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/*******************************************************************************
* =============LICENSE_START=========================================================
*
* =================================================================================
* Copyright (c) 2017 AT&T Intellectual Property. 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=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*******************************************************************************/
package org.onap.ecomp.main.cloudify;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.apache.commons.codec.binary.Base64;
import org.json.JSONException;
import org.json.JSONObject;
import org.onap.ecomp.main.APIHConfig;
public class CloudifyClient {
private static final String MESSAGE = "message";
private static final String AUTHORIZATION = "Authorization";
private static final String RESPONSE_MSG = "responseMsg";
private static final String RESPONSE_CODE = "responseCode";
private static final String TIME_STAMP = "timestamp";
private static final String EXCEPTION_FOUND = "Exception found : ";
private static final String ERROR_RESPONSE_MSG = "Some Exception while retrieving the response ";
private static final int ERROR_RESPONSE_CODE = 500;
private static CloudifyClient client = null;
private static final EELFLogger logger = EELFManager.getInstance().getLogger(CloudifyClient.class);
private HttpURLConnection connection = null;
public static CloudifyClient getInstance() {
if (client == null) {
return new CloudifyClient();
} else {
return client;
}
}
public JSONObject doGET(String urlString) {
URL url;
JSONObject returnObj;
try {
url = new URL(getManagerID() + urlString);
connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("GET");
connection.setDoOutput(true);
connection.setConnectTimeout(10000);
connection.setReadTimeout(10000);
connection.setRequestProperty(AUTHORIZATION, getAuthString());
BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
StringBuilder check = new StringBuilder();
String inputLine;
while ((inputLine = in.readLine()) != null) {
check.append(inputLine);
}
// get the Response code from the HTTP
int responseCode = connection.getResponseCode();
returnObj = new JSONObject();
returnObj.put(RESPONSE_MSG, check.toString());
returnObj.put(RESPONSE_CODE, responseCode);
returnObj.put(TIME_STAMP, getCurrentDataAndTime());
in.close();
return returnObj;
} catch (Exception e) {
logger.error(EXCEPTION_FOUND + e.getLocalizedMessage(), e);
return buildReturnObjectWhenExceptionOccurred();
} finally {
connection.disconnect();
}
}
public JSONObject doPOST(String urlString, JSONObject outputJSON) {
URL url;
JSONObject returnObj;
try {
url = new URL(getManagerID() + urlString);
connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("POST");
connection.setDoOutput(true);
connection.setConnectTimeout(10000);
connection.setReadTimeout(10000);
connection.setRequestProperty(AUTHORIZATION, getAuthString());
connection.setRequestProperty("Content-Type", "application/json");
OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream());
out.write(outputJSON.toString());
out.close();
BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
StringBuilder check = new StringBuilder();
String inputLine;
while ((inputLine = in.readLine()) != null) {
check.append(inputLine);
}
// get the Response code from the HTTP
int responseCode = connection.getResponseCode();
returnObj = new JSONObject();
returnObj.put(RESPONSE_MSG, check.toString());
returnObj.put(RESPONSE_CODE, responseCode);
returnObj.put(TIME_STAMP, getCurrentDataAndTime());
in.close();
return returnObj;
} catch (Exception e) {
logger.error(EXCEPTION_FOUND + e.getLocalizedMessage());
return buildReturnObjectWhenExceptionOccurred();
} finally {
connection.disconnect();
}
}
public JSONObject doPUT(String urlString, JSONObject outputJson) {
URL url;
JSONObject returnObj;
try {
url = new URL(getManagerID() + urlString);
connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("PUT");
connection.setDoOutput(true);
connection.setConnectTimeout(10000);
connection.setReadTimeout(10000);
connection.setRequestProperty(AUTHORIZATION, getAuthString());
if (outputJson != null) {
connection.setRequestProperty("Content-Type",
"application/json");
OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream());
out.write(outputJson.toString());
out.close();
}
logger.info(connection.getResponseMessage());
BufferedReader in = new BufferedReader(new InputStreamReader(
connection.getInputStream()));
StringBuilder check = new StringBuilder();
String inputLine;
while ((inputLine = in.readLine()) != null) {
check.append(inputLine);
}
// get the Response code from the HTTP
int responseCode = connection.getResponseCode();
returnObj = new JSONObject();
returnObj.put(RESPONSE_MSG, check.toString());
returnObj.put(RESPONSE_CODE, responseCode);
returnObj.put(TIME_STAMP, getCurrentDataAndTime());
in.close();
return returnObj;
} catch (Exception e) {
logger.error(EXCEPTION_FOUND + e.getLocalizedMessage());
return buildReturnObjectWhenExceptionOccurred();
} finally {
connection.disconnect();
}
}
public JSONObject doDELETE(String urlString) {
URL url;
JSONObject returnObj;
try {
url = new URL(getManagerID() + urlString);
connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("DELETE");
connection.setDoOutput(true);
connection.setConnectTimeout(10000);
connection.setReadTimeout(10000);
connection.setRequestProperty(AUTHORIZATION, getAuthString());
BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
StringBuilder check = new StringBuilder();
String inputLine;
while ((inputLine = in.readLine()) != null) {
check.append(inputLine);
}
// get the Response code from the HTTP
int responseCode = connection.getResponseCode();
returnObj = new JSONObject();
returnObj.put(RESPONSE_MSG, check.toString());
returnObj.put(RESPONSE_CODE, responseCode);
returnObj.put(TIME_STAMP, getCurrentDataAndTime());
in.close();
return returnObj;
} catch (Exception e) {
logger.error(EXCEPTION_FOUND + e.getLocalizedMessage());
return buildReturnObjectWhenExceptionOccurred();
} finally {
connection.disconnect();
}
}
private JSONObject buildReturnObjectWhenExceptionOccurred() {
JSONObject returnObj = new JSONObject();
String responseMsg;
int responseCode;
try {
responseMsg = connection.getResponseMessage();
JSONObject errorSteam = getErrorSteam();
if (errorSteam != null) {
responseMsg = errorSteam.optString(MESSAGE);
}
responseCode = connection.getResponseCode();
returnObj.put(RESPONSE_MSG, responseMsg);
returnObj.put(RESPONSE_CODE, responseCode);
} catch (Exception e1) {
responseMsg = ERROR_RESPONSE_MSG;
responseCode = ERROR_RESPONSE_CODE;
logger.error(responseMsg + responseCode, e1);
}
return returnObj;
}
private String getCurrentDataAndTime() {
DateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
Date date = new Date();
return dateFormat.format(date);
}
private String getManagerID() {
String managerIp;
String apiVersion;
managerIp = APIHConfig.getInstance().getConfigObject().optString("manager_ip");
apiVersion = APIHConfig.getInstance().getConfigObject().optString("api_version");
return "http://" + managerIp + "/api/" + apiVersion;
}
private String getManagerUsername() {
String managerUsername;
managerUsername = APIHConfig.getInstance().getConfigObject().optString("manager_username");
return managerUsername;
}
private String getManagerPassword() {
String managerPassword;
managerPassword = APIHConfig.getInstance().getConfigObject().optString("manager_password");
return managerPassword;
}
private String getAuthString() {
String username = getManagerUsername();
String password = getManagerPassword();
String authString = username + ":" + password;
byte[] authEncBytes = Base64.encodeBase64(authString.getBytes());
String authStringEnc = new String(authEncBytes);
return "Basic " + authStringEnc;
}
private JSONObject getErrorSteam() {
StringBuilder check = new StringBuilder();
try (BufferedReader in = new BufferedReader(new InputStreamReader(
connection.getErrorStream()))) {
String inputLine;
while ((inputLine = in.readLine()) != null) {
check.append(inputLine);
}
} catch (Exception ex) {
logger.error(ex.getLocalizedMessage(), ex);
}
try {
return new JSONObject(check.toString());
} catch (JSONException e) {
return null;
}
}
}
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