/*
* JBoss, Home of Professional Open Source
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags.
* See the copyright.txt in the distribution for a full listing
* of individual contributors.
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
* (C) 2005-2006,
* @author JBoss Inc.
*/
/*
* BasicClient.java
*
* Copyright (c) 2003, 2004 Arjuna Technologies Ltd.
*
* $Id: BasicClient.java,v 1.10 2004/12/02 16:52:58 kconner Exp $
*
*/
package com.jboss.jbosstm.xts.demo.client;
import com.arjuna.mw.wst11.UserBusinessActivity;
import com.arjuna.mw.wst11.UserBusinessActivityFactory;
import com.arjuna.mw.wst11.UserTransaction;
import com.arjuna.mw.wst11.UserTransactionFactory;
import com.arjuna.mw.wst11.client.JaxWSHeaderContextProcessor;
import com.arjuna.wst.TransactionRolledBackException;
import com.jboss.jbosstm.xts.demo.restaurant.IRestaurantServiceAT;
import com.jboss.jbosstm.xts.demo.restaurant.IRestaurantServiceBA;
import com.jboss.jbosstm.xts.demo.taxi.ITaxiServiceAT;
import com.jboss.jbosstm.xts.demo.taxi.ITaxiServiceBA;
import com.jboss.jbosstm.xts.demo.theatre.ITheatreServiceAT;
import com.jboss.jbosstm.xts.demo.theatre.ITheatreServiceBA;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.namespace.QName;
import javax.xml.ws.BindingProvider;
import javax.xml.ws.Service;
import javax.xml.ws.handler.Handler;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Collections;
import java.util.List;
/**
* A very basic client application that drives the
* (transactional) Web Services to arrange a night out.
*
* @author Jonathan Halliday (jonathan.halliday@arjuna.com)
* @version $Id: BasicClient.java,v 1.10 2004/12/02 16:52:58 kconner Exp $
*/
public class BasicClient extends HttpServlet
{
/**
* The client serial version UID.
*/
private static final long serialVersionUID = 7728495576623420083L ;
/**
* The servlet context.
*/
private ServletContext context ;
/***** RESTAURANT SERVICE *****/
/**
* The namespace for the Restaurant webservice.
*/
private static final String RESTAURANT_NS = "http://www.jboss.com/jbosstm/xts/demo/Restaurant" ;
/**
* The prefix for the Restaurant webservice.
*/
private static final String RESTAURANT_PREFIX = "restaurant";
/**
* The local name for the AT Restaurant webservice.
*/
private static final String RESTAURANT_SERVICE_AT = "RestaurantServiceATService";
/**
* The QName for the AT Restaurant webservice.
*/
private static final QName RESTAURANT_SERVICE_AT_QNAME
= new QName(RESTAURANT_NS, RESTAURANT_SERVICE_AT, RESTAURANT_PREFIX);
/**
* The local name for the BA Restaurant webservice.
*/
private static final String RESTAURANT_SERVICE_BA = "RestaurantServiceBAService" ;
/**
* The QName for the AT Restaurant webservice.
*/
private static final QName RESTAURANT_SERVICE_BA_QNAME
= new QName(RESTAURANT_NS, RESTAURANT_SERVICE_BA, RESTAURANT_PREFIX);
/**
* The local name for the AT Restaurant _.
*/
private static final String RESTAURANT_ENDPOINT_AT = "RestaurantServiceAT";
/**
* The QName for the AT Restaurant endpoint.
*/
private static final QName RESTAURANT_ENDPOINT_AT_QNAME
= new QName(RESTAURANT_NS, RESTAURANT_ENDPOINT_AT, RESTAURANT_PREFIX);
/**
* The local name for the BA Restaurant endpoint.
*/
private static final String RESTAURANT_ENDPOINT_BA = "RestaurantServiceBA";
/**
* The QName for the BA Restaurant endpoint.
*/
private static final QName RESTAURANT_ENDPOINT_BA_QNAME
= new QName(RESTAURANT_NS, RESTAURANT_ENDPOINT_BA, RESTAURANT_PREFIX);
/***** THEATRE SERVICE *****/
/**
* The namespace for the Theatre webservice.
*/
private static final String THEATRE_NS = "http://www.jboss.com/jbosstm/xts/demo/Theatre" ;
/**
* The prefix for the Theatre webservice.
*/
private static final String THEATRE_PREFIX = "theatre";
/**
* The local name for the AT Theatre webservice.
*/
private static final String THEATRE_SERVICE_AT = "TheatreServiceATService";
/**
* The QName for the AT Theatre webservice.
*/
private static final QName THEATRE_SERVICE_AT_QNAME
= new QName(THEATRE_NS, THEATRE_SERVICE_AT, THEATRE_PREFIX);
/**
* The local name for the BA Theatre webservice.
*/
private static final String THEATRE_SERVICE_BA = "TheatreServiceBAService" ;
/**
* The QName for the AT Theatre webservice.
*/
private static final QName THEATRE_SERVICE_BA_QNAME
= new QName(THEATRE_NS, THEATRE_SERVICE_BA, THEATRE_PREFIX);
/**
* The local name for the AT Theatre endpoint.
*/
private static final String THEATRE_ENDPOINT_AT = "TheatreServiceAT";
/**
* The QName for the AT Theatre endpoint.
*/
private static final QName THEATRE_ENDPOINT_AT_QNAME
= new QName(THEATRE_NS, THEATRE_ENDPOINT_AT, THEATRE_PREFIX);
/**
* The local name for the BA Theatre endpoint.
*/
private static final String THEATRE_ENDPOINT_BA = "TheatreServiceBA";
/**
* The QName for the BA Theatre endpoint.
*/
private static final QName THEATRE_ENDPOINT_BA_QNAME
= new QName(THEATRE_NS, THEATRE_ENDPOINT_BA, THEATRE_PREFIX);
/***** TAXI SERVICE *****/
/**
* The namespace for the Taxi webservice.
*/
private static final String TAXI_NS = "http://www.jboss.com/jbosstm/xts/demo/Taxi" ;
/**
* The prefix for the Taxi webservice.
*/
private static final String TAXI_PREFIX = "taxi";
/**
* The local name for the AT Taxi webservice.
*/
private static final String TAXI_SERVICE_AT = "TaxiServiceATService";
/**
* The QName for the AT Taxi webservice.
*/
private static final QName TAXI_SERVICE_AT_QNAME
= new QName(TAXI_NS, TAXI_SERVICE_AT, TAXI_PREFIX);
/**
* The local name for the BA Taxi webservice.
*/
private static final String TAXI_SERVICE_BA = "TaxiServiceBAService" ;
/**
* The QName for the AT Taxi webservice.
*/
private static final QName TAXI_SERVICE_BA_QNAME
= new QName(TAXI_NS, TAXI_SERVICE_BA, TAXI_PREFIX);
/**
* The local name for the AT Taxi endpoint.
*/
private static final String TAXI_ENDPOINT_AT = "TaxiServiceAT";
/**
* The QName for the AT Taxi endpoint.
*/
private static final QName TAXI_ENDPOINT_AT_QNAME
= new QName(TAXI_NS, TAXI_ENDPOINT_AT, TAXI_PREFIX);
/**
* The local name for the BA Taxi endpoint.
*/
private static final String TAXI_ENDPOINT_BA = "TaxiServiceBA";
/**
* The QName for the BA Taxi endpoint.
*/
private static final QName TAXI_ENDPOINT_BA_QNAME
= new QName(TAXI_NS, TAXI_ENDPOINT_BA, TAXI_PREFIX);
/***** Client Handles for Service Endpoint Ports *****/
/**
* The atomic transaction restaurant stub.
*/
private IRestaurantServiceAT restaurantAT;
/**
* The atomic transaction theatre stub.
*/
private ITheatreServiceAT theatreAT;
/**
* The atomic transaction taxi stub.
*/
private ITaxiServiceAT taxiAT;
/**
* The business activity restaurant stub.
*/
private IRestaurantServiceBA restaurantBA;
/**
* The business activity theatre stub.
*/
private ITheatreServiceBA theatreBA;
/**
* The business activity taxi stub.
*/
private ITaxiServiceBA taxiBA;
/***** Endpoint Addresses *****/
/**
* URL of restaurant AT
*/
private String restaurantATURL ;
/**
* URL of restaurant BA
*/
private String restaurantBAURL ;
/**
* URL of taxi AT
*/
private String taxiATURL ;
/**
* URL of taxi BA
*/
private String taxiBAURL ;
/**
* URL of theatre AT
*/
private String theatreATURL ;
/**
* URL of theatre BA
*/
private String theatreBAURL ;
/***** WSDL file locations *****/
/**
* URL of restaurant AT
*/
private final String restaurantATWSDL = "wsdl/RestaurantServiceAT.wsdl";
/**
* URL of restaurant BA
*/
private final String restaurantBAWSDL = "wsdl/RestaurantServiceBA.wsdl";
/**
* URL of taxi AT */
private final String taxiATWSDL = "wsdl/TaxiServiceAT.wsdl";
/**
* URL of taxi BA
*/
private final String taxiBAWSDL = "wsdl/TaxiServiceBA.wsdl";
/**
* URL of theatre AT
*/
private final String theatreATWSDL = "wsdl/TheatreServiceAT.wsdl";
/**
* URL of theatre BA
*/
private final String theatreBAWSDL = "wsdl/TheatreServiceBA.wsdl";
/**
* The initialised flag.
*/
private boolean initialised ;
/**
* Initialise the servlet.
* @param config The servlet configuration.
*/
public void init(final ServletConfig config)
throws ServletException
{
final String baseURL = "http://localhost:8080/xtsdemowebservices/" ;
restaurantATURL = getURL(config, "restaurantATURL", baseURL + RESTAURANT_SERVICE_AT);
restaurantBAURL = getURL(config, "restaurantBAURL", baseURL + RESTAURANT_SERVICE_BA);
taxiATURL = getURL(config, "taxiATURL", baseURL + TAXI_SERVICE_AT);
taxiBAURL = getURL(config, "taxiBAURL", baseURL + TAXI_SERVICE_BA);
theatreATURL = getURL(config, "theatreATURL", baseURL + THEATRE_SERVICE_AT);
theatreBAURL = getURL(config, "theatreBAURL", baseURL + THEATRE_SERVICE_BA);
context = config.getServletContext();
}
/**
* configure the XTS client handler which manages transaction flow for invocations of the services
*
* @param bindingProvider
*/
private void configureClientHandler(BindingProvider bindingProvider)
{
Handler handler = new JaxWSHeaderContextProcessor();
List<Handler> handlers = Collections.singletonList(handler);
bindingProvider.getBinding().setHandlerChain(handlers);
}
/**
* Initialise if necessary
*/
private synchronized void initialise()
throws ServletException
{
if (!initialised)
{
try
{
restaurantAT = getService(RESTAURANT_SERVICE_AT_QNAME, RESTAURANT_ENDPOINT_AT_QNAME,
restaurantATURL, restaurantATWSDL, IRestaurantServiceAT.class);
configureClientHandler((BindingProvider)restaurantAT);
restaurantBA = getService(RESTAURANT_SERVICE_BA_QNAME, RESTAURANT_ENDPOINT_BA_QNAME,
restaurantBAURL, restaurantBAWSDL, IRestaurantServiceBA.class);
configureClientHandler((BindingProvider)restaurantBA);
theatreAT = getService(THEATRE_SERVICE_AT_QNAME, THEATRE_ENDPOINT_AT_QNAME,
theatreATURL, theatreATWSDL, ITheatreServiceAT.class);
configureClientHandler((BindingProvider)theatreAT);
theatreBA = getService(THEATRE_SERVICE_BA_QNAME, THEATRE_ENDPOINT_BA_QNAME,
theatreBAURL, theatreBAWSDL, ITheatreServiceBA.class);
configureClientHandler((BindingProvider)theatreBA);
taxiAT = getService(TAXI_SERVICE_AT_QNAME, TAXI_ENDPOINT_AT_QNAME,
taxiATURL, taxiATWSDL, ITaxiServiceAT.class);
configureClientHandler((BindingProvider)taxiAT);
taxiBA = getService(TAXI_SERVICE_BA_QNAME, TAXI_ENDPOINT_BA_QNAME,
taxiBAURL, taxiBAWSDL, ITaxiServiceBA.class);
configureClientHandler((BindingProvider)taxiBA);
}
catch (final Exception ex)
{
ex.printStackTrace();
throw new ServletException(ex);
}
initialised = true ;
}
}
/**
* Simple wrapper to allow our test method to be invoked when
* running in a servlet container, taking parameters from the
* request URL and displaying the outcome on the resulting html page.
*
* @param request
* @param response
* @throws ServletException
* @throws IOException
*/
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
initialise() ;
// get business logic params from the form submission.
int restaurantSeats = Integer.parseInt(request.getParameter("restaurant"));
int theatreSeats = Integer.parseInt(request.getParameter("theatrecount"));
int theatreArea = Integer.parseInt(request.getParameter("theatrearea"));
int taxiCount = Integer.parseInt(request.getParameter("taxi"));
boolean bookTaxi = (taxiCount >= 1 ? true : false);
String result = "Transaction finished OK.";
String txType = request.getParameter("txType");
try
{
if ("AtomicTransaction".equals(txType))
{
testAtomicTransaction(restaurantSeats, theatreSeats, theatreArea, bookTaxi);
}
else if ("BusinessActivity".equals(txType))
{
if (!testBusinessActivity(restaurantSeats, theatreSeats, theatreArea, bookTaxi))
{
result = "Transaction cancelled/compensated.";
}
}
else
{
result = "Unknown transaction type " + txType;
}
}
catch (final TransactionRolledBackException tre)
{
result = "Transaction rolled back." ;
System.out.println("Transaction rolled back") ;
}
catch (Exception e)
{
result = "Transaction failed! Cause: " + e.toString();
System.out.println("CLIENT: problem: ");
e.printStackTrace(System.out);
}
request.setAttribute("result", result);
context.getRequestDispatcher("/index.jsp").forward(request, response);
}
/**
* Run a simple transaction involving three Web Services.
* Use the Atomic Transaction type.
* <p/>
* Note: due to the implementation of the transaction infrastructure,
* this method must be invoked with a web application container. It will
* not run correctly in a standalone java application.
*
* @throws Exception for any unexpected errors, such as a failure to commit.
*/
private void testAtomicTransaction(int restaurantSeats, int theatreSeats, int theatreArea, boolean bookTaxi) throws Exception
{
System.out.println("CLIENT: obtaining userTransaction...");
UserTransaction ut = UserTransactionFactory.userTransaction();
System.out.println("CLIENT: starting the transaction...");
ut.begin();
System.out.println("CLIENT: transaction ID= " + ut.toString());
System.out.println("CLIENT: calling business Web Services...");
restaurantAT.bookSeats(restaurantSeats);
theatreAT.bookSeats(theatreSeats, theatreArea);
if (bookTaxi)
{
taxiAT.bookTaxi();
}
System.out.println("CLIENT: calling commit on the transaction...");
ut.commit();
System.out.println("done.");
System.out.flush();
}
/**
* Run a simple transaction involving three Web Services.
* Use the Business Activity type.
* <p/>
* Note: due to the implementation of the transaction infrastructure,
* this method must be invoked with a web application container. It will
* not run correctly in a standalone java application.
*
* @throws Exception for any unexpected errors, such as a failure to commit.
*/
private boolean testBusinessActivity(int restaurantSeats, int theatreSeats, int theatreArea, boolean bookTaxi) throws Exception
{
System.out.println("CLIENT: obtaining userBusinessActivity...");
UserBusinessActivity uba = UserBusinessActivityFactory.userBusinessActivity();
System.out.println("CLIENT: starting the transaction...");
uba.begin();
System.out.println("CLIENT: transaction ID= " + uba.toString());
System.out.println("CLIENT: calling business Web Services...");
boolean isOK = false ;
try
{
if (restaurantBA.bookSeats(restaurantSeats) && theatreBA.bookSeats(theatreSeats, theatreArea))
{
isOK = !bookTaxi || taxiBA.bookTaxi() ;
}
}
catch (final Throwable th)
{
System.out.println("CLIENT: caught exception processing bookings, cancelling (" + th.getMessage() + ")") ;
}
if (isOK)
{
System.out.println("CLIENT: all OK");
System.out.println("CLIENT: calling close on the transaction...");
uba.close();
}
else
{
System.out.println("CLIENT: one or more services failed, calling cancel.");
uba.cancel();
}
System.out.println("CLIENT: done.");
System.out.flush();
return isOK;
}
/**
* @param config The servlet config
* @param property The property name
* @param defaultValue The default value.
* @return The initialisation property value or the default value if not present.
*/
private String getURL(final ServletConfig config, final String property, final String defaultValue)
{
// allow command line override via system property
String value = System.getProperty(property);
if (value == null) {
value = config.getInitParameter(property) ;
}
return (value == null ? defaultValue : value) ;
}
/**
* Get an endpoint reference for a service so we can create a JaxWS port for it
* @param serviceName the QName of the service in question..
* @param endpointName the QName of the endpoint associated with the service
* @param address a string representation of the service URL. null is ok if this is a service located in the
* same app as the client
* @return a W3CEndpointReference from which the service port can be obtained.
*/
private <T> T getService(final QName serviceName, final QName endpointName,
final String address, final String wsdlURL, final Class<T> clazz)
throws MalformedURLException
{
URL url = BasicClient.class.getResource("../../../../../../../" + wsdlURL);
Service service = Service.create(url, serviceName);
T port = service.getPort(endpointName, clazz);
BindingProvider bindingProvider = ((BindingProvider) port);
bindingProvider.getRequestContext().put(BindingProvider.ENDPOINT_ADDRESS_PROPERTY, address);
return port;
}
}