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Sunday, September 11, 2011

Creating Custom Apex SOAP based Web Service in's platform

This blog describes how to create a Custom web service in Salesforce using Apex.

  • Navigate to Setup>Develop>Apex Classes  and create new class by clicking new button.
  • Write a class with "global" access modifier with methods (to be exposed) with "webService" keyword

global class KartikService
    webService static String hello(String Name) 
        return 'Hello '+Name+' ! :D';

  • Then save this class. After saving the class you will view a button "Generate WSDL". Click on that to get WSDL for web service you just created. Save the WSDL file. Let say file name is "KartikService.wsdl"
  • Now we will consider how we generate clients to call this service in Java and in .Net.

 For Java:

  • We will create new project in Eclipse with name "ApexCustomWS"
  • You need Enterprise/Partner WSDL to access your Salesforce org. by getting a valid sessionId.
  • Import Enterprise or Partner WSDL file into the project and generate the web service client for that.
  • Import the "KartikService.wsdl" into project and  generate web service client by right clicking on the WSDL file.
  • Image below shows code generated for Partner WSDL in Blue box and code for Custom Web service in Red Box

Above step will generate few Java files. Now add a class "" and write following code:

package com.sforce.soap.schemas._class.KartikService;
import org.apache.axis.AxisFault;
import com.sforce.soap.partner.LoginResult;
import com.sforce.soap.partner.SessionHeader;
import com.sforce.soap.partner.SforceServiceLocator;
import com.sforce.soap.partner.SoapBindingStub;
public class Test 
   public static void main(String[] args) 
         //Get a stub for calling partner WSDL's login method in order to get SessionID
         SoapBindingStub bind= (SoapBindingStub)new SforceServiceLocator().getSoap();
         LoginResult lr=bind.login("your_username_here", "your_Password+SecurityToken");
         //Create a sessionHeader object and set its sessioId property to sessionId 
         //received in loginResult object                        
         SessionHeader sh=new SessionHeader();
         //Create a service locator object for your custom web service
         KartikServiceServiceLocator locator=new KartikServiceServiceLocator();
         //Get URL for your custom web service
         URL url=new URL(locator.getKartikServiceAddress());
         //Create a stub for your custom web service with URL for your service and locator as parameters
         KartikServiceBindingStub stub=new KartikServiceBindingStub(url, locator);
         //Set the header property of stub with name "SessionHeader" and value as sh-sessionHeader 
         //object created above 
         stub.setHeader(locator.getKartikServiceAddress(), "SessionHeader", sh);
         //now make call to custom service-in our case its "Hello(String name)"
        catch (Exception e) 
        {e.printStackTrace(); }  

Its output:

Hello KARTIK !


    • Create a new Winows project or project with name "ApexCustomWS"
    • Add Web Service Reference using Partner.wsdl with namespace name as "sForceService"
    • Add Web Service Reference using KartikService.wsdl with namespace name as "MyCustomApexWS"


    • Now the project in solution explorer with these references will look like :


    • Now we write a procedure "callCustomApexService" that first calls login service and get a sessionID and then make call to custom web service.
    • Code:
    • Imports ApexCustomWS.sForceService
      Imports ApexCustomWS.MyCustomApexWS
      Public Class Form1
          Public Sub callCustomApexService()
              Dim stub As New ApexCustomWS.sForceService.SforceService
              Dim lr As LoginResult
              Dim sh As New ApexCustomWS.sForceService.SessionHeader
              'make call to login service to get sessionId
              lr = stub.login("your_username_here", "your_Password+SecurityToken")        sh.sessionId = lr.sessionId
              stub.Url = lr.serverUrl
              stub.SessionHeaderValue = sh
              'Create stub to call custom web service
              Dim myserviceStub As New MyCustomApexWS.KartikServiceService
              myserviceStub.SessionHeaderValue = New MyCustomApexWS.SessionHeader
              myserviceStub.SessionHeaderValue.sessionId = sh.sessionId
          End Sub
          Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
          End Sub
      End Class
Output of above code will be a MessageBox when the Winform will load in memory.

19 comments: said...

where i get the wsdl file

Kartik Kumar said...


After saving the web service class you will view a button "Generate WSDL". Click on that to get WSDL for web service you just created. For Partner/Enterprise WSDL file goto Setup>Develop>API.

nitin sharma said...

Hi Karthik,

In order to sync data between two systems I have to create web service in Salesforce.I was thinking of writing soap webservce in salesforce and webservice method will take couple of parametes,including external id.The logic in the method would be use External Id to query salesforce database and then loop through the result and if the record is there then update or else insert record in the Salesforce and return salesforce ID which can be stored in the other system.
My question:-While writing webservice in salesforce.Do I have to anything with XMl,or System will write Xml in the background and I should only write webservice in the salesforce and give to the other person.
Thanks for your Help.

Welcome Friends said...

how do we generate jar file for wsdl generated from custom webservice apex class

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Anonymous said...

It is really good to have a clear cut example.

however, i have come across situations where we need to move a solution through different environments.

and it would be beneficial to understand how we can set the End-Point of these webservices during Run-Time.
that would be overwriting the default values that are set on the classes when they are downloaded.


pr said...

sf2sf communication using soap:

after adding partner wsdl of client org, into my sf org how i login and getting records from another sfdc account..

my code:

in parent org:

//code start
partnerSoapSforceCom.Soap sp = new partnerSoapSforceCom.Soap();
String username = '';
String password = 'passwordNItDpNyIGEY4SOdqtZtwbs69';
partnerSoapSforceCom.LoginResult loginResult = sp.login(username, password);
system.debug('@@@' + loginResult);

// i am login successfully but i want to ger records from partner organization .....

post the code please...soap b/w 2 sfdc organizations

Anonymous said...

Hi Kartik, I trying to learn salesforce integration plz help me how I can learn, or provide me any reading stuff or link where i can learn integration.

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