content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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 org.apache.ambari.server.api;
  
  import static org.easymock.EasyMock.expect;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.fail;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.util.Map;
  import java.util.Scanner;
  
  import jakarta.servlet.ServletException;
  import jakarta.servlet.http.HttpServlet;
  import jakarta.servlet.http.HttpServletRequest;
  import jakarta.servlet.http.HttpServletResponse;
  import jakarta.ws.rs.client.Client;
  import jakarta.ws.rs.client.ClientBuilder;
  import jakarta.ws.rs.client.WebTarget;
  import jakarta.ws.rs.core.Response;
  
  import org.apache.ambari.server.security.authentication.jwt.JwtAuthenticationPropertiesProvider;
  import org.easymock.EasyMockSupport;
  import org.eclipse.jetty.server.Server;
  import org.eclipse.jetty.server.ServerConnector;
  import org.eclipse.jetty.servlet.DefaultServlet;
  import org.eclipse.jetty.servlet.ServletContextHandler;
  import org.junit.Test;
  
  import com.google.gson.Gson;
  import com.google.gson.JsonSyntaxException;
  
  public class AmbariErrorHandlerIT extends EasyMockSupport {
    private Gson gson = new Gson();
  
    @Test
    public void testErrorWithJetty() throws Exception {
      Server server = new Server(0);
      JwtAuthenticationPropertiesProvider propertiesProvider = createNiceMock(JwtAuthenticationPropertiesProvider.class);
      expect(propertiesProvider.get()).andReturn(null).anyTimes();
  
      replayAll();
  
      ServletContextHandler root = new ServletContextHandler(server, "/",
        ServletContextHandler.SECURITY | ServletContextHandler.SESSIONS);
  
      root.addServlet(HelloServlet.class, "/hello");
      root.addServlet(DefaultServlet.class, "/");
      root.setErrorHandler(new AmbariErrorHandler(gson, propertiesProvider));
  
      server.start();
  
      int localPort = ((ServerConnector) server.getConnectors()[0]).getLocalPort();
  
      Client client = ClientBuilder.newClient();
      WebTarget resource = client.target("http://localhost:" + localPort);
  
      Response successResponse = resource.path("hello").request().get();
      assert(successResponse.getStatus() == Response.Status.OK.getStatusCode());
  
      Response failResponse = resource.path("fail").request().get();
      assert(failResponse.getStatus() == Response.Status.NOT_FOUND.getStatusCode());
      try {
        String response = readResponse(failResponse);
        System.out.println(response);
        Map map;
        map = gson.fromJson(response, Map.class);
        System.out.println(map);
        assertNotNull("Incorrect response status", map.get("status"));
        assertNotNull("Incorrect response message", map.get("message"));
      } catch (JsonSyntaxException e1) {
        fail("Incorrect response");
      }
  
      server.stop();
  
      verifyAll();
    }
  
    private String readResponse(Response response) {
      InputStream inputStream = (InputStream) response.getEntity();
      Scanner scanner = new Scanner(inputStream, "UTF-8").useDelimiter("\\A");
      return scanner.hasNext() ? scanner.next() : "";
    }
  
    @SuppressWarnings("serial")
    public static class HelloServlet extends HttpServlet {
      @Override
      protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        response.setContentType("text/html");
        response.setStatus(HttpServletResponse.SC_OK);
        response.getWriter().println("hello");
      }
  
    }
  }
  