[jsword-devel] Update on JSword

Manfred Bergmann bergmannmd at web.de
Sun Oct 11 05:04:31 MST 2009

DM, can you watch JIRA JS-11 and JS-12?
We could do more task discussion there.


Am 08.10.2009 um 00:30 schrieb DM Smith:

> Manfred,
> I've filled in the wiki page. Take a look.
> DM
> On Oct 7, 2009, at 9:38 AM, DM Smith <dmsmith at crosswire.org> wrote:
>> Manfred,
>> I've started a page in the wiki (http://crosswire.org/wiki/DevTools:JSword/Personal_Commentary 
>> ) as a whiteboard for communicating this information.
>> DM
>> On Oct 6, 2009, at 3:23 AM, Manfred Bergmann wrote:
>>> Am 05.10.2009 um 22:58 schrieb DM Smith:
>>>> On 10/05/2009 04:10 PM, Manfred Bergmann wrote:
>>>>> Am 05.10.2009 um 14:22 schrieb DM Smith:
>>>>>> On Oct 5, 2009, at 9:09 AM, Manfred Bergmann wrote:
>>>>>>> Hi.
>>>>>>> I think switching to Java 1.5 is a good decision.
>>>>>>> As you said Java 1.5 is available for Mac OSX 10.4 and AFAIR  
>>>>>>> this was the only door stopper.
>>>>>>> Then it would also be nice to get Generics in JSword.
>>>>>>> What actually is missing to bring JSword up to speed with C++  
>>>>>>> Sword?
>>>>>> The biggest things: av11n and ability to write modules (which  
>>>>>> supports personal commentary). We probably should add FTP back  
>>>>>> in. (Try to use HTTP first and on failure go to FTP  
>>>>>> automatically)
>>>>> av11n I think is too big a challenge for me but I could have a  
>>>>> look at writing modules.
>>>> That sounds great. I'll tackle the av11n. It will be hard.
>>>>> AFAIHS the low-level stuff is in jsword-sword and I guess here  
>>>>> is the actual writing code to be implemented?
>>>> The implementation will be in JSword. I can point you to the  
>>>> classes that will need to change and I can document the layout of  
>>>> the files too.
>>> Ok, that would be great.
>>> Can we manage new features and all this update stuff in JIRA?
>>> I've already set up the project in IDEA, so I'm ready to go. :)
>>>>>> I'm sure there are others, but I haven't thought about it in a  
>>>>>> long time.
>>>>> Did you need some distance from the project? Or were you busy  
>>>>> with other things?
>>>> I guess it was a little bit of both. I was busy with family  
>>>> obligations and work. The big family events are past and work has  
>>>> just eased up a bit. But then I just didn't get back into it.
>>>>> Manfred
>>>>>>> Am 05.10.2009 um 13:22 schrieb DM Smith:
>>>>>>>> I'm working on JSword again after a long time of not being  
>>>>>>>> able to.
>>>>>>>> A couple of notes:
>>>>>>>> I've upgraded all the QA tools (e.g. findbugs, checkstyle)  
>>>>>>>> and in the process broke the nightly build. I'll fix that  
>>>>>>>> shortly.
>>>>>>>> I am applying patches, fixing bugs, upgrading 3-rd party  
>>>>>>>> components and satisfying requests that others have made. I  
>>>>>>>> checked in a change for Tonny the other night. (Tonny  
>>>>>>>> hopefully you grabbed that. If not you might need to build  
>>>>>>>> the jars yourself.)
>>>>>>>> If you develop on a Mac in Eclipse and have upgraded to Snow  
>>>>>>>> Leopard, you'll need to go into Preferences -> Java and  
>>>>>>>> delete all the JREs and re-add them. Without doing that, it  
>>>>>>>> will not let you run the program w/in Eclipse.
>>>>>>>> Lucene has just released version 2.9. This is in preparation  
>>>>>>>> for the 3.0 release, with the only real difference between  
>>>>>>>> the two is that deprecations are being removed. The second  
>>>>>>>> minor difference is that 3.0 will require Java 5 as it is  
>>>>>>>> introducing Generics into the API (supposedly in a backward  
>>>>>>>> compatible, drop-in the new jar, kind of way. We'll see.) I'm  
>>>>>>>> working on upgrading to it. Lots has changed internally. The  
>>>>>>>> impact to JSword is that our lucene search indexes will need  
>>>>>>>> to be rebuilt, requiring us to finish their versioning and  
>>>>>>>> handling a version difference in the front-ends.
>>>>>>>> Speaking of Snow Leopard for Mac OSX. Our policy has been to  
>>>>>>>> support old OSes for a long time, but not forever. I.E. the  
>>>>>>>> current and two prior. Soon we'll be dropping support for  
>>>>>>>> Panther, which came out 6 years ago this month. (A year and a  
>>>>>>>> half ago Panther was on 23% of all Macs.) This will happen  
>>>>>>>> when we go to Lucene 3.0 and Java 5. (Note: Tiger does not  
>>>>>>>> install Java 5 but it is available for install. We'll need to  
>>>>>>>> provide notes.) I'd still like to release ELEPHANT (see other  
>>>>>>>> threads or JIRA for a description) as the last Java 1.4  
>>>>>>>> application.
>>>>>>>> With the new version of Lucene, I am a new method to  
>>>>>>>> PassageTally called getTotal and SearchModifier with (set/get) 
>>>>>>>> MaxResults. This optimization will give us a place to hang  
>>>>>>>> the total number of hits in a search request when the user  
>>>>>>>> only wants to see the top 20 or so. The current code would  
>>>>>>>> prioritize all the verses coming back from a search and then  
>>>>>>>> sort them. These results were then pruned to the top N  
>>>>>>>> verses. Lucene has now simplified how this can happen with  
>>>>>>>> its new Collector method. There is a Collector that only  
>>>>>>>> retains the hits that have a higher score than the N-th one  
>>>>>>>> with the lowest score, but counts all of them. PassageTally  
>>>>>>>> is at its best when it is small. So now only the top N are  
>>>>>>>> put into the PassageTally and the total hits are recorded.
>>>>>>>> Lucene has also introduced new Arabic and Persian analyzers.  
>>>>>>>> These will make searches on those much nicer. I'll need some  
>>>>>>>> testing volunteers for that when I've got it all checked in.
>>>>>>>> In His Service,
>>>>>>>> DM Smith
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