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Velocity Tools
Generic Tools
Tool Documentation
Other Subprojects
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Overview
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GenericTools contains a collection of reusable and well
documented tools and utility classes of general interest
to Velocity users. These classes and tools have no dependency
on the VelocityView or VelocityStruts sub-projects. The tools may
be used as you would any other POJO ("plain old java object").
Tools:
- DateTool and ComparisonDateTool
- A tool for manipulating and formatting dates and an extension of that tool with the added ability to compare dates and describe the periods between them.
- MathTool
- A tool for performing floating point math.
- NumberTool
- A tool for formatting numbers.
- RenderTool
- A tool to evaluate and render arbitrary strings of VTL (Velocity
Template Language).
- EscapeTool
- A tool to help with common escaping needs in Velocity templates.
- ResourceTool
- A tool to simplify access to ResourceBundles for internationalization or other dynamic content needs.
- Alternator
and AlternatorTool
- Utility class for easily alternating over values in a list and tool for easy creation of Alternators in templates.
- ValueParser
- A tool to retrieve and parse String values pulled from a map. This provides
the basis for the ParameterParser in
VelocityView.
- ListTool
- A tool to help when working with arrays or Lists. This tool transparently handles both the same way.
- SortTool
- A tool that allows a user to sort a collection (or array, iterator, etc)
on any arbitary set of properties exposed by the objects contained within
the collection.
- IteratorTool
- A convenience tool to use with #foreach loops. It wraps a list
to let the designer specify a condition to terminate the loop,
and reuse the same list in different loops.
Utilities:
- CommonsLogLogSystem
- An implementation of Velocity's LogSystem interface that redirects
log output to a Commons-Logging Log instance.
- LogSystemCommonsLog
- An implementation of Commons-Logging's Log interface that redirects
log output to Velocity's LogSystem.
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Contributions
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We welcome your contributions to this library. Patches can be sent to the
mailing list or attached to a
JIRA
issue. The Wiki
can also be a good place to discuss and develop ideas.
Checklist for Contributions
- Velocity coding conventions
- JavaDoc included (the more detailed the better)
- Examples included (in JavaDoc or as stand-alone template example)
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