Create java client from WSDL for Google App engine

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This post will explain how to consume SOAP based web services on Google App Engine platform.

  1. Keep your wsdl files in resources/wsdl folder
  2. Make these files entry in appengine-web.xml like
  3.   <static-files>
           <include path="/**.wsdl"/>
         <include path="/**.WSDL"/>
     </static-files>
  4.  Now update POM file for wsdl to java plugin
 <plugin>
    <groupId>org.apache.cxf</groupId>
    <artifactId>cxf-codegen-plugin</artifactId>
    <version>3.0.1</version>
    <executions>
        <execution>
            <id>generate-sources</id>
            <phase>generate-sources</phase>
            <configuration>             
                <sourceRoot>${basedir}/src/main/java</sourceRoot>
                <wsdlOptions>
                    <wsdlOption>
                          <wsdl>src/main/resources/wsdl/ReadData.wsdl</wsdl>  
                          <wsdlLocation>https://${appengine.app.id}.appspot.com/wsdl/ReadData.wsdl</wsdlLocation>
                          <extraargs>
                                 <extraarg>-p</extraarg>
                                 <extraarg>com.example.ws.readdata</extraarg>
                          </extraargs>                                      
                    </wsdlOption>
                    <wsdlOption>
                        <wsdl>src/main/resources/wsdl/SaveData.wsdl</wsdl>
                        <wsdlLocation>https://${appengine.app.id}.appspot.com/wsdl/SaveData.wsdl</wsdlLocation>
                        <extraargs>
                                <extraarg>-p</extraarg>
                                <extraarg>com.example.ws.savedata</extraarg>
                         </extraargs>
                    </wsdlOption>
                   
                </wsdlOptions>
            </configuration>
            <goals>
                <goal>wsdl2java</goal>
            </goals>
        </execution>
    </executions>
</plugin>







Now you can use maven commands mvn clean install and stubs will be generated in com.example.ws.savedata and com.example.ws.readdata packages.
 

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