in shared/java/impl/Log.java [13:31]
static {
String property = System.getProperty("skija.logLevel");
if ("ALL".equals(property))
_level = 0;
else if("TRACE".equals(property))
_level = 1;
else if("DEBUG".equals(property))
_level = 2;
else if("INFO".equals(property))
_level = 3;
else if(null == property || "WARN".equals(property))
_level = 4;
else if("ERROR".equals(property))
_level = 5;
else if("NONE".equals(property))
_level = 6;
else
throw new IllegalArgumentException("Unknown log level: " + property);
}