Big big problems using Generics, BeanInfo and Introspector

Question

I'm having a big big problem with Introspector class. Let me setup the problem:
public interface VO<T, V> {
  public T getOid();
  public void setOid(T oid);
  public V getVersion();
  public void setVersion(V version);
public interface CarVO extends VO<Long, Integer> {
  public String getPlate();
  public void setPlate(String plate);
public class CarVOImpl implements CarVO {
  private Long oid;
  private Integer version;
  private String plate;
  public Long getOid() { return this.oid; }
  public void setOid(Long oid) { this.oid = oid; }
  public String getPlate() { return this.plate; }
  public void setPlate(String plate) { this.plate = plate; }
  public Integer getVersion() { return this.version; }
  public void setVersion(Integer version) { this.version = version; }
public class Cool {
  public static void main(String[] args) {
    try {
      CarVO vo = new CarVOImpl();
      PropertyDescriptor[] properties = Introspector.getBeanInfo(vo.getClass()).getPropertyDescriptors();
      for (int i = 0; i < properties.length; i++) {
        System.out.println("Name " + properties.getName());
System.out.println("PropertyType " + properties[i].getPropertyType());
} catch (Exception e) { e.printStackTrace(); }
Well. This code is 100% alright, compilation OK. In runtime, no matter what I do, inverting the generic types, modifying interfaces, whatever, the property with the first generic type defined (in this example, oid) will be wrong resolved to java.lang.Object, instead the correct java.lang.Long.
Name oid
PropertyType class java.lang.ObjectAltering the order of the getter and setter in the source code seems to affect the result of Introspector!!! (ahhhhhhh)
This is probably a damm bug of Introspector class, that is private of Sun. Any idea to correct this problem?

Answer 1

Hi,
JSF 1.1 doesn't coexist nicely with HTML components.
So if your goal is to build layouts in HTML then this
will not produce the result you want
Skins in 10.1.3 are slightly different than in 11
(selectors may have changed their names). If you need
to specify the class property to make skins work then
this indicates that the skin selectors you use are
not the correct ones.
FrankHi Frank,
thank you for your help, I'm replacing every html component with adf one, panelGroup, panelHorizontal, panelBorder, objectImage etc... etc... but I have a problem...
I need to put an object component about Macromedia Flash and I cannot find any adf component to replace it. Any idea please?
Thank you again.
Ciao.
Ricky