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/*******************************************************************************
* Copyright 2017 ZTE, Inc. and others.
*
* 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.msb.sdk.discovery.util;
import java.io.IOException;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
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.client.methods.HttpPut;
import org.apache.http.client.utils.URLEncodedUtils;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.onap.msb.sdk.discovery.common.RouteConst;
import org.onap.msb.sdk.discovery.common.RouteException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class HttpClientUtil {
private static final Logger logger = LoggerFactory.getLogger(HttpClientUtil.class);
public static String httpPostWithJSON(String url, String params) throws RouteException {
String result = null;
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpPost httpPost = new HttpPost(url);
httpPost.addHeader("Content-type", "application/json; charset=utf-8");
httpPost.setHeader("Accept", "application/json");
httpPost.setEntity(new StringEntity(params, Charset.forName("UTF-8")));
try {
CloseableHttpResponse res = httpClient.execute(httpPost);
result = EntityUtils.toString(res.getEntity());
if (res.getStatusLine().getStatusCode() != RouteConst.SC_POST_OK) {
throw new RouteException(result, "SERVICE_GET_ERR");
}
res.close();
} catch (IOException e) {
String errorMsg = url + ":httpPostWithJSON connect faild";
throwsRouteException(errorMsg, e, "POST_CONNECT_FAILD");
} finally {
try {
httpClient.close();
} catch (IOException e) {
String errorMsg = url + ":close httpClient faild";
throwsRouteException(errorMsg, e, "CLOSE_CONNECT_FAILD");
}
}
return result;
}
public static void delete(String url, String parameter) throws RouteException {
String result = null;
String baseUrl;
if (parameter != null) {
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("serviceName", parameter));
baseUrl = url + "?" + URLEncodedUtils.format(params, "UTF-8");
} else {
baseUrl = url;
}
CloseableHttpClient httpClient = HttpClients.createDefault();;
try {
HttpDelete httpDelete = new HttpDelete(baseUrl);
CloseableHttpResponse res = httpClient.execute(httpDelete);
if (res.getStatusLine().getStatusCode() != RouteConst.SC_DEL_OK) {
throw new RouteException(EntityUtils.toString(res.getEntity()), "SERVICE_DELETE_ERR");
}
res.close();
} catch (IOException e) {
String errorMsg = baseUrl + ":delete connect faild";
throwsRouteException(errorMsg, e, "DELETE_CONNECT_FAILD");
} finally {
try {
httpClient.close();
} catch (IOException e) {
String errorMsg = baseUrl + ":close httpClient faild";
throwsRouteException(errorMsg, e, "CLOSE_CONNECT_FAILD");
}
}
}
public static String httpGet(String url) throws RouteException {
String result = null;
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet(url);
httpGet.addHeader("Content-type", "application/json; charset=utf-8");
httpGet.setHeader("Accept", "application/json");
try {
CloseableHttpResponse res = httpClient.execute(httpGet);
result = EntityUtils.toString(res.getEntity());
if (res.getStatusLine().getStatusCode() != RouteConst.SC_OK) {
throw new RouteException(result, "SERVICE_GET_ERR");
}
res.close();
} catch (ClientProtocolException e) {
String errorMsg = url + ":httpGetWithJSON connect faild";
throwsRouteException(errorMsg, e, "GET_CONNECT_FAILD");
} catch (IOException e) {
String errorMsg = url + ":httpGetWithJSON connect faild";
throwsRouteException(errorMsg, e, "GET_CONNECT_FAILD");
} finally {
try {
httpClient.close();
} catch (IOException e) {
String errorMsg = url + ":close httpClient faild";
throwsRouteException(errorMsg, e, "CLOSE_CONNECT_FAILD");
}
}
return result;
}
public static String httpPutWithJSON(String url, String params) throws RouteException {
String result = null;
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpPut httpPut = new HttpPut(url);
httpPut.addHeader("Content-type", "application/json; charset=utf-8");
httpPut.setHeader("Accept", "application/json");
httpPut.setEntity(new StringEntity(params, Charset.forName("UTF-8")));
try {
CloseableHttpResponse res = httpClient.execute(httpPut);
result = EntityUtils.toString(res.getEntity());
if (res.getStatusLine().getStatusCode() != RouteConst.SC_POST_OK) {
throw new RouteException(result, "SERVICE_GET_ERR");
}
res.close();
} catch (IOException e) {
String errorMsg = url + ":httpPostWithJSON connect faild";
throwsRouteException(errorMsg, e, "POST_CONNECT_FAILD");
} finally {
try {
httpClient.close();
} catch (IOException e) {
String errorMsg = url + ":close httpClient faild";
throwsRouteException(errorMsg, e, "CLOSE_CONNECT_FAILD");
}
}
return result;
}
private static void throwsRouteException(String errorMsg, Exception e, String errorCode)
throws RouteException {
String msg = errorMsg + ".errorMsg:" + e.getMessage();
logger.error(msg);
throw new RouteException(errorMsg, errorCode);
}
}
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