/**
* Create an {@link IStatus} from the given event
*
* @param event the logging event
* @param multi if a {@link CustomMultiStatus} shall be created
* @param hasParent if the status has a parent
* @return the {@link IStatus} or <code>null</code>
*/
private IStatus createStatus(LoggingEvent event, boolean multi, boolean hasParent) {
// pluginId
String pluginId = ALoggerUtil.getBundleName(event.getMarker());
if (pluginId == null) {
// default to logger name
String name = event.getLoggerName();
if (name != null) {
pluginId = "[" + name + "]";
}
if (pluginId == null) {
pluginId = "#unknown";
}
}
// throwable
Throwable throwable;
if (event.getThrowableProxy() != null && event.getThrowableProxy() instanceof ThrowableProxy) {
throwable = ((ThrowableProxy) event.getThrowableProxy()).getThrowable();
} else {
throwable = null;
}
String message = event.getFormattedMessage();
if (hasParent) {
// include time in message
// (as it gets lost in MultiStatus)
Date date = new Date(event.getTimeStamp());
message = "[" + TIME_FORMAT.format(date) + "] " + message;
}
// create status object
IStatus status;
if (multi) {
status = new CustomMultiStatus(pluginId, IStatus.OK, message, throwable);
} else {
// severity
Level level = event.getLevel();
if (!level.isGreaterOrEqual(Level.INFO)) {
return null;
}
int severity;
if (level == Level.INFO) {
severity = IStatus.INFO;
} else if (level == Level.WARN) {
severity = IStatus.WARNING;
} else {
// default to error
severity = IStatus.ERROR;
}
status = new Status(severity, pluginId, message, throwable);
}
return status;
}
@SuppressWarnings("unchecked")
private static void writeEvent(LoggingEvent evt, Appender appender) {
if (null == evt) {
return;
}
if (null != appender) {
appender.doAppend(evt);
} else {
System.out.println(evt.getFormattedMessage());
}
}
@SuppressWarnings("unchecked")
public static void main(String... args) throws ParseException, JoranException, IOException {
Parser parser = new BasicParser();
CommandLine cl = null;
try {
cl = parser.parse(OPTS, args);
} catch (ParseException e) {
HelpFormatter help = new HelpFormatter();
help.printHelp("dlog", OPTS, true);
System.exit(-1);
}
LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
loggerContext.reset();
if (cl.hasOption("config")) {
// Read Logback configuration
JoranConfigurator configurator = new JoranConfigurator();
configurator.setContext(loggerContext);
configurator.doConfigure(cl.getOptionValue("file", "logback.xml"));
StatusPrinter.printInCaseOfErrorsOrWarnings(loggerContext);
} else {
BasicConfigurator.configure(loggerContext);
}
Appender appender = null;
if (cl.hasOption("output")) {
String outputAppender = cl.getOptionValue("output", "console");
appender = loggerContext.getLogger(Logger.ROOT_LOGGER_NAME).getAppender(outputAppender);
}
ChronicleTools.warmup();
Chronicle chronicle = new IndexedChronicle(cl.getOptionValue("path"), ChronicleConfig.DEFAULT);
ExcerptTailer ex = chronicle.createTailer();
Level level = Level.valueOf(cl.getOptionValue("level", "TRACE"));
if (cl.hasOption("head")) {
int lines = Integer.parseInt(cl.getOptionValue("head", "10"));
for (int i = 0; i < lines; i++) {
LoggingEvent evt = readLoggingEvent(ex, loggerContext);
if (evt.getLevel().isGreaterOrEqual(level)) {
writeEvent(evt, appender);
}
}
} else if (cl.hasOption("tail")) {
int lines = Integer.parseInt(cl.getOptionValue("tail", "10"));
Queue<LoggingEvent> tail = new LinkedBlockingQueue<LoggingEvent>(lines);
while (ex.nextIndex()) {
LoggingEvent evt = readLoggingEvent(ex, loggerContext);
if (!tail.offer(evt)) {
tail.poll();
tail.add(evt);
}
}
LoggingEvent evt;
while (null != (evt = tail.poll())) {
if (evt.getLevel().isGreaterOrEqual(level)) {
writeEvent(evt, appender);
}
}
} else if (cl.hasOption("search")) {
String regex = cl.getOptionValue("search");
Pattern regexPatt = Pattern.compile(regex);
while (ex.nextIndex()) {
LoggingEvent evt = readLoggingEvent(ex, loggerContext);
if (null != evt && evt.getLevel().isGreaterOrEqual(level)) {
if (regexPatt.matcher(evt.getFormattedMessage()).matches()) {
writeEvent(evt, appender);
}
}
}
}
loggerContext.stop();
chronicle.close();
}