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From Fixe106 <>
Subject Re: [POLL] loading XML configurations from filesystem
Date Tue, 20 May 2008 15:09:27 GMT
Like you, I load only from classpath and WEB-INF
best regards
Le Tue, 20 May 2008 16:38:48 +0200, Andrus Adamchik  
<> a écrit:

> Wanted to check if anybody loads "cayenne.xml" and related Map and Node  
> XML files from locations other than default two: CLASSPATH and WEB-INF/  
> ?  More specifically:
> 1. anybody uses FileConfiguration?
> 2. anybody uses DefaultConfiguration (with 'addResourcePath' or without)  
> to directly reference file in the filesystem (vs. referencing resources  
> in classpath)?
> 3. anybody places DataMap / DataNode files in (jar) directories outside  
> of the directory where "cayenne.xml" is located?
> I personally don't, as all these approaches lead to non-portable  
> applications that make unwarranted assumptions about the environment. I  
> think cases requiring to open cayenne.xml via the application UI are  
> special enough to warrant a custom configuration.
> Some background. I am planning a rework of the config package to include  
> support for merging of multiple Cayenne projects into a single "virtual  
> project" in runtime (hence enabling multiple "persistent units" in the  
> app). So I am looking to simplify this task and stop supporting edge  
> cases that are not widely used, and also change the basic algorithm of  
> resolving files relative to cayenne.xml to ensure they are actually  
> relative to the URL within a JAR or class folder where cayenne.xml is  
> found (so that we can have multiple cayenne.xml files and avoid  
> conflicts when loading dependent XML files of those).
> I think there is a lot of benefit in keeping the built-in choices of  
> file lookup down to just a few basic ones, and of course the users can  
> still write their own Configuration extensions to address non-standard  
> requirements.
> Andrus

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