Or if your resource are strored in a package try
theObjectOf MyPackage.getClass().getResourceAsStream("image.gif");
Often used when sevlet inside a jar should serve content in the jar as well.
David Smith a écrit :
If you are trying to read from a servlet, it's:
getServletContext().getResource( "/WEB-INF/graphics/test.gif" )
getServletContext().getResourceAsStream( "/WEB-INF/graphics/test.gif" ) ;
The first one retrieves a URL object that can be used to open an input
stream. The second returns an input stream you can use directly.
--David
harl3kin wrote:
Hey again,
thanks for your replies. I just want to read the resource file and I
tried
the getResource() method, it can't find the resource though. When I
get the
absolute path of the context, I receive the file structure where the
tomcat
is installed. But does tomcat internally have the same file
structure? (i.e.
local tomcat installed on C:\progs\tomcat - ist it correct that tomcat
internally tries to retrieve the wanted file from C:\progs\tomcat\... ?)
I really tried a lot. I thought the problems arise because I have a
windows-tomcat the file structure uses the wrong slashes (so I tried
using
"\\" instead of "/" - did not work). So to make it really clear:
1. i have a local tomcat installed on windows
2. i have an image deployed on that tomcat on
.../webapps/test/WEB-INF/graphics/test.gif
question: how can a deployed class on the server correctly read the
image that resides
on the same server?
thanks again for your help and patience,
regards,
thorsten
David Smith-2 wrote:
This is per the spec which explicitly states that the method
getRealPath() will return null if the webapp is executed from an
unexpanded .war file. I believe it's even in the docs for the
servlet api. If however your effort is in just reading the
resource, there are other methods which work regardless of being in
a .war file or not -- getResource( path ) and getResourceAsStream(
path ).
--David
Mark Miller wrote:
,
you could use ServletContext.getRealPath( ). That will return the
absolute path to the file, but only if the webapp isn't packed up
as .war.
--David
Why is this the case? Doesn't Tomcat extract to war to a
webapp/warname
folder when it first accesses it?
- Mark
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