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);
}
}
}
/** Parse the additivity option for a non-root category. */
void parseAdditivityForLogger(Properties props, Logger cat, String loggerName) {
String value = OptionConverter.findAndSubst(ADDITIVITY_PREFIX + loggerName, props);
LogLog.debug("Handling " + ADDITIVITY_PREFIX + loggerName + "=[" + value + "]");
// touch additivity only if necessary
if ((value != null) && (!value.equals(""))) {
boolean additivity = OptionConverter.toBoolean(value, true);
LogLog.debug("Setting additivity for \"" + loggerName + "\" to " + additivity);
cat.setAdditivity(additivity);
}
}
static {
String prop = OptionConverter.getSystemProperty("java.version", null);
if (prop != null) {
int i = prop.indexOf('.');
if (i != -1) {
if (prop.charAt(i + 1) != '1') java1 = false;
}
}
String ignoreTCLProp = OptionConverter.getSystemProperty("log4j.ignoreTCL", null);
if (ignoreTCLProp != null) {
ignoreTCL = OptionConverter.toBoolean(ignoreTCLProp, true);
}
}
/**
* 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();
}