Class WrapUtils

java.lang.Object
uk.ac.starlink.util.WrapUtils

public class WrapUtils extends Object
Utilities relating to the Wrapper class.
Since:
3 Apr 2008
Author:
Mark Taylor
  • Method Details

    • getWrapped

      public static Object getWrapped(Object obj)
      Returns the object on which a given object is based. If obj is a Wrapper, it is unwrapped as far as possible and the base object is returned. Otherwise obj itself is returned.
      Parameters:
      obj - test object
      Returns:
      ultimate base object of obj
    • getWrapped

      public static Object getWrapped(Object obj, Class<?> clazz)
      Attempts to return an object of a given class on which a given object is based. An object is unwrapped (see Wrapper.getBase()) until an object of class clazz is found, at which point it is returned. If no clazz object can be found, null is returned.
      Parameters:
      obj - test object
      Returns:
      object within the wrapping hierarchy of class clazz, or null