[sane-devel] unsubscribe

Dwight Stone pegasus at themacisp.net
Wed Nov 5 21:13:57 GMT 2003 

unsubscribe

> From: "Chris Chesney" <cchesney at go-integral.com>
> Date: Mon, 3 Nov 2003 18:13:23 -0600
> To: <sane-devel at lists.alioth.debian.org>
> Subject: RE: [sane-devel] Java API (japi) Changes
> 
> Hi Klemens,
> 
> It sounds like we could benefit from each others efforts.  I am not
> familiar with the changes Silvio made.  Can you give me more details
> regarding this?  We have taken the Sane wrapper code (the files listed
> under #2 below) and converted them into a package.  We have also fixed a
> few bugs in the Sane.c code and that's as far as we've taken it.  We
> have not contributed this back yet, because we need to resolve a few
> design issues with this community.
> 
>> From Henning's comments, it sounds like we're at liberty to morph this
> as needed and if we contribute something back that works, everyone is
> happy.  At a minimum, I would suggest we separate the wrapper code from
> the example Swing apps.  Let me know your thoughts and we'll go from
> there.
> 
> Chris
> 
> -----Original Message-----
> From: Klemens Dickbauer [mailto:klemens.dickbauer at msk-informatik.at]
> Sent: Sunday, November 02, 2003 3:37 PM
> To: sane-devel at lists.alioth.debian.org
> Subject: Re: [sane-devel] Java API (japi) Changes
> 
> Hi Chris and Henning!
> 
> I also started some work on the Java Api. My aim is to provide a
> scan-wrapper 
> that would also work under other OSes (like similar solutions in Java).
> Since 
> the Windows side (TWAIN) is not easy to handle when you want to stay
> pretty 
> close to OSS I started with some work on the SANE side.
> I would be pretty happy to coordinate myself with other people working
> on the 
> Sane Java-API.
> 
> How far is work ongoing on your side? I started with the changes of
> Silvio 
> (thanks to him) already a few month ago but unfortunately had to back
> down 
> the last weeks because of a lot of work in my office...
> 
> i hope i can contribute to the project,
> ~klemens
> 
> Am Freitag, 31. Oktober 2003 10:58 schrieb Henning Meier-Geinitz:
>> Hi,
>> 
>> sorry for the late response. I hoped someone else would answer :-)
>> 
>> On Fri, Oct 24, 2003 at 03:08:58PM -0500, Chris Chesney wrote:
>>> We've created a beta version of a web-based document management
>>> system that we hope to provide as an open source solution if the
>>> product matures.
>> 
>> Ah, sound nice.
>> 
>>> The solution is Java based and our intent was to
>>> use the JNI wrappers provided in the japi directory as means to
>>> control the backend scanning.  We're learning as we go, but this is
>>> what we've done so far:
>> 
>> Thanks for the comments. Unfortunetely I don't know anything about
>> java and I'm not even able to run "make" in japi/. Well I am, but it
>> 
>> doesn't work:
>> | javac Sane.java
>> | javah -jni Sane
>> | couldn't find class SaneOption
>> | couldn't find class SaneParameters
>> | make: *** [Sane.h] Fehler 1
>> 
>> After setting classpath to . :
>> | javac --classpath . Jscanimage.java
>> | Jscanimage.java:715: Warnung: Discouraged redundant use of public'
>> | modifier in declaration of abstract method setFromControl'.
>> |        public void setFromControl();       // Ask SANE control
> for
>> |        current value.
>> |        ^
>> | Jscanimage.java:68: error: Class or interface
>> | com.sun.java.swing.event.ChangeListener' not found in import.
>> |    import com.sun.java.swing.event.ChangeListener;
>> |           ^
>> | Jscanimage.java:95: error: Type JButton' not found in declaration of
>> | field scanButton'.
>> |        private JButton scanButton, previewButton;
>> |                ^
>> | Jscanimage.java:0: confused by earlier errors, bailing out
>> 
>> Well, I'm using gcj et al, maybe that just doesn't work or I'm missing
>> something.
>> 
>>> 1.  Fixed a bug in Sane.c - Line 268 should be
>>> jclass stringClass = (*env)->FindClass(env, "java/lang/String");
>>> *NOT*
>>> jclass stringClass = (*env)->FindClass(env, "String");
>> 
>> Ok.
>> 
>>> 2.  Added a package statement to the following 5 java classes.  For
>>> our purposes, I called the package japi.  It would be more
>>> appropriate to follow the typical package naming convention and
> would
>>> ask for a suggestion from you if you want this committed to the
>>> project.
>>> 
>>> - SaneDevice.java
>>> - SaneOption.java
>>> - SaneParameters.java
>>> - SaneRange.java
>>> - Sane.java
>> 
>> No idea. What is the "typical package naming convention"? The pacakge
>> containing the java api is called "sane-backends". Maybe we should
>> split the japi stuff from sane-backends anyway.
>> 
>>> 3.  By making these files part of a package, Sane.c requires an
>>> additional change to make the object references fully qualified.
>> 
>> Well, as I said I have no idea about the details of Java. So I ask
>> anyone with some experiences with java to just send a patch (and an
>> update of the documentation) to get it working :-)
>> 
>>> We haven't done anything with the Swing app that is included in the
>>> japi directory because we lack the experience in Swing and it isn't
>>> necessary for the project we're working on.  If your interested in
>>> separating the wrapper code from the example java apps, we're almost
>>> there and would be happy to work with you to get it committed.
>> 
>> That sounds reasonable. Patches are welcome. But that's stuff for
>> after the release of sane-backends 1.0.13.
>> 
>>> if you were looking for more of a complete overhaul of the entire
>>> directory, we're probably not up for the challenge.
>> 
>> I'd appreciate if I could just run "make" and everything would work
>> out-of-the-box. Well, maybe with the appropriate java development kit
>> installed it would...
>> 
>> Bye,
>> Henning
>> 
>> _______________________________________________
>> sane-devel mailing list
>> sane-devel at lists.alioth.debian.org
>> http://lists.alioth.debian.org/mailman/listinfo/sane-devel
> 
> -- 
> Klemens Dickbauer, MSK Informatik GesmbH
> 
> 
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