Re: [Jython-users] jython, recursion and XML

[<bc...@wo...>]

[Ted Berg]

>I'm trying to build a simple XML editor targetted at a specific use.  I am 
>displaying the xml node names as elements in a JTree and have implemented a 
>TreeModel to accomplish this.
>
>The nodes in the tree model extract relevant info from a JDOM Element object 
>passed to their fromXML method after creation.  This method populates the 
>callee node's child list and calls each child's fromXML method.
>
>From the print out generated by the fromXML method, it appears that 
>everything is working, but when the process is complete another print shows 
>that something has gone dramatically wrong.
>
>print generated during population:
>
> [Element: <nodehandler/>]
>  [Element: <group_atts/>]
>  [Element: <nodehandler/>]
>   [Element: <file/>]
>  [Element: <nodehandler/>]
>   [Element: <file/>]
>  [Element: <nodehandler/>]
>   [Element: <file/>]
>
>print of tree root element's 'children' list after population of the 
>TreeModel:
>
>[group_atts, file, nodehandler, file, nodehandler, file, nodehandler]
>
>Relevant code snippet from InstallSetTreeModel:
>
>  def fromXML( self, node, space='' ):
>    print space,node
>    self.name = node.name
>    for n in node.children:
>      f = InstallSetTreeModel( self )
>      f.fromXML( n, space+' ')
>      self.children.append( f )
>
>Obviously *something* isn't right. 

It seems right to me. Did you expect it to write

>[nodehandler, group_atts, nodehandler, file, nodehandler, file, nodehandler, file]

instead? Then try to add nodes to the the list at the position where you
have your print statement.

>The code is part of a project that will allow java/jython applications to 
>download updates from a website.  The whole shebang will be publicly 
>available when i'm done too, if that's any sort of carrot. :)
>
>I can post the whole file if it would help, I just wanted to avoid spamming 
>the list right off.

Posting an url to the source is the way to go.

regards,
finn