io.airlift.rack.RackModule Maven / Gradle / Ivy
/*
* Copyright 2010 Proofpoint, 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 io.airlift.rack;
import com.google.inject.Binder;
import com.google.inject.Module;
import com.google.inject.Provides;
import com.google.inject.Scopes;
import io.airlift.configuration.ConfigurationModule;
import io.airlift.http.server.TheServlet;
import javax.servlet.Servlet;
import java.util.Collections;
import java.util.Map;
public class RackModule implements Module
{
@Override
public void configure(Binder binder)
{
binder.requireExplicitBindings();
binder.disableCircularProxies();
binder.bind(Servlet.class).annotatedWith(TheServlet.class).to(RackServlet.class).in(Scopes.SINGLETON);
ConfigurationModule.bindConfig(binder).to(RackServletConfig.class);
binder.bind(RackAnnouncer.class).asEagerSingleton();
}
/**
* This is a provider that is expected by our http-server module, so it doesn't serve any purpose for us right now, it just allows Guice to create it's bindings.
* @return an empty map
*/
@Provides
@TheServlet
public Map createTheServletParams()
{
return Collections.emptyMap();
}
}