Przykład: implementacja klienta za pomocą JAX-WS Proxy

Kod w języku Java:

package sample;
 
import java.io.IOException;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
 
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.UnsupportedCallbackException;
import javax.xml.namespace.QName;
import javax.xml.ws.Service;
 
import org.apache.cxf.ws.security.wss4j.WSS4JOutInterceptor;
import org.apache.ws.security.WSConstants;
import org.apache.ws.security.WSPasswordCallback;
import org.apache.ws.security.handler.WSHandlerConstants;
 
 
public class TestServiceWsClient {
 
    private static final TestServiceWsClient instance = new TestServiceWsClient();
 
    private TestServiceWsClient() {}
 
    private TestService wsClient;
 
    /**
     * Gets an instance of service proxy. In multi-threaded environments a synchronization should be used.
     */
    public TestService getWsClient() {
        if (wsClient == null) {
            URL wsdlURL = new URL("http://localhost:8080/palio/webservices/sample/TestService?wsdl");
            QName SERVICE_NAME = new QName("http://jpalio.com", "TestService");
            Service service = Service.create(wsdlURL, SERVICE_NAME);
            wsClient = service.getPort(TestService.class);
 
            // Below code is required if a service is secured by login/password (WS-Security)
            org.apache.cxf.endpoint.Client client = org.apache.cxf.frontend.ClientProxy.getClient(wsClient);
            org.apache.cxf.endpoint.Endpoint cxfEndpoint = client.getEndpoint();
 
            Map<String,Object> outProps = new HashMap<String,Object>();
            outProps.put(WSHandlerConstants.ACTION, WSHandlerConstants.USERNAME_TOKEN);
            // Specify our username
            outProps.put(WSHandlerConstants.USER, "ws");
            // Password type: plain text
            outProps.put(WSHandlerConstants.PASSWORD_TYPE, WSConstants.PW_TEXT);
            // Callback used to retrieve password for given user.
            outProps.put(WSHandlerConstants.PW_CALLBACK_REF, new CallbackHandler() {
                public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
                    WSPasswordCallback pc = (WSPasswordCallback) callbacks[0];
                    // set the password for our message.
                    pc.setPassword("ws");
                }
            });
 
            WSS4JOutInterceptor wssOut = new WSS4JOutInterceptor(outProps);
            cxfEndpoint.getOutInterceptors().add(wssOut);
        }
        return wsClient
    }
 
    public static TestServiceWsClient getInstance() {
        return instance
    }
}

 

Przykład użycia:

TestServiceWsClient.getInstance().getWsClient().getText("Hello world!")