Brian Boyle schrieb:
Hi Oliver,
Thanks for replying so quickly.
I tried out your suggestion and it works perfectly.
I've had a look at the CombinedConfiguration object and I managed to get it
working. I have added my code below.....is this the correct way to do this
or is there an even easier way to do it with CombinedConfiguration?
Cheers,
Brian
CombinedConfiguration cc = new CombinedConfiguration(new
OverrideCombiner());
cc.addConfiguration(masterConf);
cc.addConfiguration(localConf);
XMLConfiguration result = new XMLConfiguration();
result.setRootNode(cc.getRootNode());
XMLConfiguration finalResult = new XMLConfiguration(result);
finalResult.setRootElementName("IMConfig");
finalResult.save("resources/CombinedConfig.xml");
I think you should be able to do
CombinedConfiguration cc = new CombinedConfiguration(new
OverrideCombiner());
cc.addConfiguration(masterConf);
cc.addConfiguration(localConf);
XMLConfiguration result = new XMLConfiguration(cc);
result.save(...);
Oliver
On Wed, Nov 26, 2008 at 9:04 PM, Oliver Heger
<[EMAIL PROTECTED]>wrote:
Brian Boyle schrieb:
Hi there,
I am using the OverrideCombiner class to combine two XMLConfigurations
together. This works fine and then I set this combined configuration as
the
RootNode of a new XMLConfigruation. I am then trying to save this newly
created configuration as a new file and this does not seem to work. Does
anybody know if this is possible or have a missed a step along the way?
Thanks,
Brian
P.S. Here is my code.
XMLConfiguration masterConf = new XMLConfiguration();
XMLConfiguration localConf = new XMLConfiguration();
masterConf.load("resources/Masterconfig.xml");
localConf.load("resources/localConfig.xml");
NodeCombiner combiner = new OverrideCombiner();
ConfigurationNode cn =
combiner.combine(localConf.getRootNode(),
masterConf.getRootNode());
XMLConfiguration result = new XMLConfiguration();
result.setRootNode(cn);
result.save("resources/CombinedConfig.xml");
The problem is that the configuration nodes contain references to the XML
DOM elements they correspond to. These references are also used by
XMLConfiguration to find out, which nodes have been changed and must be
written.
To solve your problem these references must be cleared. The easiest way to
do this is using the constructor of XMLConfiguration that takes another
hierarchical configuration as argument. You can try creating another
XMLConfiguration as copy of the existing one:
XMLConfiguration result = new XMLConfiguration();
result.setRootNode(cn);
XMLConfiguratiion finalResult = new XMLConfiguration(result);
finalResult.save(...);
BTW, is there a reason why you do not use CombinedConfiguration? This class
will do the work with the combiners for you. You can then create the result
XMLConfiguration from this combined configuration.
HTH
Oliver
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