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/*
 * Copyright (C) 2020 Graylog, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the Server Side Public License, version 1,
 * as published by MongoDB, Inc.
 *
 * This program 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
 * Server Side Public License for more details.
 *
 * You should have received a copy of the Server Side Public License
 * along with this program. If not, see
 * .
 */
package org.graylog.plugins.cef;

import com.google.inject.Binder;
import com.google.inject.TypeLiteral;
import com.google.inject.multibindings.MapBinder;
import org.graylog.plugins.cef.codec.CEFCodec;
import org.graylog.plugins.cef.input.CEFAmqpInput;
import org.graylog.plugins.cef.input.CEFKafkaInput;
import org.graylog.plugins.cef.input.CEFTCPInput;
import org.graylog.plugins.cef.input.CEFUDPInput;
import org.graylog.plugins.cef.pipelines.rules.CEFParserFunction;
import org.graylog.plugins.pipelineprocessor.ast.functions.Function;
import org.graylog2.plugin.PluginModule;

public class CEFInputModule extends PluginModule {
    @Override
    protected void configure() {
        // Register message input.
        addCodec(CEFCodec.NAME, CEFCodec.class);

        addMessageInput(CEFUDPInput.class);
        addMessageInput(CEFTCPInput.class);

        addMessageInput(CEFAmqpInput.class);
        addMessageInput(CEFKafkaInput.class);

        // Register pipeline function.
        addMessageProcessorFunction(CEFParserFunction.NAME, CEFParserFunction.class);
    }

    private void addMessageProcessorFunction(String name, Class> functionClass) {
        addMessageProcessorFunction(binder(), name, functionClass);
    }

    private MapBinder> processorFunctionBinder(Binder binder) {
        return MapBinder.newMapBinder(binder, TypeLiteral.get(String.class), new TypeLiteral>() {});
    }

    private void addMessageProcessorFunction(Binder binder, String name, Class> functionClass) {
        processorFunctionBinder(binder).addBinding(name).to(functionClass);
    }
}