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package com.github.dockerjava.netty.exec;

import static com.google.common.net.UrlEscapers.urlPathSegmentEscaper;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.fasterxml.jackson.core.type.TypeReference;
import com.github.dockerjava.api.async.ResultCallback;
import com.github.dockerjava.api.command.EventsCmd;
import com.github.dockerjava.api.model.Event;
import com.github.dockerjava.core.DockerClientConfig;
import com.github.dockerjava.core.util.FiltersEncoder;
import com.github.dockerjava.netty.WebTarget;

public class EventsCmdExec extends AbstrAsyncDockerCmdExec implements EventsCmd.Exec {

    private static final Logger LOGGER = LoggerFactory.getLogger(EventsCmdExec.class);

    public EventsCmdExec(WebTarget baseResource, DockerClientConfig dockerClientConfig) {
        super(baseResource, dockerClientConfig);
    }

    @Override
    protected Void execute0(EventsCmd command, ResultCallback resultCallback) {

        WebTarget webTarget = getBaseResource().path("/events").queryParam("since", command.getSince())
                .queryParam("until", command.getUntil());

        if (command.getFilters() != null && !command.getFilters().isEmpty()) {
            webTarget = webTarget
                    .queryParam("filters", urlPathSegmentEscaper().escape(FiltersEncoder.jsonEncode(command.getFilters())));
        }

        LOGGER.trace("GET: {}", webTarget);

        webTarget.request().get(new TypeReference() {
        }, resultCallback);

        return null;
    }
}