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Posted to user@commons.apache.org by ribbey101 <sb...@tsgrp.com> on 2008/07/18 15:02:08 UTC

How to write a HierarchicalConfiguration to the file system?

Hi,

We have a spring-based web application which loads an apache commons
HierarchicalConfiguration at application startup from a config.xml. We would
like to be able to make changes to the HierarchicalConfiguration and then
write it back to an xml on the filesystem.

I see a lot of information about loading the xml into memory, but haven't
seen much about writing it back out to a filesystem. If someone could give
me some tips on what I should use or where to look, it would be greatly
appreciated.

Thanks!
Shana
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Re: How to write a HierarchicalConfiguration to the file system?

Posted by ribbey101 <sb...@tsgrp.com>.


ribbey101 wrote:
> 
> Hi,
> 
> We have a spring-based web application which loads an apache commons
> HierarchicalConfiguration at application startup from a config.xml. We
> would like to be able to make changes to the HierarchicalConfiguration and
> then write it back to an xml on the filesystem.
> 
> I see a lot of information about loading the xml into memory, but haven't
> seen much about writing it back out to a filesystem. If someone could give
> me some tips on what I should use or where to look, it would be greatly
> appreciated.
> 
> Or do I have to just using something like DOM for now?
> 
> Thanks!
> Shana
> 

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Re: [configuration] How to write a HierarchicalConfiguration to the file system?

Posted by Oliver Heger <ol...@oliver-heger.de>.
First, this is a shared list. Please use the component you are 
interested in as prefix for your subject, as I have done now.

See below:

ribbey101 schrieb:
> Hi,
> 
> We have a spring-based web application which loads an apache commons
> HierarchicalConfiguration at application startup from a config.xml. We would
> like to be able to make changes to the HierarchicalConfiguration and then
> write it back to an xml on the filesystem.
> 
> I see a lot of information about loading the xml into memory, but haven't
> seen much about writing it back out to a filesystem. If someone could give
> me some tips on what I should use or where to look, it would be greatly
> appreciated.
> 
> Thanks!
> Shana

If you have loaded a configuration file in XML format, there must have 
been a XMLConfiguration instance involved. XMLConfiguration contains 
several save() methods for writing the properties contained back to 
disk. So you should use this object for saving your changes.

Oliver


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