André Warnier wrote:
David kerber wrote:
Caldarale, Charles R wrote:
From: David kerber [mailto:dcker...@verizon.net]
Subject: Logo file location
In TC 5.5.x or 6.0.x, Where in my webapp folder structure should I put
a small .bmp file that I use for putting a logo on generated reports?
Use ServletContext.getResourceAsStream() to retrieve the file, which
can be located pretty much wherever you want inside the webapp, even
under WEB-INF.
Will it find it pretty much wherever I put it,
I don't think that this was what Chuck really meant above
or will I need to specify
the location?
Yeah, it is not so smart. You have to give it a clue.
http://java.sun.com/products/servlet/2.3/javadoc/javax/servlet/ServletContext.html
It seems that you need to specify the path.
But I guess you could set this path as an <init-param> in the web.xml of
your webapp.
Upon further examination of the spec page above, I would guess that a
better way (more flexible) would be to specify the relative URI of your
file as an <init-param> value, and then do a getRealPath() to convert
that into a real path, and then call getResourceAsStream() to get a
stream opened on it.
At least I presume that this is what they mean by "virtual path", in the
getRealPath() explanation.
so, web.xml :
<webapp .......>
...
<init-param>
<param-name>thelogo</param-name>
<param-value>/logos/printlogo.jpg</param-value>
</init-param>
application :
InputStream logo_stream =
context.getResourceAsStream(context.getRealPath(context.getInitParm('thelogo')));
plus or minus some exception-catching stuff in case you messed up somewhere
and put your (readable) file in /webapps/mywebapp/logos/printlogo.jpg
Right, gurus ?
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