nokia/vnfmdriver/vfcadaptorservice/vfcadaptor/src/main/java/com/nokia/vfcadaptor/http/client/HttpClientUtils.java

   1 /*
   2  * Copyright 2016-2017, Nokia Corporation
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package com.nokia.vfcadaptor.http.client;
  18
  19 import java.security.cert.CertificateException;
  20 import java.security.cert.X509Certificate;
  21
  22 import javax.net.ssl.HostnameVerifier;
  23 import javax.net.ssl.SSLContext;
  24
  25 import org.apache.http.client.methods.HttpDelete;
  26 import org.apache.http.client.methods.HttpGet;
  27 import org.apache.http.client.methods.HttpPost;
  28 import org.apache.http.client.methods.HttpRequestBase;
  29 import org.apache.http.config.Registry;
  30 import org.apache.http.config.RegistryBuilder;
  31 import org.apache.http.conn.socket.ConnectionSocketFactory;
  32 import org.apache.http.conn.socket.PlainConnectionSocketFactory;
  33 import org.apache.http.conn.ssl.NoopHostnameVerifier;
  34 import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
  35 import org.apache.http.impl.client.HttpClientBuilder;
  36 import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
  37 import org.apache.http.ssl.SSLContextBuilder;
  38 import org.apache.http.ssl.TrustStrategy;
  39 import org.apache.log4j.Logger;
  40 import org.springframework.web.bind.annotation.RequestMethod;
  41
  42 public class HttpClientUtils {
  43         private final static Logger logger = Logger.getLogger(HttpClientUtils.class);
  44
  45         public static HttpClientBuilder createHttpClientBuilder() {
  46                 HttpClientBuilder httpClientBuilder = HttpClientBuilder.create();
  47
  48         SSLContext sslContext = null;
  49                 try {
  50                         sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {
  51                             public boolean isTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {
  52                                 return true;
  53                             }
  54                         }).build();
  55                 } catch (Exception e) {
  56                         logger.error("Error to createHttpClientBuilder", e);
  57                 }
  58                 httpClientBuilder.setSSLContext(sslContext);
  59
  60                 HostnameVerifier hostnameVerifier = NoopHostnameVerifier.INSTANCE;
  61
  62                 SSLConnectionSocketFactory sslSocketFactory = new SSLConnectionSocketFactory(sslContext, hostnameVerifier);
  63                 Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory>create()
  64                                 .register("http", PlainConnectionSocketFactory.getSocketFactory())
  65                                 .register("https", sslSocketFactory)
  66                                 .build();
  67
  68                 PoolingHttpClientConnectionManager connMgr = new PoolingHttpClientConnectionManager( socketFactoryRegistry);
  69                 connMgr.setMaxTotal(200);
  70                 connMgr.setDefaultMaxPerRoute(50);
  71                 httpClientBuilder.setConnectionManager(connMgr);
  72                 return httpClientBuilder;
  73         }
  74
  75         public static HttpRequestBase getHttpRequest(RequestMethod requestMethod) {
  76                 HttpRequestBase base = null;
  77                 switch(requestMethod) {
  78                         case GET:
  79                                 base = new HttpGet();
  80                                 break;
  81                         case DELETE:
  82                                 base = new HttpDelete();
  83                                 break;
  84                         default:
  85                                 base = new HttpPost();
  86                                 break;
  87                 }
  88                 return base;
  89         }
  90 }