private void findFields() {
// traverse class hierarchy and find all annotated fields
for (Class<?> clazz = getObject().getClass(); clazz != null; clazz = clazz.getSuperclass()) {
Field[] fields = clazz.getDeclaredFields();
for (Field field : fields) {
ManagedAttribute attr = field.getAnnotation(ManagedAttribute.class);
Property prop = field.getAnnotation(Property.class);
boolean expose_prop = prop != null && prop.exposeAsManagedAttribute();
boolean expose = attr != null || expose_prop;
if (expose) {
String fieldName = Util.attributeNameToMethodName(field.getName());
String descr = attr != null ? attr.description() : prop.description();
boolean writable = attr != null ? attr.writable() : prop.writable();
MBeanAttributeInfo info =
new MBeanAttributeInfo(
fieldName,
field.getType().getCanonicalName(),
descr,
true,
!Modifier.isFinal(field.getModifiers()) && writable,
false);
atts.put(fieldName, new FieldAttributeEntry(info, field));
}
}
}
}
private static void _testAttributeNameToMethodName(String input, String expected_output) {
String method_name = Util.attributeNameToMethodName(input);
System.out.println(
"attrname="
+ input
+ ", method name="
+ method_name
+ ", expected output="
+ expected_output);
assert method_name.equals(expected_output)
: "attrname="
+ input
+ ", method name="
+ method_name
+ ", expected output="
+ expected_output;
}