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Posted to user@commons.apache.org by Nalika Dissanayaka <na...@gmail.com> on 2004/10/07 20:11:57 UTC
Digester: Problem of loading parents attribute to the child
Hi,
I am having a difficulty to load the following XML file by using the
commons Digester. Is there anyone that can help me on this...
XML FILE
<?xml version="1.0" encoding="UTF-8"?>
<metadata lang="en-US" environment="Production" revision="001">
<Sender>
<Name>my nameDC</Name>
<Address>my address </Address>
</Sender>
<DataArea>
<Data Set>
<Data>
<attr1></attr1>
<attr2></attr2>
<attrn></attrn>
</Data>
<Data>
<attr1></attr1>
<attr2></attr2>
<attrn></attrn>
</Data>
</Data Set>
</DataArea>
</metadata>
I am only interested getting the list of "Data" objects. The issue is,
Data class has a attribute called "lang" which should be loaded from
the value of the "lang" in the "metadata" node. (I am planning to load
series of files where metadata lang can be changed based on the
locale)
What are the possible approaches that I can use ?. Is this something
that can be done by using the commons Digester. (I have no problrm of
loading the list of "Data")
Thanks in advance
Nalika
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Re: Digester: Problem of loading parents attribute to the child
Posted by Simon Kitching <si...@ecnetwork.co.nz>.
On Fri, 2004-10-08 at 07:11, Nalika Dissanayaka wrote:
> Hi,
>
> I am having a difficulty to load the following XML file by using the
> commons Digester. Is there anyone that can help me on this...
>
> XML FILE
>
> <?xml version="1.0" encoding="UTF-8"?>
> <metadata lang="en-US" environment="Production" revision="001">
> <Sender>
> <Name>my nameDC</Name>
> <Address>my address </Address>
> </Sender>
> <DataArea>
> <Data Set>
> <Data>
> <attr1></attr1>
> <attr2></attr2>
>
> <attrn></attrn>
>
> </Data>
> <Data>
> <attr1></attr1>
> <attr2></attr2>
>
> <attrn></attrn>
> </Data>
> </Data Set>
> </DataArea>
> </metadata>
>
> I am only interested getting the list of "Data" objects. The issue is,
> Data class has a attribute called "lang" which should be loaded from
> the value of the "lang" in the "metadata" node. (I am planning to load
> series of files where metadata lang can be changed based on the
> locale)
>
> What are the possible approaches that I can use ?. Is this something
> that can be done by using the commons Digester. (I have no problrm of
> loading the list of "Data")
It certainly can be done using the Digester, though you might have to
create a custom Rule class or two.
I would suggest having a look at the ObjectParamRule class which can be
used to pass an arbitrary object to a method on the top object on the
digester object stack.
Regards,
Simon
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