Hi Michaël, You are right. No additional functionality is required. There is only one problem. It doesn't work right now unless you are in the development environment. At least, I have never been able to get it to work in a runtime deployed version of JUMP.
Larry On 5/9/07, Michaël Michaud <[EMAIL PROTECTED]> wrote: > > >The > >workbench-properties file would allow these users to only install the > >features they need, and are compatible with their version of OpenJump. > > > > > Hi Larry, > > Let me do it completely clear. > The workbench properties file seems to already have the feature you > describe. > One can read from the doc : "the Workbench looks for plugins in two > places: in JAR files in the workbench plugin directory, and in classes > specified in the > workbench properties fileFrom" > With the following example : > <workbench> > <plug-in>example.HelloWorldPlugIn</plug-in> > </workbench> > What is the difference between your need and the workbench properties > file specification ? > > Michael > > >regards, > >Larry > > > > > > > >On 5/9/07, Michaël Michaud <[EMAIL PROTECTED]> wrote: > > > > > >>I add my thanks, > >> > >>So more easy to understand with some clear explanations from the > >>designer than trying to read java code in my favorite editor :-) . > >>I'll add this in the wiki. > >> > >>Michael > >> > >>Sunburned Surveyor a écrit : > >> > >> > >> > >>>Martin, > >>> > >>>This should be very helpful to Larry and others. I will take a close > >>>look at the Javadoc and source code for the Extension and Registry > >>>classes in the next couple of days. > >>> > >>>Thanks for the great explanation. > >>> > >>>The Sunburned Surveyor > >>> > >>>On 5/9/07, *Martin Davis* <[EMAIL PROTECTED] > >>><mailto:[EMAIL PROTECTED]>> wrote: > >>> > >>> In response to SS's puzzlement about the Extension concept, here's the > >>> rationale: > >>> > >>> Originally JUMP just had the concept of plugins, but this quickly > >>> turned > >>> out to be limiting. Many JUMP add-ons (to use a neutral term) > >>> comprise > >>> a whole collection of inter-operating plugins. They may also contain > >>> other things, such as objects or classes which need to be added to the > >>> Registry (more on this later). Also, while plugins can > >>> self-install, > >>> sometimes it's more convenient to have another piece of code manage > >>> their installation (note: just like as the JUMPConfiguration class!) > >>> > >>> A JUMP Extension was intended to be a way of managing a whole > >>> collection > >>> of plugins and associate objects. It provides a single place > >>> where the > >>> developer can do all the various house-keeping tasks needed to > >>> install & > >>> configure a large add-on. The extension class "gets control" > >>> during the > >>> load, and gets full access to the JUMP core. > >>> > >>> An extension also provides a way of managing a set of plugins > >>> which are > >>> related. The extension has a version number and a name. If JUMP > >>> allowed you to unload things, it would be extensions which were > >>> unloaded. > >>> > >>> Hopefully that clears things up, and convinces people that Extensions > >>> really are a necessary and fundamental JUMP concept. > >>> > >>> As for the Registry, I'm not sure if people really grok what this is > >>> for. There are more and more things in JUMP which aren't plugins, > >>> but > >>> which need to be installed, managed, discovered and used by plugins > >>> which actually do work. These are things like I/O drivers, Datastore > >>> drivers, Decorators, Geometry Functions, etc etc. The Registry was > >>> developed as a central place where these things could be managed. The > >>> Registry formalizes and provides a standard pattern for doing > >>> this. It > >>> of course can have new Categories of objects added to it (by an > >>> Extension, naturally). > >>> > >>> We really should have spent a lot more time documenting and promoting > >>> these subtleties of the Workbench Framework, but as usual other > >>> priorities got in the way. So much to document, so little time... > >>> Maybe > >>> this can make its way onto the wiki... > >>> > >>> -- > >>> Martin Davis > >>> Senior Technical Architect > >>> Refractions Research, Inc. > >>> (250) 383-3022 > >>> > >>> > >>> > >>> ------------------------------------------------------------------------- > >>> This SF.net email is sponsored by DB2 Express > >>> Download DB2 Express C - the FREE version of DB2 express and take > >>> control of your XML. No limits. Just data. 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Click to get it now. > >>http://sourceforge.net/powerbar/db2/ > >>_______________________________________________ > >>Jump-pilot-devel mailing list > >>Jump-pilot-devel@lists.sourceforge.net > >>https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > >> > >> > >> > > > > > > > > > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by DB2 Express > Download DB2 Express C - the FREE version of DB2 express and take > control of your XML. No limits. Just data. Click to get it now. > http://sourceforge.net/powerbar/db2/ > _______________________________________________ > Jump-pilot-devel mailing list > Jump-pilot-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > -- http://amusingprogrammer.blogspot.com/ ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Jump-pilot-devel mailing list Jump-pilot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
