RE: XML to SOAP without binding to Java Objects

[John Francis]

The following appears to work using JAX-WS from the JDK

package dispatchClient;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.net.URL;

import javax.xml.namespace.QName;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import javax.xml.ws.Dispatch;
import javax.xml.ws.Service;

public class DispatchXMLClient
{
        public static void main(String[] args)
        {
                try
                {
                        URL wsdlURL = new URL("myService.wsdl");
                        Service service = Service.create(wsdlURL, new
QName("http://mySite.com/ws/service1";, "ServiceName"));
                        Dispatch<Source> disp = service.createDispatch(new
QName("http://mySite.com/ws/service1";, "ServicePort"),
                                        Source.class,
                                        Service.Mode.PAYLOAD);

                        Source request = new StreamSource(new
File("Project1/resources/WSEtestData/Service1Body.txt"));
                        Source response = disp.invoke(request);

            // Process the response.
            StreamResult result = new StreamResult(new
ByteArrayOutputStream());
            Transformer trans =
TransformerFactory.newInstance().newTransformer();
            trans.transform(response, result);
            ByteArrayOutputStream baos = (ByteArrayOutputStream)
result.getOutputStream();

            // Write out the response content.
            String responseContent = new String(baos.toByteArray());
            System.out.println(responseContent);

                }
                catch (Throwable t)
                {
                        System.err.println("Unexpected exception: " + t);
                        t.printStackTrace();
                }
        }
}


The message to stream in will be the body of the SOAP message, it is best to
put it in its own namespace;

<hisl-service1:Service1Request
xmlns:hisl-service1="http://mySite.com/ws/service1"; >
<hisl-service1:Arg1>Stuff</hisl-service1:Arg1>
</hisl-service1:Service1Request>

Ofcourse it could be implemented using pure sockets, or an HttpURLConnection
or commons HttpClient, 
but then you'd need to make sure you get all the headers right and the SOAP
envelope.
Not sure what the overhead is...

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