content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * 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 com.alibaba.csp.sentinel.transport.heartbeat.client;
  
  import com.alibaba.csp.sentinel.transport.endpoint.Protocol;
  import com.alibaba.csp.sentinel.transport.ssl.SslFactory;
  import org.apache.http.conn.ssl.NoopHostnameVerifier;
  import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
  import org.apache.http.impl.client.CloseableHttpClient;
  import org.apache.http.impl.client.HttpClients;
  
  /**
   * @author Leo Li
   */
  public class HttpClientsFactory {
  
      private static class SslConnectionSocketFactoryInstance {
          private static final SSLConnectionSocketFactory SSL_CONNECTION_SOCKET_FACTORY = new SSLConnectionSocketFactory(SslFactory.getSslConnectionSocketFactory(), NoopHostnameVerifier.INSTANCE);
      }
  
      public static CloseableHttpClient getHttpClientsByProtocol(Protocol protocol) {
          return protocol == Protocol.HTTP ? HttpClients.createDefault() : HttpClients.custom().
                  setSSLSocketFactory(SslConnectionSocketFactoryInstance.SSL_CONNECTION_SOCKET_FACTORY).build();
      }
  }
  