barchart_jsp.java

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package org.apache.jsp;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import org.apache.commons.logging.Log;
import java.io.IOException;
import org.apache.commons.logging.LogFactory;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import java.awt.Color;
import org.jfree.chart.renderer.category.BarRenderer3D;
import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.plot.CategoryPlot;

public final class barchart_jsp extends org.apache.jasper.runtime.HttpJspBase
    implements org.apache.jasper.runtime.JspSourceDependent {

  private static final JspFactory _jspxFactory = JspFactory.getDefaultFactory();

  private static java.util.List _jspx_dependants;

  private javax.el.ExpressionFactory _el_expressionfactory;
  private org.apache.AnnotationProcessor _jsp_annotationprocessor;

  public Object getDependants() {
    return _jspx_dependants;
  }

  public void _jspInit() {
    _el_expressionfactory = _jspxFactory.getJspApplicationContext(getServletConfig().getServletContext()).getExpressionFactory();
    _jsp_annotationprocessor = (org.apache.AnnotationProcessor) getServletConfig().getServletContext().getAttribute(org.apache.AnnotationProcessor.class.getName());
  }

  public void _jspDestroy() {
  }

  public void _jspService(HttpServletRequest request, HttpServletResponse response)
        throws java.io.IOException, ServletException {

    PageContext pageContext = null;
    HttpSession session = null;
    ServletContext application = null;
    ServletConfig config = null;
    JspWriter out = null;
    Object page = this;
    JspWriter _jspx_out = null;
    PageContext _jspx_page_context = null;


    try {
      response.setContentType("text/html");
      pageContext = _jspxFactory.getPageContext(this, request, response,
      			null, true, 8192, true);
      _jspx_page_context = pageContext;
      application = pageContext.getServletContext();
      config = pageContext.getServletConfig();
      session = pageContext.getSession();
      out = pageContext.getOut();
      _jspx_out = out;

      out.write("\n");
      out.write(" \n");
      out.write(" \n");
      out.write(" \n");
      out.write(" \n");
      out.write("\n");
      out.write(" \n");
      out.write(" \n");
      out.write(" \n");
      out.write(" \n");
      out.write(" \n");
      out.write(" \n");
      out.write(" \n");
      out.write("\n");
      out.write(" \n");
      out.write(" \n");
      out.write(" \n");
      out.write(" \n");
      out.write(" \n");
      out.write("\n");
 
DefaultCategoryDataset dataset        =      new     DefaultCategoryDataset();
dataset.addValue( 150 ,     " A " ,     " ?? " );
dataset.addValue( 530 ,     " B " ,     " ?? " );
dataset.addValue( 160 ,     " C " ,     " ?? " );
dataset.addValue( 160 ,     " D " ,     " ?? " );
dataset.addValue( 160 ,     " E " ,     " ?? " );
//dataset.addValue( 120 ,     " ?? " ,     " ?? " );
//dataset.addValue( 230 ,     " ?? " ,     " ?? " );
//dataset.addValue( 360 ,     " ?? " ,     " ?? " );
//dataset.addValue( 600 ,     " ?? " ,     " ?? " );
//dataset.addValue( 430 ,     " ?? " ,     " ?? " );
//dataset.addValue( 560 ,     " ?? " ,     " ?? " );
//dataset.addValue( 400 ,     " ?? " ,     " ?? " );
//dataset.addValue( 530 ,     " ?? " ,     " ?? " );
//dataset.addValue( 660 ,     " ?? " ,     " ?? " );
//dataset.addValue( 500 ,     " ?? " ,     " ?? " );
//dataset.addValue( 630 ,     " ?? " ,     " ?? " );
//dataset.addValue( 430 ,     " ?? " ,     " ?? " );
//dataset.addValue( 500 ,     " ?? " ,     " ?? " );
//dataset.addValue( 630 ,     " ?? " ,     " ?? " );
//dataset.addValue( 430 ,     " ?? " ,     " ?? " );

JFreeChart chart     =     ChartFactory.createBarChart3D( " ???????-By Alpha " , " ????-http://www.blogjava.net/Alpha/ " , " ?? " ,dataset,PlotOrientation.VERTICAL, true , false , false );
chart.setBackgroundPaint(Color.WHITE);
CategoryPlot plot     =     chart.getCategoryPlot();

CategoryAxis domainAxis     =     plot.getDomainAxis();
// domainAxis.setVerticalCategoryLabels( false );
plot.setDomainAxis(domainAxis);

BarRenderer3D renderer     =      new     BarRenderer3D();
renderer.setBaseOutlinePaint(Color.BLACK);

// ??????????????????
renderer.setItemMargin( 0.1 );
// ????????????????????
renderer.setItemLabelGenerator( new     StandardCategoryItemLabelGenerator());
renderer.setItemLabelsVisible( true );
plot.setRenderer(renderer);

//???????
plot.setForegroundAlpha( 0.8f);
ChartUtilities.writeChartAsJPEG(response.getOutputStream(),chart, 640 , 400 );

      out.write(' ');
      out.write('\n');
    } catch (Throwable t) {
      if (!(t instanceof SkipPageException)){
        out = _jspx_out;
        if (out != null && out.getBufferSize() != 0)
          try { out.clearBuffer(); } catch (java.io.IOException e) {}
        if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
      }
    } finally {
      _jspxFactory.releasePageContext(_jspx_page_context);
    }
  }
}