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Failing to post data from servlet to web browser see code

Ray Smilgius
Ranch Hand

Joined: Jan 29, 2001
Posts: 120
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Date;
import java.net.*;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class TestServlet extends HttpServlet {
String name ="xml=myself";

String xml = "<?xml version=\"1.0\" encoding=\"utf-8\"?>" +
"<pwCmdXML>" + "<Command>SubmitJob</Command>" +
"<CommandPassword>aPwd</CommandPassword>\n\r" +
"<ProjectName>TheProject</ProjectName>" +
"<ProjectType>pType</ProjectType>" +
"<ObjectClass>stuff</ObjectClass>" +
"<ObjectList>1,2,3,4,5,6,7,8,9,10,11,12,13,14,15," +
"16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31," +
"32,33,34,35,36</ObjectList>" +
"</pwCmdXML>";

byte[] b = new byte[100];
private String s=URLEncoder.encode("A Test string to send to a servlet");

public void init() throws ServletException {

System.out.println("TestServlet : init");
}
public void destroy() {
System.out.println("TestServlet : destroy");
}



public void doGet(HttpServletRequest req, HttpServletResponse res)
throws IOException, ServletException {

res.setContentType("text/html");

PrintWriter out = res.getWriter();

// print content


out.println("<html><head>");
out.println("<title>TestServlet ( by ");
out.println( name );
out.println(" )</title>");
out.println("<style>body, p { font-family:tahoma;");
out.println(" font-size:12pt; }</style>");
out.println("</head>");
out.println("<body>");

out.println("<p>TestServlet (");
out.println(b);
out.println(" ) :</p>");

out.println("</body></html>");
out.close();
}

public void doPost(HttpServletRequest req, HttpServletResponse res)
throws IOException, ServletException {

res.setContentType("text/html");

///////////////////////////////////////////////////////////
try
{

URL url;
URLConnectionurlConn;
DataOutputStreamprintout;
DataInputStreaminput;

// URL of CGI-Bin script.
url = new URL ("http://rsmilgius:5000/InScope.xml");


// URL connection channel.
urlConn = url.openConnection();

// Let the run-time system (RTS) know that we want input.
urlConn.setDoInput (true);

// Let the RTS know that we want to do output.
urlConn.setDoOutput (true);

// No caching, we want the real thing.
urlConn.setUseCaches (false);

// Specify the content type.
urlConn.setRequestProperty("Content-Type", "text/html");



// Send POST output.
printout = new DataOutputStream (urlConn.getOutputStream ());
printout.writeBytes(xml);



// printout.writeBytes(content);
printout.flush ();
// printout.close ();

// Get response data.
input = new DataInputStream (urlConn.getInputStream ());




//String str;
while( input.read(b) > 0) {}
printout.write(b); //send the original content back
System.out.println (b);


/* while (null != ((b = input.readLine())))
{
System.out.println (b);

} */
doGet(req, res);

}
catch (IOException e)
{
// e.printStackTrace();// should do real exception handling
System.out.println(e.getMessage());
doGet(req, res);
}


}
}
Thanks in advance
Ray Smilgius


SCJO, SCJD, SCWCD, I-Net+, A+, Network+, MCSD, MCDBA, MCP, MCT
Carl Trusiak
Sheriff

Joined: Jun 13, 2000
Posts: 3340
This is due to the fact that xml doesn't follow the required format or encode for the post body of HTTP protocol. This is where SOAP comes into play. I recommend you take a look at the SOAP servlet project on apache.


I Hope This Helps
Carl Trusiak, SCJP2, SCWCD
Ray Smilgius
Ranch Hand

Joined: Jan 29, 2001
Posts: 120
Thanks I will investigate further into this.
Thanks Ray Smilgius
 
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subject: Failing to post data from servlet to web browser see code