App to Servlet Communication

App to Servlet Communication

DataInputStream dis;
try {
  String urlString = "http://www.ibm.com";
  URL url = new URL(urlString);
  dis = new DataInputStream(url.openConnection().getInputStream());
  BufferedReader in = new BufferedReader(new InputStreamReader(dis));
  String total = "";
  String line = "";
  While ((line = in.readLine()) != null) {
    total += line;
  }  
  in.close();   
} catch (Exception e) {
  System.out.println(e);
}

//  Listing 2
//
//  Applet client-side code to send a student object
//  to a servlet in a serialized fashion.
//
//  A POST method is sent to the servlet.
//

URL studentDBservlet = new URL( webServerStr );
URLConnection servletConnection = studentDBservlet.openConnection();  

// inform the connection that we will send output and accept input
servletConnection.setDoInput(true);          
servletConnection.setDoOutput(true);
         
// Don't use a cached version of URL connection.
servletConnection.setUseCaches (false);
servletConnection.setDefaultUseCaches (false);

// Specify the content type that we will send binary data
servletConnection.setRequestProperty ("Content-Type", "application/octet-stream");
                            
// send the student object to the servlet using serialization
outputToServlet = new ObjectOutputStream(servletConnection.getOutputStream());
         
// serialize the object
outputToServlet.writeObject(theStudent);
         
outputToServlet.flush();         
outputToServlet.close();