Friday, July 26, 2013

Java WebService Tutorial - Part 07 (Writing a simple webservice using eclipse and access it through SOAPUI )

Well, There are many ways to write a webservice, but it all depends upon the what kind of business logic and what kind of stuff your webservice wants to provide. They are two types of webservice available in the market as for now they are:


Here we will be creating SOAP based Web Service.What is SOAP and how it's work we have already seen,you can refer  links in our index page. As per REST we will see in later part of our tutorials.

In this section we will concentrating on writing a Java webservice based upon a  Java class  which has a business method from this class a webservice we are going to create ,which can be access by many for there needs.

We are going to follow the eclipse Bottom approach to create this webservice.

Bottom-Up-Approach : It is used to create a  webservice & WSDL from a Java class.

So before we begin we need the following


1. Eclipse IDE with J2EE Plugins or Eclipse Indigo J2EE Version []

2.A Webserver or Application Server (Here i am   using Tomcat Webserver)

Once we are done with our first webservice. We will access it through SOAP UI.We have already discuss about SOAPUI functionality in previous tutorials you can refer from here :

Now, Once you have the Eclipse IDE , You should configure the Tomcat Server in the Eclipse by Adding the  Server in the Server TAB.So now we have the Server ready ....

Now create a new WebProject by :

Step 1:

File -> New -> Dynamic WebProject

Give a Name to the Project say : MyService and click the "Finish" Button.

Step 2:

Create a Package called "com.test" under "src" folder of   "MyService" WebApplication.

Create a new Class called "Display" under "com.test" package.

Display class :

package com.test;

public class Display {

public String convert(String name)
return name.toUpperCase();


It is a straight forward simple class having a single business method which accepts a String and returns a String in Upper Case format.

Step 3:

Now, Right click on the Project "MyService"[Project Name] node and select the following :

New -> Other -> Webservices -> WebService : It will show a WebService Window

In this window we have couple of options:

1. Select the WebService Type as:  BottomUp Java Bean Service
2. Select the class you have created now here namely : "Display  By clicking on the Browse Button"

There are 3 Configuration links available in this window:

- ServerRuntime  : Select your server in this case we have use Tomcat
- Service Runtime :  Apache Axis - Default it will be selected
-Service Project  : Specify your Project name here "MyService"  and Click the Next Button >>

Step 4:

Follow instructions in screen shot below. Click Next Button ...

Step 5 :

After successful deployment the publishing window will appear.Now click the Finish Button

Now you can a wsdl namely Display.wsdl will be generated inside the wsdl folder under the WebContent Directory of the Project "MyService".

Display.wsdl :

<?xml version="1.0" encoding="UTF-8"?>
<wsdl:definitions targetNamespace="" xmlns:apachesoap="" xmlns:impl="" xmlns:intf="" xmlns:wsdl="" xmlns:wsdlsoap="" xmlns:xsd="">
<!--WSDL created by Apache Axis version: 1.4
Built on Apr 22, 2006 (06:55:48 PDT)-->
<schema elementFormDefault="qualified" targetNamespace="" xmlns="">
<element name="convert">
<element name="name" type="xsd:string"/>
<element name="convertResponse">
<element name="convertReturn" type="xsd:string"/>

<wsdl:message name="convertRequest">

<wsdl:part element="impl:convert" name="parameters">



<wsdl:message name="convertResponse">

<wsdl:part element="impl:convertResponse" name="parameters">



<wsdl:portType name="Display">

<wsdl:operation name="convert">

<wsdl:input message="impl:convertRequest" name="convertRequest">


<wsdl:output message="impl:convertResponse" name="convertResponse">




<wsdl:binding name="DisplaySoapBinding" type="impl:Display">

<wsdlsoap:binding style="document" transport=""/>

<wsdl:operation name="convert">

<wsdlsoap:operation soapAction=""/>

<wsdl:input name="convertRequest">

<wsdlsoap:body use="literal"/>


<wsdl:output name="convertResponse">

<wsdlsoap:body use="literal"/>




<wsdl:service name="DisplayService">

<wsdl:port binding="impl:DisplaySoapBinding" name="Display">

  <wsdlsoap:address location="http://localhost:8080/MyService/services/Display"/>




Now in the browser if you type the URL :

http://localhost:8080/MyService/services . We can see list of Deployed Services in the Server.

Now, we have the service ready , now we can test this through SOAP UI.

Step 6:

 - Open SOAP UI.

-  Right Click on Project Node->New SoapUI Project --> Provide the WSDL Location Path .
-  In this case  http://localhost:8080/MyService/services/Display?wsdl

Open the Soap Request give some name in lower case in request XML and we can see the Response in Upper case for the given name.

We can create stub for this Webservice by using wsimport tool please refer for creating Stub and client from WSDL.

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