diff --git a/pom.xml b/pom.xml
index 111501f..7d4dbb2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
4.0.0
org.to
- HW03
+ HW
1.0-SNAPSHOT
@@ -14,18 +14,10 @@
UTF-8
-
com.google.code.gson
gson
- 2.11.0
-
-
-
-
- com.fasterxml.jackson.core
- jackson-databind
- 2.17.2
+ 2.10.1
diff --git a/src/main/java/Rational/Rational.java b/src/main/java/Rational/Rational.java
index 7bd840e..90ce780 100644
--- a/src/main/java/Rational/Rational.java
+++ b/src/main/java/Rational/Rational.java
@@ -4,7 +4,6 @@ public class Rational {
private int numerator;
private int denominator;
- // Constructor
public Rational(int numerator, int denominator) {
if (denominator == 0) {
throw new IllegalArgumentException("Denominator cannot be zero");
@@ -14,7 +13,6 @@ public class Rational {
simplify();
}
- // GCD helper for simplification
private int gcd(int a, int b) {
a = Math.abs(a);
b = Math.abs(b);
@@ -26,73 +24,62 @@ public class Rational {
return a;
}
- // Simplify the fraction
private void simplify() {
int gcd = gcd(numerator, denominator);
numerator /= gcd;
denominator /= gcd;
-
- // Keep denominator positive
if (denominator < 0) {
numerator = -numerator;
denominator = -denominator;
}
}
- // COMPLETED - Instance method: this + other
public Rational add(Rational other) {
int newNumerator = this.numerator * other.denominator + other.numerator * this.denominator;
int newDenominator = this.denominator * other.denominator;
return new Rational(newNumerator, newDenominator);
}
- // COMPLETED - Static method: r1 + r2
public static Rational add(Rational r1, Rational r2) {
return r1.add(r2);
}
- // TODO: Instance method - this - other
- // Formula: a/b - c/d = (a*d - c*b) / (b*d)
+ // a/b - c/d = (a*d - c*b) / (b*d)
public Rational subtract(Rational other) {
- // YOUR CODE HERE
- return null; // Remove this line when implemented
+ int newNumerator = this.numerator * other.denominator - other.numerator * this.denominator;
+ int newDenominator = this.denominator * other.denominator;
+ return new Rational(newNumerator, newDenominator);
}
- // TODO: Static method - r1 - r2
public static Rational subtract(Rational r1, Rational r2) {
- // YOUR CODE HERE
- return null; // Remove this line when implemented
+ return r1.subtract(r2);
}
- // TODO: Instance method - this * other
- // Formula: (a/b) * (c/d) = (a*c) / (b*d)
+ // (a/b) * (c/d) = (a*c) / (b*d)
public Rational multiply(Rational other) {
- // YOUR CODE HERE
- return null; // Remove this line when implemented
+ int newNumerator = this.numerator * other.numerator;
+ int newDenominator = this.denominator * other.denominator;
+ return new Rational(newNumerator, newDenominator);
}
- // TODO: Static method - r1 * r2
public static Rational multiply(Rational r1, Rational r2) {
- // YOUR CODE HERE
- return null; // Remove this line when implemented
+ return r1.multiply(r2);
}
- // TODO: Instance method - this / other
- // Formula: (a/b) ÷ (c/d) = (a*d) / (b*c)
+ // (a/b) ÷ (c/d) = (a*d) / (b*c)
public Rational divide(Rational other) {
- // YOUR CODE HERE
- // HINT: Division is multiplication by reciprocal
- // Don't forget to check if other.numerator is zero!
- return null; // Remove this line when implemented
+ if (other.numerator == 0) {
+ throw new IllegalArgumentException("Cannot divide by zero");
+ }
+ int newNumerator = this.numerator * other.denominator;
+ int newDenominator = this.denominator * other.numerator;
+ return new Rational(newNumerator, newDenominator);
}
- // TODO: Static method - r1 / r2
public static Rational divide(Rational r1, Rational r2) {
- // YOUR CODE HERE
- return null; // Remove this line when implemented
+ return r1.divide(r2);
}
- // PROVIDED - String representation
@Override
public String toString() {
if (denominator == 1) {
@@ -101,7 +88,6 @@ public class Rational {
return numerator + "/" + denominator;
}
- // PROVIDED - Decimal value
public double toDouble() {
return (double) numerator / denominator;
}
diff --git a/src/main/java/movie/apis/Main.java b/src/main/java/movie/apis/Main.java
index f0e713d..3d0bfa2 100644
--- a/src/main/java/movie/apis/Main.java
+++ b/src/main/java/movie/apis/Main.java
@@ -21,15 +21,16 @@ public class Main {
break;
case 2:
- // TODO: Get genre ID and page from user, then call movieService.displayMoviesByGenre()
+ Long genreId = getLongInput("Enter Genre ID: ");
+ Long page = getLongInput("Enter Page number: ");
+ movieService.displayMoviesByGenre(genreId, page);
break;
-
case 3:
- // TODO (BONUS): Get movie ID from user, then call movieService.displayMovieDetails()
-
+ Long movieId = getLongInput("Enter Movie ID: ");
+ movieService.displayMovieDetails(movieId);
break;
case 0:
diff --git a/src/main/java/movie/apis/Movie.java b/src/main/java/movie/apis/Movie.java
index 969774a..6b5b94f 100644
--- a/src/main/java/movie/apis/Movie.java
+++ b/src/main/java/movie/apis/Movie.java
@@ -1,24 +1,71 @@
package movie.apis;
+import com.google.gson.annotations.SerializedName;
import java.util.List;
-/**
- * Model class representing a movie
- * Fields: id, title, genres, images
- */
public class Movie {
-
private Long id;
private String title;
- private List genres;
- private List images;
private String year;
- private String imdb_rating;
private String country;
- // TODO: Create a constructor with all fields
+ // استفاده از SerializedName برای تطبیق دقیق با کلیدهای JSON
+ @SerializedName("imdb_rating")
+ private String imdbRating;
- // TODO: Create a simple constructor with id and title only
+ @SerializedName("imdb_votes")
+ private String imdbVotes;
- // TODO: Create getters and setters for all fields
+ private String director;
+ private String actors;
+ private String plot;
+ private String awards;
+ private String rated;
+ private String runtime;
+
+ private List genres;
+ private List images;
+
+ // Constructor کامل
+ public Movie(Long id, String title, String year, String country, String imdbRating, String imdbVotes,
+ String director, String actors, String plot, String awards, String rated, String runtime,
+ List genres, List images) {
+ this.id = id;
+ this.title = title;
+ this.year = year;
+ this.country = country;
+ this.imdbRating = imdbRating;
+ this.imdbVotes = imdbVotes;
+ this.director = director;
+ this.actors = actors;
+ this.plot = plot;
+ this.awards = awards;
+ this.rated = rated;
+ this.runtime = runtime;
+ this.genres = genres;
+ this.images = images;
+ }
+
+ // Constructor ساده
+ public Movie(Long id, String title) {
+ this.id = id;
+ this.title = title;
+ }
+
+ // Getters and Setters
+ public Long getId() { return id; }
+ public void setId(Long id) { this.id = id; }
+ public String getTitle() { return title; }
+ public void setTitle(String title) { this.title = title; }
+ public String getYear() { return year; }
+ public void setYear(String year) { this.year = year; }
+ public String getImdbRating() { return imdbRating; }
+ public String getImdbVotes() { return imdbVotes; }
+ public String getDirector() { return director; }
+ public String getActors() { return actors; }
+ public String getPlot() { return plot; }
+ public String getAwards() { return awards; }
+ public String getRated() { return rated; }
+ public String getRuntime() { return runtime; }
+ public String getGenre() { return genres != null ? String.join(", ", genres) : "N/A"; }
}
\ No newline at end of file
diff --git a/src/main/java/movie/apis/MovieService.java b/src/main/java/movie/apis/MovieService.java
index 3f053f5..037b7e8 100644
--- a/src/main/java/movie/apis/MovieService.java
+++ b/src/main/java/movie/apis/MovieService.java
@@ -87,106 +87,77 @@ public class MovieService {
}
}
- /**
- * TODO 1: Display movies for a specific genre and page
- *
- * Open this link in your browser (and check Pretty-print checkbox) to view json format:
- * https://api.meshcomp.ir/api/v1/genres/1/movies
- *
- * Steps:
- * - Call getMoviesByGenreList(genreId, page) to get JSON
- * - Parse JSON to JsonObject
- * - Get "movies" array (NOT "data")
- * - Loop through array and print: "ID: {id} | {title} ({year})"
- * - Also print total and total_pages
- *
- * PUT ALL PARSING CODE INSIDE try-catch
- */
public void displayMoviesByGenre(Long genreId, Long page) {
- // TODO: Write your code here
- // All parsing code must be inside try-catch
try {
- // Your code here
+ // ۱. گرفتن داده از API
+ String jsonResponse = getMoviesByGenreList(genreId, page);
+ if (jsonResponse == null) return;
+
+ // ۲. تبدیل به شیء JSON
+ JsonObject root = JsonParser.parseString(jsonResponse).getAsJsonObject();
+ JsonArray moviesArray = root.getAsJsonArray("movies");
+
+ // ۳. تبدیل JSON به لیست اشیاء Movie
+ Gson gson = new Gson();
+ Type listType = new TypeToken>(){}.getType();
+ List movies = gson.fromJson(moviesArray, listType);
+
+ // ۴. چاپ لیست
+ for (Movie m : movies) {
+ System.out.println("ID: " + m.getId() + " | " + m.getTitle() + " (" + m.getYear() + ")");
+ }
+
+ // ۵. چاپ متادیتا
+ System.out.println("Total: " + root.get("total").getAsInt() +
+ " | Total Pages: " + root.get("total_pages").getAsInt());
} catch (Exception e) {
System.err.println("ERROR: " + e.getMessage());
}
}
-
/**
* BONUS: Fetch movie details from API using movie ID
* URL format: https://api.meshcomp.ir/api/v1/movies/{movieId}
*/
private String getMovieById(Long movieId) {
try {
- // TODO: Complete this method
- // String url = MOVIE_BY_ID_URL + movieId;
- // HttpRequest request = HttpRequest.newBuilder().uri(URI.create(url)).build();
- // HttpResponse response = client.send(request, HttpResponse.BodyHandlers.ofString());
- // if (response.statusCode() == 200) return response.body();
+ String url = MOVIE_BY_ID_URL + movieId;
+ HttpRequest request = HttpRequest.newBuilder().uri(URI.create(url)).build();
+ HttpResponse response = client.send(request, HttpResponse.BodyHandlers.ofString());
- return null;
+ if (response.statusCode() == 200) return response.body();
} catch (Exception e) {
System.out.println("!!Exception : " + e.getMessage());
}
return null;
}
- /*
- BONUS TODO: Display complete movie details for a given movie ID
-
- Open this link in your browser (and check Pretty-print checkbox) to view json format:
- https://api.meshcomp.ir/api/v1/movies/1
-
- INSTRUCTIONS:
- 1. Call getMovieById(movieId) to get the JSON response string
- 2. Check if response is null (if yes, print error and return)
- 3. Parse the JSON string to JsonObject (inside try-catch)
- 4. Use Gson to extract all fields from the JSON and map them to your Movie class:
- - Add missing JSON fields to your Movie class first (actors, awards, director,
- imdb_id, imdb_votes, metascore, plot, rated, released, runtime, type, writer)
- - Then use Gson to parse your json string
- 5. Print all movie details in a readable format
-
- (PUT ALL PARSING CODE INSIDE THE EXISTING try-catch)
- */
-
- /* EXAMPLE OUTPUT:
-
- =======================================================================
- THE SHAWSHANK REDEMPTION (1994)
- =======================================================================
- Rating: 9.3/10 | Votes: 1,738,596
- Director: Frank Darabont
- Cast: Tim Robbins, Morgan Freeman, Bob Gunton, William Sadler
- Genre: Crime, Drama
- Runtime: 142 min | Rated: R
- Country: USA | Released: 14 Oct 1994
- Plot: Two imprisoned men bond over a number of years, finding
- solace and eventual redemption through acts of common decency.
- Awards: Nominated for 7 Oscars. Another 19 wins & 30 nominations.
- =======================================================================
-
- */
-
public void displayMovieDetails(Long movieId) {
- // Step 1: Get JSON response from API
String jsonResponse = getMovieById(movieId);
-
- // Step 2: Check if we got valid data
- // Step 3-5: Parse JSON and display details (PUT YOUR CODE INSIDE try-catch)
if (jsonResponse == null) {
System.out.println("Failed to get movie details for ID: " + movieId);
return;
}
try {
- // TODO: Parse jsonResponse to JsonObject
- // HINT: Use JsonParser.parseString(jsonResponse).getAsJsonObject()
- // TODO: use Gson to parse the json
- // Your code here:
+ Gson gson = new Gson();
+ // تبدیل JSON به آبجکت Movie
+ Movie m = gson.fromJson(jsonResponse, Movie.class);
+
+ // چاپ با فرمت خواسته شده
+ System.out.println("=======================================================================");
+ System.out.println(" " + m.getTitle().toUpperCase() + " (" + m.getYear() + ")");
+ System.out.println("=======================================================================");
+ System.out.println("Rating: " + m.getImdbRating() + "/10 | Votes: " + m.getImdbVotes());
+ System.out.println("Director: " + m.getDirector());
+ System.out.println("Cast: " + m.getActors());
+ System.out.println("Genre: " + m.getGenre());
+ System.out.println("Runtime: " + m.getRuntime() + " | Rated: " + m.getRated());
+ System.out.println("Plot: " + m.getPlot());
+ System.out.println("Awards: " + m.getAwards());
+ System.out.println("=======================================================================");
} catch (Exception e) {
System.err.println("ERROR parsing movie details: " + e.getMessage());
}
- }
+ }
}
\ No newline at end of file