content: package org.apache.avro.ipc.jetty;
  
  import org.apache.avro.ipc.stats.StatsPlugin;
  import org.apache.avro.ipc.stats.StatsServlet;
  /*
   * 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
   *
   *     https://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.
   */
  import org.eclipse.jetty.server.Server;
  import org.eclipse.jetty.servlet.ServletHandler;
  import org.eclipse.jetty.servlet.ServletHolder;
  
  /* This is a server that displays live information from a StatsPlugin.
   *
   *  Typical usage is as follows:
   *    StatsPlugin plugin = new StatsPlugin();
   *    requestor.addPlugin(plugin);
   *    StatsServer server = new StatsServer(plugin, 8080);
   *
   *  */
  public class StatsServer {
    Server httpServer;
    StatsPlugin plugin;
  
    /*
     * Start a stats server on the given port, responsible for the given plugin.
     */
    public StatsServer(StatsPlugin plugin, int port) throws Exception {
      this.httpServer = new Server(port);
      this.plugin = plugin;
  
      ServletHandler handler = new ServletHandler();
      httpServer.setHandler(handler);
      handler.addServletWithMapping(new ServletHolder(new StaticServlet()), "/");
  
      handler.addServletWithMapping(new ServletHolder(new StatsServlet(plugin)), "/");
  
      httpServer.start();
    }
  
    /* Stops this server. */
    public void stop() throws Exception {
      this.httpServer.stop();
    }
  }
  