Dear Martin,
On 21/02/17 13:31, Martin Knoblauch wrote:
Hi,
is there a way to find the absolute path of the application root before
the servlet is initialized?
Alternatively: is there a way to defer the initialization of a datasource
until the servlet is initialized?
Background: I have extended "org.apache.tomcat.jdbc.pool.DataSourceFactory"
to automatically set credentials so that they are not stored in the
"Catalina/localhost/XXX.xml" file. Instead they are taken from encrypted
values in a file below the application root. Works fine if I know that path
at "createDataSource" time.
In order to avoid hard coding that path, I need a programmatic to find that
value. Unfortunately the datasource is initialized before the servlet, so
"getRealPath()" is not working yet.
Environment is Tomcat 8 plus JDK 8. Plus an commercial application that I
do not want to name :-)
Thanks in advance
Martin
For this purpose I use the ant properties interpolation on tomcat
configuration xml-files
http://tomcat.apache.org/tomcat-7.0-doc/config/index.html
It may be you requirements needs a more elaborated solution, but this a
convenient way to do it.
Regards
Antonio
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