Please bear with me while I describe what is a slightly contorted
problem. I'll try to be as brief as is consistent with clarity.
I have written a scientific java application that uses JDBC to
connect to a database. Development was done with MySQL on localhost
(also on unix server), but then we ported the database to Apache
Derby (which is written in Java and allows embedding), in order to
distribute both app and database together (for free). So far, so
good. I can run the app as jar file - or as a Mac application package
- with the db in a folder in the same directory. However, I would
rather hide the database from the user (especially as it is a folder/
directory with zillions of files and subdirectories), within the app
package. The way that the jdbc works (correct me if I'm wrong), I was
unable to communicate with the db if I included it in the jar file
containing the class files, but I could access it in the Resources
directory in the .app if I set WorkingDirectory as $APP_PACKAGE/
Contents/Resources/Java in the Java section of the Info.plist.
So far so good.
However I have an option in the application to save the graphics that
the app displays in png format. When I invoke this from my
application package the default location to save to is the
WorkingDirectory specified above - ie within the app. Not a good
default location for saving, to say the least! Half of my users will
be sure to save files there. I suspect that I'm in a catch-22
situation, but surely I should be able to set the save dialogue so
that it defaults somewhere outside the application package.
Other details. Most of the application GUI is written in Swing (java
1.4), but I use the AWT FileDialog,SAVE for saving the png, rather
than whatever the Swing equivalent is, because I detest of Swing open
and save dialogues as they are completely un-Mac-like. However I am
aware of the limitations of the AWT, so if there were a way out here
I might reconsider.
Any suggestions would be appreciated.
David
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