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/**
* Copyright 2017 Huawei 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.openo.vnfsdk.lctest.common.util;
import java.io.File;
import java.io.IOException;
import org.apache.http.HttpEntity;
import org.apache.http.HttpHost;
import org.apache.http.HttpRequest;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.ResponseHandler;
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.client.methods.HttpPut;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.BasicResponseHandler;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class RestfulClient {
private static final String HTTP = "http";
private static final Logger logger = LoggerFactory.getLogger(RestfulClient.class);
enum HttpMethod {
GET, POST, PUT, DELETE
}
/**
* execute http.
* @param method http method
* @param ip ip
* @param port port
* @param url url
* @param body http body
* @return RestResponse
*/
public static RestResponse executeHttp(HttpMethod method, String ip, int port, String url,
HttpEntity body) {
CloseableHttpClient httpclient = HttpClients.createDefault();
HttpResponse httpResponse = null;
RestResponse result = new RestResponse();
try {
// specify the host, protocol, and port
HttpHost target = new HttpHost(ip, port, HTTP);
// specify the get request
HttpRequest request = getRequest(method, url, body);
httpResponse = httpclient.execute(target, request);
HttpEntity entity = httpResponse.getEntity();
if (entity != null) {
result.setStatusCode(httpResponse.getStatusLine().getStatusCode());
result.setResult(EntityUtils.toString(entity));
}
} catch (Exception e1) {
logger.error("send get rest request error:", e1.getMessage());
} finally {
if (httpclient != null) {
try {
httpclient.close();
} catch (IOException e2) {
logger.error("close httpclient error:", e2.getMessage());
}
}
}
return result;
}
private static HttpRequest getRequest(HttpMethod method, String url, HttpEntity body) {
HttpRequest request = null;
switch (method) {
case GET:
request = new HttpGet(url);
break;
case POST:
request = new HttpPost(url);
((HttpPost) request).setEntity(body);
break;
case PUT:
request = new HttpPut(url);
((HttpPut) request).setEntity(body);
break;
case DELETE:
request = new HttpDelete(url);
break;
default:
break;
}
return request;
}
public static RestResponse get(String ip, int port, String url) {
return executeHttp(HttpMethod.GET, ip, port, url, null);
}
public static RestResponse delete(String ip, int port, String url) {
return executeHttp(HttpMethod.DELETE, ip, port, url, null);
}
public static RestResponse post(String ip, int port, String url, HttpEntity requestBody) {
return executeHttp(HttpMethod.POST, ip, port, url, requestBody);
}
public static RestResponse sendPostRequest(String ip, String port, String url, String strJson)
{
RestResponse result = new RestResponse();
CloseableHttpClient httpClient = HttpClientBuilder.create().build();
HttpResponse httpResponse = null;
try
{
String urlPost = "http://" + ip + ":" + port + url;
logger.info("URL formed for Post, URL :" + urlPost);
logger.info("URL formed for Post, JSON :" + strJson);
HttpPost request = new HttpPost(urlPost);
StringEntity params = new StringEntity(strJson);
request.addHeader("content-type", "application/json");
request.setEntity(params);
httpResponse = httpClient.execute(request);
HttpEntity entity = httpResponse.getEntity();
if (entity != null)
{
result.setStatusCode(httpResponse.getStatusLine().getStatusCode());
result.setResult(EntityUtils.toString(entity));
}
}
catch (Exception ex)
{
logger.error("Send Post request error:", ex.getMessage());
}
finally
{
try {
if(null != httpClient) {
httpClient.close();
}
}
catch(IOException e){
logger.error("IOException :Send Post request error:", e.getMessage());
}
}
return result;
}
}
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