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Graylog
There is a newer version: 5.2.7
/**
 * This file is part of Graylog.
 *
 * Graylog is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Graylog 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Graylog.  If not, see .
 */
package org.graylog2.shared.bindings;

import com.codahale.metrics.MetricRegistry;
import com.google.common.eventbus.EventBus;
import com.google.common.util.concurrent.ServiceManager;
import com.google.inject.AbstractModule;
import com.google.inject.Scopes;
import com.google.inject.TypeLiteral;
import com.google.inject.assistedinject.FactoryModuleBuilder;
import com.google.inject.name.Names;
import okhttp3.OkHttpClient;
import org.graylog2.plugin.IOState;
import org.graylog2.plugin.LocalMetricRegistry;
import org.graylog2.plugin.buffers.InputBuffer;
import org.graylog2.plugin.inputs.MessageInput;
import org.graylog2.plugin.inputs.util.ThroughputCounter;
import org.graylog2.plugin.system.NodeId;
import org.graylog2.shared.bindings.providers.EventBusProvider;
import org.graylog2.shared.bindings.providers.MetricRegistryProvider;
import org.graylog2.shared.bindings.providers.NodeIdProvider;
import org.graylog2.shared.bindings.providers.OkHttpClientProvider;
import org.graylog2.shared.bindings.providers.ProxiedRequestsExecutorService;
import org.graylog2.shared.bindings.providers.ServiceManagerProvider;
import org.graylog2.shared.bindings.providers.SystemOkHttpClientProvider;
import org.graylog2.shared.buffers.InputBufferImpl;
import org.graylog2.shared.buffers.ProcessBuffer;
import org.graylog2.shared.buffers.processors.DecodingProcessor;
import org.graylog2.shared.inputs.InputRegistry;

import javax.activation.MimetypesFileTypeMap;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Semaphore;

public class GenericBindings extends AbstractModule {

    @Override
    protected void configure() {
        // This is holding all our metrics.
        bind(MetricRegistry.class).toProvider(MetricRegistryProvider.class).asEagerSingleton();
        bind(LocalMetricRegistry.class).in(Scopes.NO_SCOPE); // must not be a singleton!

        install(new FactoryModuleBuilder().build(DecodingProcessor.Factory.class));

        bind(ProcessBuffer.class).asEagerSingleton();
        bind(InputBuffer.class).to(InputBufferImpl.class);
        bind(NodeId.class).toProvider(NodeIdProvider.class);

        bind(ServiceManager.class).toProvider(ServiceManagerProvider.class).asEagerSingleton();

        bind(ThroughputCounter.class);

        bind(EventBus.class).toProvider(EventBusProvider.class).in(Scopes.SINGLETON);

        bind(Semaphore.class).annotatedWith(Names.named("JournalSignal")).toInstance(new Semaphore(0));

        install(new FactoryModuleBuilder().build(new TypeLiteral>(){}));

        bind(InputRegistry.class).asEagerSingleton();

        bind(OkHttpClient.class).toProvider(OkHttpClientProvider.class).asEagerSingleton();
        bind(OkHttpClient.class).annotatedWith(Names.named("systemHttpClient")).toProvider(SystemOkHttpClientProvider.class).asEagerSingleton();

        bind(MimetypesFileTypeMap.class).toInstance(new MimetypesFileTypeMap());

        bind(ExecutorService.class).annotatedWith(Names.named("proxiedRequestsExecutorService")).toProvider(ProxiedRequestsExecutorService.class).asEagerSingleton();
    }
}