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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.consul;
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.json.JSONException;
import org.json.JSONObject;
import org.onap.ecomp.main.APIHConfig;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
public class ConsulClient {
private static ConsulClient client = null;
final static EELFLogger logger = EELFManager.getInstance().getLogger(ConsulClient.class);
HttpURLConnection connection = null;
public static ConsulClient getInstance() {
if (client == null)
return new ConsulClient();
else
return client;
}
public JSONObject doGET(String urlString) {
URL url;
JSONObject returnObj = null;
try {
urlString = getManagerID() + urlString;
url = new URL(urlString);
connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("GET");
connection.setDoOutput(true);
connection.setConnectTimeout(10000);
connection.setReadTimeout(10000);
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("responseMsg",check.toString());
returnObj.put("responseCode", responseCode);
returnObj.put("timestamp", getCurrentDataAndTime());
return returnObj;
} catch (Exception e) {
logger.error("Exception found : " + e.getLocalizedMessage());
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("responseMsg", responseMsg);
returnObj.put("responseCode", responseCode);
} catch (Exception e1) {
responseMsg = "Some Exception while retreiving the response";
responseCode = 500;
}
return returnObj;
}finally{
connection.disconnect();
}
}
public JSONObject doPOST(String urlString, JSONObject outputJSON) {
URL url;
JSONObject returnObj = null;
try {
urlString = getManagerID() + urlString;
url = new URL(urlString);
connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("POST");
connection.setDoOutput(true);
connection.setConnectTimeout(10000);
connection.setReadTimeout(10000);
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("responseMsg",check.toString());
returnObj.put("responseCode", responseCode);
returnObj.put("timestamp", getCurrentDataAndTime());
return returnObj;
} catch (Exception e) {
logger.error("Exception found : " + e.getLocalizedMessage());
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("responseMsg", responseMsg);
returnObj.put("responseCode", responseCode);
} catch (Exception e1) {
responseMsg = "Some Exception while retreiving the response";
responseCode = 500;
}
return returnObj;
} finally{
connection.disconnect();
}
}
public JSONObject doPUT(String urlString, JSONObject outputJson) {
URL url;
JSONObject returnObj = null;
try {
urlString = getManagerID() + urlString;
url = new URL(urlString);
connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("PUT");
connection.setDoOutput(true);
connection.setConnectTimeout(10000);
connection.setReadTimeout(10000);
if (outputJson != null) {
connection.setRequestProperty("Content-Type",
"application/json");
OutputStreamWriter out = new OutputStreamWriter(
connection.getOutputStream());
out.write(outputJson.toString());
out.close();
}
System.out.println(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("responseMsg",check.toString());
returnObj.put("responseCode", responseCode);
returnObj.put("timestamp", getCurrentDataAndTime());
return returnObj;
} catch (Exception e) {
logger.error("Exception found : " + e.getLocalizedMessage());
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("responseMsg", responseMsg);
returnObj.put("responseCode", responseCode);
} catch (Exception e1) {
responseMsg = "Some Exception while retreiving the response";
responseCode = 500;
}
return returnObj;
}finally{
connection.disconnect();
}
}
public JSONObject doDELETE(String urlString) {
URL url;
JSONObject returnObj = null;
try {
urlString = getManagerID() + urlString;
url = new URL(urlString);
connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("DELETE");
connection.setDoOutput(true);
connection.setConnectTimeout(10000);
connection.setReadTimeout(10000);
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("responseMsg",check.toString());
returnObj.put("responseCode", responseCode);
returnObj.put("timestamp", getCurrentDataAndTime());
return returnObj;
} catch (Exception e) {
logger.error("Exception found : " + e.getLocalizedMessage());
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("responseMsg", responseMsg);
returnObj.put("responseCode", responseCode);
} catch (Exception e1) {
responseMsg = "Some Exception while retreiving the response";
responseCode = 500;
}
return returnObj;
}finally{
connection.disconnect();
}
}
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 consul_ip = "";
String api_version = "";
String consul_port = "8500";
consul_ip = APIHConfig.getInstance().getConfigObject().optString("consul_ip");
api_version = APIHConfig.getInstance().getConfigObject().optString("consul_api_version");
consul_port = APIHConfig.getInstance().getConfigObject().optString("consul_port");
return "http://" + consul_ip + ":" + consul_port+ "/"+ api_version;
}
private JSONObject getErrorSteam() {
BufferedReader in = new BufferedReader(new InputStreamReader(
connection.getErrorStream()));
StringBuilder check = new StringBuilder();
try {
String inputLine;
while ((inputLine = in.readLine()) != null)
check.append(inputLine);
} catch (Exception ex) {
}
try {
return new JSONObject(check.toString());
} catch (JSONException e) {
return null;
}
}
}
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