farnam_jhn/HW-03-oop-and-api
1
0
Fork 0
forked from AdvancedProgramming1404/HW-03-oop-and-api
Code Pull Requests 1 Activity

1: Completed Rational class and tested it #1

Open
farnam_jhn wants to merge 1 commits from develop into main
pull from: develop
merge into: :main
Conversation 0 Commits 1 Files Changed 4
+239 -36
4 changed files with 239 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/main/java/Rational/Rational.java
+18 -20
View File
@@ -51,45 +51,43 @@ public class Rational {
return r1.add(r2);
}
// TODO: Instance method - this - other
// Formula: 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
Rational result;
result = new Rational(this.numerator * other.denominator - other.numerator * this.denominator,
this.denominator * other.denominator);
return result;
}
// 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)
public Rational multiply(Rational other) {
// YOUR CODE HERE
return null; // Remove this line when implemented
Rational result;
result = new Rational(this.numerator * other.numerator, this.denominator * other.denominator);
return result;
}
// 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)
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){
System.out.println("Can't divide by zero.");
return null;
}
Rational otherReversed = new Rational(other.denominator, other.numerator);
return this.multiply(otherReversed);
}
// 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
src/main/java/movie/apis/Main.java
+12 -2
View File
@@ -22,14 +22,24 @@ public class Main {
case 2:
// TODO: Get genre ID and page from user, then call movieService.displayMoviesByGenre()
Long gnereID;
Long pageNo;
System.out.println("Enter genre ID : ");
gnereID = scanner.nextLong();
System.out.println("Enter page number : ");
pageNo = scanner.nextLong();
movieService.displayMoviesByGenre(gnereID,pageNo);
break;
case 3:
// TODO (BONUS): Get movie ID from user, then call movieService.displayMovieDetails()
Long movieID;
System.out.println("Enter your movie's ID :");
movieID = scanner.nextLong();
movieService.displayMovieDetails(movieID);
break;
case 0:
src/main/java/movie/apis/Movie.java
+177 -3
View File
@@ -16,9 +16,183 @@ public class Movie {
private String imdb_rating;
private String country;
// TODO: Create a constructor with all fields
private String actors;
private String awards;
private String director;
private String imdb_id;
private String imdb_votes;
private String metascore;
private String plot;
private String rated;
private String released;
private String runtime;
private String type;
private String writer;
// TODO: Create a simple constructor with id and title only
public Movie(Long id, String title, List<String> genres, List<String> images, String year, String imdb_rating, String country) {
this.id = id;
this.title = title;
this.genres = genres;
this.images = images;
this.year = year;
this.imdb_rating = imdb_rating;
this.country = country;
}
// TODO: Create getters and setters for all fields
public Movie(Long id, String title) {
this.id = id;
this.title = title;
}
public Long getId() {
return id;
}
public String getTitle() {
return title;
}
public List<String> getGenres() {
return genres;
}
public List<String> getImages() {
return images;
}
public String getYear() {
return year;
}
public String getImdb_rating() {
return imdb_rating;
}
public String getCountry() {
return country;
}
public String getActors() {
return actors;
}
public String getAwards() {
return awards;
}
public String getDirector() {
return director;
}
public String getImdb_id() {
return imdb_id;
}
public String getImdb_votes() {
return imdb_votes;
}
public String getMetascore() {
return metascore;
}
public String getPlot() {
return plot;
}
public String getRated() {
return rated;
}
public String getReleased() {
return released;
}
public String getRuntime() {
return runtime;
}
public String getType() {
return type;
}
public String getWriter() {
return writer;
}
public void setId(Long id) {
this.id = id;
}
public void setTitle(String title) {
this.title = title;
}
public void setGenres(List<String> genres) {
this.genres = genres;
}
public void setImages(List<String> images) {
this.images = images;
}
public void setYear(String year) {
this.year = year;
}
public void setImdb_rating(String imdb_rating) {
this.imdb_rating = imdb_rating;
}
public void setCountry(String country) {
this.country = country;
}
public void setActors(String actors) {
this.actors = actors;
}
public void setAwards(String awards) {
this.awards = awards;
}
public void setDirector(String director) {
this.director = director;
}
public void setImdb_id(String imdb_id) {
this.imdb_id = imdb_id;
}
public void setImdb_votes(String imdb_votes) {
this.imdb_votes = imdb_votes;
}
public void setMetascore(String metascore) {
this.metascore = metascore;
}
public void setPlot(String plot) {
this.plot = plot;
}
public void setRated(String rated) {
this.rated = rated;
}
public void setReleased(String released) {
this.released = released;
}
public void setRuntime(String runtime) {
this.runtime = runtime;
}
public void setType(String type) {
this.type = type;
}
public void setWriter(String writer) {
this.writer = writer;
}
}
src/main/java/movie/apis/MovieService.java
+32 -11
View File
@@ -1,5 +1,6 @@
package movie.apis;
import com.fasterxml.jackson.databind.util.JSONPObject;
import com.google.gson.*;
import com.google.gson.reflect.TypeToken;
@@ -103,10 +104,19 @@ public class MovieService {
* 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
String jsonInString = getMoviesByGenreList(genreId,page);
JsonObject movJsonObj = JsonParser.parseString(jsonInString).getAsJsonObject();
JsonArray movies = movJsonObj.getAsJsonArray("movies");
List<Movie> moviesList= new ArrayList<>();
for (int i = 0; i < movies.size(); i++) {
JsonObject movie = movies.get(i).getAsJsonObject();
System.out.println("ID: " + movie.get("id") + " | " + movie.get("title") + " (" + movie.get("year") + ")");
}
System.out.println("Total : " + movies.size() + ", Total pages : " + page);
} catch (Exception e) {
System.err.println("ERROR: " + e.getMessage());
@@ -121,10 +131,10 @@ public class MovieService {
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<String> 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<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
if (response.statusCode() == 200) return response.body();
return null;
} catch (Exception e) {
@@ -181,10 +191,21 @@ public class MovieService {
return;
}
try {
// TODO: Parse jsonResponse to JsonObject
// HINT: Use JsonParser.parseString(jsonResponse).getAsJsonObject()
// TODO: use Gson to parse the json
// Your code here:
JsonObject movies = JsonParser.parseString(jsonResponse).getAsJsonObject();
Gson gson = new Gson();
Movie movie = gson.fromJson(movies, Movie.class);
System.out.println("======================================================================");
System.out.println(" " + movie.getTitle() + " (" + movie.getYear() +")");
System.out.println("======================================================================");
System.out.println("Rating : " + movie.getImdb_rating() + " | " + "Votes : " + movie.getImdb_votes());
System.out.println("Director : " + movie.getDirector());
System.out.println("Cast : " + movie.getActors());
System.out.println("Genre : " + movie.getGenres());
System.out.println("Runtime : " + movie.getRuntime() + " | " + "Rated : " + movie.getRated());
System.out.println("Country : " + movie.getCountry() + " | " + "Released : " + movie.getReleased());
System.out.println("Plot : " + movie.getPlot());
System.out.println("Awards : " + movie.getAwards());
System.out.println("======================================================================");
} catch (Exception e) {
System.err.println("ERROR parsing movie details: " + e.getMessage());
}