer(7), new Integer(7) },
            { new Integer(11), new Integer(13), new Integer(9), new Integer(9) },
            { new Integer(3), new Integer(7), new Integer(11), new Integer(10) }
        };
        
        return new DefaultCategoryDataset(data);
        
    }
    
    
    
    /**
     * Returns a java.util.Date for the specified year, month and day.
     */
    private Date createDate(int year, int month, int day) {
        GregorianCalendar calendar = new GregorianCalendar(year, month, day);
        return calendar.getTime();
    }
    
    /**
     * Returns a java.util.Date for the specified year, month, day, hour and minute.
     */
    private Date createDateTime(int year, int month, int day, int hour, int minute) {
        GregorianCalendar calendar = new GregorianCalendar(year, month, day, hour, minute);
        return calendar.getTime();
    }
    
    /**
     * Creates and returns a XYDataset for the demo charts.
     */
    public XYDataset createTestXYDataset() {
        
        Object[][][] data = new Object[][][] { {
            { createDateTime(2000, Calendar.OCTOBER, 18, 9, 5), new Double(10921.0) },
            { createDateTime(2000, Calendar.OCTOBER, 18, 10, 6), new Double(10886.7) },
            { createDateTime(2000, Calendar.OCTOBER, 18, 11, 6), new Double(10846.6) },
            { createDateTime(2000, Calendar.OCTOBER, 18, 12, 6), new Double(10843.7) },
            { createDateTime(2000, Calendar.OCTOBER, 18, 13, 6), new Double(10841.2) },
            { createDateTime(2000, Calendar.OCTOBER, 18, 14, 6), new Double(10830.7) },
            { createDateTime(2000, Calendar.OCTOBER, 18, 15, 6), new Double(10795.8) },
            { createDateTime(2000, Calendar.OCTOBER, 18, 16, 7), new Double(10733.8) }
        } };
        
        return new DefaultXYDataset(data);
    }
    
    
    /**
     * Creates and returns a sample high-low dataset for the demo.  Added by Andrzej Porebski.
     */
    public HighLowDataset createHighLowDataset() {
        
        Object[][][] data = new Object[][][] { {
            { createDate(1999, Calendar.JANUARY,4), new Double(47) },
            { createDate(1999, Calendar.JANUARY,4), new Double(33) },
            { createDate(1999, Calendar.JANUARY,4), new Double(35) },
            { createDate(1999, Calendar.JANUARY,4), new Double(33) },
            
            { createDate(1999, Calendar.JANUARY,5), new Double(47) },
            { createDate(1999, Calendar.JANUARY,5), new Double(32) },
            { createDate(1999, Calendar.JANUARY,5), new Double(41) },
            { createDate(1999, Calendar.JANUARY,5), new Double(37) },
            
            { createDate(1999, Calendar.JANUARY,6), new Double(49) },
            { createDate(1999, Calendar.JANUARY,6), new Double(43) },
            { createDate(1999, Calendar.JANUARY,6), new Double(46) },
            { createDate(1999, Calendar.JANUARY,6), new Double(48) },
            
            { createDate(1999, Calendar.JANUARY,7), new Double(51) },
            { createDate(1999, Calendar.JANUARY,7), new Double(39) },
            { createDate(1999, Calendar.JANUARY,7), new Double(40) },
            { createDate(1999, Calendar.JANUARY,7), new Double(47) },
            
            { createDate(1999, Calendar.JANUARY,8), new Double(60) },
            { createDate(1999, Calendar.JANUARY,8), new Double(40) },
            { createDate(1999, Calendar.JANUARY,8), new Double(46) },
            { createDate(1999, Calendar.JANUARY,8), new Double(53) },
            
            { createDate(1999, Calendar.JANUARY,9), new Double(62) },
            { createDate(1999, Calendar.JANUARY,9), new Double(55) },
            { createDate(1999, Calendar.JANUARY,9), new Double(57) },
            { createDate(1999, Calendar.JANUARY,9), new Double(61) },
            
            { createDate(1999, Calendar.JANUARY,10), new Double(65) },
            { createDate(1999, Calendar.JANUARY,10), new Double(56) },
            { createDate(1999, Calendar.JANUARY,10), new Double(62) },
            { createDate(1999, Calendar.JANUARY,10), new Double(59) },
            
            { createDate(1999, Calendar.JANUARY,11), new Double(55) },
            { createDate(1999, Calendar.JANUARY,11), new Double(43) },
            { createDate(1999, Calendar.JANUARY,11), new Double(45) },
            { createDate(1999, Calendar.JANUARY,11), new Double(47) },
            
            { createDate(1999, Calendar.JANUARY,12), new Double(54) },
            { createDate(1999, Calendar.JANUARY,12), new Double(33) },
            { createDate(1999, Calendar.JANUARY,12), new Double(40) },
            { createDate(1999, Calendar.JANUARY,12), new Double(51) },
            
            { createDate(1999, Calendar.JANUARY,13), new Double(58) },
            { createDate(1999, Calendar.JANUARY,13), new Double(42) },
            { createDate(1999, Calendar.JANUARY,13), new Double(44) },
            { createDate(1999, Calendar.JANUARY,13), new Double(57) },
            
            { createDate(1999, Calendar.JANUARY,14), new Double(54) },
            { createDate(1999, Calendar.JANUARY,14), new Double(38) },
            { createDate(1999, Calendar.JANUARY,14), new Double(43) },
            { createDate(1999, Calendar.JANUARY,14), new Double(52) },
            
            { createDate(1999, Calendar.JANUARY,15), new Double(48) },
            { createDate(1999, Calendar.JANUARY,15), new Double(41) },
            { createDate(1999, Calendar.JANUARY,15), new Double(44) },
            { createDate(1999, Calendar.JANUARY,15), new Double(41) },
            
            { createDate(1999, Calendar.JANUARY,17), new Double(60) },
            { createDate(1999, Calendar.JANUARY,17), new Double(30) },
            { createDate(1999, Calendar.JANUARY,17), new Double(34) },
            { createDate(1999, Calendar.JANUARY,17), new Double(44) },
            
            { createDate(1999, Calendar.JANUARY,18), new Double(58) },
            { createDate(1999, Calendar.JANUARY,18), new Double(44) },
            { createDate(1999, Calendar.JANUARY,18), new Double(54) },
            { createDate(1999, Calendar.JANUARY,18), new Double(56) },
            
            { createDate(1999, Calendar.JANUARY,19), new Double(54) },
            { createDate(1999, Calendar.JANUARY,19), new Double(32) },
            { createDate(1999, Calendar.JANUARY,19), new Double(42) },
            { createDate(1999, Calendar.JANUARY,19), new Double(53) },
            
            { createDate(1999, Calendar.JANUARY,20), new Double(53) },
            { createDate(1999, Calendar.JANUARY,20), new Double(39) },
            { createDate(1999, Calendar.JANUARY,20), new Double(50) },
            { createDate(1999, Calendar.JANUARY,20), new Double(49) },
            
            { createDate(1999, Calendar.JANUARY,21), new Double(47) },
            { createDate(1999, Calendar.JANUARY,21), new Double(38) },
            { createDate(1999, Calendar.JANUARY,21), new Double(41) },
            { createDate(1999, Calendar.JANUARY,21), new Double(40) },
            
            { createDate(1999, Calendar.JANUARY,22), new Double(55) },
            { createDate(1999, Calendar.JANUARY,22), new Double(37) },
            { createDate(1999, Calendar.JANUARY,22), new Double(43) },
            { createDate(1999, Calendar.JANUARY,22), new Double(45) },
            
            { createDate(1999, Calendar.JANUARY,23), new Double(54) },
            { createDate(1999, Calendar.JANUARY,23), new Double(42) },
            { createDate(1999, Calendar.JANUARY,23), new Double(50) },
            { createDate(1999, Calendar.JANUARY,23), new Double(42) },
            
            { createDate(1999, Calendar.JANUARY,24), new Double(48) },
            { createDate(1999, Calendar.JANUARY,24), new Double(37) },
            { createDate(1999, Calendar.JANUARY,24), new Double(37) },
            { createDate(1999, Calendar.JANUARY,24), new Double(47) },
            
            { createDate(1999, Calendar.JANUARY,25), new Double(58) },
            { createDate(1999, Calendar.JANUARY,25), new Double(33) },
            { createDate(1999, Calendar.JANUARY,25), new Double(39) },
            { createDate(1999, Calendar.JANUARY,25), new Double(41) },
            
            { createDate(1999, Calendar.JANUARY,26), new Double(47) },
            { createDate(1999, Calendar.JANUARY,26), new Double(31) },
            { createDate(1999, Calendar.JANUARY,26), new Double(36) },
            { createDate(1999, Calendar.JANUARY,26), new Double(41) },
            
            { createDate(1999, Calendar.JANUARY,27), new Double(58) },
            { createDate(1999, Calendar.JANUARY,27), new Double(44) },
            { createDate(1999, Calendar.JANUARY,27), new Double(49) },
            { createDate(1999, Calendar.JANUARY,27), new Double(44) },
            
            { createDate(1999, Calendar.JANUARY,28), new Double(46) },
            { createDate(1999, Calendar.JANUARY,28), new Double(41) },
            { createDate(1999, Calendar.JANUARY,28), new Double(43) },
            { createDate(1999, Calendar.JANUARY,28), new Double(44) },
            
            { createDate(1999, Calendar.JANUARY,29), new Double(56) },
            { createDate(1999, Calendar.JANUARY,29), new Double(39) },
            { createDate(1999, Calendar.JANUARY,29), new Double(39) },
            { createDate(1999, Calendar.JANUARY,29), new Double(51) },