Commons Proper
The Commons Proper is dedicated to creating and maintaining reusable Java components. The Commons Proper is a place for collaboration and sharing, where developers from throughout the Apache community can work together on projects to be shared by Apache projects and Apache users. Commons developers will make an effort to ensure that their components have minimal dependencies on other software libraries, so that these components can be deployed easily. In addition, Commons components will keep their interfaces as stable as possible, so that Apache users, as well as other Apache projects, can implement these components without having to worry about changes in the future.
In August 2006, there were over thirty projects in the Commons Proper, falling into five general categories.
| Component Category | Example |
|---|---|
| Packages | Codec and Modeler |
| Trivial | CLI, Discovery, Lang, and Collections |
| Utilities | BeanUtils, Configuration, Logging, DBCP, Pool, and Validator |
| Web-related | FileUpload and Net |
| XML-related | Betwixt, Digester, Jelly, and JXPath |
Table from (Goyal 2003)
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