mapperservlet.java

实现网络GPS定位车辆的位置

                {
                 ////PrintWriter out = new PrintWriter(res.getOutputStream());
                 ////String thisServletName = HttpUtils.getRequestURL(req).toString();

                 //sDistance = new java.text.DecimalFormat("###.##").format(iDistance);
                 //res.encodeURL(sDistance);
                 //sDistance.toStream(res.getOutputStream());
                 ////out.println(res.encodeURL(thisServletName));

                 ////out.print("the fucking distance :"+sDistance);
                //// System.out.println("test" + sDistance);
                ////out.close();
                  PrintWriter out = new PrintWriter(res.getOutputStream());
                  String thisServletName = HttpUtils.getRequestURL(req).toString();
                  res.encodeURL(String.valueOf(iDistance).toString());
                  out.println(String.valueOf(iDistance).toString());

                  System.out.println("the period of distance : "+ String.valueOf(iDistance).toString());
                  out.close();

                }


           } // End if tool used

        }


 //解析收到的定位信息
  public  Vector getPosMessage(String Msg)
 {

      Vector v=new Vector();
      String k="";
      double j=0.0;
      String ff="";

      String sub="/";
      String result="";
      String dd="";
//          0000000000000000$GPRMC 064935.000 A 3955.5850 N 11619.6262 E 009 312 281004  *FF
//          0000000000000400$GPRMC 221018.000 V 4057.3118 N 11757.6691 E 000 120 031104  *FF
//in_string=0000000000000000$GPRMC 084754.000 V 4057.3174 N 11757.6659 E 000 144 051104  *FF
      int index1=Msg.indexOf(" ");
      int index2=Msg.indexOf(" ",index1+1);
      int index3=Msg.indexOf(" ",index2+1);
      int index4=Msg.indexOf(" ",index3+1);
             k=Msg.substring(index3+3,index4);
             j = Double.valueOf(k).doubleValue()/60;
             DecimalFormat nf = new DecimalFormat("0.####");
             ff =nf.format(j);
             ff = ff.substring(2,ff.length());
//               ff = Integer.toString(j);

      String Latitude=Msg.substring(index3+1,index3+3)+"."+ff;
//               double Lati=Double.parseDouble(Latitude)*0.01;
//               Latitude=String.valueOf(Lati);
      int index5=Msg.indexOf(" ",index4+1);
      int index6=Msg.indexOf(" ",index5+1);

      k=Msg.substring(index5+4,index6);
      j =  Double.valueOf(k).doubleValue()/60;
//        DecimalFormat nf = new DecimalFormat("0.####");
      ff =nf.format(j);
      ff = ff.substring(2,ff.length());

//        ff = Integer.toString(j);
      String Longitude=Msg.substring(index5+1,index5+4)+"."+ff;
//               double Longi=Double.parseDouble(Longitude)*0.01;
//               Longitude=String.valueOf(Longi);
      int index7=Msg.indexOf(" ",index6+1);
      int index8=Msg.indexOf(" ",index7+1);
      String Speed=Msg.substring(index7+1,index8);
             double Sp=Double.parseDouble(Speed)*1.85;
             Speed=String.valueOf(Sp);
      int index9=Msg.indexOf(" ",index8+1);
      int index10=Msg.indexOf(" ",index9+1);

      String Date=Msg.substring(index9+1,index10);
             Date = Date.substring(0,2)+"/"+Date.substring( 2,4)+"/" +Date.substring(4);
      String Time = Msg.substring(index1+1,index2);
      String OriginalHours = Time.substring(0,2);
      int Add_Hours = (Integer.parseInt(OriginalHours)+8);
             if(Add_Hours>24){
               Add_Hours = Add_Hours-24;
             }
       String AlterHours=String.valueOf(Add_Hours);
             Time = AlterHours+":"+Time.substring(2,4)+":" +Time.substring(4,6);
      Date = Date+" "+Time;
       v.addElement(Latitude);
       v.addElement(Longitude);
       v.addElement(Speed);
       v.addElement(Date);

       return v;
 }

/*//////////////////////////////////////////////////////////////////////////////////////////////////
转换字符
///////////////////////////////////////////////////////////////////////////////////////////////////*/
         public static String convertToChinese(String chineseStr)
         {
           if(chineseStr != null)
           {
             try
             {
             chineseStr = new String(chineseStr.getBytes("ISO8859_1"), "GBK");
             }
             catch(Exception e)
             {
               e.printStackTrace();
             }
           }
           return chineseStr;
  }
/*//////////////////////////////////////////////////////////////////////////////////////////////////
显示车辆
///////////////////////////////////////////////////////////////////////////////////////////////////*/

 public boolean showResult(MapJ mapj,DoublePoint m_dPoint,String tel) {
 String StrAnnLayerName = tel;//"AnnLayer";
 Layer lyrAnn;
  Attribute attrib[] = new Attribute[7];
  attrib[0] = new Attribute(tel);
  attrib[1] = new Attribute("china");
  attrib[2] = new Attribute("beijng");
  attrib[3] = new Attribute("bj");
  attrib[4] = new Attribute("100000");
  attrib[5] = new Attribute(116.196084);
  attrib[6] = new Attribute(39.555990);

  String columns[] = {"Name", "Address", "city", "State", "Zip", "x", "y"};
  int types[] = { TableInfo.COLUMN_TYPE_STRING,
    TableInfo.COLUMN_TYPE_STRING,
    TableInfo.COLUMN_TYPE_STRING,
    TableInfo.COLUMN_TYPE_STRING,
    TableInfo.COLUMN_TYPE_STRING,
    TableInfo.COLUMN_TYPE_DOUBLE,
    TableInfo.COLUMN_TYPE_DOUBLE};
 if (mapj.getLayers().getLayer(StrAnnLayerName)!=null) {
   lyrAnn = mapj.getLayers().getLayer(StrAnnLayerName);
   if (!lyrAnn.isAnnotationLayer()) return false;
     try {
       ArrayList columns_a = new ArrayList();
       TableInfo tabInfo = lyrAnn.getTableInfo();
       for (int i=0; i<tabInfo.getColumnCount();++i) {
         columns_a.add(tabInfo.getColumnName(i));
       }
       RewindableFeatureSet rFtrSet = new RewindableFeatureSet(lyrAnn.searchAll(columns_a, null));
       Feature ftr = rFtrSet.getNextFeature();
       while (ftr != null) {
         lyrAnn.removeFeature(ftr.getPrimaryKey());
         ftr = rFtrSet.getNextFeature();
       }
       rFtrSet.dispose();
     } catch (Exception ed) {
       ed.printStackTrace();
       return false;
     }
   }else {
     try {
       CoordSys curCoordSys = mapj.getNumericCoordSys();
       int[] primarykey = new int[1];

       TableInfoImpl tii = new TableInfoImpl(StrAnnLayerName, curCoordSys, columns, types,7,primarykey, false);
       AnnotationTableDescHelper annTDHelper = new AnnotationTableDescHelper(StrAnnLayerName);
       AnnotationDataProviderHelper annDPHelper = new AnnotationDataProviderHelper(tii);
       LocalDataProviderRef localDPRef = new LocalDataProviderRef(annDPHelper);
       lyrAnn = mapj.getLayers().insert(localDPRef, annTDHelper, 0, StrAnnLayerName);
     } catch (Exception e) {
       e.printStackTrace();
       return false;
     }
   }
//创建车辆
   Rendition rend = RenditionImpl.getDefaultRendition();
   rend.setValue(Rendition.SYMBOL_MODE ,Rendition.SymbolMode.IMAGE );
   rend.setValue(Rendition.SYMBOL_URL,"http://219.237.4.34:8080/samples47/images/car.gif");
//沿线绘制车辆轨迹

   //创建Feature,然后加入到AnnLayer。
   PrimaryKey pkey = new PrimaryKey(attrib);
   FeatureFactory ff = mapj.getFeatureFactory();
   try {
     Feature feat = ff.createPoint(m_dPoint,rend,attrib, pkey);
     lyrAnn.setVisible(true);
     lyrAnn.addFeature(feat);

     BaseLabelProperties blp = new BaseLabelProperties();
     blp = lyrAnn.getLabelProperties();
     blp.setLabelExpression(columns[0]);

     lyrAnn.setLabelProperties(blp);
     lyrAnn.setAutoLabel(true);

   } catch (Exception ec) {
     ec.printStackTrace();
     return false;
   }
   return true;
 }

 /*//////////////////////////////////////////////////////////////////////////////////////////////////
显示车辆
///////////////////////////////////////////////////////////////////////////////////////////////////*/

 public boolean showName(MapJ mapj,DoublePoint m_dPoint,String m_name) {
 String StrAnnLayerName = m_name;//"PlaceNameLayer";
 Layer lyrAnn;
  Attribute attrib[] = new Attribute[7];
  attrib[0] = new Attribute(m_name);
  attrib[1] = new Attribute("china");
  attrib[2] = new Attribute("beijng");
  attrib[3] = new Attribute("bj");
  attrib[4] = new Attribute("100000");
  attrib[5] = new Attribute(116.196084);
  attrib[6] = new Attribute(39.555990);

  String columns[] = {"Name", "Address", "city", "State", "Zip", "x", "y"};
  int types[] = { TableInfo.COLUMN_TYPE_STRING,
    TableInfo.COLUMN_TYPE_STRING,
    TableInfo.COLUMN_TYPE_STRING,
    TableInfo.COLUMN_TYPE_STRING,
    TableInfo.COLUMN_TYPE_STRING,
    TableInfo.COLUMN_TYPE_DOUBLE,
    TableInfo.COLUMN_TYPE_DOUBLE};
 if (mapj.getLayers().getLayer(StrAnnLayerName)!=null) {
   lyrAnn = mapj.getLayers().getLayer(StrAnnLayerName);
   if (!lyrAnn.isAnnotationLayer()) return false;
     try {
       ArrayList columns_a = new ArrayList();
       TableInfo tabInfo = lyrAnn.getTableInfo();
       for (int i=0; i<tabInfo.getColumnCount();++i) {
         columns_a.add(tabInfo.getColumnName(i));
       }
       RewindableFeatureSet rFtrSet = new RewindableFeatureSet(lyrAnn.searchAll(columns_a, null));
       Feature ftr = rFtrSet.getNextFeature();
       while (ftr != null) {
         lyrAnn.removeFeature(ftr.getPrimaryKey());
         ftr = rFtrSet.getNextFeature();
       }
       rFtrSet.dispose();
     } catch (Exception ed) {
       ed.printStackTrace();
       return false;
     }
   }else {
     try {
       CoordSys curCoordSys = mapj.getNumericCoordSys();
       int[] primarykey = new int[1];
       TableInfoImpl tii = new TableInfoImpl(StrAnnLayerName, curCoordSys, columns, types,7,primarykey, false);
       AnnotationTableDescHelper annTDHelper = new AnnotationTableDescHelper(StrAnnLayerName);
       AnnotationDataProviderHelper annDPHelper = new AnnotationDataProviderHelper(tii);
       LocalDataProviderRef localDPRef = new LocalDataProviderRef(annDPHelper);
       lyrAnn = mapj.getLayers().insert(localDPRef, annTDHelper, 0, StrAnnLayerName);
     } catch (Exception e) {
       e.printStackTrace();
       return false;
     }
   }
//创建车辆
   Rendition rend = RenditionImpl.getDefaultRendition();
// Use the mapInfo Miscellaneous font
rend.setValue(Rendition.FONT_FAMILY, "宋体");

// Make the font 14 pts
rend.setValue(Rendition.FONT_SIZE, new Float(14));

// The weight should be greater than 0. 1.0 = normal, 2.0 = bold, etc.
rend.setValue(Rendition.FONT_WEIGHT, new Float(2));

// Make it a leaning garbage can
//rend.setValue(Rendition.FONT_STYLE, Rendition.FontStyle.ITALIC);

// indicate that we are using a font for the symbol
rend.setValue(Rendition.SYMBOL_MODE, Rendition.SymbolMode.FONT);

// the number 4 is the garbage can
rend.setValue(Rendition.SYMBOL_STRING, m_name);

// make the symbol yellow on a red background
//rend.setValue(Rendition.SYMBOL_FOREGROUND, Color.red );
rend.setValue(Rendition.SYMBOL_BACKGROUND, Color.black);



//沿线绘制车辆轨迹

   //创建Feature,然后加入到AnnLayer。
   PrimaryKey pkey = new PrimaryKey(attrib);
   FeatureFactory ff = mapj.getFeatureFactory();
   try {
     Feature feat = ff.createPoint(m_dPoint,rend,attrib, pkey);
     lyrAnn.setVisible(true);
     lyrAnn.addFeature(feat);

     //BaseLabelProperties blp = new BaseLabelProperties();
     //blp = lyrAnn.getLabelProperties();
     //blp.setLabelExpression(columns[0]);

     //lyrAnn.setLabelProperties(blp);
     //lyrAnn.setAutoLabel(true);

   } catch (Exception ec) {
     ec.printStackTrace();
     return false;