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package async.client;
import javax.xml.ws.AsyncHandler;
import javax.xml.ws.Response;
import java.rmi.RemoteException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import javax.xml.ws.BindingProvider;
import com.sun.xml.ws.developer.JAXWSProperties;
public class AddNumbersClient {
private AddNumbersImpl port;
public AddNumbersClient() {
port = new AddNumbersService().getAddNumbersImplPort();
}
public static void main(String[] args) {
try {
AddNumbersClient client = new AddNumbersClient();
//invoke synchronous method
client.invokeSynchronous();
//invoke async polling method
client.invokeAsyncPoll();
//invoke async callback method
client.invokeAsyncCallback();
} catch (RemoteException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (ExecutionException e) {
e.printStackTrace();
}
}
private void invokeSynchronous() throws RemoteException {
int number1 = 10;
int number2 = 20;
System.out.println("\nInvoking synchronous addNumber():");
int result = port.addNumbers(number1, number2);
System.out.printf("The result of adding %d and %d is %d.\n", number1, number2, result);
}
private void invokeAsyncPoll() throws InterruptedException, ExecutionException {
int number1 = 10;
int number2 = 20;
//set request timeout to 30 sec, so that the client does n't wait forever
int timeout = 30000;
((BindingProvider)port).getRequestContext().put(JAXWSProperties.REQUEST_TIMEOUT, timeout);
System.out.println("\nInvoking Asynchronous Polling addNumbersAsync():");
Response<AddNumbersResponse> resp = port.addNumbersAsync(number1, number2);
while (!resp.isDone()) {
System.out.println("No Response yet, Sleeping for 1 sec");
Thread.sleep(1000);
}
AddNumbersResponse output = resp.get();
System.out.printf("The result of adding %d and %d is %d.\n", number1, number2, output.getReturn());
}
private void invokeAsyncCallback() throws InterruptedException {
int number1 = 10;
int number2 = 20;
System.out.println("\nInvoking Asynchronous Callback addNumbersAsync():");
AddNumbersCallbackHandler callbackHandler = new AddNumbersCallbackHandler();
Future<?> response = port.addNumbersAsync(number1, number2, callbackHandler);
Thread.sleep(8000);
if(response.isDone()) {
AddNumbersResponse output = callbackHandler.getResponse();
System.out.printf("The result of adding %d and %d is %d.\n", number1, number2, output.getReturn());
} else {
System.out.println("Waited 8 sec, no response yet, something wrong");
}
}
/**
* Async callback handler
*/
private class AddNumbersCallbackHandler implements AsyncHandler<AddNumbersResponse> {
private AddNumbersResponse output;
/*
* @see javax.xml.ws.AsyncHandler#handleResponse(javax.xml.ws.Response)
*/
public void handleResponse(Response<AddNumbersResponse> response) {
System.out.println("AddNumbersCallbackHandler: Received Response from the service");
try {
output = response.get();
} catch (ExecutionException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
AddNumbersResponse getResponse() {
return output;
}
}
}