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/*
* Copyright 2016-2017, Nokia Corporation
*
* 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 org.onap.vfc.nfvo.driver.vnfm.svnfm.http.client;
import java.io.IOException;
import java.net.URI;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpPatch;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpRequestBase;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import org.onap.vfc.nfvo.driver.vnfm.svnfm.constant.CommonConstants;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.bind.annotation.RequestMethod;
public class HttpRequestProcessor {
private static final Logger logger = LoggerFactory.getLogger(HttpRequestProcessor.class);
private CloseableHttpClient httpClient;
private HttpRequestBase httpRequest;
public HttpRequestProcessor(HttpClientBuilder httpClientBuilder, RequestMethod requestMethod)
{
httpClient = httpClientBuilder.build();
httpRequest = HttpClientUtils.getHttpRequest(requestMethod);
}
public HttpResult process(String url) throws ClientProtocolException, IOException
{
httpRequest.setURI(URI.create(url));
HttpResponse response = httpClient.execute(httpRequest);
HttpResult httpResult = buildHttpResult(response);
httpRequest.releaseConnection();
// httpClient.close();
return httpResult;
}
private HttpResult buildHttpResult(HttpResponse response) throws IOException {
HttpEntity resEntity = response.getEntity();
String responseContent = "";
if (resEntity != null) {
responseContent = EntityUtils.toString(resEntity, CommonConstants.UTF_8);
EntityUtils.consume(resEntity);
}
HttpResult httpResult = new HttpResult();
httpResult.setStatusCode(response.getStatusLine().getStatusCode());
httpResult.setStatusCause(response.getStatusLine().getReasonPhrase());
httpResult.setHeaders(response.getAllHeaders());
httpResult.setContent(responseContent);
return httpResult;
}
public void addHdeader(String key, String value) {
httpRequest.setHeader(key, value);
}
public void addPostEntity(String bodyStr) {
if(httpRequest instanceof HttpPost) {
((HttpPost)httpRequest).setEntity(new StringEntity(bodyStr, CommonConstants.UTF_8));
} else if(httpRequest instanceof HttpPatch) {
((HttpPatch)httpRequest).setEntity(new StringEntity(bodyStr, CommonConstants.UTF_8));
}
}
public void addBytesPostEntity(byte[] byteArray) {
((HttpPost)httpRequest).setEntity(new ByteArrayEntity(byteArray));
}
}
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