private static String _sysProp(String key, Object defaultValue) {
String property = (String) systemProperties.get(key);
if (property == null) {
property = env.get(key);
if (property == null) {
String newKey = Str.underBarCase(key);
property = env.get(newKey);
if (property == null && defaultValue != DEFAULT_NULL_NOT_EMPTY) {
property = Conversions.toString(defaultValue);
}
}
}
return property;
}
public static String putSysProp(String key, Object value) {
return (String) systemProperties.put(key, Conversions.toString(value));
}