code: // Licensed to the Software Freedom Conservancy (SFC) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The SFC 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.openqa.selenium.docker.v1_41;
  
  import static java.net.HttpURLConnection.HTTP_OK;
  import static org.openqa.selenium.docker.v1_41.V141Docker.DOCKER_API_VERSION;
  import static org.openqa.selenium.remote.http.HttpMethod.GET;
  
  import java.util.Arrays;
  import java.util.List;
  import java.util.logging.Logger;
  import org.openqa.selenium.docker.ContainerId;
  import org.openqa.selenium.docker.ContainerLogs;
  import org.openqa.selenium.internal.Require;
  import org.openqa.selenium.remote.http.Contents;
  import org.openqa.selenium.remote.http.HttpHandler;
  import org.openqa.selenium.remote.http.HttpRequest;
  import org.openqa.selenium.remote.http.HttpResponse;
  
  class GetContainerLogs {
  
    private static final Logger LOG = Logger.getLogger(GetContainerLogs.class.getName());
    private final HttpHandler client;
  
    public GetContainerLogs(HttpHandler client) {
      this.client = Require.nonNull("HTTP client", client);
    }
  
    public ContainerLogs apply(ContainerId id) {
      Require.nonNull("Container id", id);
  
      String requestUrl =
          String.format("/v%s/containers/%s/logs?stdout=true&stderr=true", DOCKER_API_VERSION, id);
  
      HttpResponse res =
          client.execute(new HttpRequest(GET, requestUrl).addHeader("Content-Type", "text/plain"));
      if (res.getStatus() != HTTP_OK) {
        LOG.warning("Unable to inspect container " + id);
      }
      List<String> logLines = Arrays.asList(Contents.string(res).split("\n"));
      return new ContainerLogs(id, logLines);
    }
  }
  