in Apache CXF, Java, Tutorials, Web Services

[Tutorial] WSDL to Java with Apache CXF and soapUI

The WSDL2java command generates JAX-WS compliant Java code for the services that are defined in the WSDL document.
This is known as the Top-Down approach (contract first, based on an existing WSDL file).

1) open a DOS window and go to the CXF directory, under the bin sub-directory :
D:\softs\CXF\apache-cxf-2.3.1\bin

2) run the following command :

D:\softs\CXF\apache-cxf-2.3.1\bin>wsdl2java.bat -client -p com.company.auth.service http://localhost:8085/BMI/services/cxfBmi?wsdl

WSDL2java
This command will create the folder D:\softs\CXF\apache-cxf-2.3.1\bin\com\company\auth\service

The -client option will generate a client
The -p option is used to specify the name of the package used for the generated classes

The generated classes are :
ComputeBMI.java
ComputeBMIResponse.java
IBMICalculator.java
IBMICalculator_IBMICalculatorImplPort_Client.java (the client)
IBMICalculatorImplService.java
ObjectFactory.java
package-info.java

These classes are fully annotated. For instance if we open IBMICalculator.java, we can see 8 annotations !

package com.company.auth.service;

import javax.jws.WebMethod;
import javax.jws.WebParam;
import javax.jws.WebResult;
import javax.jws.WebService;
import javax.xml.bind.annotation.XmlSeeAlso;
import javax.xml.ws.RequestWrapper;
import javax.xml.ws.ResponseWrapper;

/**
 * This class was generated by Apache CXF 2.3.1
 * Generated source version: 2.3.1
 * 
 */
 
@WebService(targetNamespace = "http://services.bmi.company.com/", name = "IBMICalculator")
@XmlSeeAlso({ObjectFactory.class})
public interface IBMICalculator {

    @WebResult(name = "return", targetNamespace = "")
    @RequestWrapper(localName = "computeBMI", targetNamespace = "http://services.bmi.company.com/", className = "com.company.auth.service.ComputeBMI")
    @WebMethod
    @ResponseWrapper(localName = "computeBMIResponse", targetNamespace = "http://services.bmi.company.com/", className = "com.company.auth.service.ComputeBMIResponse")
    public double computeBMI(
        @WebParam(name = "weight", targetNamespace = "")
        double weight,
        @WebParam(name = "height", targetNamespace = "")
        double height
    );
}

3) copy the classes in the src folder of your project and modify the client according to your needs

Another way to generate the java code (stubs) is by using soapUI, a tool to test Web Services. It integrates different tools that use different Web Services frameworks.
In the case of Apache CXF framework, you must first set its path in the preferences :
SOAPUI3

Then in the Tools Menu, choose “Apache CXF Stubs”. This is where you specify the arguments for the WSDL2JAVA command. Check the box “All code” to generate all starting point code, choose an output directory :
SOAPUI2

The command is then executed and the options are displayed :
SOAPUI1

Link : https://cwiki.apache.org/CXF20DOC/wsdl-to-java.html

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