Album.java

import java.io.Serializable;
import java.util.ArrayList;

/**
 * The Responder class keeping creating song
 *
 * @author omid mahyar and pouyan hesabi *
 * @version 1.0  (1398/04/01)
 */
public class Album implements Serializable {
    private String name;
    private ArrayList<Song> songs = new ArrayList<>();

    public Album(String name) {
        this.name = name;
    }

    public String getName() {
        return name;
    }

    /**
     * Addingn a song to album
     *
     * @param song a Song for adding too album
     */
    public void setSong(Song song) {
        songs.add(song);
    }

    /**
     * Removing a song to album
     *
     * @param song a Song for removing from album
     */
    public void removeSong(Song song) {
        songs.remove(song);
    }

    public void setNewName(String s) {
        name = s;
    }

    /**
     * replacing a song in album
     *
     * @param song a Song for replacing in album
     */
    public void replace(Song song) {
        if (!song.equals(songs.get(0))) {
            songs.remove(song);
            songs.add(0, song);
        }
    }

    public ArrayList<Song> getSongs() {
        return songs;
    }

}