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Sample code of Applet call servlet

 
Rawat Vijay
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Can anyone get me sample code of applet which is calling servlet
 
Joe Ess
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Look at java.net.URLConnection. Create a java.net.URL instance with the URL of the servlet, create an instance of URLConnection and use the various methods of URLConnection to interact with the servlet (i.e. doInput() to POST data or getContent to download). NOTE: An unsigned applet can only establish connections with the same server it was loaded from.
[ February 06, 2004: Message edited by: Joe Ess ]
 
jahanzeb fahim
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public Vector PopDat()
{
Vector vf=new Vector();
try
{
URL studentDBservlet = new URL( "http://jahanzeb:8080/servlet/QuerySer?Qname="+ap.getParameter("Per"));
URLConnection servletConnection = studentDBservlet.openConnection();
BufferedReader inFromServlet = new BufferedReader(new InputStreamReader(servletConnection.getInputStream()));
String str;
while (null != ((str = inFromServlet.readLine())))
{
vf.add(str);
System.out.println(str);
}


}catch(Exception e)
{
System.out.println(e.toString());
}

return vf;
}
 
Purvi Pandya
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Hello !!!
You can do this also
----------------
(Code in Applet)
URL helloServletURL = new URL( getCodeBase().toString()+ "HelloServlet" );
URLConnection urlConnection = helloServletURL.openConnection();
urlConnection.setDoInput(true);
urlConnection.setDoOutput(true);
urlConnection.setUseCaches(false);

ObjectOutputStream objOut = new ObjectOutputStream (urlConnection.getOutputStream());
objOut.writeUTF(Id); // pass parameter to servlet
objOut.flush();

ObjectInputStream objIn = new ObjectInputStream(urlConnection.getInputStream());
String state = objIn.readUTF(); // read String from Servlet
----------------
(Code in Servlet)
ObjectInputStream dataInput = new ObjectInputStream(request.getInputStream());
String id = dataInput.readUTF();
ObjectOutputStream dataOutput = new ObjectOutputStream(response.getOutputStream());
dataOutput.writeUTF(status);
dataOutput.flush();
dataInput.close();
dataOutput.close();
--------------------
Purvi Pandya
 
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