public void beforeResult(ActionInvocation invocation, String resultCode) {
ValueStack stack = invocation.getStack();
CompoundRoot root = stack.getRoot();
boolean needsRefresh = true;
Object newModel = action.getModel();
// Check to see if the new model instance is already on the stack
for (Object item : root) {
if (item.equals(newModel)) {
needsRefresh = false;
}
}
// Add the new model on the stack
if (needsRefresh) {
// Clear off the old model instance
if (originalModel != null) {
root.remove(originalModel);
}
if (newModel != null) {
stack.push(newModel);
}
}
}
public void testGetTopTarget() throws Exception {
Foo foo = new Foo();
Map context = Ognl.createDefaultContext(foo);
CompoundRoot root = new CompoundRoot();
Object top = ognlUtil.getRealTarget("top", context, root);
assertEquals(root, top); // top should be root
root.push(foo);
Object val = ognlUtil.getRealTarget("unknown", context, root);
assertNull(val); // not found
}