623         }
 624     }
 625 
 626     // Until all JDK code converted to call sun.util.logging.PlatformLogger
 627     // (see 7054233), we need to determine if Logger.getLogger is to add
 628     // a system logger or user logger.
 629     //
 630     // As an interim solution, if the immediate caller whose caller loader is
 631     // null, we assume it's a system logger and add it to the system context.
 632     // These system loggers only set the resource bundle to the given
 633     // resource bundle name (rather than the default system resource bundle).
 634     private static class SystemLoggerHelper {
 635         static boolean disableCallerCheck = getBooleanProperty("sun.util.logging.disableCallerCheck");
 636         private static boolean getBooleanProperty(final String key) {
 637             String s = AccessController.doPrivileged(new PrivilegedAction<String>() {
 638                 @Override
 639                 public String run() {
 640                     return System.getProperty(key);
 641                 }
 642             });
 643             return Boolean.valueOf(s);
 644         }
 645     }
 646 
 647     private static Logger demandLogger(String name, String resourceBundleName, Class<?> caller) {
 648         LogManager manager = LogManager.getLogManager();
 649         if (!SystemLoggerHelper.disableCallerCheck) {
 650             if (isSystem(caller.getModule())) {
 651                 return manager.demandSystemLogger(name, resourceBundleName, caller);
 652             }
 653         }
 654         return manager.demandLogger(name, resourceBundleName, caller);
 655         // ends up calling new Logger(name, resourceBundleName, caller)
 656         // iff the logger doesn't exist already
 657     }
 658 
 659     /**
 660      * Find or create a logger for a named subsystem.  If a logger has
 661      * already been created with the given name it is returned.  Otherwise
 662      * a new logger is created.
 663      * <p>

 623         }
 624     }
 625 
 626     // Until all JDK code converted to call sun.util.logging.PlatformLogger
 627     // (see 7054233), we need to determine if Logger.getLogger is to add
 628     // a system logger or user logger.
 629     //
 630     // As an interim solution, if the immediate caller whose caller loader is
 631     // null, we assume it's a system logger and add it to the system context.
 632     // These system loggers only set the resource bundle to the given
 633     // resource bundle name (rather than the default system resource bundle).
 634     private static class SystemLoggerHelper {
 635         static boolean disableCallerCheck = getBooleanProperty("sun.util.logging.disableCallerCheck");
 636         private static boolean getBooleanProperty(final String key) {
 637             String s = AccessController.doPrivileged(new PrivilegedAction<String>() {
 638                 @Override
 639                 public String run() {
 640                     return System.getProperty(key);
 641                 }
 642             });
 643             return Boolean.parseBoolean(s);
 644         }
 645     }
 646 
 647     private static Logger demandLogger(String name, String resourceBundleName, Class<?> caller) {
 648         LogManager manager = LogManager.getLogManager();
 649         if (!SystemLoggerHelper.disableCallerCheck) {
 650             if (isSystem(caller.getModule())) {
 651                 return manager.demandSystemLogger(name, resourceBundleName, caller);
 652             }
 653         }
 654         return manager.demandLogger(name, resourceBundleName, caller);
 655         // ends up calling new Logger(name, resourceBundleName, caller)
 656         // iff the logger doesn't exist already
 657     }
 658 
 659     /**
 660      * Find or create a logger for a named subsystem.  If a logger has
 661      * already been created with the given name it is returned.  Otherwise
 662      * a new logger is created.
 663      * <p>