[Building Sakai] Implement UserDirectoryProvider - How to read properties file

[Aaron Zeckoski]

You are probably trying to load the file via spring or via
classloader.getresource and because of the sakai classloader
environment for components it is failing. This is because of a
disconnect between the classloader which spring is using to load the
files (shared) and the one which has the file (your component
classloader). Take a look at this class from Sakai entitybroker utils
as a way to get around the issue in spring:
https://source.sakaiproject.org/svn/entitybroker/trunk/utils/src/java/org/sakaiproject/entitybroker/util/spring/ResourceFinder.java

If you want to load the file from outside of the jar/classloader then
you can copy it yourself manually or use maven to copy it when your
project is built. Then you just use typical java/spring stuff (nothing
related to sakai) to load up the properties file.

If you are not familiar with loading files (property or otherwise)
this should help:
http://www.rgagnon.com/javadetails/java-0434.html

Finally, if you want to load from a URL try something like this:
http://java.sun.com/docs/books/tutorial/networking/urls/readingURL.html

Hope that helps
-AZ


On Sun, Jul 19, 2009 at 5:47 AM, Phuc Bui<phucbui2006 at yahoo.com.vn> wrote:
> Dear all,
>
> I have implemented UserDirectoryProvider to read data from external
> database.
>
> Now, I use a file properties to store database connection configuration.
>
> But I cannot read this file (always get FileNotFoundException)
>
> The location of this file is as following pictures
>
> http://i400.photobucket.com/albums/pp88/bmphuc/propertiesFileLocation.jpg
>
> Moreover, when I built it the properties file was included in file jar. How
> can we place it outside file jar, so that we can change to configuration ?
>
>
>
> Thanks,
>
> Looking for your replies
>
> Phuc Bui
>
>
>
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-- 
Aaron Zeckoski (azeckoski (at) vt.edu)
Senior Research Engineer - CARET - University of Cambridge
https://twitter.com/azeckoski - http://www.linkedin.com/in/azeckoski
http://aaronz-sakai.blogspot.com/ - http://tinyurl.com/azprofile