// Copyright 2017 The Nomulus Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package google.registry.server;

import static com.google.common.net.MediaType.PLAIN_TEXT_UTF_8;
import static jakarta.servlet.http.HttpServletResponse.SC_OK;

import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import java.io.IOException;

/** Servlet for responding to {@code /healthz} requests. */
public final class HealthzServlet extends HttpServlet {

  @Override
  public void doGet(HttpServletRequest req, HttpServletResponse rsp) throws IOException {
    rsp.setStatus(SC_OK);
    rsp.setContentType(PLAIN_TEXT_UTF_8.toString());
    rsp.getWriter().write("ok\n");
    rsp.getWriter().close();
  }
}
