public Class<?> getType(ELContext context, Object base, Object property) throws ELException {
if (base != null) {
return null;
}
if (property == null) {
String message =
MessageUtils.getExceptionMessageString(
MessageUtils.NULL_PARAMETERS_ERROR_MESSAGE_ID, "property");
throw new PropertyNotFoundException(message);
}
Integer index = IMPLICIT_OBJECTS.get(property.toString());
if (index == null) {
return null;
}
switch (index) {
case FACES_CONTEXT:
case VIEW:
context.setPropertyResolved(true);
return null;
default:
return null;
}
}
public boolean isReadOnly(ELContext context, Object base, Object property) throws ELException {
if (base != null) {
return false;
}
if (property == null) {
String message =
MessageUtils.getExceptionMessageString(
MessageUtils.NULL_PARAMETERS_ERROR_MESSAGE_ID, "property");
throw new PropertyNotFoundException(message);
}
// return value will be ignored unless context.propertyResolved is
// set to true.
Integer index = IMPLICIT_OBJECTS.get(property.toString());
if (index == null) {
return false;
}
switch (index) {
case FACES_CONTEXT:
context.setPropertyResolved(true);
return true;
case VIEW:
context.setPropertyResolved(true);
return true;
default:
return false;
}
}
public void setValue(ELContext context, Object base, Object property, Object val)
throws ELException {
if (base != null) {
return;
}
if (property == null) {
String message =
MessageUtils.getExceptionMessageString(
MessageUtils.NULL_PARAMETERS_ERROR_MESSAGE_ID, "property");
throw new PropertyNotFoundException(message);
}
Integer index = IMPLICIT_OBJECTS.get(property.toString());
if (index == null) {
return;
}
switch (index) {
case FACES_CONTEXT:
throw new PropertyNotWritableException(
MessageUtils.getExceptionMessageString(
MessageUtils.OBJECT_IS_READONLY, "facesContext"));
case VIEW:
throw new PropertyNotWritableException(
MessageUtils.getExceptionMessageString(MessageUtils.OBJECT_IS_READONLY, "view"));
default:
}
}
public Object getValue(ELContext context, Object base, Object property) throws ELException {
// variable resolution is a special case of property resolution
// where the base is null.
if (base != null) {
return null;
}
if (property == null) {
String message =
MessageUtils.getExceptionMessageString(
MessageUtils.NULL_PARAMETERS_ERROR_MESSAGE_ID, "property");
throw new PropertyNotFoundException(message);
}
Integer index = IMPLICIT_OBJECTS.get(property.toString());
if (index == null) {
return null;
}
FacesContext facesContext = (FacesContext) context.getContext(FacesContext.class);
switch (index.intValue()) {
case FACES_CONTEXT:
context.setPropertyResolved(true);
return facesContext;
case VIEW:
context.setPropertyResolved(true);
return facesContext.getViewRoot();
case VIEW_SCOPE:
context.setPropertyResolved(true);
return facesContext.getViewRoot().getViewMap();
case RESOURCE:
context.setPropertyResolved(true);
return facesContext.getApplication().getResourceHandler();
default:
return null;
}
}
