Create a web service using jdeveloper IDE

Create a new application











ONce the applicaiton and project is create select the project and create a simple Java class file



Provide some logical name to your java class




need not have a main method as a web service is a service provider.

Change the java program as follows

package oracle.ws;

public class HelloWebService {
public String getValue(String name) {
return("Hello " + name + " Welcome to test web service");
}
}


Now select the java class file right click on it and say generate j2ee web service as shown in the picture




Choose j2ee 1.4




Provide some logical name to it




Let the default options be there and keep saying next




























Now a wsdl will be created for you in the jdeveloper as follows



Start oc4j.bat for jdeveloper

You will get an output in jdeveloper utility as follows

Ready message received from Oc4jNotifier.
Embedded OC4J startup time: 16062 ms.

Target URL -- http://localhost:8988/WebService-WSProject-context-root/HelloWebServiceSoapHttpPort
10/01/08 21:03:04 Web service HelloWebService has been started on the embedded server
10/01/08 21:03:04 Oracle Containers for J2EE 10g (10.1.3.4.0) initialized
Warning : Not able to reserve 2048M memory for the heap. Heap reduced to 813M




Now open the URL given you will get a pgae like this




Provide an input and invoke the web service



Hello arpit Welcome to test web service

======================================================================================

Using a client to invoke the process


Just select the wsdl file thus created right click on it and say create a proxy client




following screen will come up just say yes to it





next




Cleint code will be generated for you by the jdeveloper



open the client java program

and call the method



System.out.println("output is " + myPort.getValue("arpit"));



Run the programme and youi will get the following output in the jdev console.



the output will be

calling http://10.10.10.10:8988/WebService-WSProject-context-root/HelloWebServiceSoapHttpPort
output is Hello arpit Welcome to test web service

.