[OkHttpClient] Mini client using OkHttp #Android #Java

Client.java

public class ClientHttp {
  static String BASE_HOST = "https://8days.localtunnel.me";

  private OkHttpClient.Builder clientBuilder = new OkHttpClient.Builder();
  private Request.Builder requestBuilder = new Request.Builder();
  private HttpLoggingInterceptor loggingInterceptor = new HttpLoggingInterceptor();
  private HttpUrl.Builder urlBuilder;
  private Request request;
  private OkHttpClient client;

  private void throwError(String message) {
    throw new RuntimeException(message);
  }

  private Request.Builder createRequest() {
    if (urlBuilder == null) throwError("HttpUrl.Builder is null, please run setRoute function.");

    String url = urlBuilder.build().toString();

    return requestBuilder.url(url);
  }

  private OkHttpClient createClient() {
    loggingInterceptor.setLevel(HttpLoggingInterceptor.Level.BODY);

    client = clientBuilder
      .addInterceptor(loggingInterceptor)
      .build();

    return client;
  }
  
  public ClientHttp setUrl(@NonNull String url, boolean isHttps) {
    url = url.replaceAll("http://", "")
      .replaceAll("https://", "");

    if (isHttps) {
      url = "https://" + url;
    } else {
      url = "http://" + url;
    }

    urlBuilder = HttpUrl.parse(url).newBuilder();

    return this;
  }

  public ClientHttp setRoute(@Nullable String route) {
    urlBuilder = HttpUrl.parse(BASE_HOST + route).newBuilder();
    return this;
  }

  public ClientHttp setConnectTimeout(long time) {
    clientBuilder.connectTimeout(time, TimeUnit.SECONDS);
    return this;
  }

  public ClientHttp setWriteTimeout(long time) {
    clientBuilder.connectTimeout(time, TimeUnit.SECONDS);
    return this;
  }

  public ClientHttp setReadTimeout(long time) {
    clientBuilder.connectTimeout(time, TimeUnit.SECONDS);
    return this;
  }

  public ClientHttp addHeader(@NonNull final String key, @NonNull final String value) {
    requestBuilder.addHeader(key, value);
    return this;
  }

  public ClientHttp addQueryParameter(@NonNull String name, @NonNull String value) {
    urlBuilder.addQueryParameter(name, value);
    return this;
  }

  public void GET(@NonNull Callback callback) {
    createClient();
    request = createRequest().get().build();
    client.newCall(request).enqueue(callback);
  }

  public void HEAD(@NonNull Callback callback) {
    createClient();
    request = createRequest().head().build();
    client.newCall(request).enqueue(callback);
  }

  public void POST(@Nullable RequestBody requestBody, @NonNull Callback callback) {
    createClient();

    if (requestBody == null) {
      requestBody = RequestBody.create(null, new byte[0]);
    }
    request = createRequest().post(requestBody).build();

    client.newCall(request).enqueue(callback);
  }

  public void PUT(@Nullable RequestBody requestBody, @NonNull Callback callback) {
    createClient();

    if (requestBody == null) {
      requestBody = RequestBody.create(null, new byte[0]);
    }
    request = createRequest().put(requestBody).build();

    client.newCall(request).enqueue(callback);
  }

  public void PATCH(@Nullable RequestBody requestBody, @NonNull Callback callback) {
    createClient();

    if (requestBody == null) {
      requestBody = RequestBody.create(null, new byte[0]);
    }
    request = createRequest().patch(requestBody).build();

    client.newCall(request).enqueue(callback);
  }

  public void DELETE(@Nullable RequestBody requestBody, @NonNull Callback callback) {
    createClient();

    if (requestBody == null) {
      requestBody = RequestBody.create(null, new byte[0]);
    }
    request = createRequest().delete(requestBody).build();

    client.newCall(request).enqueue(callback);
  }
}

Usage.java

/**
* GET & HEAD method.
*/
new Client().setRoute("/hello")
  .addQueryParameter("message", "Hello world!!!")
  .GET(new Callback() {
    @Override
    public void onFailure(Call call, IOException e) {

    }

    @Override
    public void onResponse(Call call, Response response) throws IOException {
      final String myResponse = response.body().string();

      Log.i("RES", myResponse);
    }
  });

/**
* POST, PUT, PATCH & DELETE method.
* You can find more infomation about add request body: `https://howtoprogram.xyz/2017/01/14/how-to-post-with-okhttp/`
*/
FormBody.Builder builder = new FormBody.Builder();
builder.add("name", "Dang Khoa");
builder.add("age", String.valueOf(21));
RequestBody body = builder.build();

new Client().setRoute("/profile")
  .setConnectTimeout(30)
  .setWriteTimeout(30)
  .setReadTimeout(30)
  .POST(body, new Callback() {
    @Override
    public void onFailure(Call call, IOException e) {
      call.cancel();
    }

    @Override
    public void onResponse(Call call, Response response) throws IOException {
      Log.i("RES", response.body().string());
    }
  });