/**
* Converts the given text using the supplied method.
*
* @param method The method to use for conversion
* @param text The text to be converted
* @return The converted text
*/
public static String convertText(final ConversionMethod method, final String text) {
switch (method) {
case PLAIN:
{
return text;
}
case HEX_ENCODE:
{
return ConversionUtils.stringToHex(text);
}
case HEX_DECODE:
{
return ConversionUtils.hexToStringNoException(text);
}
case BASE_64_ENCODE:
{
return ConversionUtils.stringToBase64(text);
}
case BASE_64_DECODE:
{
return ConversionUtils.base64ToString(text);
}
default:
return text;
}
}
/**
* Turns the given list of LoggedMqttMessages into ReceivedMqttMessages.
*
* @param list List of logged messages to progress
* @param progress The progress updater to call with updated progress
* @param current Current progress
* @param max Maximum progress value
* @return List of MQTT message objects (ReceivedMqttMessage)
*/
public static List<BaseMqttMessage> processMessageLog(
final List<LoggedMqttMessage> list,
final ProgressUpdater progress,
final long current,
final long max) {
final List<BaseMqttMessage> mqttMessageList = new ArrayList<BaseMqttMessage>();
long item = 0;
// Process the messages
for (final LoggedMqttMessage loggedMessage : list) {
if (progress != null) {
item++;
if (item % 1000 == 0) {
progress.update(current + item, max);
}
}
final MqttMessage mqttMessage = new MqttMessage();
if (logger.isTraceEnabled()) {
logger.trace("Processing message with payload {}", loggedMessage.getValue());
}
if (Boolean.TRUE.equals(loggedMessage.isEncoded())) {
mqttMessage.setPayload(Base64.decodeBase64(loggedMessage.getValue()));
} else {
mqttMessage.setPayload(ConversionUtils.stringToArray(loggedMessage.getValue()));
}
mqttMessage.setQos(loggedMessage.getQos() == null ? 0 : loggedMessage.getQos());
mqttMessage.setRetained(
loggedMessage.isRetained() == null ? false : loggedMessage.isRetained());
mqttMessageList.add(
new BaseMqttMessage(
loggedMessage.getId(),
loggedMessage.getTopic(),
mqttMessage,
new Date(loggedMessage.getTimestamp())));
}
logger.info("Message log - processed {} MQTT messages", list.size());
return mqttMessageList;
}