A Client For the XML-RPC Servlet

JohnMunsch (John Munsch) — Mon, 06 Mar 2006 01:50:55 GMT

// When combined with the Apache XML-RPC library this code
// will let you call the servlet in the snippet "An XML-RPC
// Servlet". Of course, since XML-RPC is pretty ubiquitous
// you can also use this code to call servers in dozens of
// other languages as well.



import java.util.Vector;



import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

import org.apache.xmlrpc.XmlRpcClient;



public class XMLRPCTestClient {

    private static final String serverAddress = 

	"http://localhost:8080/lol/remoteapi";

    private static Log log = LogFactory.getLog(XMLRPCTestClient.class);

    

    /** Creates a new instance of XMLRPCTestClient */

    public XMLRPCTestClient(String address) {

        try {

            XmlRpcClient xmlrpc = new XmlRpcClient(address);



            Vector params = new Vector();

            params.addElement("Hello World! Hello!");



            try {

                // this method returns a string

                String result = (String) xmlrpc.execute("echo.echo", params);

                System.out.println(result);

            } catch (Exception e) {

                log.error("The remote procedure call failed.", e);

            }

        } catch (java.net.MalformedURLException mue) {

            log.error(

                "The address given for the XML-RPC interface is bad: " + address);

        }

    }



    /**

     * @param args the command line arguments

     */

    public static void main(String[] args) {

        XMLRPCTestClient xmlRPCTestClient = new XMLRPCTestClient(

            serverAddress);

    }

}

An XML-RPC Servlet

JohnMunsch (John Munsch) — Mon, 06 Mar 2006 01:47:26 GMT

// This depends upon the Apache XML-RPC library.



import java.io.IOException;

import java.io.OutputStream;



import javax.servlet.ServletConfig;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;



import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

import org.apache.xmlrpc.XmlRpcServer;



public class XmlRpcServlet extends HttpServlet {

    public class EchoHandler {

        public String echo(String input) {

            return input;

        }

    }

	

    private XmlRpcServer server = new XmlRpcServer();



    private static Log log = LogFactory.getLog(XmlRpcServlet.class);



	@Override

	public void init(ServletConfig config) throws ServletException {

        server.addHandler("echo", new EchoHandler());

	}



	@Override

	protected void doGet(HttpServletRequest request, 

			HttpServletResponse response) throws ServletException, IOException {

        doPost(request, response);

	}



	@Override

	protected void doPost(HttpServletRequest request, 

			HttpServletResponse response) throws ServletException, IOException {

        byte[] result = server.execute(request.getInputStream());

        

        response.setContentType("text/xml");

        response.setContentLength(result.length);

        

        OutputStream output = response.getOutputStream();

        output.write(result);

        output.flush();

    }

}

// The following needs to be added to your web.xml file to
// expose the servlet so it may be called remotely.



  

    XmlRpcServlet

    XmlRpcServlet

  



  

    XmlRpcServlet

    /remoteapi

DZone Snippets: xml-rpc code

A Client For the XML-RPC Servlet

An XML-RPC Servlet