57      *
  58      * @see #getElementName(Object)
  59      */
  60     public abstract boolean isElement(Object object);
  61 
  62     /**
  63      * <p>Get xml element qname for <code>jaxbElement</code>.</p>
  64      *
  65      * @param jaxbElement is an object that {@link #isElement(Object)} returned true.
  66      *
  67      * @return xml element qname associated with jaxbElement;
  68      *         null if <code>jaxbElement</code> is not a JAXB Element.
  69      */
  70     public abstract QName getElementName(Object jaxbElement);
  71 
  72     /**
  73      * <p>Get the element value of a JAXB element.</p>
  74      *
  75      * <p>Convenience method to abstract whether working with either
  76      *    a javax.xml.bind.JAXBElement instance or an instance of
  77      *    <tt>@XmlRootElement</tt> annotated Java class.</p>
  78      *
  79      * @param jaxbElement  object that #isElement(Object) returns true.
  80      *
  81      * @return The element value of the <code>jaxbElement</code>.
  82      */
  83     public static Object getValue(Object jaxbElement) {
  84         if (jaxbElement instanceof JAXBElement) {
  85             return ((JAXBElement)jaxbElement).getValue();
  86         } else {
  87             // assume that class of this instance is
  88             // annotated with @XmlRootElement.
  89             return jaxbElement;
  90         }
  91     }
  92 }

  57      *
  58      * @see #getElementName(Object)
  59      */
  60     public abstract boolean isElement(Object object);
  61 
  62     /**
  63      * <p>Get xml element qname for <code>jaxbElement</code>.</p>
  64      *
  65      * @param jaxbElement is an object that {@link #isElement(Object)} returned true.
  66      *
  67      * @return xml element qname associated with jaxbElement;
  68      *         null if <code>jaxbElement</code> is not a JAXB Element.
  69      */
  70     public abstract QName getElementName(Object jaxbElement);
  71 
  72     /**
  73      * <p>Get the element value of a JAXB element.</p>
  74      *
  75      * <p>Convenience method to abstract whether working with either
  76      *    a javax.xml.bind.JAXBElement instance or an instance of
  77      *    {@code @XmlRootElement} annotated Java class.</p>
  78      *
  79      * @param jaxbElement  object that #isElement(Object) returns true.
  80      *
  81      * @return The element value of the <code>jaxbElement</code>.
  82      */
  83     public static Object getValue(Object jaxbElement) {
  84         if (jaxbElement instanceof JAXBElement) {
  85             return ((JAXBElement)jaxbElement).getValue();
  86         } else {
  87             // assume that class of this instance is
  88             // annotated with @XmlRootElement.
  89             return jaxbElement;
  90         }
  91     }
  92 }