/**
* Initialize log level overrides from debug options.
*
* <p>This may only be called during bootstrapping before any custom overrides are set. Your
* milage may vary if called while the application is running.
*
* @throws Exception
*/
void initializeLogLevelOverrides() throws Exception {
// reset current overrides
overriddenLogLevels.clear();
// add a note to the status manager
final LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
final StatusManager sm = lc.getStatusManager();
if (sm != null) {
sm.add(new InfoStatus("Initializing log level overrides.", this));
}
// apply new overrides
try {
final Map<String, String> options =
BootActivator.getInstance().getService(DebugOptions.class).getOptions();
for (final Entry<String, String> e : options.entrySet()) {
final String loggerName = getLoggerNameForDebugOption(e.getKey());
if (loggerName != null) {
if ((null != e.getValue()) && !"false".equalsIgnoreCase(e.getValue())) {
setLogLevelOverride(loggerName, "DEBUG");
}
}
}
} catch (final ServiceNotAvailableException e) {
// no debug options available (ignore)
}
}
public void addStatus(Status status) {
if (context == null) {
if (noContextWarning++ == 0) {
System.out.println("LOGBACK: No context given for " + this);
}
return;
}
StatusManager sm = context.getStatusManager();
if (sm != null) {
sm.add(status);
}
}
void setLogLevelOverride(final String loggerName, final String level) throws Exception {
// get logger
final LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
final StatusManager sm = lc.getStatusManager();
final Logger logger = lc.getLogger(loggerName);
// get levels
final Level currentLevel = logger.getLevel();
final Level newLevel = Level.toLevel(level, null);
if (newLevel == null) {
// reset any current override
final String[] removed = overriddenLogLevels.remove(loggerName);
if (removed != null) {
final Level toRestore = Level.toLevel(removed[1], null);
if (sm != null) {
sm.add(
new InfoStatus(
String.format(
"Resetting level for logger '%s'.", loggerName, logger.getEffectiveLevel()),
this));
}
logger.setLevel(toRestore);
}
} else if (newLevel != currentLevel) {
// apply new override
overriddenLogLevels.put(
loggerName, new String[] {level, null != currentLevel ? currentLevel.levelStr : null});
if (sm != null) {
sm.add(
new InfoStatus(
String.format("Overriding level for logger '%s' to '%s'.", loggerName, newLevel),
this));
}
logger.setLevel(newLevel);
}
}
