nus-yam/ex-repair huggingface dataset:
Program: 34383
Project: 34383
Buggy source:
/** 
 * Note that this class does not have a default constructor
 * @param type Object of String which denotes command type
 * @param id Object of String which denotes command id
 * @param command Object of String which denotes actual command type
 * @param format Object of String which denotes command format, say json
 * @param msg MqttMessage
 * @see <a href="http://www.eclipse.org/paho/files/javadoc/index.html">Paho Client Library</a> 
 * @throws UnsupportedEncodingException 
 */
public Command(String type,String id,String command,String format,MqttMessage msg) throws UnsupportedEncodingException {
  super(msg,format);
  this.type=type;
  this.id=id;
  this.command=command;
  this.format=format;
}

Fixed version (ground truth):
/** 
 * Note that this class does not have a default constructor
 * @param type Object of String which denotes command type
 * @param id Object of String which denotes command id
 * @param command Object of String which denotes actual command type
 * @param format Object of String which denotes command format, say json
 * @param msg MqttMessage
 * @see <a href="http://www.eclipse.org/paho/files/javadoc/index.html">Paho Client Library</a> 
 * @throws UnsupportedEncodingException when the format is not UTF-8
 */
public Command(String type,String id,String command,String format,MqttMessage msg) throws UnsupportedEncodingException {
  super(msg,format);
  this.type=type;
  this.id=id;
  this.command=command;
  this.format=format;
}
Program: 34384
Project: 34384
Buggy source:
/** 
 * <p>Connects the Gateway to IBM Watson Internet of Things Platform.  After the successful connection to the IBM Watson IoT Platform,  the Gateway client can perform the following operations,</p> <ul class="simple"> <li>Publish events for itself and on behalf of devices connected behind the Gateway. <li>Subscribe to commands for itself and on behalf of devices behind the Gateway. </ul> </p> <p>The GatewayClient retries when there is a connect exception based on the  value set in retry parameter. <br> This method does not retry when the following exceptions occur.</p> <ul class="simple"> <li> MqttSecurityException - One or more credentials are wrong <li>UnKnownHostException - Host doesn't exist. For example, a wrong organization name is used to connect. </ul>
 * @param numberOfRetryAttempts - How many number of times to retry when there is a failure in connecting to WatsonIoT Platform.
 * @throws MqttException see above
 */
@Override public void connect(int numberOfRetryAttempts) throws MqttException {
  super.connect(numberOfRetryAttempts);
  subscribeToGatewayCommands();
}

Fixed version (ground truth):
/** 
 * <p>Connects the Gateway to IBM Watson Internet of Things Platform.  After the successful connection to the IBM Watson IoT Platform,  the Gateway client can perform the following operations,</p> <ul class="simple"> <li>Publish events for itself and on behalf of devices connected behind the Gateway. <li>Subscribe to commands for itself and on behalf of devices behind the Gateway. </ul> <p>The GatewayClient retries when there is a connect exception based on the  value set in retry parameter. <br> This method does not retry when the following exceptions occur.</p> <ul class="simple"> <li> MqttSecurityException - One or more credentials are wrong <li>UnKnownHostException - Host doesn't exist. For example, a wrong organization name is used to connect. </ul>
 * @param numberOfRetryAttempts - How many number of times to retry when there is a failure in connecting to WatsonIoT Platform.
 * @throws MqttException see above
 */
@Override public void connect(int numberOfRetryAttempts) throws MqttException {
  super.connect(numberOfRetryAttempts);
  subscribeToGatewayCommands();
}
Program: 34385
Project: 34385
Buggy source:
/** 
 * <p>This method connects the Gateway to the IBM IBM Watson IoT Platform.</p> <p>Note that the Gateway needs to make a call manage() to participate in Device Management activities.<p>  <p> This method does nothing if the Gateway is already connected. This method does not retry when the following exceptions occur.</p> <ul class="simple"> <li> MqttSecurityException - One or more credentials are wrong <li>UnKnownHostException - Host doesn't exist. For example, a wrong organization name is used to connect. </ul>
 * @throws MqttException refer above
 */
public void connect() throws MqttException {
  final String METHOD="String_Node_Str";
  if (this.isConnected()) {
    LoggerUtility.log(Level.WARNING,CLASS_NAME,METHOD,"String_Node_Str");
    return;
  }
  super.connect();
}

Fixed version (ground truth):
/** 
 * <p>This method connects the Gateway to the IBM IBM Watson IoT Platform.</p> <p>Note that the Gateway needs to make a call manage() to participate in Device Management activities.</p>  <p> This method does nothing if the Gateway is already connected. This method does not retry when the following exceptions occur.</p> <ul class="simple"> <li> MqttSecurityException - One or more credentials are wrong <li>UnKnownHostException - Host doesn't exist. For example, a wrong organization name is used to connect. </ul>
 * @throws MqttException refer above
 */
public void connect() throws MqttException {
  final String METHOD="String_Node_Str";
  if (this.isConnected()) {
    LoggerUtility.log(Level.WARNING,CLASS_NAME,METHOD,"String_Node_Str");
    return;
  }
  super.connect();
}
Program: 34386
Project: 34386
Buggy source:
/** 
 * Add a new listener to be notified when device action status is changed. 
 * @param listener
 */
public synchronized void addPropertyChangeListener(PropertyChangeListener listener){
  pcs.addPropertyChangeListener(DEVICE_ACTION_STATUS_UPDATE,listener);
}

Fixed version (ground truth):
/** 
 * Add a new listener to be notified when device action status is changed. 
 * @param listener PropertyChangeListener
 */
public synchronized void addPropertyChangeListener(PropertyChangeListener listener){
  pcs.addPropertyChangeListener(DEVICE_ACTION_STATUS_UPDATE,listener);
}
Program: 34389
Project: 34389
Buggy source:
/** 
 * This constructor allows external user to pass the existing MqttClient 
 * @param mqttClient
 */
protected AbstractClient(MqttClient mqttClient){
  this.mqttClient=mqttClient;
}

Fixed version (ground truth):
/** 
 * This constructor allows external user to pass the existing MqttClient 
 * @param mqttClient the MQTTClient that has the connectivity parameters set
 */
protected AbstractClient(MqttClient mqttClient){
  this.mqttClient=mqttClient;
}
Program: 34390
Project: 34390
Buggy source:
public String getOrgId(){
  String org=null;
  org=options.getProperty("String_Node_Str");
  if (org == null) {
    org=options.getProperty("String_Node_Str");
  }
  return trimedValue(org);
}

Fixed version (ground truth):
/** 
 * @return the organization id
 */
public String getOrgId(){
  String org=null;
  org=options.getProperty("String_Node_Str");
  if (org == null) {
    org=options.getProperty("String_Node_Str");
  }
  return trimedValue(org);
}
Program: 34391
Project: 34391
Buggy source:
/** 
 * @param msg MqttMessage
 * @param format an object of String which comtains format such as json
 * @throws UnsupportedEncodingException
 */
public Message(MqttMessage msg,String format) throws UnsupportedEncodingException {
  final String METHOD="String_Node_Str";
  this.payload=new String(msg.getPayload(),"String_Node_Str");
  if (format.equalsIgnoreCase("String_Node_Str")) {
    try {
      JsonObject payloadJson=JSON_PARSER.parse(payload).getAsJsonObject();
      if (payloadJson.has("String_Node_Str")) {
        data=payloadJson.get("String_Node_Str").getAsJsonObject().toString();
      }
 else {
        data=payloadJson.toString();
      }
      if (payloadJson.has("String_Node_Str")) {
        try {
          timestamp=DT_PARSER.parseDateTime(payloadJson.get("String_Node_Str").getAsString());
        }
 catch (        IllegalArgumentException e) {
          timestamp=DateTime.now();
        }
      }
 else {
        timestamp=DateTime.now();
      }
    }
 catch (    JsonSyntaxException e) {
      LoggerUtility.warn(CLASS_NAME,METHOD,"String_Node_Str");
    }
catch (    JsonParseException jpe) {
      LoggerUtility.warn(CLASS_NAME,METHOD,"String_Node_Str");
    }
  }
 else {
    data=this.payload;
    timestamp=DateTime.now();
  }
}

Fixed version (ground truth):
/** 
 * @param msg MqttMessage
 * @param format an object of String which contains format such as json
 * @throws UnsupportedEncodingException if encoding is other than UTF-8
 */
public Message(MqttMessage msg,String format) throws UnsupportedEncodingException {
  final String METHOD="String_Node_Str";
  this.payload=new String(msg.getPayload(),"String_Node_Str");
  if (format.equalsIgnoreCase("String_Node_Str")) {
    try {
      JsonObject payloadJson=JSON_PARSER.parse(payload).getAsJsonObject();
      if (payloadJson.has("String_Node_Str")) {
        data=payloadJson.get("String_Node_Str").getAsJsonObject().toString();
      }
 else {
        data=payloadJson.toString();
      }
      if (payloadJson.has("String_Node_Str")) {
        try {
          timestamp=DT_PARSER.parseDateTime(payloadJson.get("String_Node_Str").getAsString());
        }
 catch (        IllegalArgumentException e) {
          timestamp=DateTime.now();
        }
      }
 else {
        timestamp=DateTime.now();
      }
    }
 catch (    JsonSyntaxException e) {
      LoggerUtility.warn(CLASS_NAME,METHOD,"String_Node_Str");
    }
catch (    JsonParseException jpe) {
      LoggerUtility.warn(CLASS_NAME,METHOD,"String_Node_Str");
    }
  }
 else {
    data=this.payload;
    timestamp=DateTime.now();
  }
}
Program: 34392
Project: 34392
Buggy source:
/** 
 * Create the Paho MQTT Client that will underpin the Device client.
 * @param callback MqttCallback 
 * @see <a href="Paho Client Library">http://www.eclipse.org/paho/files/javadoc/index.html</a> 
 */
protected void createClient(MqttCallback callback){
  LoggerUtility.info(CLASS_NAME,"String_Node_Str","String_Node_Str" + getOrgId() + "String_Node_Str"+ clientId);
  this.mqttAsyncClient=null;
  this.mqttClientOptions=new MqttConnectOptions();
  this.mqttCallback=callback;
}

Fixed version (ground truth):
/** 
 * Create the Paho MQTT Client that will underpin the Device client.
 * @param callback MqttCallback 
 * @see <a href="http://www.eclipse.org/paho/files/javadoc/index.html">Paho Client Library</a> 
 */
protected void createClient(MqttCallback callback){
  LoggerUtility.info(CLASS_NAME,"String_Node_Str","String_Node_Str" + getOrgId() + "String_Node_Str"+ clientId);
  this.mqttAsyncClient=null;
  this.mqttClientOptions=new MqttConnectOptions();
  this.mqttCallback=callback;
}
Program: 34393
Project: 34393
Buggy source:
/** 
 * Accessor method to retrieve Authendication Method old style - auth-method new style - Authentication-Method
 */
public String getAuthMethod(){
  String method=options.getProperty("String_Node_Str");
  if (method == null) {
    method=options.getProperty("String_Node_Str");
  }
  return trimedValue(method);
}

Fixed version (ground truth):
/** 
 * Accessor method to retrieve Authendication Method old style - auth-method new style - Authentication-Method
 * @return The Authentication method
 */
public String getAuthMethod(){
  String method=options.getProperty("String_Node_Str");
  if (method == null) {
    method=options.getProperty("String_Node_Str");
  }
  return trimedValue(method);
}
Program: 34394
Project: 34394
Buggy source:
/** 
 * <p>Connects the application to IBM Watson IoT Platform and retries when there is an exception  based on the value set in retry parameter. </br> This method does not retry when the following exceptions occur.</p> <ul class="simple"> <li> MqttSecurityException - One or more credentials are wrong <li>UnKnownHostException - Host doesn't exist. For example, a wrong organization name is used to connect. </ul>
 * @param autoRetry - tells whether to retry the connection when the connection attempt fails.
 * @throws MqttSecurityException
 */
public void connect(boolean autoRetry) throws MqttException {
  if (autoRetry == false) {
    connect(0);
  }
 else {
    connect(Integer.MAX_VALUE);
  }
}

Fixed version (ground truth):
/** 
 * <p>Connects the application to IBM Watson IoT Platform and retries when there is an exception  based on the value set in retry parameter. <br> This method does not retry when the following exceptions occur.</p> <ul class="simple"> <li> MqttSecurityException - One or more credentials are wrong <li>UnKnownHostException - Host doesn't exist. For example, a wrong organization name is used to connect. </ul>
 * @param autoRetry - tells whether to retry the connection when the connection attempt fails.
 * @throws MqttException refer above
 */
public void connect(boolean autoRetry) throws MqttException {
  if (autoRetry == false) {
    connect(0);
  }
 else {
    connect(Integer.MAX_VALUE);
  }
}
Program: 34398
Project: 34398
Buggy source:
/** 
 * Note that this class does not have a default constructor
 * @param type Object of String which denotes command type
 * @param id Object of String which denotes command id
 * @param command Object of String which denotes actual command type
 * @param format Object of String which denotes command format, say json
 * @param msg MqttMessage
 * @see <a href="http://www.eclipse.org/paho/files/javadoc/index.html>Paho Client Library</a> 
 * @throws UnsupportedEncodingException When the encoding format id not UTF-8 
 */
public Command(String type,String id,String command,String format,MqttMessage msg) throws UnsupportedEncodingException {
  super(msg,format);
  this.type=type;
  this.id=id;
  this.command=command;
  this.format=format;
}

Fixed version (ground truth):
/** 
 * Note that this class does not have a default constructor
 * @param type Object of String which denotes command type
 * @param id Object of String which denotes command id
 * @param command Object of String which denotes actual command type
 * @param format Object of String which denotes command format, say json
 * @param msg MqttMessage
 * @see <a href="http://www.eclipse.org/paho/files/javadoc/index.html">Paho Client Library</a> 
 * @throws UnsupportedEncodingException When the encoding format id not UTF-8 
 */
public Command(String type,String id,String command,String format,MqttMessage msg) throws UnsupportedEncodingException {
  super(msg,format);
  this.type=type;
  this.id=id;
  this.command=command;
  this.format=format;
}
Program: 34399
Project: 34399
Buggy source:
/** 
 * This class does not have a default constructor and has a single argument constructor
 * @param msg
 * @throws UnsupportedEncodingException
 */
public Status(MqttMessage msg) throws UnsupportedEncodingException {
  this.payload=new String(msg.getPayload(),"String_Node_Str");
  JsonObject payloadJson=JSON_PARSER.parse(payload).getAsJsonObject();
  clientAddr=payloadJson.get("String_Node_Str").getAsString();
  protocol=payloadJson.get("String_Node_Str").getAsString();
  clientId=payloadJson.get("String_Node_Str").getAsString();
  user=payloadJson.get("String_Node_Str").getAsString();
  time=DT_PARSER.parseDateTime(payloadJson.get("String_Node_Str").getAsString());
  action=payloadJson.get("String_Node_Str").getAsString();
  connectTime=payloadJson.get("String_Node_Str").getAsString();
  port=payloadJson.get("String_Node_Str").getAsInt();
  if (action.equals("String_Node_Str")) {
    writeMsg=payloadJson.get("String_Node_Str").getAsInt();
    readMsg=payloadJson.get("String_Node_Str").getAsInt();
    readBytes=payloadJson.get("String_Node_Str").getAsInt();
    writeBytes=payloadJson.get("String_Node_Str").getAsInt();
    reason=payloadJson.get("String_Node_Str").getAsString();
  }
}

Fixed version (ground truth):
/** 
 * This class does not have a default constructor and has a single argument constructor
 * @param msg The MQTT message
 * @throws UnsupportedEncodingException Failure when the Format is not UTF-8
 */
public Status(MqttMessage msg) throws UnsupportedEncodingException {
  this.payload=new String(msg.getPayload(),"String_Node_Str");
  JsonObject payloadJson=JSON_PARSER.parse(payload).getAsJsonObject();
  clientAddr=payloadJson.get("String_Node_Str").getAsString();
  protocol=payloadJson.get("String_Node_Str").getAsString();
  clientId=payloadJson.get("String_Node_Str").getAsString();
  user=payloadJson.get("String_Node_Str").getAsString();
  time=DT_PARSER.parseDateTime(payloadJson.get("String_Node_Str").getAsString());
  action=payloadJson.get("String_Node_Str").getAsString();
  connectTime=payloadJson.get("String_Node_Str").getAsString();
  port=payloadJson.get("String_Node_Str").getAsInt();
  if (action.equals("String_Node_Str")) {
    writeMsg=payloadJson.get("String_Node_Str").getAsInt();
    readMsg=payloadJson.get("String_Node_Str").getAsInt();
    readBytes=payloadJson.get("String_Node_Str").getAsInt();
    writeBytes=payloadJson.get("String_Node_Str").getAsInt();
    reason=payloadJson.get("String_Node_Str").getAsString();
  }
}
Program: 34400
Project: 34400
Buggy source:
/** 
 * Note that this class does not have a default constructor <br> This class has only accessors and no mutators and later on might be made final <br>
 * @param command Actual command in the form of String passed
 * @param format Format is a String which can contain values such as "json"
 * @param msg MqttMessage 
 * @see <a href="Paho Client Library">http://www.eclipse.org/paho/files/javadoc/index.html</a> 
 * @throws UnsupportedEncodingException
 */
public Command(String command,String format,MqttMessage msg) throws UnsupportedEncodingException {
  super(msg);
  this.command=command;
  this.format=format;
}

Fixed version (ground truth):
/** 
 * Note that this class does not have a default constructor <br> This class has only accessors and no mutators and later on might be made final <br>
 * @param command Actual command in the form of String passed
 * @param format Format is a String which can contain values such as "json"
 * @param msg MqttMessage 
 * @see <a href="http://www.eclipse.org/paho/files/javadoc/index.html">Paho Client Library</a> 
 * @throws UnsupportedEncodingException
 */
public Command(String command,String format,MqttMessage msg) throws UnsupportedEncodingException {
  super(msg);
  this.command=command;
  this.format=format;
}
Program: 34401
Project: 34401
Buggy source:
/** 
 * Create a device client for the IBM Watson IoT Platform. <br> Connecting to a specific account on the IoTF.
 * @throws Exception 
 */
public DeviceClient(Properties options) throws Exception {
  super(options);
  LoggerUtility.fine(CLASS_NAME,"String_Node_Str","String_Node_Str" + options);
  this.clientId="String_Node_Str" + CLIENT_ID_DELIMITER + getOrgId()+ CLIENT_ID_DELIMITER+ getDeviceType()+ CLIENT_ID_DELIMITER+ getDeviceId();
  if (getAuthMethod() == null) {
    this.clientUsername=null;
    this.clientPassword=null;
  }
 else   if (!getAuthMethod().equals("String_Node_Str")) {
    throw new Exception("String_Node_Str" + getAuthMethod());
  }
 else {
    this.clientUsername="String_Node_Str";
    this.clientPassword=getAuthToken();
  }
  createClient(this.new MqttDeviceCallBack());
}

Fixed version (ground truth):
/** 
 * Create a device client for the IBM Watson IoT Platform. <br> Connecting to a specific account on the IoTF.
 * @throws Exception When there is a failure in parsing the properties passed 
 */
public DeviceClient(Properties options) throws Exception {
  super(options);
  LoggerUtility.fine(CLASS_NAME,"String_Node_Str","String_Node_Str" + options);
  this.clientId="String_Node_Str" + CLIENT_ID_DELIMITER + getOrgId()+ CLIENT_ID_DELIMITER+ getDeviceType()+ CLIENT_ID_DELIMITER+ getDeviceId();
  if (getAuthMethod() == null) {
    this.clientUsername=null;
    this.clientPassword=null;
  }
 else   if (!getAuthMethod().equals("String_Node_Str")) {
    throw new Exception("String_Node_Str" + getAuthMethod());
  }
 else {
    this.clientUsername="String_Node_Str";
    this.clientPassword=getAuthToken();
  }
  createClient(this.new MqttDeviceCallBack());
}
Program: 34402
Project: 34402
Buggy source:
/** 
 * <p>Connects the device to IBM Watson IoT Platform and retries when there is an exception  based on the value set in retry parameter. <br> This method does not retry when the following exceptions occur.</p> <ul class="simple"> <li> MqttSecurityException - One or more credentials are wrong <li>UnKnownHostException - Host doesn't exist. For example, a wrong organization name is used to connect. </ul>
 * @param numberOfRetryAttempts - How many number of times to retry when there is a failure in connecting to WatsonIoT Platform.
 * @throws MqttSecurityException
 */
@Override public void connect(int numberOfRetryAttempts) throws MqttException {
  super.connect(numberOfRetryAttempts);
  if (!getOrgId().equals("String_Node_Str")) {
    subscribeToCommands();
  }
}

Fixed version (ground truth):
/** 
 * <p>Connects the device to IBM Watson IoT Platform and retries when there is an exception  based on the value set in retry parameter. <br> This method does not retry when the following exceptions occur.</p> <ul class="simple"> <li> MqttSecurityException - One or more credentials are wrong <li>UnKnownHostException - Host doesn't exist. For example, a wrong organization name is used to connect. </ul>
 * @param numberOfRetryAttempts - How many number of times to retry when there is a failure in connecting to WatsonIoT Platform.
 * @throws MqttException see above
 */
@Override public void connect(int numberOfRetryAttempts) throws MqttException {
  super.connect(numberOfRetryAttempts);
  if (!getOrgId().equals("String_Node_Str")) {
    subscribeToCommands();
  }
}
Program: 34403
Project: 34403
Buggy source:
/** 
 * Note that this class does not have a default constructor
 * @param type Object of String which denotes command type
 * @param id Object of String which denotes command id
 * @param command Object of String which denotes actual command type
 * @param format Object of String which denotes command format, say json
 * @param msg MqttMessage
 * @see <a href="Paho Client Library">http://www.eclipse.org/paho/files/javadoc/index.html</a> 
 * @throws UnsupportedEncodingException 
 */
public Command(String type,String id,String command,String format,MqttMessage msg) throws UnsupportedEncodingException {
  super(msg,format);
  this.type=type;
  this.id=id;
  this.command=command;
  this.format=format;
}

Fixed version (ground truth):
/** 
 * Note that this class does not have a default constructor
 * @param type Object of String which denotes command type
 * @param id Object of String which denotes command id
 * @param command Object of String which denotes actual command type
 * @param format Object of String which denotes command format, say json
 * @param msg MqttMessage
 * @see <a href="http://www.eclipse.org/paho/files/javadoc/index.html">Paho Client Library</a> 
 * @throws UnsupportedEncodingException 
 */
public Command(String type,String id,String command,String format,MqttMessage msg) throws UnsupportedEncodingException {
  super(msg,format);
  this.type=type;
  this.id=id;
  this.command=command;
  this.format=format;
}
Program: 34404
Project: 34404
Buggy source:
/** 
 * <p> If a gateways subscribes to a topic of a device or sends data on behalf of a device  where the gateway does not have permission for, the message or the subscription is being ignored.  This behavior is different compared to applications where the connection will be terminated.  The Gateway will be notified on the notification topic:.<</p> <ul class="simple"> <li>iot-2/type/+/id/+/notify </ul>
 */
public void processNotification(Notification notification);

Fixed version (ground truth):
/** 
 * <p> If a gateways subscribes to a topic of a device or sends data on behalf of a device  where the gateway does not have permission for, the message or the subscription is being ignored.  This behavior is different compared to applications where the connection will be terminated.  The Gateway will be notified on the notification topic:.</p> <ul class="simple"> <li>iot-2/type/+/id/+/notify </ul>
 * @param notification Notification from the Watson IoT Platform that needs to be processed.
 */
public void processNotification(Notification notification);
Program: 34405
Project: 34405
Buggy source:
/** 
 * This constructor allows external user to pass the existing MqttClient 
 * @param mqttClient
 */
protected GatewayClient(MqttClient mqttClient){
  super(mqttClient);
}

Fixed version (ground truth):
/** 
 * This constructor allows external user to pass the existing MqttClient 
 * @param mqttClient MqttClient with the Watson IoT Platform connectivity details
 */
protected GatewayClient(MqttClient mqttClient){
  super(mqttClient);
}
Program: 34406
Project: 34406
Buggy source:
/** 
 * <p>Connects the Gateway to IBM Watson Internet of Things Platform.  After the successful connection to the IBM Watson IoT Platform,  the Gateway client can perform the following operations,</p> <ul class="simple"> <li>Publish events for itself and on behalf of devices connected behind the Gateway. <li>Subscribe to commands for itself and on behalf of devices behind the Gateway. </ul> </p> <p>The GatewayClient retries when there is a connect exception based on the  value set in retry parameter. <br> This method does not retry when the following exceptions occur.</p> <ul class="simple"> <li> MqttSecurityException - One or more credentials are wrong <li>UnKnownHostException - Host doesn't exist. For example, a wrong organization name is used to connect. </ul>
 * @param numberOfRetryAttempts - How many number of times to retry when there is a failure in connecting to WatsonIoT Platform.
 * @throws MqttSecurityException
 */
@Override public void connect(int numberOfRetryAttempts) throws MqttException {
  super.connect(numberOfRetryAttempts);
  subscribeToGatewayCommands();
}

Fixed version (ground truth):
/** 
 * <p>Connects the Gateway to IBM Watson Internet of Things Platform.  After the successful connection to the IBM Watson IoT Platform,  the Gateway client can perform the following operations,</p> <ul class="simple"> <li>Publish events for itself and on behalf of devices connected behind the Gateway. <li>Subscribe to commands for itself and on behalf of devices behind the Gateway. </ul> </p> <p>The GatewayClient retries when there is a connect exception based on the  value set in retry parameter. <br> This method does not retry when the following exceptions occur.</p> <ul class="simple"> <li> MqttSecurityException - One or more credentials are wrong <li>UnKnownHostException - Host doesn't exist. For example, a wrong organization name is used to connect. </ul>
 * @param numberOfRetryAttempts - How many number of times to retry when there is a failure in connecting to WatsonIoT Platform.
 * @throws MqttException see above
 */
@Override public void connect(int numberOfRetryAttempts) throws MqttException {
  super.connect(numberOfRetryAttempts);
  subscribeToGatewayCommands();
}
Program: 34407
Project: 34407
Buggy source:
/** 
 * Note that this class does not have a default constructor
 * @param type Object of String which denotes command type
 * @param id Object of String which denotes command id
 * @param msg Object of MqttMessage which denotes actual message
 * @throws UnsupportedEncodingException 
 */
public Notification(String type,String id,MqttMessage msg) throws UnsupportedEncodingException {
  this.type=type;
  this.id=id;
  this.message=msg;
}

Fixed version (ground truth):
/** 
 * Note that this class does not have a default constructor
 * @param type Object of String which denotes command type
 * @param id Object of String which denotes command id
 * @param msg Object of MqttMessage which denotes actual message
 * @throws UnsupportedEncodingException When the format is not UTF-8 
 */
public Notification(String type,String id,MqttMessage msg) throws UnsupportedEncodingException {
  this.type=type;
  this.id=id;
  this.message=msg;
}
Program: 34408
Project: 34408
Buggy source:
/** 
 * Returns the DeviceFirmware object 
 */
public DeviceFirmware getDeviceFirmware(){
  if (mgmt != null) {
    return mgmt.getDeviceFirmware();
  }
  return null;
}

Fixed version (ground truth):
/** 
 * Returns the DeviceFirmware object
 * @return  DeviceFirmware returns the device firmware object
 */
public DeviceFirmware getDeviceFirmware(){
  if (mgmt != null) {
    return mgmt.getDeviceFirmware();
  }
  return null;
}
Program: 34409
Project: 34409
Buggy source:
/** 
 * Returns the Device type
 */
public String getTypeId(){
  return typeId;
}

Fixed version (ground truth):
/** 
 * Returns the Device type
 * @return returns the typeID
 */
public String getTypeId(){
  return typeId;
}
Program: 34410
Project: 34410
Buggy source:
/** 
 * Return the DeviceLocation object
 */
public DeviceLocation getDeviceLocation(){
  return deviceLocation;
}

Fixed version (ground truth):
/** 
 * Return the DeviceLocation object
 * @return DeviceLocation returns location of the device
 */
public DeviceLocation getDeviceLocation(){
  return deviceLocation;
}
Program: 34411
Project: 34411
Buggy source:
/** 
 * Returns the Device ID
 */
public String getDeviceId(){
  return deviceId;
}

Fixed version (ground truth):
/** 
 * Returns the Device ID
 * @return returns the device ID
 */
public String getDeviceId(){
  return deviceId;
}
Program: 34412
Project: 34412
Buggy source:
/** 
 * Returns the DeviceInfo object
 */
public DeviceInfo getDeviceInfo(){
  return deviceInfo;
}

Fixed version (ground truth):
/** 
 * Returns the DeviceInfo object
 * @return DeviceInfo returns the deviceinfo object
 */
public DeviceInfo getDeviceInfo(){
  return deviceInfo;
}
Program: 34413
Project: 34413
Buggy source:
/** 
 * Returns the name of the firmware
 */
public String getName(){
  if (this.name != null) {
    return this.name.getValue();
  }
 else {
    return null;
  }
}

Fixed version (ground truth):
/** 
 * Returns the name of the firmware
 * @return returns the name of the firmware
 */
public String getName(){
  if (this.name != null) {
    return this.name.getValue();
  }
 else {
    return null;
  }
}
Program: 34414
Project: 34414
Buggy source:
/** 
 * Update the Firmware object with new values
 * @param firmware
 * @param fireEvent - whether to fire an update event of not
 * @return code indicating whether the update is successful or not (200 means success, otherwise unsuccessful)
 */
public int update(JsonElement firmware,boolean fireEvent){
  JsonObject json=(JsonObject)firmware;
  Iterator<Map.Entry<String,JsonElement>> iter=json.entrySet().iterator();
  while (iter.hasNext()) {
    Entry<String,JsonElement> e=iter.next();
    Resource child=this.getChild(e.getKey());
    if (child != null) {
      child.update(e.getValue(),fireEvent);
    }
 else {
switch (e.getKey()) {
case VERSION:
        this.setVersion(e.getValue().getAsString(),fireEvent);
      break;
case NAME:
    this.setName(e.getValue().getAsString(),fireEvent);
  break;
case URL:
this.setUrl(e.getValue().getAsString(),fireEvent);
break;
case VERIFIER:
this.setVerifier(e.getValue().getAsString(),fireEvent);
break;
}
}
}
fireEvent(fireEvent);
return this.getRC();
}

Fixed version (ground truth):
/** 
 * Update the Firmware object with new values
 * @param firmware The device firmware object to be updated
 * @param fireEvent - whether to fire an update event of not
 * @return code indicating whether the update is successful or not (200 means success, otherwise unsuccessful)
 */
public int update(JsonElement firmware,boolean fireEvent){
  JsonObject json=(JsonObject)firmware;
  Iterator<Map.Entry<String,JsonElement>> iter=json.entrySet().iterator();
  while (iter.hasNext()) {
    Entry<String,JsonElement> e=iter.next();
    Resource child=this.getChild(e.getKey());
    if (child != null) {
      child.update(e.getValue(),fireEvent);
    }
 else {
switch (e.getKey()) {
case VERSION:
        this.setVersion(e.getValue().getAsString(),fireEvent);
      break;
case NAME:
    this.setName(e.getValue().getAsString(),fireEvent);
  break;
case URL:
this.setUrl(e.getValue().getAsString(),fireEvent);
break;
case VERIFIER:
this.setVerifier(e.getValue().getAsString(),fireEvent);
break;
}
}
}
fireEvent(fireEvent);
return this.getRC();
}
Program: 34415
Project: 34415
Buggy source:
/** 
 * Returns the firmware URL
 */
public String getUrl(){
  if (this.url != null) {
    return url.getValue();
  }
 else {
    return null;
  }
}

Fixed version (ground truth):
/** 
 * Returns the firmware URL
 * @return String the Firmware URL
 */
public String getUrl(){
  if (this.url != null) {
    return url.getValue();
  }
 else {
    return null;
  }
}
Program: 34416
Project: 34416
Buggy source:
/** 
 * Returns the Firmware Update status
 */
public int getUpdateStatus(){
  return this.updateStatus.getValue().intValue();
}

Fixed version (ground truth):
/** 
 * Returns the Firmware Update status
 * @return Returns the Firmware Update status.
 */
public int getUpdateStatus(){
  return this.updateStatus.getValue().intValue();
}
Program: 34417
Project: 34417
Buggy source:
/** 
 * Returns the firmware state
 */
public int getState(){
  return this.state.getValue().intValue();
}

Fixed version (ground truth):
/** 
 * Returns the firmware state
 * @return returns the state of the Firmware
 */
public int getState(){
  return this.state.getValue().intValue();
}
Program: 34418
Project: 34418
Buggy source:
/** 
 * Returns the firmware Verifier
 */
public String getVerifier(){
  if (this.verifier != null) {
    return verifier.getValue();
  }
 else {
    return null;
  }
}

Fixed version (ground truth):
/** 
 * Returns the firmware Verifier
 * @return String returns the Firmware verifier or null
 */
public String getVerifier(){
  if (this.verifier != null) {
    return verifier.getValue();
  }
 else {
    return null;
  }
}
Program: 34419
Project: 34419
Buggy source:
/** 
 * Updates each of the resources with the new value
 * @param fromLocation
 * @param fireEvent - boolean to indicate whether to fire the update event.
 * @return code indicating whether the update is successful or not (200 means success, otherwise unsuccessful)
 */
public int update(JsonElement fromLocation,boolean fireEvent){
  JsonObject json=(JsonObject)fromLocation;
  Iterator<Map.Entry<String,JsonElement>> iter=json.entrySet().iterator();
  while (iter.hasNext()) {
    Entry<String,JsonElement> e=iter.next();
    Resource child=this.getChild(e.getKey());
    if (child != null) {
      child.update(e.getValue(),fireEvent);
    }
 else {
switch (e.getKey()) {
case DeviceLocation.LATITUDE:
        this.latitude=new NumberResource(LATITUDE,e.getValue().getAsNumber());
      this.add(this.latitude);
    break;
case DeviceLocation.LONGITUDE:
  this.longitude=new NumberResource(LONGITUDE,e.getValue().getAsNumber());
this.add(this.longitude);
break;
case DeviceLocation.ELEVATION:
this.elevation=new NumberResource(ELEVATION,e.getValue().getAsNumber());
this.add(this.elevation);
break;
case DeviceLocation.MEASUREDDATETIME:
this.measuredDateTime=new DateResource(ACCURACY,new Date(e.getValue().getAsString()));
this.add(this.measuredDateTime);
break;
case DeviceLocation.ACCURACY:
this.accuracy=new NumberResource(ACCURACY,e.getValue().getAsNumber());
this.add(this.accuracy);
break;
}
}
}
fireEvent(true);
return this.getRC();
}

Fixed version (ground truth):
/** 
 * Updates each of the resources with the new value
 * @param fromLocation The location that needs to be updated
 * @param fireEvent - boolean to indicate whether to fire the update event.
 * @return code indicating whether the update is successful or not (200 means success, otherwise unsuccessful)
 */
public int update(JsonElement fromLocation,boolean fireEvent){
  JsonObject json=(JsonObject)fromLocation;
  Iterator<Map.Entry<String,JsonElement>> iter=json.entrySet().iterator();
  while (iter.hasNext()) {
    Entry<String,JsonElement> e=iter.next();
    Resource child=this.getChild(e.getKey());
    if (child != null) {
      child.update(e.getValue(),fireEvent);
    }
 else {
switch (e.getKey()) {
case DeviceLocation.LATITUDE:
        this.latitude=new NumberResource(LATITUDE,e.getValue().getAsNumber());
      this.add(this.latitude);
    break;
case DeviceLocation.LONGITUDE:
  this.longitude=new NumberResource(LONGITUDE,e.getValue().getAsNumber());
this.add(this.longitude);
break;
case DeviceLocation.ELEVATION:
this.elevation=new NumberResource(ELEVATION,e.getValue().getAsNumber());
this.add(this.elevation);
break;
case DeviceLocation.MEASUREDDATETIME:
this.measuredDateTime=new DateResource(ACCURACY,new Date(e.getValue().getAsString()));
this.add(this.measuredDateTime);
break;
case DeviceLocation.ACCURACY:
this.accuracy=new NumberResource(ACCURACY,e.getValue().getAsNumber());
this.add(this.accuracy);
break;
}
}
}
fireEvent(true);
return this.getRC();
}
Program: 34420
Project: 34420
Buggy source:
/** 
 * <p>A sample firmware update method that pretends to install the arduino.hex sketch to Arduino Uno.</p> This method adds a diagnostic log containing the progress to the IoT Platform.
 */
@Override public void updateFirmware(DeviceFirmware deviceFirmware){
  System.out.println(CLASS_NAME + "String_Node_Str" + deviceFirmware.getDeviceId());
  updateInProgress=true;
  ManagedGateway gateway=((ManagedGateway)this.gwClient);
  Date timestamp=new Date();
  String message="String_Node_Str";
  LogSeverity severity=LogSeverity.informational;
  gateway.addDeviceLog(this.deviceType,this.deviceId,message,timestamp,severity);
  for (int i=1; i < 21; i++) {
    try {
      Thread.sleep(200);
    }
 catch (    Exception e) {
    }
    gateway.addDeviceLog(this.deviceType,this.deviceId,"String_Node_Str" + (i * 5),new Date(),severity);
    System.out.println("String_Node_Str" + (i * 5));
  }
  message="String_Node_Str";
  gateway.addDeviceLog(this.deviceType,this.deviceId,message,new Date(),severity);
  System.out.println("String_Node_Str");
  deviceFirmware.setUpdateStatus(FirmwareUpdateStatus.SUCCESS);
  deviceFirmware.setState(FirmwareState.IDLE);
  GatewayFirmwareHandlerSample.deleteFile(downloadedFirmwareName);
  this.downloadedFirmwareName=null;
  System.out.println(CLASS_NAME + "String_Node_Str");
  firmwareUpdated=true;
  updateInProgress=false;
}

Fixed version (ground truth):
/** 
 * <p>A sample firmware update method that pretends to install the arduino.hex sketch to Arduino Uno.</p> This method adds a diagnostic log containing the progress to the IoT Platform.
 */
@Override public void updateFirmware(DeviceFirmware deviceFirmware){
  System.out.println(CLASS_NAME + "String_Node_Str" + deviceFirmware.getDeviceId());
  updateInProgress=true;
  ManagedGateway gateway=((ManagedGateway)this.gwClient);
  Date timestamp=new Date();
  String message="String_Node_Str";
  LogSeverity severity=LogSeverity.informational;
  gateway.addDeviceLog(this.deviceType,this.deviceId,message,timestamp,severity);
  System.out.println("String_Node_Str");
  for (int i=1; i < 21; i++) {
    try {
      Thread.sleep(200);
    }
 catch (    Exception e) {
    }
    gateway.addDeviceLog(this.deviceType,this.deviceId,"String_Node_Str" + (i * 5),new Date(),severity);
    System.out.print("String_Node_Str" + (i * 5) + "String_Node_Str");
  }
  message="String_Node_Str";
  gateway.addDeviceLog(this.deviceType,this.deviceId,message,new Date(),severity);
  System.out.println("String_Node_Str");
  deviceFirmware.setUpdateStatus(FirmwareUpdateStatus.SUCCESS);
  deviceFirmware.setState(FirmwareState.IDLE);
  GatewayFirmwareHandlerSample.deleteFile(downloadedFirmwareName);
  this.downloadedFirmwareName=null;
  System.out.println(CLASS_NAME + "String_Node_Str");
  firmwareUpdated=true;
  updateInProgress=false;
}
Program: 34421
Project: 34421
Buggy source:
/** 
 * Add a device under the given gateway using the Java Client Library.
 * @throws IoTFCReSTException
 */
private void addDevice(String deviceId) throws IoTFCReSTException {
  try {
    String deviceToBeAdded="String_Node_Str" + deviceId + "String_Node_Str";
    JsonParser parser=new JsonParser();
    JsonElement input=parser.parse(deviceToBeAdded);
    JsonObject response=this.gwClient.api().registerDeviceUnderGateway(DEVICE_TYPE,this.gwDeviceId,this.gwDeviceType,input);
    System.out.println(response);
  }
 catch (  IoTFCReSTException e) {
    System.out.println("String_Node_Str" + e.getHttpCode() + "String_Node_Str"+ e.getMessage());
    System.out.println(e.getResponse());
  }
}

Fixed version (ground truth):
/** 
 * Add a device under the given gateway using the Java Client Library.
 * @throws IoTFCReSTException
 */
private void addDevice(String deviceType,String deviceId) throws IoTFCReSTException {
  try {
    String deviceToBeAdded="String_Node_Str" + deviceId + "String_Node_Str";
    JsonParser parser=new JsonParser();
    JsonElement input=parser.parse(deviceToBeAdded);
    JsonObject response=this.gwClient.api().registerDeviceUnderGateway(deviceType,this.gwDeviceId,this.gwDeviceType,input);
    System.out.println(response);
  }
 catch (  IoTFCReSTException e) {
    System.out.println("String_Node_Str" + e.getHttpCode() + "String_Node_Str"+ e.getMessage());
    System.out.println(e.getResponse());
  }
}
Program: 34422
Project: 34422
Buggy source:
public static void main(String[] args) throws IoTFCReSTException {
  SampleRasPiGateway sample=new SampleRasPiGateway();
  String fileName=Utility.getDefaultFilePath(PROPERTIES_FILE_NAME,DEFAULT_PATH);
  sample.createGatewayClient(fileName);
  sample.addDeviceType();
  sample.addDevice(ARDUINO_DEVICE_ID);
  sample.addCommandCallback();
  System.out.println("String_Node_Str");
  while (true) {
    sample.publishGatewayEvent();
    try {
      Thread.sleep(1000);
    }
 catch (    InterruptedException ie) {
    }
  }
}

Fixed version (ground truth):
public static void main(String[] args) throws IoTFCReSTException {
  SampleRasPiGateway sample=new SampleRasPiGateway();
  String fileName=Utility.getDefaultFilePath(PROPERTIES_FILE_NAME,DEFAULT_PATH);
  sample.createGatewayClient(fileName);
  sample.addDeviceType();
  sample.addDevice(DEVICE_TYPE,ARDUINO_DEVICE_ID);
  sample.addCommandCallback();
  System.out.println("String_Node_Str");
  while (true) {
    sample.publishGatewayEvent();
    try {
      Thread.sleep(1000);
    }
 catch (    InterruptedException ie) {
    }
  }
}
Program: 34423
Project: 34423
Buggy source:
/** 
 * Add a device under the given gateway using the Java Client Library.
 * @throws IoTFCReSTException
 */
private void addDevice(String deviceId) throws IoTFCReSTException {
  try {
    String deviceToBeAdded="String_Node_Str" + deviceId + "String_Node_Str";
    System.out.println(deviceToBeAdded);
    JsonParser parser=new JsonParser();
    JsonElement input=parser.parse(deviceToBeAdded);
    JsonObject response=this.gwClient.api().registerDeviceUnderGateway(DEVICE_TYPE,this.gwDeviceId,this.gwDeviceType,input);
    System.out.println(response);
  }
 catch (  IoTFCReSTException e) {
    System.out.println("String_Node_Str" + e.getHttpCode() + "String_Node_Str"+ e.getMessage());
    System.out.println(e.getResponse());
  }
}

Fixed version (ground truth):
/** 
 * Add a device under the given gateway using the Java Client Library.
 * @throws IoTFCReSTException
 */
private void addDevice(String deviceType,String deviceId) throws IoTFCReSTException {
  try {
    String deviceToBeAdded="String_Node_Str" + deviceId + "String_Node_Str";
    System.out.println(deviceToBeAdded);
    JsonParser parser=new JsonParser();
    JsonElement input=parser.parse(deviceToBeAdded);
    JsonObject response=this.gwClient.api().registerDeviceUnderGateway(deviceType,this.gwDeviceId,this.gwDeviceType,input);
    System.out.println(response);
  }
 catch (  IoTFCReSTException e) {
    System.out.println("String_Node_Str" + e.getHttpCode() + "String_Node_Str"+ e.getMessage());
    System.out.println(e.getResponse());
  }
}
Program: 34424
Project: 34424
Buggy source:
public static void main(String[] args) throws IoTFCReSTException {
  SimpleGatewayExample sample=new SimpleGatewayExample();
  String fileName=Utility.getDefaultFilePath(PROPERTIES_FILE_NAME,DEFAULT_PATH);
  sample.createGatewayClient(fileName);
  sample.addDeviceType();
  sample.addDevice(SIMULATOR_DEVICE_ID);
  System.out.println("String_Node_Str");
  while (true) {
    sample.publishGatewayEvent();
    sample.publishDeviceEvent();
    try {
      Thread.sleep(1000);
    }
 catch (    InterruptedException ie) {
    }
  }
}

Fixed version (ground truth):
public static void main(String[] args) throws IoTFCReSTException {
  SimpleGatewayExample sample=new SimpleGatewayExample();
  String fileName=Utility.getDefaultFilePath(PROPERTIES_FILE_NAME,DEFAULT_PATH);
  sample.createGatewayClient(fileName);
  sample.addDeviceType();
  sample.addDevice(DEVICE_TYPE,SIMULATOR_DEVICE_ID);
  System.out.println("String_Node_Str");
  while (true) {
    sample.publishGatewayEvent();
    sample.publishDeviceEvent();
    try {
      Thread.sleep(1000);
    }
 catch (    InterruptedException ie) {
    }
  }
}
Program: 34426
Project: 34426
Buggy source:
/** 
 * This method adds a Firmware handler where the device agent will get notified when there is a firmware action from the server. 
 */
private void addFirmwareHandler() throws Exception {
  if (this.mgdGateway != null) {
    GatewayFirmwareHandlerSample fwHandler=new GatewayFirmwareHandlerSample();
    fwHandler.addDeviceInterface(ARDUINO_DEVICE_ID,arduino);
    fwHandler.setGatewayDeviceId(this.mgdGateway.getGWDeviceId());
    mgdGateway.addFirmwareHandler(fwHandler);
    System.out.println("String_Node_Str");
  }
}

Fixed version (ground truth):
/** 
 * This method adds a Firmware handler where the device agent will get notified when there is a firmware action from the server. 
 */
private void addFirmwareHandler() throws Exception {
  if (this.mgdGateway != null) {
    GatewayFirmwareHandlerSample fwHandler=new GatewayFirmwareHandlerSample();
    fwHandler.addDeviceInterface(ARDUINO_DEVICE_ID,arduino);
    fwHandler.setGateway(this.mgdGateway);
    mgdGateway.addFirmwareHandler(fwHandler);
    System.out.println("String_Node_Str");
  }
}
Program: 34427
Project: 34427
Buggy source:
public static void main(String[] args) throws Exception {
  System.out.println("String_Node_Str");
  String fileName=Utility.getDefaultFilePath(PROPERTIES_FILE_NAME,DEFAULT_PATH);
  ManagedRasPiGateway sample=new ManagedRasPiGateway();
  try {
    sample.createManagedClient(fileName);
    sample.createArduinoDeviceInterface();
    sample.addDeviceType();
    sample.addDevice(ARDUINO_DEVICE_ID);
    sample.addDeviceActionHandler();
    sample.addFirmwareHandler();
    sample.addCommandCallback();
    sample.arduino.toggleDisplay();
    sample.userAction();
  }
 catch (  Exception e) {
    System.out.println(e.getMessage());
    e.printStackTrace();
    System.err.flush();
  }
 finally {
    sample.disconnect();
  }
  System.out.println("String_Node_Str");
}

Fixed version (ground truth):
public static void main(String[] args) throws Exception {
  System.out.println("String_Node_Str");
  String fileName=Utility.getDefaultFilePath(PROPERTIES_FILE_NAME,DEFAULT_PATH);
  ManagedRasPiGateway sample=new ManagedRasPiGateway();
  try {
    sample.createManagedClient(fileName);
    sample.createArduinoDeviceInterface();
    sample.addDeviceType();
    sample.addDevice(DEVICE_TYPE,ARDUINO_DEVICE_ID);
    sample.addDeviceActionHandler();
    sample.addFirmwareHandler();
    sample.addCommandCallback();
    sample.arduino.toggleDisplay();
    sample.userAction();
  }
 catch (  Exception e) {
    System.out.println(e.getMessage());
    e.printStackTrace();
    System.err.flush();
  }
 finally {
    sample.disconnect();
  }
  System.out.println("String_Node_Str");
}