Send and Recieve Messages Using a CGI Java Application

The following code shows you how to send and receive CGI messages from a Java application:

import java.net.*;import java.io.*;class POSTrequest{URL url=null;URLConnection URLcon=null;OutputStreamWriter OSW=null;BufferedReader BR=null;PrintStream PS=null;public void GetReady()            {               try {                            //it may be any other CGI                url=new URL("http://ludlow.dns2go.com/cgi-bin/plot/cut_basemap.pl");               URLcon=url.openConnection();                                                URLcon.setDoInput(true);                URLcon.setDoOutput(true);                                //disable caching                URLcon.setUseCaches(false);                                URLcon.setRequestProperty("Content-Type","application/x-www-form-urlencoded");                                SendRequest();                }catch(MalformedURLException e)	       {System.out.println("Error 1:"+e.getMessage());                }catch(IOException e)                      {System.out.println("Error 2:"+e.getMessage());                 }catch(ClassCastException e)                      {System.out.println("Error:"+e.getMessage());}                }                void SendRequest()throws IOException                {                                                           OSW=new OutputStreamWriter(URLcon.getOutputStream());                                String request=URLEncoder.encode("LONGDEG","UTF-8")+"="+URLEncoder.encode("76","UTF-8")+"&"+URLEncoder.encode("LONGMIN","UTF-8")+"="+URLEncoder.encode("37.3","UTF-8");                request+="&"+URLEncoder.encode("LATDEG","UTF-8")+"="+URLEncoder.encode("2","UTF-")+"&"+URLEncoder.encode("LATMIN","UTF-8")+"="+URLEncoder.encode("34.84","UTF-8");                request+="&"+URLEncoder.encode("CROPSIZE","UTF-8")+"="+URLEncoder.encode("20x15","UTF-8")+"&"+URLEncoder.encode("OUTPUTSIZE","UTF-8")+"="+URLEncoder.encode("8x6","UTF-8");                                OSW.write(request);                                               OSW.flush();                OSW.close();                                GetAnswer();                }                void GetAnswer() throws IOException               {                               //get the answer in a HTML file                           BR=new BufferedReader(new InputStreamReader(URLcon.getInputStream()));               PS=new PrintStream(new FileOutputStream(".\output.html"));                        String answer;               while (null!=((answer=BR.readLine())))                   {                   System.out.println (answer);                   PS.println(answer);                   }                BR.close();                         PS.close();                                                       		                                    }           public void POSTanswer()    {       try {           //view answer        String command = "C:\Program Files\Mozilla Firefox\firefox.exefile:///D:/JEditor/programe/network/output.html";        Process child = Runtime.getRuntime().exec(command);        }catch(IOException e)                     {System.out.println("Error 5:"+e.getMessage());}    }           }           public class POST{	public static void main(String[] args)      {	POSTrequest t=new POSTrequest();                  t.GetReady();             t.POSTanswer();          	}}
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