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* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat, Inc. and/or its affiliates, and individual
* contributors by the @authors tag. See the copyright.txt in the
* distribution for a full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.as.quickstarts.wsat.simple.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.ws.BindingProvider;
import javax.xml.ws.WebServiceRef;
import javax.xml.ws.handler.Handler;
import org.jboss.as.quickstarts.wsat.simple.jaxws.RestaurantServiceAT;
import org.jboss.as.quickstarts.wsat.simple.jaxws.RestaurantServiceATService;
import com.arjuna.mw.wst11.UserTransaction;
import com.arjuna.mw.wst11.UserTransactionFactory;
import com.arjuna.mw.wst11.client.JaxWSHeaderContextProcessor;
/**
* <p>
* A simple servlet 3 that begins a WS-AtomicTransaction and invokes a Web service. If the call is successful, the transaction
* is committed.
* </p>
* <p/>
* <p/>
* The servlet is registered and mapped to /WSATSimpleServletClient using the {@linkplain javax.servlet.annotation.WebServlet}
*
* @author Paul Robinson (paul.robinson@redhat.com)
* @HttpServlet .
* </p>
*/
@WebServlet("/WSATSimpleServletClient")
public class WSATSimpleServletClient extends HttpServlet {
private static final long serialVersionUID = -8314035702649252239L;
@WebServiceRef(value = RestaurantServiceATService.class)
private RestaurantServiceAT client;
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
/*
* Add client handler chain
*/
BindingProvider bindingProvider = (BindingProvider) client;
List<Handler> handlers = new ArrayList<Handler>(1);
handlers.add(new JaxWSHeaderContextProcessor());
bindingProvider.getBinding().setHandlerChain(handlers);
/*
* Lookup the DNS name of the server from the environment and set the endpoint address on the client.
*/
String openshift = System.getenv("OPENSHIFT_APP_DNS");
if (openshift != null) {
bindingProvider.getRequestContext().put(BindingProvider.ENDPOINT_ADDRESS_PROPERTY,
"http://" + openshift + "/RestaurantServiceAT");
}
resp.setContentType("text/html");
PrintWriter out = resp.getWriter();
out.write("<h1>Quickstart: This example demonstrates the deployment of a WS-AT (WS-AtomicTransaction) enabled JAX-WS Web service bundled in a war archive for deployment to *JBoss WildFly*.</h1>");
System.out.println("[CLIENT] Creating a new WS-AT User Transaction");
UserTransaction ut = UserTransactionFactory.userTransaction();
try {
System.out
.println("[CLIENT] Beginning Atomic Transaction (All calls to Web services that support WS-AT wil be included in this transaction)");
ut.begin();
System.out.println("[CLIENT] invoking makeBooking() on WS");
client.makeBooking();
System.out.println("[CLIENT] committing Atomic Transaction (This will cause the AT to complete successfully)");
ut.commit();
out.write("<p><i>Go to your WildFly console or Server log to see the result of the transaction</i></p>");
} catch (Exception e) {
e.printStackTrace();
} finally {
rollbackIfActive(ut);
client.reset();
}
}
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
doGet(req, resp);
}
/**
* Utility method for rolling back a transaction if it is currently active.
*
* @param ut The User Business Activity to cancel.
*/
private void rollbackIfActive(UserTransaction ut) {
try {
ut.rollback();
} catch (Throwable th2) {
// do nothing, not active
}
}
}