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/*
* Copyright 2017 BOCO Corporation. CMCC Technologies Co., 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 org.onap.vfc.nfvo.emsdriver.northbound.client;
import org.apache.commons.codec.binary.Base64;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.http.HttpEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
/*
* HttpClient post request
*/
public class HttpClientUtil {
private static final Logger log = LoggerFactory.getLogger(HttpClientUtil.class);
public static String doPost(String url, String json, String charset) {
String result = null;
try(
CloseableHttpClient httpClient = HttpClientFactory.getSSLClientFactory()){
HttpPost httpPost = new HttpPost(url);
if (null != json) {
StringEntity s = new StringEntity(json);
s.setContentEncoding("UTF-8");
s.setContentType("application/json"); // set contentType
httpPost.setEntity(s);
}
try(CloseableHttpResponse response = httpClient.execute(httpPost)){
if (null != response) {
HttpEntity resEntity = response.getEntity();
if (null != resEntity) {
result = EntityUtils.toString(resEntity, charset);
}
}
} catch (Exception e) {
log.error("httpClient.execute(httpPost) is fail", e);
}
} catch (Exception e) {
log.error("doPost is fail ", e);
}
return result;
}
public static String doDelete(String url, String charset) {
String result = null;
try (
CloseableHttpClient httpClient = HttpClientFactory.getSSLClientFactory()){
HttpDelete httpDelete = new HttpDelete(url);
try(CloseableHttpResponse response = httpClient.execute(httpDelete)){
if (null != response) {
HttpEntity resEntity = response.getEntity();
if (null != resEntity) {
result = EntityUtils.toString(resEntity, charset);
}
}
} catch (Exception e) {
log.error("doDelete Exception: ", e);
}
} catch (Exception e) {
log.error("doDelete is fail ", e);
}
return result;
}
public static String doGet(String url, String charset) {
String result = null;
try (
CloseableHttpClient httpClient = HttpClients.createDefault()){
HttpGet httpGet = new HttpGet(url);
httpGet.setHeader("Content-Type", "application/json");
httpGet.setHeader("Accept", "application/json");
httpGet.setHeader("X-TransactionId", "111");
httpGet.setHeader("X-FromAppId", "ems-driver");
Base64 token = new Base64();
String authenticationEncoding = new String(token.encode(("AAI:AAI").getBytes()));
httpGet.setHeader("Authorization", "Basic " + authenticationEncoding);
log.info("1 doGet sucess url =" + url);
try (CloseableHttpResponse response = httpClient.execute(httpGet)){
if (null != response) {
HttpEntity resEntity = response.getEntity();
if (null != resEntity) {
result = EntityUtils.toString(resEntity, charset);
}
}
} catch (Exception e) {
log.error("doGet Exception: ", e);
}
} catch (Exception e) {
log.error("doGet is fail ", e);
}
return result;
}
}
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