ecl-datepicker is open source Java code for a set of user controls and utilities for calendarized date functions in SWT-based applications. It supports internationalized text and international date ordering/format, and is time zone aware.
ecl-datepicker provides both field and graphical capabilities, and is licensed under an Eclipse Public License.
Incorporates all (sub-)controls into a combo control
A wide variety of date handling techniques are used as helper classes in ecl-datepicker, and may be useful to your application (with, or outside of ecl-datepicker). They are described in the API reference.
The project can be found on SourceForge. Note: As of initial release, the project is providing SVN access only.