Web Services using Apache CXF

1. Download and Install Eclipse, Tomcat and CXF

• Eclipse (http://www.eclipse.org/downloads/  IDE for JavaEE developers)
• Apache Tomcat 7 (http://tomcat.apache.org/download-70.cgi  Core->Zip)
• Apache cxf (http://cxf.apache.org/download.html apache-cxf-2.7.4.zip)

2. How to configure Tomcat in Eclipse

window->

preference->

server->

add->

runtime env->

Apache Tomcatv7->

Next->add apacheTomact root path->install jre

->add

->standard vm->

next->

directory->

add jdk root path->

 select default jdk->

ok->

select jdk->

                                                                               finish->ok




3. Configure CXF in Eclipse

1.

window->

preferences->

webservices->

cxf 2.x preferences->

add->

browser->

add cxf root path(C:\java\Apache-cxf-2.3.6)->

ok->

check2.3.0version->ok

2.

window->

preferences->

web services->

server and runtime->

web service runtime(Apache cxf 2.x)->ok

5. Create a Web Service in Eclipse

·         Create new Dynamic Web Project  [Project Name: DeepThoughtWS]

·         Dynamic web module version(2.5)

·         Configuration(CXF Web Services Project v2.5)

·         Finish

Create java imporation

·         select project DeepThoughtWS

·         java Resources src->new->class->package(org.yash.ws)->Name(DeepThought)->finish

Open DeepThought.java and add below code.

package org.yash.ws;

public class DeepThought{

                public String whatIsTheAnswer(String interviewer){

                                return "The answer, "+ interviewer + "is 42";

                }

}

Now open Toolbar NEW option->webservice->browser

->type class you want to select(DeepThought class)->select both sliders to full

->select Monitor the web service->next->select use a service endpoint interface

->select create an SEI->write(DeepThoughtSEI)

->then select method whatIsTheAnswer

->next(this page ask to configure annotation) skip this

->next

->next

->click start server

->next->next->next ->next->next

->finish

WebService page will appear

-> click on link "whatIsTheAnswer"

-> click on "ADD" text box will appear->type Yash

->Go (Service will display "The answer, Yash is 42")(check SOURCE)

Open client project (DeepThoughtWSClient)

java Resources src->

org.yash.ws (all code which is require  generated here  to access WebService -  in this pkg)

->open file "DeepThoughtSEI_DeepThoughtPort_Client" update _whatIsTheAnswer_arg0 to "Yash"

->right click in class on run on as Java Application, result will be in console

Access the URL in browser

http://localhost:8080/DeepThoughtWS/services/DeepThoughtPort?wsdl

Create new project in SOAP UI tool using above wsdl URL.

Below Request and Response will come

Request:

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ws="http://ws.yash.org/">

   <soapenv:Header/>

   <soapenv:Body>

      <ws:whatIsTheAnswer>

         <!--Optional:-->

         <arg0>Test</arg0>

      </ws:whatIsTheAnswer>

   </soapenv:Body>

</soapenv:Envelope>

Response:

<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">

   <soap:Body>

      <ns2:whatIsTheAnswerResponse xmlns:ns2="http://ws.yash.org/">

         <return>The answer, Test is 42</return>

      </ns2:whatIsTheAnswerResponse>

   </soap:Body>

</soap:Envelope>


Download WebService Document