nokia/vnfmdriver/vfcadaptorservice/vfcadaptor/src/main/java/org/onap/vfc/nfvo/driver/vnfm/svnfm/http/client/HttpRequestProcessor.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 org.onap.vfc.nfvo.driver.vnfm.svnfm.http.client;
  18
  19 import java.io.IOException;
  20 import java.net.URI;
  21
  22 import org.apache.http.HttpEntity;
  23 import org.apache.http.HttpResponse;
  24 import org.apache.http.client.ClientProtocolException;
  25 import org.apache.http.client.methods.HttpPost;
  26 import org.apache.http.client.methods.HttpRequestBase;
  27 import org.apache.http.entity.ByteArrayEntity;
  28 import org.apache.http.entity.StringEntity;
  29 import org.apache.http.impl.client.CloseableHttpClient;
  30 import org.apache.http.impl.client.HttpClientBuilder;
  31 import org.apache.http.util.EntityUtils;
  32 import org.onap.vfc.nfvo.driver.vnfm.svnfm.constant.CommonConstants;
  33 import org.springframework.web.bind.annotation.RequestMethod;
  34
  35 public class HttpRequestProcessor {
  36         private CloseableHttpClient httpClient;
  37         private HttpRequestBase httpRequest;
  38
  39         public HttpRequestProcessor(HttpClientBuilder httpClientBuilder, RequestMethod requestMethod)
  40         {
  41                 httpClient = httpClientBuilder.build();
  42                 httpRequest = HttpClientUtils.getHttpRequest(requestMethod);
  43         }
  44
  45         public HttpResult process(String url) throws ClientProtocolException, IOException
  46         {
  47                 httpRequest.setURI(URI.create(url));
  48
  49                 HttpResponse response = httpClient.execute(httpRequest);
  50                 HttpResult httpResult = buildHttpResult(response);
  51
  52                 return httpResult;
  53         }
  54
  55         private HttpResult buildHttpResult(HttpResponse response) throws IOException {
  56                 HttpEntity resEntity = response.getEntity();
  57                 String responseContent = "";
  58                 if (resEntity != null) {
  59                         responseContent = EntityUtils.toString(resEntity, CommonConstants.UTF_8);
  60                         EntityUtils.consume(resEntity);
  61                 }
  62
  63                 HttpResult httpResult = new HttpResult();
  64                 httpResult.setStatusCode(response.getStatusLine().getStatusCode());
  65                 httpResult.setStatusCause(response.getStatusLine().getReasonPhrase());
  66                 httpResult.setHeaders(response.getAllHeaders());
  67                 httpResult.setContent(responseContent);
  68
  69                 return httpResult;
  70         }
  71
  72         public void addHdeader(String key, String value) {
  73                 httpRequest.setHeader(key, value);
  74
  75         }
  76
  77         public void addPostEntity(String bodyStr) {
  78                 ((HttpPost)httpRequest).setEntity(new StringEntity(bodyStr, CommonConstants.UTF_8));
  79         }
  80
  81         public void addBytesPostEntity(byte[] byteArray) {
  82                 ((HttpPost)httpRequest).setEntity(new ByteArrayEntity(byteArray));
  83         }
  84 }