/**
* Returns true if the stateful parameter is bound to a true value. If stateful is not bound, also
* returns the default, true.
*
* <p>Note that this method can be called when the component is not rendering, therefore it must
* directly access the {@link IBinding} for the stateful parameter.
*/
public boolean getRequiresSession() {
IBinding statefulBinding = getStatefulBinding();
if (statefulBinding == null) return true;
return statefulBinding.getBoolean();
}
/**
* Gets the value of the binding.
*
* @param requiredType if not null, the expected type of the value object.
* @see IBinding#getObject()
* @see IBinding#getObject(String, Class)
*/
protected Object getBindingValue(Class requiredType) {
Object result;
if (requiredType == null) result = _binding.getObject();
else result = _binding.getObject(_parameterName, requiredType);
return result;
}
public Object getObject(@SuppressWarnings("rawtypes") Class type) {
try {
return binding.getObject(type);
} catch (Exception ex) {
handle(ex);
return null;
}
}
public Object getObject() {
try {
return binding.getObject();
} catch (Exception ex) {
handle(ex);
return null;
}
}
/**
* Restores the property to its default value. For {@link Direction#FORM} parameters, extracts the
* property value and sets the binding form it (when appropriate).
*/
public void resetParameter(IRequestCycle cycle) {
if (_direction == Direction.FORM && cycle.isRewinding()) {
IFormComponent component = (IFormComponent) _component;
if (!component.isDisabled()) {
IForm form = Form.get(cycle);
if (form != null && form.isRewinding()) {
Object value = readCurrentPropertyValue();
_binding.setObject(value);
}
}
}
// Either way, clear the value.
setPropertyValue(_clearValue);
}
public boolean isInvariant() {
return binding.isInvariant();
}
public Location getLocation() {
return binding.getLocation();
}
public String getDescription() {
return binding.getDescription();
}
public void setObject(Object value) {
binding.setObject(value);
}