From a26f420c907822bbcff22601d7ff805ce24e2864 Mon Sep 17 00:00:00 2001 From: Hesam Ghazi Date: Sat, 20 Jun 2026 23:54:29 +0330 Subject: [PATCH] Implementation of HW5-IMDB-Scraper is complete --- src/main/java/Main.java | 32 +++++++++++++++-- src/main/java/Movie.java | 32 +++++++++++------ src/main/java/Parser.java | 75 ++++++++++++++++++++++++++++----------- 3 files changed, 107 insertions(+), 32 deletions(-) diff --git a/src/main/java/Main.java b/src/main/java/Main.java index 473dd4d..d361310 100644 --- a/src/main/java/Main.java +++ b/src/main/java/Main.java @@ -1,4 +1,13 @@ +/** + * + * @author Hesam Ghazi + * Student Number: 403222015 + * @version 1.0 + */ + import java.io.IOException; +import java.util.List; + public class Main { public static void main(String[] args) { @@ -12,11 +21,30 @@ public class Main { // TODO: You can test your code here before you run the unit tests. // Example: Call your sorting methods, iterate through the returned list, // and print out the movies to see if they match the expected results in the Help folder. - - System.out.println("Movies parsed successfully! Total movies: " + parser.sortByTitle().size()); + + // Here I am printing lists of movies in three sorting order by rating, title and year + System.out.println("===== Sorted By Rating ====="); + printMovies(parser.sortByRating()); + + System.out.println(); + + System.out.println("===== Sorted By Title ====="); + printMovies(parser.sortByTitle()); + + System.out.println(); + + System.out.println("===== Sorted By Year ====="); + printMovies(parser.sortByYear()); } catch (IOException e) { System.err.println("Error reading or parsing the HTML file: " + e.getMessage()); } } + + private static void printMovies(List movies) { + + for (int i = 0; i < movies.size(); i++) { + System.out.println((i + 1) + ". " + movies.get(i)); + } + } } diff --git a/src/main/java/Movie.java b/src/main/java/Movie.java index fc257fe..b5a6519 100644 --- a/src/main/java/Movie.java +++ b/src/main/java/Movie.java @@ -1,13 +1,20 @@ +/** + * + * @author Hesam Ghazi + * Student Number: 403222015 + * @version 1.0 + */ import java.util.Objects; public class Movie { - private String title; - private double rating; - private int year; + private final String title; + private final double rating; + private final int year; public Movie(String title, double rating, int year) { - // TODO: Initialize the instance variables (this.title, this.rating, this.year) - // with the values passed as arguments to this constructor. + this.title = title; + this.rating = rating; + this.year = year; } public String getTitle() { @@ -24,9 +31,7 @@ public class Movie { @Override public String toString() { - // TODO: Return a string representation of the movie matching the exact required format. - // Example format: "Movie: The Godfather, Rating: 9.2, Year: 1972" - return ""; + return "Movie: " + title + ", Rating: " + rating + ", Year: " + year; } @Override @@ -34,6 +39,13 @@ public class Movie { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; Movie movie = (Movie) o; - return Double.compare(movie.rating, rating) == 0 && movie.year == year && Objects.equals(title, movie.title); + return Double.compare(movie.rating, rating) == 0 && + movie.year == year && + Objects.equals(title, movie.title); } -} + + @Override + public int hashCode() { + return Objects.hash(title, rating, year); + } +} \ No newline at end of file diff --git a/src/main/java/Parser.java b/src/main/java/Parser.java index 516cf14..d931b53 100644 --- a/src/main/java/Parser.java +++ b/src/main/java/Parser.java @@ -1,13 +1,25 @@ +/** + * + * @author Hesam Ghazi + * Student Number: 403222015 + * @version 1.0 + */ + import org.jsoup.Jsoup; import org.jsoup.nodes.Document; import org.jsoup.nodes.Element; import org.jsoup.select.Elements; + import java.io.File; import java.io.IOException; -import java.util.*; +import java.util.ArrayList; +import java.util.Comparator; +import java.util.List; +import java.util.Objects; public class Parser { - private List movies = new ArrayList<>(); + + private final List movies = new ArrayList<>(); public Parser(String filePath) throws IOException { setUp(filePath); @@ -15,38 +27,61 @@ public class Parser { public List sortByTitle() { List sortedByTitle = new ArrayList<>(movies); - // TODO: Sort the 'sortedByTitle' list alphabetically by the movie's title. - // Hint: You can use Collections.sort() or the List.sort() method along with a custom Comparator. - // Example: Comparator.comparing(Movie::getTitle) + + sortedByTitle.sort(Comparator.comparing(Movie::getTitle)); + return sortedByTitle; } public List sortByRating() { List sortedByRating = new ArrayList<>(movies); - // TODO: Sort the 'sortedByRating' list by the movie's rating in descending order (highest to lowest). - // Hint: Use Double.compare() in your Comparator or Comparator.comparingDouble().reversed(). + + sortedByRating.sort( + Comparator.comparingDouble(Movie::getRating) + .reversed() + ); + return sortedByRating; } public List sortByYear() { List sortedByYear = new ArrayList<>(movies); - // TODO: Sort the 'sortedByYear' list by the movie's release year in descending order (newest to oldest). - // Hint: Compare the year integers. Use Integer.compare() or Comparator.comparingInt().reversed(). + + sortedByYear.sort( + Comparator.comparingInt(Movie::getYear) + .reversed() + ); + return sortedByYear; } private void setUp(String filePath) throws IOException { - // TODO: Create a java.io.File object using the given 'filePath'. - // TODO: Parse the HTML file using Jsoup.parse(file, "UTF-8"). This returns a Document object. - // TODO: Extract the list of movie elements from the Document. - // Hint: Use document.select() or document.getElementsByClass() to find all elements with the class "movie". + File file = new File(filePath); - // TODO: Iterate through each movie Element. - // For each movie element: - // 1. Find the title element (e.g., using selector "h3.movie-title") and get its text. - // 2. Find the rating element (e.g., using selector "span.movie-rating"). Extract the text, remove the "/10" part, and parse it to a double. - // 3. Find the year element (e.g., using selector "span.movie-year"). Extract the text and parse it to an int. - // 4. Create a new Movie object with these values and add it to the 'movies' list. + Document document = Jsoup.parse(file, "UTF-8"); + + Elements movieElements = document.select(".movie"); + + for (Element movieElement : movieElements) { + + String title = Objects.requireNonNull( + movieElement.selectFirst("h3.movie-title") + ).text(); + + double rating = Double.parseDouble( + Objects.requireNonNull( + movieElement.selectFirst("span.movie-rating") + ).text().replace("/10", "") + ); + + int year = Integer.parseInt( + Objects.requireNonNull( + movieElement.selectFirst("span.movie-year") + ).text() + ); + + movies.add(new Movie(title, rating, year)); + } } -} +} \ No newline at end of file -- 2.54.0