I know I can find this out by testing, but I want to make sure I'm not
missing some subtle point that will only show up after I've done this and
someone else runs it on their system and finds a problem I didn't know
about...
I'm writing a program using J2SE and needed e-mail access, so I downloaded
mail.jar from Sun. (I know it's in J2EE, but that's not what I had.) I've
also made use of a couple other jars from places like jars.com, as well as
a number of jar files in OpenOffice.org to work with the OOo program.
If I find out what I need in each jar, unpack them, and put all the needed
classes into my own jar, so I can distribute the program as one file and
make it "click 'n run"-able without the need to specify any CLASSPATH, is
there any problem with this (I'm leaving copyright notices, copies of GPL,
etc. intact)? Is there a problem with loading because it is one big jar
file instead of a lot of smaller ones?
Thanks!
Hal
2  2032 
> If I find out what I need in each jar, unpack them, and put all the needed classes into my own jar, so I can distribute the program as one file and
make it "click 'n run"-able without the need to specify any CLASSPATH, is
there any problem with this (I'm leaving copyright notices, copies of GPL,
etc. intact)? Is there a problem with loading because it is one big jar
file instead of a lot of smaller ones?
In theory this should not be a problem. However, you must make sure
that when you extract those java classes that you need that you also
extract all other classes that it depends on.
Hope this helps,
Daniel Goldman http://d-goldman.org
D Goldman wrote: If I find out what I need in each jar, unpack them, and put all the
needed classes into my own jar, so I can distribute the program as one
file and make it "click 'n run"-able without the need to specify any
CLASSPATH, is there any problem with this (I'm leaving copyright notices,
copies of GPL,
etc. intact)? Is there a problem with loading because it is one big jar
file instead of a lot of smaller ones?
In theory this should not be a problem. However, you must make sure
that when you extract those java classes that you need that you also
extract all other classes that it depends on.
That is the one drawback I could think of -- the need to make sure I get all
the classes in the tree.
I'm trying to make this as "click-and-run"-able as possible on different
systems and I figure if everything is in one big jar, I don't have to worry
about class paths. (Since I have to distribute the files anyway, they
might as well be in one jar instead of several.)
Thanks!
Hal
Hope this helps,
Daniel Goldman
http://d-goldman.org
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