Program Path

[Noé R. Barranco]

Hi,
Is there a way to determine the directory where a program is running from ?
I tried "getCanonicalPath()", "getAbsolutePath()", "java.class.path" and
"user.dir" but they return the directory where I'm invoking the application
from, not the directory where it is stored.

Thanks,

--noe

 

[Michael Borgwardt]

Is there a way to determine the directory where a program is running from ?
I tried "getCanonicalPath()", "getAbsolutePath()", "java.class.path" and
"user.dir" but they return the directory where I'm invoking the application
from, not the directory where it is stored.

Well, if that is not "the directory where a program is running from", what is?
The program's classes are not necessarily stored in a single directory, or
even on your computer. Therefore, it makes no sense to ask for
"the directory where it is stored".

I suspect what you really need is ClassLoader.getResourceAsStream(), which
takes into account the above factors automatically.

 

[Noé R. Barranco]

Ok, here's the scenario:
My app is stored on the following directory "d:\apps". If I invoke it from
C:\ (for example), I would like to receive "d:\apps" instead of "C:\".
Hope this clarifies a bit...

Thanks Michael

--noe

Is there a way to determine the directory where a program is running from ?
I tried "getCanonicalPath()", "getAbsolutePath()", "java.class.path" and
"user.dir" but they return the directory where I'm invoking the application
from, not the directory where it is stored.

Well, if that is not "the directory where a program is running from", what
is?
The program's classes are not necessarily stored in a single directory, or
even on your computer. Therefore, it makes no sense to ask for
"the directory where it is stored".

I suspect what you really need is ClassLoader.getResourceAsStream(), which
takes into account the above factors automatically.

 

[Andy Fish]

As Michael said, a java application is just made up of a load of classes
which could come from all over the place, so there is no concept of a single
location for your application.

take a look at class.getResource() and ClassLoader.getResource() which will
help you track down the location on disk that a specific class has been
loaded from