DataAnalyser.java

/*
 * The GPLv3 licence :
 * -----------------
 * Copyright (c) 2009 Ricardo Dias
 *
 * This file is part of MuVis.
 *
 * MuVis 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.
 *
 * MuVis 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 MuVis.  If not, see <http://www.gnu.org/licenses/>.
 */
package muvis.analyser;

import java.util.ArrayList;
import muvis.analyser.loader.Loader;
import muvis.analyser.loader.MusicLoader;
import muvis.util.Observable;
import muvis.util.Observer;

/**
 * Class that holds the processing of the data
 * @author Ricardo
 */
public class DataAnalyser extends Thread implements Observable {

    private ArrayList<Observer> observers;
    private Loader loader;
    private String[] paths;

    public DataAnalyser(String[] paths) {
        this.paths = paths;
        loader = new MusicLoader();
        observers = new ArrayList<Observer>();
    }

    @Override
    public void run() {
        analyse();
    }

    public void setPaths(String[] paths) {
        this.paths = paths;
    }

    private void analyse() {

        loader.load(paths);
    }

    @Override
    public void registerObserver(Observer obs) {
        observers.add(obs);

        Observable observable = (Observable) loader;
        observable.registerObserver(obs);
    }

    @Override
    public void unregisterObserver(Observer obs) {
        observers.remove(obs);
        Observable observable = (Observable) loader;
        observable.unregisterObserver(obs);
    }

    @Override
    public void updateObservers() {
        for (Observer obs : observers) {
            obs.update(this, null);
        }
    }
}