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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (C) 2017 Huawei Technologies Co., Ltd. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.mso.adapters.vfc.util;
import java.net.HttpURLConnection;
import java.net.SocketTimeoutException;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
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.methods.HttpRequestBase;
import org.apache.http.conn.ConnectTimeoutException;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import org.openecomp.mso.adapters.vfc.model.RestfulResponse;
import org.openecomp.mso.logger.MessageEnum;
import org.openecomp.mso.logger.MsoAlarmLogger;
import org.openecomp.mso.logger.MsoLogger;
import org.openecomp.mso.properties.MsoPropertiesException;
import org.openecomp.mso.properties.MsoPropertiesFactory;
/**
* <br>
* <p>
* </p>
* utility to invoke restclient
*
* @author
* @version ONAP Amsterdam Release 2017-9-6
*/
public class RestfulUtil {
/**
* Log service
*/
private static final MsoLogger LOGGER = MsoLogger.getMsoLogger(MsoLogger.Catalog.RA);
private static final MsoAlarmLogger ALARMLOGGER = new MsoAlarmLogger();
private static final int DEFAULT_TIME_OUT = 60000;
private static final MsoPropertiesFactory msoPropertiesFactory = new MsoPropertiesFactory();
public static String getMsbHost() {
String msbIp = "10.229.32.131";
String msbPort = "8090";
try {
msbIp = msoPropertiesFactory.getMsoJavaProperties("MSO_PROP_TOPOLOGY").getProperty("msb-ip",
"10.229.32.131");
msbPort = msoPropertiesFactory.getMsoJavaProperties("MSO_PROP_TOPOLOGY").getProperty("msb-port", "8099");
} catch(MsoPropertiesException e) {
LOGGER.error(MessageEnum.RA_NS_EXC, "VFC", "", MsoLogger.ErrorCode.AvailabilityError,
"Get msb properties failed");
e.printStackTrace();
}
return "http://" + msbIp + ":" + msbPort;
}
private RestfulUtil() {
}
public static RestfulResponse send(String url, String methodType, String content) {
String msbUrl = getMsbHost() + url;
LOGGER.info(MessageEnum.RA_NS_EXC, msbUrl, "VFC", "");
LOGGER.debug("VFC Request Body:\n" + content);
HttpRequestBase method = null;
HttpResponse httpResponse = null;
try {
int timeout = DEFAULT_TIME_OUT;
RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(timeout).setConnectTimeout(timeout)
.setConnectionRequestTimeout(timeout).build();
HttpClient client = HttpClientBuilder.create().build();
if("POST".equals(methodType.toUpperCase())) {
HttpPost httpPost = new HttpPost(msbUrl);
httpPost.setConfig(requestConfig);
httpPost.setEntity(new StringEntity(content, ContentType.APPLICATION_JSON));
method = httpPost;
} else if("PUT".equals(methodType.toUpperCase())) {
HttpPut httpPut = new HttpPut(msbUrl);
httpPut.setConfig(requestConfig);
httpPut.setEntity(new StringEntity(content, ContentType.APPLICATION_JSON));
method = httpPut;
} else if("GET".equals(methodType.toUpperCase())) {
HttpGet httpGet = new HttpGet(msbUrl);
httpGet.setConfig(requestConfig);
method = httpGet;
} else if("DELETE".equals(methodType.toUpperCase())) {
HttpDelete httpDelete = new HttpDelete(msbUrl);
httpDelete.setConfig(requestConfig);
method = httpDelete;
}
// now VFC have no auth
// String userCredentials =
// SDNCAdapterProperties.getEncryptedProperty(Constants.SDNC_AUTH_PROP,
// Constants.DEFAULT_SDNC_AUTH, Constants.ENCRYPTION_KEY);
// String authorization = "Basic " +
// DatatypeConverter.printBase64Binary(userCredentials.getBytes());
// method.setHeader("Authorization", authorization);
httpResponse = client.execute(method);
String responseContent = null;
if(httpResponse.getEntity() != null) {
responseContent = EntityUtils.toString(httpResponse.getEntity(), "UTF-8");
}
int statusCode = httpResponse.getStatusLine().getStatusCode();
String statusMessage = httpResponse.getStatusLine().getReasonPhrase();
LOGGER.debug("VFC Response: " + statusCode + " " + statusMessage
+ (responseContent == null ? "" : System.lineSeparator() + responseContent));
if(httpResponse.getStatusLine().getStatusCode() >= 300) {
String errMsg = "VFC returned " + statusCode + " " + statusMessage;
logError(errMsg);
return createResponse(statusCode, errMsg);
}
httpResponse = null;
if(null != method) {
method.reset();
} else {
LOGGER.debug("method is NULL:");
}
method = null;
LOGGER.info(MessageEnum.RA_RESPONSE_FROM_SDNC, responseContent, "VFC", "");
return createResponse(statusCode, responseContent);
} catch(SocketTimeoutException e) {
String errMsg = "Request to VFC timed out";
logError(errMsg, e);
return createResponse(HttpURLConnection.HTTP_CLIENT_TIMEOUT, errMsg);
} catch(ConnectTimeoutException e) {
String errMsg = "Request to VFC timed out";
logError(errMsg, e);
return createResponse(HttpURLConnection.HTTP_CLIENT_TIMEOUT, errMsg);
} catch(Exception e) {
String errMsg = "Error processing request to VFC";
logError(errMsg, e);
return createResponse(HttpURLConnection.HTTP_INTERNAL_ERROR, errMsg);
} finally {
if(httpResponse != null) {
try {
EntityUtils.consume(httpResponse.getEntity());
} catch(Exception e) {
LOGGER.debug("Exception :", e);
}
}
if(method != null) {
try {
method.reset();
} catch(Exception e) {
LOGGER.debug("Exception :", e);
}
}
}
}
private static void logError(String errMsg, Throwable t) {
LOGGER.error(MessageEnum.RA_NS_EXC, "VFC", "", MsoLogger.ErrorCode.AvailabilityError, errMsg, t);
ALARMLOGGER.sendAlarm("MsoInternalError", MsoAlarmLogger.CRITICAL, errMsg);
}
private static void logError(String errMsg) {
LOGGER.error(MessageEnum.RA_NS_EXC, "VFC", "", MsoLogger.ErrorCode.AvailabilityError, errMsg);
ALARMLOGGER.sendAlarm("MsoInternalError", MsoAlarmLogger.CRITICAL, errMsg);
}
private static RestfulResponse createResponse(int statusCode, String content) {
RestfulResponse rsp = new RestfulResponse();
rsp.setStatus(statusCode);
rsp.setResponseContent(content);
return rsp;
}
/**
* @param request
* @return
*/
// public static String getRequestBody(HttpServletRequest request) {
// String body = null;
// StringBuilder stringBuilder = new StringBuilder();
// BufferedReader bufferedReader = null;
// try {
// InputStream inputStream = request.getInputStream();
// if (inputStream != null) {
// bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
// char[] charBuffer = new char[128];
// int bytesRead = -1;
// while ((bytesRead = bufferedReader.read(charBuffer)) > 0)
// stringBuilder.append(charBuffer, 0, bytesRead);
// }
// } catch (IOException ex) {
// LOGGER.error(MessageEnum.RA_NS_EXC, "VFC", "", MsoLogger.ErrorCode.AvailabilityError,
// "read inputStream buffer catch exception:", ex);
// } finally {
// if (bufferedReader != null) {
// try {
// bufferedReader.close();
// } catch (IOException ex) {
// LOGGER.error(MessageEnum.RA_NS_EXC, "VFC", "", MsoLogger.ErrorCode.AvailabilityError,
// "close buffer catch exception:", ex);
// }
// }
// }
//
// body = stringBuilder.toString();
// return body;
// }
}
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