Web Service Tutorials

How can Web services  be used by different services within and outside the application.Web service helps to layer a transport mechanism between any application to any system outside the system. This article provides a view of how web services be used by different services within and outside the application. The crucial part of a Web […]

This example will show case on developing a web service with a contract first approach. There are two ways by which web service can be developed, one is the contract last and the other is the Contract First Approach. This is a very simple Product Catalog web service with Contract First Approach, where user will […]

Developing a CreditCardservice and Deploying in Tomcat Create a directory structure Axis2Example for our Credit Card Validation Web Service as shown below in Figure 1. Figure 1. Axis2Example Project Directory Structure Create a CheckSEI.java interface with within the package com.ibm.axis2.ccheck as shown below. Listing 1. CheckSEI.java package com.ibm.axis2.ccheck; import javax.jws.WebService; @WebService (name="CheckCard", targetNamespace="http://ccheck.axis2.ibm.com") public interface […]

Select TestClient.java and Run As > Java Application (Make sure Tomcat is running). After running the TestClient, you will be prompted to enter your Credit card Number in the console as shown below: (Type your Number for example 4111111111111111 and then Press ENTER to get valid input and valid vendor) (Type your Number for example 5111111111111111 and then […]

This series on developing web services gives an insight on developing web service using Axis framework.A credit card validation example is done using the web service and the testing part is also shown in the example. A web service is a network accessible interface to application functionality, built using standard Internet technologies. The web services […]

EJB stateless session bean as web service This article provides a view of how a stateless session bean can work as a web service.Follow the step by step instructions listed below for exposing session bean as web service. Getting started Import the sample DateFormatter (EJB 3.0) project provided in the downloads. This project has a […]

Web Service is a mechanism by which you can communicate between electronic systems over internet.Web service has the capability to convert an application into a web application which can publish a function or message. Web services constitute a distributed computer architecture made up of many different computers trying to communicate over the network to form one system. […]