initial commit

app/src/main/java/ch/pizzapp/android/api/ApiService.java

@@ -0,0 +1,66 @@
+package ch.pizzapp.android.api;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+import java.io.IOException;
+import java.util.concurrent.TimeUnit;
+
+import okhttp3.Interceptor;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.logging.HttpLoggingInterceptor;
+import retrofit2.Retrofit;
+import retrofit2.converter.gson.GsonConverterFactory;
+
+public class ApiService {
+
+    private static ApiService apiService = new ApiService();
+    public static ApiInterface apiInterface;
+    public static Retrofit retrofit;
+
+    private ApiService() { reset();}
+
+    public static ApiService getInstance() {
+        return apiService;
+    }
+
+    public void reset() {
+        Gson gson = new GsonBuilder()
+                .setLenient()
+                .create();
+
+
+        OkHttpClient.Builder builder = new OkHttpClient().newBuilder();
+        builder.readTimeout(ApiConstants.API_READ_TIMEOUT, TimeUnit.SECONDS);
+        builder.connectTimeout(ApiConstants.API_CONNECT_TIMEOUT, TimeUnit.SECONDS);
+
+        builder.addInterceptor(new Interceptor() {
+            @Override
+            public Response intercept(Interceptor.Chain chain) throws IOException {
+
+                Request.Builder builder = chain.request().newBuilder();
+                builder.addHeader("Content-Type", "application/json");
+
+                Request request = builder.build();
+                return chain.proceed(request);
+            }
+        });
+
+        HttpLoggingInterceptor logging = new HttpLoggingInterceptor();  // set your desired log level
+        logging.setLevel(HttpLoggingInterceptor.Level.BODY);
+        //builder.addInterceptor(logging);
+
+        OkHttpClient client = builder.build();
+
+        retrofit = new Retrofit.Builder()
+                .baseUrl(ApiConstants.API_PATH)
+                .addConverterFactory(GsonConverterFactory.create(gson))
+                .client(client)
+                .build();
+
+        apiInterface = retrofit.create(ApiInterface.class);
+    }
+
+}