[BAEL-15412] - Moved article to libraries-http module

libraries-http/src/main/java/com/baeldung/googlehttpclientguide/GitHubExample.java

@@ -0,0 +1,56 @@
+package com.baeldung.googlehttpclientguide;
+
+import com.google.api.client.http.HttpBackOffUnsuccessfulResponseHandler;
+import com.google.api.client.http.HttpRequest;
+import com.google.api.client.http.HttpRequestFactory;
+import com.google.api.client.http.HttpResponse;
+import com.google.api.client.http.HttpTransport;
+import com.google.api.client.http.javanet.NetHttpTransport;
+import com.google.api.client.json.JsonFactory;
+import com.google.api.client.json.JsonObjectParser;
+import com.google.api.client.json.jackson2.JacksonFactory;
+import com.google.api.client.util.ExponentialBackOff;
+import com.google.gson.reflect.TypeToken;
+import java.lang.reflect.Type;
+import java.util.List;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+
+public class GitHubExample {
+    static final HttpTransport HTTP_TRANSPORT = new NetHttpTransport();
+    // static final HttpTransport HTTP_TRANSPORT = new ApacheHttpTransport();
+    static final JsonFactory JSON_FACTORY = new JacksonFactory();
+    // static final JsonFactory JSON_FACTORY = new GsonFactory();
+
+    private static void run() throws Exception {
+        HttpRequestFactory requestFactory = HTTP_TRANSPORT.createRequestFactory((HttpRequest request) -> {
+            request.setParser(new JsonObjectParser(JSON_FACTORY));
+        });
+        GitHubUrl url = new GitHubUrl("https://api.github.com/users");
+        url.per_page = 10;
+        url.page = 1;
+        HttpRequest request = requestFactory.buildGetRequest(url);
+        ExponentialBackOff backoff = new ExponentialBackOff.Builder().setInitialIntervalMillis(500).setMaxElapsedTimeMillis(900000).setMaxIntervalMillis(6000).setMultiplier(1.5).setRandomizationFactor(0.5).build();
+        request.setUnsuccessfulResponseHandler(new HttpBackOffUnsuccessfulResponseHandler(backoff));
+        Type type = new TypeToken<List<User>>() {
+        }.getType();
+        List<User> users = (List<User>) request.execute().parseAs(type);
+        System.out.println(users);
+        url.appendRawPath("/eugenp");
+        request = requestFactory.buildGetRequest(url);
+        ExecutorService executor = Executors.newSingleThreadExecutor();
+        Future<HttpResponse> responseFuture = request.executeAsync(executor);
+        User eugen = responseFuture.get().parseAs(User.class);
+        System.out.println(eugen);
+        executor.shutdown();
+    }
+
+    public static void main(String[] args) {
+        try {
+            run();
+        } catch (Exception e) {
+            System.err.println(e.getMessage());
+        }
+    }
+}