Movie.java

package Movie;

import java.util.NoSuchElementException;

public class Movie {

    String title;
    private MovieRating lista[];
    private int cont;
    private int max = 100;

    /**
     * Creates a new movie with the list of ratings empty .
     *
     * @param title Movie.Movie title .
     */
    public Movie(String title) {
        this.title=title;
        this.lista=new MovieRating[max];
        this.cont = 0;
    }

    /**
     * Returns the movie title
     *
     * @return the movie title .
     */
    public String getTitle() {
        return title;
    }

    /**
     * Inserts a new movieRating .
     * It is allowed to insert NOT_RATED .
     *
     * @param movieRating Movie.MovieRating to be inserted .
     */
    public void insertRating(MovieRating movieRating) {
        if(cont>=100){
            MovieRating[] temp = new MovieRating[max+1];
            for(int i =0; i< cont; i++){
                temp[i] = lista[i];
            }
            lista = temp;
            max++;
        }
        lista[cont] = movieRating;
        cont++;
    }

    /**
     * Check if this movie has any rating .
     *
     * @return true if and only if there is a valuation other than NOT_RATED .
     */
    public boolean isRated() {
        if(lista[0]==null){
            return false;
        }else return true;
    }

    /**
     * Gets the highest rating for this movie .
     *
     * @return maximum rating ; or NOT_RATED if there are no ratings .
     */
    public MovieRating maximumRating() {
        int x;
        MovieRating mejorvaloracion = MovieRating.NOT_RATED;
        for(x=0; lista[x] != null; x++){
            if(mejorvaloracion.getNumericRating() < lista[x].getNumericRating()){
                mejorvaloracion = lista[x];
            }
        }
        return mejorvaloracion;
    }

    /**
     * Calculate the numerical average rating of this movie .
     * NOT_RATED values are not considered .
     *
     * @return Numerical average rating of this movie .
     * @throws java . util . NoSuchElementException if there are no valid ratings .
     */
    public double averageRating() {
        int x;
        int suma = 0;
        int cont2=0;
        for(x = 0; lista[x]!=null; x++){
            if(lista[x] != MovieRating.NOT_RATED) {
                suma = suma + lista[x].getNumericRating();
                cont2++;
            }
        }
        if(cont2==0){
            throw new NoSuchElementException("No hay valoraciones");
        }else {
            return (double) suma / cont2;
        }
    }
}