Merge pull request #6031 from simonguzman/main

#20 - Java

Roadmap/20 - PETICIONES HTTP/java/simonguzman.java

@@ -0,0 +1,122 @@
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.StringReader;
+import java.net.HttpURLConnection;
+import java.net.URL;
+
+//Imports que no se pueden usar a no ser que se tengan en un archivo pom.xml
+import javax.json.Json;
+import javax.json.JsonArray;
+import javax.json.JsonObject;
+import javax.json.JsonReader;
+
+/* Dependencias necesarias para que funcione el codigo
+<dependency>
+        <groupId>javax.json</groupId>
+        <artifactId>javax.json-api</artifactId>
+        <version>1.1.4</version>
+    </dependency>
+    <dependency>
+        <groupId>org.glassfish</groupId>
+        <artifactId>javax.json</artifactId>
+        <version>1.1.4</version>
+    </dependency>*/
+
+public class simonguzman {
+    public static void main(String[] args) throws IOException{
+        makeHttpRequest("https://www.google.com/");
+        getPokemonApi("bulbasaur");
+    }
+
+    public static void makeHttpRequest(String url) throws IOException{
+        URL obj = new URL(url);
+        HttpURLConnection con = (HttpURLConnection) obj.openConnection();
+
+        con.setRequestMethod("GET");
+
+        int responseCode = con.getResponseCode();
+        if (responseCode == 200) {
+            BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
+            String inputLine;
+            StringBuffer response = new StringBuffer();
+
+            while ((inputLine = in.readLine()) != null) { 
+                response.append(inputLine);
+            }
+            in.close();
+
+            System.out.println(response.toString());
+        }else{
+            System.out.println("ERROR: "+responseCode);
+        }
+    }
+
+    public static void getPokemonInfo(String pokemonName) throws IOException {
+        String url = "https://pokeapi.co/api/v2/pokemon/" + pokemonName;
+        URL obj = new URL(url);
+        HttpURLConnection con = (HttpURLConnection) obj.openConnection();
+
+        con.setRequestMethod("GET");
+        con.setRequestProperty("User-Agent", "MyPokemonApp");
+
+        int responseCode = con.getResponseCode();
+        if (responseCode == 200) {
+            BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
+            String inputLine;
+            StringBuffer response = new StringBuffer();
+
+            while ((inputLine = in.readLine()) != null) {
+                response.append(inputLine);
+            }
+            in.close();
+
+            JsonReader jsonReader = Json.createReader(new StringReader(response.toString()));
+            JsonObject jsonObject = jsonReader.readObject();
+
+            System.out.println("Nombre: " + jsonObject.getString("name"));
+            System.out.println("ID: " + jsonObject.getInt("id"));
+            System.out.println("Peso: " + jsonObject.getJsonNumber("weight").doubleValue());
+            System.out.println("Altura: " + jsonObject.getJsonNumber("height").doubleValue());
+            System.out.println("Tipos: " + jsonObject.getJsonArray("types"));
+
+            JsonObject speciesObject = jsonObject.getJsonObject("species");
+            String speciesUrl = speciesObject.getString("url");
+            URL speciesObj = new URL(speciesUrl);
+            HttpURLConnection speciesCon = (HttpURLConnection) speciesObj.openConnection();
+
+            speciesCon.setRequestMethod("GET");
+            speciesCon.setRequestProperty("User-Agent", "MyPokemonApp");
+
+            int speciesResponseCode = speciesCon.getResponseCode();
+            if (speciesResponseCode == 200) {
+                BufferedReader speciesIn = new BufferedReader(new InputStreamReader(speciesCon.getInputStream()));
+                String speciesInputLine;
+                StringBuffer speciesResponse = new StringBuffer();
+
+                while ((speciesInputLine = speciesIn.readLine()) != null) {
+                    speciesResponse.append(speciesInputLine);
+                }
+                speciesIn.close();
+
+                JsonReader speciesJsonReader = Json.createReader(new StringReader(speciesResponse.toString()));
+                JsonObject speciesJsonObject = speciesJsonReader.readObject();
+
+                String evolutionChainUrl = speciesJsonObject.getJsonObject("evolution_chain").getString("url");
+                System.out.println("Cadena de evoluciones: " + evolutionChainUrl);
+            } else {
+                System.out.println("Error: " + speciesResponseCode);
+            }
+
+            JsonArray games = jsonObject.getJsonArray("game_indices");
+            System.out.println("Juegos: ");
+            for (int i = 0; i < games.size(); i++) {
+                JsonObject gameIndexObject = games.getJsonObject(i);
+                JsonObject versionObject = gameIndexObject.getJsonObject("version");
+                System.out.println("  - " + versionObject.getString("name"));
+            }
+        } else {
+            System.out.println("Error: " + responseCode);
+        }
+    }
+}