Posted by KosherJava on May 8, 2008 - ג' אייר תשס"ח | Filed under: Software Dev, Zmanim
I was recently contacted by Jan Terje Johansen, a developer at Datek Wireless AS in Norway, with an interesting bug report. Datek uses the Zmanim API (the AstronomicalCalendar base class) to allow their clients (the power company and stadiums) to remotely (via a web interface) control streetlights and stadium lights throughout Norway using a wireless [...]
Posted by KosherJava on April 13, 2008 - ח' ניסן תשס"ח | Filed under: Software Dev, Zmanim
The Zmanim API was developed from the ground up as an API which allows for easy plugging in of different algorithms. The Zmanim API ships with 3 “Calculator” implementations. Two calculators implement the US Naval Observatory’s algorithm, the SunTimesCalculator and the ZmanimCalculator. Both produce identical zmanim using slightly different code and are included [...]
Posted by KosherJava on February 7, 2008 - א' אדר א' תשס"ח | Filed under: Software Dev, Zmanim
In December when developing the Zmanim/Bearing to Yerushalayim map (blog post), I noticed a problem with the code used to generate zmanim. The API returns a Java Date object. Usually only the time is of interest, and the date is ignored, but in some cases (when a timezone offset is specified without using the Olson [...]