private static void treatClassToPatch(CtClass c) throws CannotCompileException {
if (c == null) {
throw new IllegalArgumentException("the class to patch cannot be null");
}
int modifiers = c.getModifiers();
if (Modifier.isAnnotation(modifiers)) {
throw new IllegalArgumentException("the class to patch cannot be an annotation");
}
if (Modifier.isInterface(modifiers)) {
throw new IllegalArgumentException("the class to patch cannot be an interface");
}
if (Modifier.isEnum(modifiers)) {
throw new IllegalArgumentException("the class to patch cannot be an enum");
}
c.setModifiers(Modifier.PUBLIC);
addDefaultConstructor(c);
}
