[jdom-interest] create xml tree
phil.weighill-smith at volantis.com
Mon Feb 2 06:14:23 PST 2004
The result of:
is to set rootObject as the parent of objectA and to add objectA into
the content of rootObject such that rootObject.getContent() will return
a list that contains an objectA reference within it
(rootObject.getContent().indexOf(objectA) will return a 0 or positive
value). This assumes that objectA doesn't yet have a parent!
To add ObjectB to ObjectA you must:
Again objectB must not yet have a parent.
As Per said, you need to build your JDOM from whatever other
representation you already have in memory using whatever logic your
I still don't understand where the problem is, but that's probably
because I've no idea what you're really trying to achieve!
On Mon, 2004-02-02 at 13:59, Mikael Petterson (KI/EAB) wrote:
> Sorry for not being very clear on what I want to do. I give it another try.
> I import an xml file (1). I creat a JDOM tree and retrieve information about parent-child relations since the xml I have does not express that for my objects explicitly. Then I have to create an another xml file (2) that describes the relationship between the objects. I have to create xml (2) to look like this:
> This describes that parent-child relation in xml. Which is fine. But when I extract the relationship and try to build xml (2) I get a problem with keeping the relations.
> I addContent() to rootObject. Like this:
> Will the resulting Element be rootObject+ObjectA.
> So how can I then add ObjectB?
> Hope it is a little bit more clear :-) Maybe ....
> -----Original Message-----
> From: Per Norrman [mailto:pernorrman at telia.com]
> Sent: den 2 februari 2004 13:57
> To: Mikael Petterson (KI/EAB); jdom-interest at jdom.org
> Subject: SV: [jdom-interest] create xml tree
> this one was hard to understand ...
> > I am trying to find out if there is a way of adding children
> > in a way that the parent-child relation will be kept.
> When you add one element (child) to another element (parent),
> you create a parent-child relationship. Which parent-child
> relationship do you want to be preserved?
> > I have a method to create the relation inbetween parent and
> > child. I then want to make a recursive add of
> > children to each parent. I have about 8 levels of
> > parent-child relations. Doing
> > parent.addContent(child);
> > seems only to add the first level. How can I make it recursive?
> You cannot make it recursive! Where are the grand children, and the
> grand-grand children, etc?
> > Do I have to keep track of the element that I start to add
> > children to and when all my addContent have been done I add
> > the first element to the root and last create a Document?
> Not knowing what your'e trying to do, but here are two hints:
> 1) if youre tree is static, one alternative is to use a bottom-up
> approach (although I do not really recommend the coding style):
> Element e =
> new Element("L1").addContent(
> new Element("L2").addContent(
> new Element("L3").addContent(
> new Element("L4").addContent(
> new Element("L5").addContent(
> new Element("L6").addContent(
> new Element("L7").addContent(
> new Element("L8"))))))));
> (At least the tree structure is obvious :-))
> 2) if your tree is dynamic, you must have some representation of it
> you go off and construct the JDOM tree. This representation must then be
> and the JDOM tree built up along the way.
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