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.HttpPatch;
  26 import org.apache.http.client.methods.HttpPost;
  27 import org.apache.http.client.methods.HttpRequestBase;
  28 import org.apache.http.entity.ByteArrayEntity;
  29 import org.apache.http.entity.StringEntity;
  30 import org.apache.http.impl.client.CloseableHttpClient;
  31 import org.apache.http.impl.client.HttpClientBuilder;
  32 import org.apache.http.util.EntityUtils;
  33 import org.onap.vfc.nfvo.driver.vnfm.svnfm.constant.CommonConstants;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36 import org.springframework.web.bind.annotation.RequestMethod;
  37
  38 public class HttpRequestProcessor {
  39         private static final Logger logger = LoggerFactory.getLogger(HttpRequestProcessor.class);
  40         private CloseableHttpClient httpClient;
  41         private HttpRequestBase httpRequest;
  42
  43         public HttpRequestProcessor(HttpClientBuilder httpClientBuilder, RequestMethod requestMethod)
  44         {
  45                 httpClient = httpClientBuilder.build();
  46                 httpRequest = HttpClientUtils.getHttpRequest(requestMethod);
  47         }
  48
  49         public HttpResult process(String url) throws ClientProtocolException, IOException
  50         {
  51                 httpRequest.setURI(URI.create(url));
  52
  53                 HttpResponse response = httpClient.execute(httpRequest);
  54                 httpRequest.releaseConnection();
  55 //              httpClient.close();
  56                 HttpResult httpResult = buildHttpResult(response);
  57
  58                 return httpResult;
  59         }
  60
  61         private HttpResult buildHttpResult(HttpResponse response) throws IOException {
  62                 HttpEntity resEntity = response.getEntity();
  63                 String responseContent = "";
  64                 if (resEntity != null) {
  65                         responseContent = EntityUtils.toString(resEntity, CommonConstants.UTF_8);
  66                         EntityUtils.consume(resEntity);
  67                 }
  68
  69                 HttpResult httpResult = new HttpResult();
  70                 httpResult.setStatusCode(response.getStatusLine().getStatusCode());
  71                 httpResult.setStatusCause(response.getStatusLine().getReasonPhrase());
  72                 httpResult.setHeaders(response.getAllHeaders());
  73                 httpResult.setContent(responseContent);
  74
  75                 return httpResult;
  76         }
  77
  78         public void addHdeader(String key, String value) {
  79                 httpRequest.setHeader(key, value);
  80
  81         }
  82
  83         public void addPostEntity(String bodyStr) {
  84                 if(httpRequest instanceof HttpPost) {
  85                         ((HttpPost)httpRequest).setEntity(new StringEntity(bodyStr, CommonConstants.UTF_8));
  86                 } else if(httpRequest instanceof HttpPatch) {
  87                         ((HttpPatch)httpRequest).setEntity(new StringEntity(bodyStr, CommonConstants.UTF_8));
  88                 }
  89         }
  90
  91         public void addBytesPostEntity(byte[] byteArray) {
  92                 ((HttpPost)httpRequest).setEntity(new ByteArrayEntity(byteArray));
  93         }
  94 }