report.java

Traveling Salesman Problem Java Genetic Algorithm Solution, Hope all enjoy it.

                datatable.getDefaultCell().setGrayFill(0.97f);
            }

            datatable.getDefaultCell().setHorizontalAlignment(Element.ALIGN_RIGHT);
            datatable.addCell(new Phrase(numberFormatter.format(i+1),numberFont));
            datatable.getDefaultCell().setHorizontalAlignment(Element.ALIGN_LEFT);
            datatable.addCell(new Phrase(cities[i].getName(),tableHeaderFont));
            datatable.getDefaultCell().setHorizontalAlignment(Element.ALIGN_RIGHT);
            datatable.addCell(new Phrase(numberFormatter.format(cities[i].getSJTSKX()),numberFont));
            datatable.addCell(new Phrase(numberFormatter.format(cities[i].getSJTSKY()),numberFont));
            String distanceText="0";
            String totalDistanceText="0";
            double distance=0;
            if(i>0) {
            	if(i==49) {
            		int ii=0;
            		ii++;
            	}
               distance=cities[i].distance(cities[i-1],false);
               distanceText=numberFormatter.format((int)distance);
               totalDistance+=distance;
               totalDistanceText=numberFormatter.format((int)totalDistance);
            }
            datatable.addCell(new Phrase(distanceText,numberFont));
            datatable.addCell(new Phrase(totalDistanceText,numberFont));

            //switch of gray colour
            datatable.getDefaultCell().setGrayFill(0.0f);
        }
        document.add(datatable);

        document.close();
    }
    

   
   /** Image for page header **/
   Image headerImage;

   /** The headertable. **/
   PdfPTable headerTable;
   
   /** A template that will hold the total number of pages. **/
   PdfTemplate tpl;
   
   /** The font that will be used. for header/footer **/
   BaseFont headerFont;
   
   /**
    * @see com.lowagie.text.pdf.PdfPageEventHelper#onOpenDocument(com.lowagie.text.pdf.PdfWriter, com.lowagie.text.Document)
    */
    @Override
   public void onOpenDocument(PdfWriter writer, Document document) {
       try {
          headerFont = BaseFont.createFont("Helvetica", BaseFont.WINANSI, false);

          String projectURL="http://www.saiko.cz/ai/tsp/";
          
          // initialization of the header table
           headerImage = Image.getInstance(getClass().getResource("/org/saiko/etc/logo2.jpg"));
           headerTable=new PdfPTable(1);
           PdfPTable table = new PdfPTable(2);
           
           Paragraph p = new Paragraph();
           p.setLeading(0,2);
           
           p.add(new Chunk("Traveling Salesman Problem\n", new Font(Font.HELVETICA, 16, Font.BOLDITALIC, Color.blue)));
           p.add(new Chunk("Application report\n\n", new Font(Font.HELVETICA, 12, Font.NORMAL)));
           Anchor link = new Anchor(projectURL, new Font(Font.HELVETICA, 11, Font.NORMAL));
           link.setReference(projectURL);
           p.add(link);

           p.add(new Chunk("\n\n"+parameters.get(PARAM_COMPUTATION_TIME)+"\n", new Font(Font.HELVETICA, 11, Font.NORMAL)));
           
           table.getDefaultCell().setBackgroundColor(Color.WHITE);
           table.getDefaultCell().setBorderWidth(0);
           
           PdfPCell cell = new PdfPCell(p);
           cell.setPadding(20);
           cell.setBorderWidth(0);
           table.addCell(cell);
           
           table.getDefaultCell().setHorizontalAlignment(Element.ALIGN_RIGHT);
           table.addCell(new Phrase(new Chunk(headerImage, 0, 0)));

           headerTable.addCell(table);
           // initialization of the template
           tpl = writer.getDirectContent().createTemplate(100, 100);
           tpl.setBoundingBox(new Rectangle(-20, -20, 100, 100));
       }
       catch(Exception e) {
           throw new ExceptionConverter(e);
       }
   }    
   
   /**
    * @see com.lowagie.text.pdf.PdfPageEventHelper#onEndPage(com.lowagie.text.pdf.PdfWriter, com.lowagie.text.Document)
    */
   @Override
   public void onEndPage(PdfWriter writer, Document document) {
       PdfContentByte cb = writer.getDirectContent();
       cb.saveState();
       // write the headertable
       if(writer.getPageNumber()!=2) {
          headerTable.setTotalWidth(document.getPageSize().width() - 60);
          headerTable.writeSelectedRows(0, -1, 30, document.getPageSize().top()-30, cb);
       }
       // compose the footer
       String text = "page " + writer.getPageNumber() + " of ";
       float textSize = headerFont.getWidthPoint(text, 10);
       float textBase = 40;
       cb.beginText();
       cb.setFontAndSize(headerFont, 10);

       float adjust = headerFont.getWidthPoint("0", 10);
       cb.setTextMatrix(document.right() - textSize - adjust, textBase);
       cb.showText(text);
       cb.endText();
       cb.addTemplate(tpl, document.right() - adjust, textBase);

       cb.saveState();
       // draw a Rectangle around the page
       cb.setLineWidth(1);
       cb.rectangle(30, 30, document.getPageSize().width() - 60, document.getPageSize().height() - 60);
       cb.stroke();
       cb.restoreState();
   }
   
 
   /**
    * @see com.lowagie.text.pdf.PdfPageEventHelper#onCloseDocument(com.lowagie.text.pdf.PdfWriter, com.lowagie.text.Document)
    */
   @Override
   public void onCloseDocument(PdfWriter writer, Document document) {
      //add total page count to footer
      tpl.beginText();
      tpl.setFontAndSize(headerFont, 10);
      tpl.setTextMatrix(0, 0);
      tpl.showText("" + (writer.getPageNumber() - 1));
      tpl.endText();
   }
   
   /**
    * @return map of system properties for creating report
    */
   protected static Map<String,String> getSystemProperties() {
      Map<String,String> p=new LinkedHashMap<String,String>();
      
      p.put("availableProcessors",String.valueOf(Runtime.getRuntime().availableProcessors()));
      p.put("freeMemory",numberFormatter.format(Runtime.getRuntime().freeMemory()));
      p.put("totalMemory",numberFormatter.format(Runtime.getRuntime().totalMemory()));
      p.put("maxMemory",numberFormatter.format(Runtime.getRuntime().maxMemory()));

      //info from System.getProperty
      String props[] = new String[] {
         "java.vm.name",
         "java.vm.vendor",
         "java.vm.version",
         "os.name",
         "os.version",
         "os.arch",
         "sun.arch.data.model"
      };
      for(String prop:props) {
         p.put(prop,System.getProperty(prop));
      }

      //info from System.env
      String envs[] = new String[] {
            "PROCESSOR_IDENTIFIER",
            "NUMBER_OF_PROCESSORS",
            "OS",
      };
      for(String env:envs) {
         p.put(env,System.getenv(env));
      }           
      
      return p;
   }   
   

   /**
    * @param tsp - the application (result)
    * @return map of result properties
    */
   protected static Map<String,String> getResultInfo(TSP tsp) {
      Map<String,String> p=new LinkedHashMap<String,String>();
      
      p.put(Report.PARAM_COMPUTATION_TIME,new SimpleDateFormat("yyyy/MM/dd HH:mm").format(Calendar.getInstance().getTime()));
      p.put("Program version",TSP.getAppVersion());
      p.put("TSPEngine",tsp.engineName);
      p.put("Map file",tsp.mapFile);
      p.put("Map file hash",getMapHash(tsp.mapFile));
      p.put("Number of cities",Report.numberFormatter.format(tsp.cities.length));
      p.put("Init. population size",Report.numberFormatter.format(tsp.configuration.initialPopulationSize));
      p.put("Population growth",Report.numberFormatter.format(tsp.configuration.populationGrow));
      if(tsp.engine!=null)
         p.put("Final population size",Report.numberFormatter.format(tsp.engine.getPopulationSize()));
      p.put("Mutation ratio",Report.numberFormatter.format(tsp.configuration.mutationRatio));
      p.put("RMS cost",tsp.configuration.rmsCost ? "true" : "false");
      p.put("Generation",Report.numberFormatter.format(tsp.generation));
      p.put("Time",Report.numberFormatter.format((int)(tsp.runTime/1000))+" s.");
      p.put("Best cost age",Report.numberFormatter.format(tsp.bestCostAge));
      if(tsp.bestChromosome!=null)
         p.put("Best distance",Report.numberFormatter.format((int)tsp.bestChromosome.totalDistance));
      
      return p;
   }   
   
   /**
    * Create hash for map file
    * @param mapFile
    * @return SHA hash of map file converted into BASE64 encoding
    */
  protected static String getMapHash(String mapFile) {
     InputStream i=new Object().getClass().getResourceAsStream("/org/saiko/ai/genetics/tsp/etc/"+mapFile+".csv");
     if(i==null) return null;
     try {
        byte b[]=new byte[1024];
        int size;
        ByteArrayOutputStream buffer=new ByteArrayOutputStream();
        while((size=i.read(b))>0) {
           buffer.write(b,0,size);
        }
        i.close();
        MessageDigest digest=MessageDigest.getInstance("SHA");
        return new BASE64Encoder().encode(digest.digest(buffer.toByteArray()));
     } catch(Throwable e) {
        return null;
     }
  }   
}