/**
* Parses the given list of XML messages into a list of MQTT message objects.
*
* @param messages The list of XML messages
* @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 (LoggedMqttMessage)
* @throws MqttSpyException Thrown when cannot process the given list
*/
public static List<LoggedMqttMessage> parseMessageLog(
final List<String> messages,
final ProgressUpdater progress,
final long current,
final long max)
throws MqttSpyException {
try {
final MessageLogParser parser = new MessageLogParser();
final List<LoggedMqttMessage> list = new ArrayList<LoggedMqttMessage>();
long item = 0;
for (final String message : messages) {
if (progress != null) {
item++;
// Update every 1000
if (item % 1000 == 0) {
progress.update(current + item, max);
}
}
try {
list.add(parser.parse(message));
} catch (XMLException e) {
logger.error("Can't process message " + message, e);
}
}
logger.info("Message log - parsed {} XML messages", list.size());
return list;
} catch (XMLException e) {
throw new MqttSpyException("Can't parse the message log file", e);
}
}
/**
* 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;
}