public static boolean safeGetBooleanSystemProperty(String key) {
        String value = safeGetSystemProperty(key);
        if (value == null)
            return false;
        else
            return value.equalsIgnoreCase("true");
    }
An internal utility class.

@author Alexander Dorokhine
@author Ceki G&uuml;lc&uuml;
slf4j-api/src/main/java/org/slf4j/helpers/Util.java