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/**
 * 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.providers;

import com.codahale.metrics.json.MetricsModule;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.PropertyNamingStrategy;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.datatype.guava.GuavaModule;
import com.fasterxml.jackson.datatype.joda.JodaModule;
import org.graylog2.shared.jackson.SizeSerializer;
import org.graylog2.shared.rest.RangeJsonSerializer;

import javax.inject.Provider;
import javax.inject.Singleton;
import java.util.concurrent.TimeUnit;

@Singleton
public class ObjectMapperProvider implements Provider {
    protected final ObjectMapper objectMapper;

    public ObjectMapperProvider() {
        this.objectMapper = new ObjectMapper()
                .disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS)
                .setPropertyNamingStrategy(new PropertyNamingStrategy.LowerCaseWithUnderscoresStrategy())
                .registerModule(new JodaModule())
                .registerModule(new GuavaModule())
                .registerModule(new MetricsModule(TimeUnit.SECONDS, TimeUnit.SECONDS, false))
                .registerModule(new SimpleModule()
                        .addSerializer(new RangeJsonSerializer())
                        .addSerializer(new SizeSerializer()));
    }

    @Override
    public ObjectMapper get() {
        return objectMapper;
    }
}