/**
* Copyright 2015 ArcBees Inc.
*
* 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 com.arcbees.gaestudio.server.guice;
import java.lang.reflect.Type;
import javax.inject.Inject;
import javax.inject.Singleton;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.ws.rs.ext.Provider;
import org.jboss.resteasy.plugins.guice.GuiceResourceFactory;
import org.jboss.resteasy.plugins.server.servlet.FilterDispatcher;
import org.jboss.resteasy.spi.Registry;
import org.jboss.resteasy.spi.ResourceFactory;
import org.jboss.resteasy.spi.ResteasyProviderFactory;
import org.jboss.resteasy.util.GetRestful;
import com.google.inject.Binding;
import com.google.inject.Injector;
@Singleton
public class GuiceRestEasyFilterDispatcher extends FilterDispatcher {
@Inject
Injector injector;
@Override
public void init(FilterConfig servletConfig) throws ServletException {
super.init(servletConfig);
Registry registry = getDispatcher().getRegistry();
ResteasyProviderFactory providerFactory = getDispatcher().getProviderFactory();
for (Binding<?> binding : injector.getBindings().values()) {
Type type = binding.getKey().getTypeLiteral().getType();
if (type instanceof Class) {
Class<?> beanClass = (Class) type;
if (GetRestful.isRootResource(beanClass) && beanClass.isAnnotationPresent(GaeStudioResource.class)) {
ResourceFactory resourceFactory = new GuiceResourceFactory(binding.getProvider(), beanClass);
registry.removeRegistrations(beanClass);
registry.addResourceFactory(resourceFactory);
}
if (beanClass.isAnnotationPresent(Provider.class)) {
providerFactory.registerProviderInstance(binding.getProvider().get());
}
}
}
}
}