Set password for database connection at runtime

Hi there,
is it possible to set the password and/or the user for the database connection at runtime.
The use case is to read the values from a file and decrypt them, and the to establish the conenction. So that i don't habe to redeploy everything if there is a change.
Thanks in advance.

How exactly do i set these values for the datasource?
Edited by: Alex on 15.02.2012 09:50
€: JDeveloper 11.1.1.5.0
The use case is, that there is a file with an encrypted password. This should be decrypted and then be used for the connection. So when this encrypted passowrd changes, i don't want to edit and deploay the app once again. Instead the new encrypted password should be decrypted via code an then be used.
Edited by: Alex on 15.02.2012 10:00

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