/*
* JBoss, Home of Professional Open Source
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY 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 along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.seam.resteasy;
import org.jboss.resteasy.spi.ResourceFactory;
import org.jboss.resteasy.spi.InjectorFactory;
import org.jboss.resteasy.spi.HttpRequest;
import org.jboss.resteasy.spi.HttpResponse;
import org.jboss.resteasy.spi.ResteasyProviderFactory;
import org.jboss.resteasy.core.PropertyInjectorImpl;
import org.jboss.seam.contexts.Contexts;
import org.jboss.seam.Component;
import org.jboss.seam.log.Log;
import org.jboss.seam.log.Logging;
/**
* Looks up Seam component in Seam contexts when a JAX-RS resource is requested.
*
* @author Christian Bauer
*/
public class SeamResteasyResourceFactory implements ResourceFactory
{
Log log = Logging.getLog(SeamResteasyResourceFactory.class);
private final Class<?> resourceType;
private final Component seamComponent;
private final ResteasyProviderFactory providerFactory;
public SeamResteasyResourceFactory(Class<?> resourceType, Component seamComponent, ResteasyProviderFactory providerFactory)
{
this.resourceType = resourceType;
this.seamComponent = seamComponent;
this.providerFactory = providerFactory;
}
public Class<?> getScannableClass()
{
return resourceType;
}
public void registered(InjectorFactory factory)
{
// Wrap the Resteasy PropertyInjectorImpl in a Seam interceptor (for @Context injection)
seamComponent.addInterceptor(
new ResteasyContextInjectionInterceptor(
new PropertyInjectorImpl(getScannableClass(), providerFactory)
)
);
// NOTE: Adding an interceptor to Component at this stage means that the interceptor is
// always executed last in the chain. The sorting of interceptors of a Component occurs
// only when the Component metadata is instantiated. This is OK in this case, as the
// JAX RS @Context injection can occur last after all other interceptors executed.
}
public Object createResource(HttpRequest request, HttpResponse response, InjectorFactory factory)
{
// Push this onto event context so we have it available in ResteasyContextInjectionInterceptor
Contexts.getEventContext().set(ResteasyContextInjectionInterceptor.RE_HTTP_REQUEST_VAR, request);
Contexts.getEventContext().set(ResteasyContextInjectionInterceptor.RE_HTTP_RESPONSE_VAR, response);
log.debug("creating RESTEasy resource instance by looking up Seam component: " + seamComponent.getName());
return Component.getInstance(seamComponent.getName());
}
public void requestFinished(HttpRequest request, HttpResponse response, Object resource)
{
}
public void unregistered()
{
}
}