package com.arcbees.guicyresteasy;
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 (final Binding<?> binding : injector.getBindings().values()) {
Type type = binding.getKey().getTypeLiteral().getType();
if (type instanceof Class) {
Class<?> beanClass = (Class) type;
if (GetRestful.isRootResource(beanClass)) {
ResourceFactory resourceFactory = new GuiceResourceFactory(binding.getProvider(), beanClass);
registry.addResourceFactory(resourceFactory);
}
if (beanClass.isAnnotationPresent(Provider.class)) {
providerFactory.registerProviderInstance(binding.getProvider().get());
}
}
}
}
}