How to use

addConnectionManager

method

in

org.apache.commons.httpclient.util.IdleConnectionTimeoutThread

idleConnectionTimeoutThread.setTimeoutInterval(idleConnectionCheckInterval);
idleConnectionTimeoutThread.addConnectionManager(httpConnectionManager);
idleConnectionTimeoutThread.start();

/**
 * 私有的构造方法
 */
private HttpProtocolHandler() {
  // 创建一个线程安全的HTTP连接池
  connectionManager = new MultiThreadedHttpConnectionManager();
  connectionManager.getParams().setDefaultMaxConnectionsPerHost(defaultMaxConnPerHost);
  connectionManager.getParams().setMaxTotalConnections(defaultMaxTotalConn);
  IdleConnectionTimeoutThread ict = new IdleConnectionTimeoutThread();
  ict.addConnectionManager(connectionManager);
  ict.setConnectionTimeout(defaultIdleConnTimeout);
  ict.start();
}

idleConnectionTimeoutThread = new IdleConnectionTimeoutThread();
idleConnectionTimeoutThread.setConnectionTimeout(config.getReadTimeout());
idleConnectionTimeoutThread.addConnectionManager(connectionManager);
idleConnectionTimeoutThread.start();

/**
 * Create and set connection pool.
 *
 * @param httpClient httpClient instance
 */
public static void createMultiThreadedHttpConnectionManager(HttpClient httpClient) {
  MultiThreadedHttpConnectionManager connectionManager = new MultiThreadedHttpConnectionManager();
  connectionManager.getParams().setDefaultMaxConnectionsPerHost(Settings.getIntProperty("davmail.exchange.maxConnections", 100));
  connectionManager.getParams().setConnectionTimeout(Settings.getIntProperty("davmail.exchange.connectionTimeout", 10) * 1000);
  connectionManager.getParams().setSoTimeout(Settings.getIntProperty("davmail.exchange.soTimeout", 120) * 1000);
  synchronized (LOCK) {
    ALL_CONNECTION_MANAGERS.add(connectionManager);
    httpConnectionManagerThread.addConnectionManager(connectionManager);
  }
  httpClient.setHttpConnectionManager(connectionManager);
}

connectionCleaner.addConnectionManager(clientConnectionManager);
connectionCleaner.start();