myBindingVar IHTTP? = Resources.getResource("binding:myResource");
call MyInterface.myOperation() using myBindingVar
 returning to myCallBackFunction
 onException myExceptionHandler;

myBindingVar HttpProxy;
 
call MyService.functionName(InField.text) 
 using myBindingVar 
 returning to handleResponse 
 onException serviceExceptionHandler;

call MyService.functionName(InField.text) 
 using new HttpProxy
 returning to handleResponse 
 onException serviceExceptionHandler;

myBindingVar HttpProxy = new HttpProxy("server.MyService");
 
call IMyService.functionName(InField.text) 
 using myBindingVar 
 returning to handleResponse 
 onException serviceExceptionHandler;

 call IMyService.functionName(InField.text)
 using new HttpProxy("server.MyService")
 returning to handleResponse 
 onException serviceExceptionHandler;

myBindingVar httpRest{@Resource {uri="binding:myEntry"}};
call IMyServiceType.calculate(myList) 
 using myBindingVar
 returning to theCallBack
 onException theExceptionHandler;

/********************************************************
 * Declare the binding variable                         * 
 ********************************************************/
   myBinding IHttp? = Resources.getResource("binding:myBinding");
 
/********************************************************
 * Call the service                                     * 
 ********************************************************/
   call MyServiceType.calculate(myList) 
      using myBinding
      returning to theCallBack 
      onException theExceptionHandler;
 
/********************************************************
 * Example: create a new EGL project for                *
 * "Web 2.0 client application with services". Add the  *
 * the Service type shown next to the server package,   * 
 * and add the Handler type to the client package.      *
 *                                                      *
 * Test the example in the Rich UI Preview tab          * 
 * by typing valid input into the first text box;       * 
 * for example: 5, 12, 4                                * 
 ********************************************************/
 
/********************************************************
 * The file with a Service type                         *
 ********************************************************/
package server;
 
service MyServiceType
 
   // variables and constants can be here
   function calculate(myScores Int[] in) returns(Decimal(4, 2))
      numberOfScores, i, mySum Int;
      numberOfScores = myScores.getSize();
 
      for(i from 1 to numberOfScores)
         mySum = myScores[i] + mySum;
      end
 
      return(mySum/numberOfScores);
   end 
end
 
/********************************************************
 * The file with a Handler type                         *
 ********************************************************/
package client;
 
import server.MyServiceType;
import org.eclipse.edt.rui.widgets.GridLayout;
import org.eclipse.edt.rui.widgets.GridLayoutData;
import org.eclipse.edt.rui.widgets.TextField;
import dojo.widgets.DojoButton;
import dojo.widgets.DojoTextField;
 
handler MyHandler type RUIhandler{initialUI =[ui], onConstructionFunction = start, 
                                  cssFile = "css/MyClientAppWithService.css", title = "MyHandler"}
 
   ui GridLayout{columns = 3, rows = 4, cellPadding = 4, children =[myResult, myButton, scores]};
 
   scores TextField{layoutData = new GridLayoutData{row = 2, column = 2}};
 
   myButton DojoButton{layoutData = 
      new GridLayoutData{row = 4, column = 2}, text = "Calculate", onClick ::= ui_onClick};
 
   myResult DojoTextField{layoutData = new GridLayoutData{row = 4, column = 3}};
 
   function start()
 
   end
 
   function theExceptionHandler(exp AnyException in)
 
      SysLib.writeStdOut(exp.messageID + " " + exp.message);
 
      if(exp isa ServiceInvocationException)
         SysLib.writeStdOut((exp as ServiceInvocationException).detail1);
         SysLib.writeStdOut((exp as ServiceInvocationException).detail2);
         SysLib.writeStdOut((exp as ServiceInvocationException).detail3);
      end
   end
 
   function theCallBack(retResult decimal(4, 2) in)
      myResult.text = retResult;
   end
 
   function ui_onClick(event Event in)
 
      inputLength int = scores.text.length();
 
      myDelimiters string = ", ";
      myPosition int = 1;
      myToken string;
      myList int[];
 
      while(myPosition < inputLength)
         myToken = StringLib.getNextToken(scores.text, myPosition, myDelimiters);
 
            if(myToken != null)
               myList.appendElement(myToken as int);
            end
      end
 
      /************ Service access statements ***************************/
 
      myBinding IHttp? = Resources.getResource("binding:myBinding");
      call MyServiceType.calculate(myList) 
         using myBinding
         returning to theCallBack 
         onException theExceptionHandler;
 
      /*******************************************************************/
 
   end
end

myService MyServiceType?{@Resource};
 
// or 
 
myService MyServiceType?{@Resource{bindingKey="myService"}};

function theCallBack(retResult decimal(4, 2) in, myHttp IHTTP in)
 myResult.text = retResult;
 
 // display the response in JSON format
 SysLib.writeStdOut(myHttp.getResponse().body);
end