Am 20.04.2011 22:14, schrieb Paul Benedict:
If the ordering matters, I would introduce a new OrderedConfiguration
interface for greater positioning control.
Yes, this is a completely new feature. However, I fear that its
implementation won't be straightforward.
Currently, the hierarchical configuration implementation uses the
ConfigurationNode interface to update its internal node structure. The
cleanest solution is probably to extend this interface by an insert()
method. But this would break binary compatibility and thus require a
major release.
@Sergio: If you only have simple structures like a list with nodes and
values (and no child nodes or even complex sub trees), the following
approach should work:
- Call getList() with the correct key to obtain the current values of
the nodes affected.
- Insert the new node value at the desired position in the list.
- Call setProperty() with the same key and the modified list. This will
update the nodes structure correspondingly.
But as I said, this only works for simple scenarios.
Oliver
On Wed, Apr 20, 2011 at 3:02 PM, Oliver Heger
<[email protected]>wrote:
Hi Sergio,
Am 20.04.2011 16:03, schrieb Sergio Criales:
Hi There,
I want to add a node before another node, but in the API I wasn' t
able to find how to do it, please any ideas to do this???
Sergio Criales
this is indeed a good question! With the standard API defined by the
Configuration interface there does not seem to be an obvious solution for
this problem. All methods for adding properties append the new node(s) to
existing ones.
Also the ConfigurationNode API (which represents the nodes stored in a
hierarchical configuration) does not support inserting a child node at a
specified position.
Obviously, nobody had this requirement before. Does anybody else have an
idea?
Oliver
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