jobhunter.monster.Client.java Source code

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Here is the source code for jobhunter.monster.Client.java

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/*
 * Copyright (C) 2014 Alejandro Ayuso
 *
 * This program 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.
 *
 * 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
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package jobhunter.monster;

import java.io.IOException;
import java.net.URISyntaxException;
import java.util.Observable;
import java.util.Observer;

import jobhunter.models.Job;
import jobhunter.plugin.MonsterPlugin;

import org.apache.commons.lang3.StringEscapeUtils;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class Client extends Observable {

    private static final Logger l = LoggerFactory.getLogger(Client.class);

    private final String url;

    private Client(String url) {
        super();
        this.url = url;
    }

    public static Client of(final String url) {
        return new Client(url);
    }

    public Client observe(final Observer o) {
        addObserver(o);
        return this;
    }

    public Job execute() throws IOException, URISyntaxException {
        l.debug("Connecting to {}", url);

        update("Connecting", 1L);
        final Document doc = Jsoup.connect(url).get();

        update("Parsing HTML", 2L);
        final Job job = Job.of();
        job.setPortal(MonsterPlugin.portal);
        job.setLink(url);

        final Element form = doc.getElementById("forApply");

        job.setPosition(form.getElementById("jobPosition").attr("value"));
        job.setAddress(form.getElementById("jobLocation").attr("value"));
        job.setExtId(form.getElementById("jobID").attr("value"));
        job.getCompany().setName(form.getElementById("jobCompany").attr("value"));

        job.setDescription(StringEscapeUtils.unescapeHtml4(doc.getElementById("TrackingJobBody").html()));
        update("Done", 3L);
        return job;
    }

    private void update(String message, Long position) {
        l.debug("Update with [{}, {}]", message, position);
        setChanged();
        notifyObservers(Event.of(message, position));
        clearChanged();
    }

    public static class Event {

        public final String message;
        public final Long position;
        public final Long total = 3L;

        private Event(String message, Long position) {
            super();
            this.message = message;
            this.position = position;
        }

        public static Event of(String message, Long position) {
            return new Event(message, position);
        }

    }

}