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@steppat
Last active March 24, 2022 20:55
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import java.io.IOException;
import java.io.PrintWriter;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
import java.util.stream.Stream;
class SevenDaysOfCodeJavaDay5 {
public static void main(String[] args) throws Exception {
System.out.println("Chamando API");
String apiKey = "<sua chave>";
String json = new ImdbApiClient(apiKey).getBody();
System.out.println("Parsing do JSON");
List<Movie> movies = new ImdbMovieJsonParser(json).parse();
System.out.println("Gerando HTML");
PrintWriter writer = new PrintWriter("content.html");
new HtmlGenerator(writer).generate(movies);
writer.close();
}
}
record Movie(String title, String urlImage, String rating, String year) {
}
class ImdbApiClient {
private String apiKey;
public ImdbApiClient(String apiKey) {
this.apiKey = apiKey;
}
public String getBody() {
try {
URI apiIMDB = URI.create("https://imdb-api.com/en/API/Top250TVs/" + this.apiKey);
HttpClient client = HttpClient.newHttpClient();
HttpRequest request = HttpRequest.newBuilder().uri(apiIMDB).build();
HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
return response.body();
} catch (IOException e) {
throw new IllegalStateException(e);
} catch (InterruptedException e) {
throw new IllegalStateException(e);
}
}
}
class ImdbMovieJsonParser {
private String json;
public ImdbMovieJsonParser(String json) {
this.json = json;
}
public List<Movie> parse() {
String[] moviesArray = parseJsonMovies(json);
List<String> titles = parseTitles(moviesArray);
List<String> urlImages = parseUrlImages(moviesArray);
List<String> ratings = parseRatings(moviesArray);
List<String> years = parseYears(moviesArray);
List<Movie> movies = new ArrayList<>();
for (int i =0; i < titles.size(); i++) {
movies.add(new Movie(titles.get(i), urlImages.get(i) , ratings.get(i), years.get(i)));
}
return movies;
}
private String[] parseJsonMovies(String json) {
Matcher matcher = Pattern.compile(".*\\[(.*)\\].*").matcher(json);
if (!matcher.matches()) {
throw new IllegalArgumentException("no match in " + json);
}
String[] moviesArray = matcher.group(1).split("\\},\\{");
moviesArray[0] = moviesArray[0].substring(1);
int last = moviesArray.length - 1;
String lastString = moviesArray[last];
moviesArray[last] = lastString.substring(0, lastString.length() - 1);
return moviesArray;
}
private List<String> parseTitles(String[] moviesArray) {
return parseAttribute(moviesArray, 3);
}
private List<String> parseUrlImages(String[] moviesArray) {
return parseAttribute(moviesArray, 5);
}
private List<String> parseRatings(String[] moviesArray) {
return parseAttribute(moviesArray, 7);
}
private List<String> parseYears(String[] moviesArray) {
return parseAttribute(moviesArray, 4);
}
private List<String> parseAttribute(String[] jsonMovies, int pos) {
return Stream.of(jsonMovies)
.map(e -> e.split("\",\"")[pos])
.map(e -> e.split(":\"")[1])
.map(e -> e.replaceAll("\"", ""))
.collect(Collectors.toList());
}
}
class HtmlGenerator {
private final PrintWriter writer;
public HtmlGenerator(PrintWriter writer) {
this.writer = writer;
}
public void generate(List<Movie> movies) {
writer.println(
"""
<html>
<head>
<meta charset=\"utf-8\">
<meta name=\"viewport\" content=\"width=device-width, initial-scale=1, shrink-to-fit=no\">
<link rel=\"stylesheet\" href=\"https://cdn.jsdelivr.net/npm/bootstrap@4.0.0/dist/css/bootstrap.min.css\"
+ "integrity=\"sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm\" crossorigin=\"anonymous\">
</head>
<body>
""");
for (Movie movie : movies) {
String div =
"""
<div class=\"card text-white bg-dark mb-3\" style=\"max-width: 18rem;\">
<h4 class=\"card-header\">%s</h4>
<div class=\"card-body\">
<img class=\"card-img\" src=\"%s\" alt=\"%s\">
<p class=\"card-text mt-2\">Nota: %s - Ano: %s</p>
</div>
</div>
""";
writer.println(String.format(div, movie.title(), movie.urlImage(), movie.title(), movie.rating(), movie.year()));
}
writer.println(
"""
</body>
</html>
""");
}
}
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