@Override
protected void registerMBeans() {
MBeanServer server = ManagementFactory.getPlatformMBeanServer();
try {
server.registerMBean(this, new ObjectName(MBEAN_BOOTSTRAP_HOST));
} catch (Exception e) {
logger.error("Unable to register " + MBEAN_BOOTSTRAP_HOST + " mbean", e);
}
try {
HierarchyDynamicMBean hdm = new HierarchyDynamicMBean();
server.registerMBean(hdm, new ObjectName(MBEAN_LOG4J_HIERARCHY));
// Add the root logger to the Hierarchy MBean
hdm.addLoggerMBean(Logger.getRootLogger().getName());
LoggerRepository r = LogManager.getLoggerRepository();
@SuppressWarnings("rawtypes")
Enumeration loggers = r.getCurrentLoggers();
while (loggers.hasMoreElements()) {
hdm.addLoggerMBean(((Logger) loggers.nextElement()).getName());
}
} catch (Exception e) {
logger.error("Unable to register " + MBEAN_LOG4J_HIERARCHY + " mbean", e);
}
super.registerMBeans();
}
private void parseErrorHandler(
final ErrorHandler eh,
final String errorHandlerPrefix,
final Properties props,
final LoggerRepository hierarchy) {
boolean rootRef =
OptionConverter.toBoolean(
OptionConverter.findAndSubst(errorHandlerPrefix + ROOT_REF, props), false);
if (rootRef) {
eh.setLogger(hierarchy.getRootLogger());
}
String loggerName = OptionConverter.findAndSubst(errorHandlerPrefix + LOGGER_REF, props);
if (loggerName != null) {
Logger logger =
(loggerFactory == null)
? hierarchy.getLogger(loggerName)
: hierarchy.getLogger(loggerName, loggerFactory);
eh.setLogger(logger);
}
String appenderName =
OptionConverter.findAndSubst(errorHandlerPrefix + APPENDER_REF_TAG, props);
if (appenderName != null) {
Appender backup = parseAppender(props, appenderName);
if (backup != null) {
eh.setBackupAppender(backup);
}
}
}
/**
* Read configuration options from <code>properties</code>.
*
* <p>See {@link #doConfigure(String, LoggerRepository)} for the expected format.
*/
public void doConfigure(Properties properties, LoggerRepository hierarchy) {
repository = hierarchy;
String value = properties.getProperty(LogLog.DEBUG_KEY);
if (value == null) {
value = properties.getProperty("log4j.configDebug");
if (value != null)
LogLog.warn("[log4j.configDebug] is deprecated. Use [log4j.debug] instead.");
}
if (value != null) {
LogLog.setInternalDebugging(OptionConverter.toBoolean(value, true));
}
//
// if log4j.reset=true then
// reset hierarchy
String reset = properties.getProperty(RESET_KEY);
if (reset != null && OptionConverter.toBoolean(reset, false)) {
hierarchy.resetConfiguration();
}
String thresholdStr = OptionConverter.findAndSubst(THRESHOLD_PREFIX, properties);
if (thresholdStr != null) {
hierarchy.setThreshold(OptionConverter.toLevel(thresholdStr, (Level) Level.ALL));
LogLog.debug("Hierarchy threshold set to [" + hierarchy.getThreshold() + "].");
}
configureRootCategory(properties, hierarchy);
configureLoggerFactory(properties);
parseCatsAndRenderers(properties, hierarchy);
LogLog.debug("Finished configuring.");
// We don't want to hold references to appenders preventing their
// garbage collection.
registry.clear();
}
void configureRootCategory(Properties props, LoggerRepository hierarchy) {
String effectiveFrefix = ROOT_LOGGER_PREFIX;
String value = OptionConverter.findAndSubst(ROOT_LOGGER_PREFIX, props);
if (value == null) {
value = OptionConverter.findAndSubst(ROOT_CATEGORY_PREFIX, props);
effectiveFrefix = ROOT_CATEGORY_PREFIX;
}
if (value == null) LogLog.debug("Could not find root logger information. Is this OK?");
else {
Logger root = hierarchy.getRootLogger();
synchronized (root) {
parseCategory(props, root, effectiveFrefix, INTERNAL_ROOT_NAME, value);
}
}
}
/** Parse non-root elements, such non-root categories and renderers. */
protected void parseCatsAndRenderers(Properties props, LoggerRepository hierarchy) {
Enumeration enumeration = props.propertyNames();
while (enumeration.hasMoreElements()) {
String key = (String) enumeration.nextElement();
if (key.startsWith(CATEGORY_PREFIX) || key.startsWith(LOGGER_PREFIX)) {
String loggerName = null;
if (key.startsWith(CATEGORY_PREFIX)) {
loggerName = key.substring(CATEGORY_PREFIX.length());
} else if (key.startsWith(LOGGER_PREFIX)) {
loggerName = key.substring(LOGGER_PREFIX.length());
}
String value = OptionConverter.findAndSubst(key, props);
Logger logger = hierarchy.getLogger(loggerName, loggerFactory);
synchronized (logger) {
parseCategory(props, logger, key, loggerName, value);
parseAdditivityForLogger(props, logger, loggerName);
}
} else if (key.startsWith(RENDERER_PREFIX)) {
String renderedClass = key.substring(RENDERER_PREFIX.length());
String renderingClass = OptionConverter.findAndSubst(key, props);
if (hierarchy instanceof RendererSupport) {
RendererMap.addRenderer((RendererSupport) hierarchy, renderedClass, renderingClass);
}
} else if (key.equals(THROWABLE_RENDERER_PREFIX)) {
if (hierarchy instanceof ThrowableRendererSupport) {
ThrowableRenderer tr =
(ThrowableRenderer)
OptionConverter.instantiateByKey(
props,
THROWABLE_RENDERER_PREFIX,
org.apache.log4j.spi.ThrowableRenderer.class,
null);
if (tr == null) {
LogLog.error("Could not instantiate throwableRenderer.");
} else {
PropertySetter setter = new PropertySetter(tr);
setter.setProperties(props, THROWABLE_RENDERER_PREFIX + ".");
((ThrowableRendererSupport) hierarchy).setThrowableRenderer(tr);
}
}
}
}
}