/**
* Copyright 2005-2011 Noelios Technologies.
*
* The contents of this file are subject to the terms of one of the following
* open source licenses: LGPL 3.0 or LGPL 2.1 or CDDL 1.0 or EPL 1.0 (the
* "Licenses"). You can select the license that you prefer but you may not use
* this file except in compliance with one of these Licenses.
*
* You can obtain a copy of the LGPL 3.0 license at
* http://www.opensource.org/licenses/lgpl-3.0.html
*
* You can obtain a copy of the LGPL 2.1 license at
* http://www.opensource.org/licenses/lgpl-2.1.php
*
* You can obtain a copy of the CDDL 1.0 license at
* http://www.opensource.org/licenses/cddl1.php
*
* You can obtain a copy of the EPL 1.0 license at
* http://www.opensource.org/licenses/eclipse-1.0.php
*
* See the Licenses for the specific language governing permissions and
* limitations under the Licenses.
*
* Alternatively, you can obtain a royalty free commercial license with less
* limitations, transferable or non-transferable, directly at
* http://www.noelios.com/products/restlet-engine
*
* Restlet is a registered trademark of Noelios Technologies.
*/
package org.restlet.engine.application;
import org.restlet.Application;
import org.restlet.Context;
import org.restlet.Request;
import org.restlet.Response;
import org.restlet.Restlet;
import org.restlet.data.Status;
import org.restlet.engine.CompositeHelper;
import org.restlet.routing.Filter;
import org.restlet.service.Service;
// [excludes gwt]
/**
* Application implementation.
*
* @author Jerome Louvel
*/
public class ApplicationHelper extends CompositeHelper<Application> {
/**
* Constructor.
*
* @param application
* The application to help.
*/
public ApplicationHelper(Application application) {
super(application);
}
/**
* In addition to the default behavior, it saves the current application
* instance into the current thread.
*
* @param request
* The request to handle.
* @param response
* The response to update.
*/
@Override
public void handle(Request request, Response response) {
// Save the current application
Application.setCurrent(getHelped());
// Actually handle call
super.handle(request, response);
}
/**
* Sets the context.
*
* @param context
* The context.
*/
public void setContext(Context context) {
if (context != null) {
setOutboundNext(context.getClientDispatcher());
}
}
/** Start hook. */
@Override
public synchronized void start() throws Exception {
Filter filter = null;
for (Service service : getHelped().getServices()) {
if (service.isEnabled()) {
// Attach the service inbound filters
filter = service
.createInboundFilter((getContext() == null) ? null
: getContext().createChildContext());
if (filter != null) {
addInboundFilter(filter);
}
// Attach the service outbound filters
filter = service
.createOutboundFilter((getContext() == null) ? null
: getContext().createChildContext());
if (filter != null) {
addOutboundFilter(filter);
}
}
}
// Attach the Application's server root Restlet
setInboundNext(getHelped().getInboundRoot());
if (getOutboundNext() == null) {
// Warn about chaining problem
setOutboundNext(new Restlet() {
@Override
public void handle(Request request, Response response) {
response.setStatus(Status.SERVER_ERROR_INTERNAL,
"The server isn't properly configured to handle client calls.");
getLogger()
.warning(
"By default, the outbound root of an application can't handle calls without being attached to a parent component.");
}
});
}
}
@Override
public synchronized void stop() throws Exception {
clear();
}
@Override
public void update() throws Exception {
}
}