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cmdproc
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Abstract
The cmdproc library provides a framework for automated
command processing in Java.
A command processor manages a set of commands and their individual
parameters like environment, arguments and return values. It ensures
that each command is executed with a proper environment and argument
list and validates its return values.
The cmdproc API indends to take care of all the unpleasant things
developers usually have to worry about:
- Easy and precise specification of mandatory and optional
environment, argument and result parameters with unrestricted
complexity.
- Automated validation of the specified parameters in structure
and type belonging.
- Automated command and argument parsing.
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Development
The cmdproc API is currently developed for Java 2 version 1.4.2. A
modified API optimized for Java 5 may be designed when the basic API is
complete.
Expected Milestones
- 0.1 Running demo application
- 0.2 XML input format and matching builders
- 0.3 API for default parameter values. [skipped]
- 0.4 API for parameter conditions.
- 0.5 API cleanup and improvements. [skipped]
Cleanup is included in version 0.6. Further improvements are
expected after version 0.7.
- 0.6 Reflection support for parameter
conditions.
- 0.7 Support for dependent conditions.
Conditions may relate to the values of other parameters
- 0.8 Command groups and default values.
- 0.9 XML input format improvements
- 1.0 Cleanup, API improvements and complete
documentation
News
2005-11-15 Switched to SVN repository.
2005-03-23 Version 0.8 is released. This is an
important release because the library finally includes all the feature I
intended to implement. It includes a simple demo application to give you
an impression how it can be used. Take a look!
2005-02-12 Version 0.7 released. The parameter
values of each level are added to a condition context. Through this
context a condition can refer to the values of all parameter from a
lower level. This works with OGNL expressions, too!
2005-02-08 Version 0.6 released. Conditions can be
defined through an OGNL expression (which evaluates to a boolean value).
See the OGNL website for details on
the OGNL language.
2005-02-01 An API for default parameters was
skipped, because is is actually not necessary at the moment and can be
easily simulated.
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