Welcome to the Jakarta Commons Wiki

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http://jakarta.apache.org/commons/images/logo.png

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We're a \[wiki:Jakarta/FrontPage Jakarta\] community, dedicated to creating reusable library components in Java. 

JakartaCommonsEtiquette contains observations and opinions aimed at explaining some of the peculiarities of Jakarta Commons.

Components

On this wiki:

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  \[:BeanUtils\] - BeanUtils is a collection of bean related libraries.

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  \[:Betwixt\] - Betwixt provides services for mapping JavaBeans to XML documents, and vice versa.

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  \[:Chain\] - A "Chain of Responsibility" pattern implemention for organizing complex processing flows.

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  \[:Codec\] - Codec contains some general encoding/decoding algorithms. Includes some phonetic encoders, Hex, Base64, and a URL encoder.

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  \[:Collections\] - Collections builds upon the Java Collections Framework of List, Set and Map to provide many more implementations, new collections and abstract base classes.

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  \[:Configuration\] - Tools to assist in the reading of configuration/preferences files in various formats

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  \[:DBCP\] - DBCP provides database connection pooling services.

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  \[:Digester\] - Digester is an XML-to-Java-object mapping utility commonly used for parsing XML configuration files.

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  \[http://wiki.apache.org/jakarta-httpclient/FrontPage HttpClient\] - HttpClient provides a framework for working with the client-side of the HTTP protocol.

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  \[:IO\] - IO library inlcuding utility classes, stream implementations, file filters and endian classes.

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  \[:JEXL\] - A velocity-esque expression interpreter

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  \[:Jelly\] - A XML-based scripting language

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  \[:Lang\] - Lang provides a set of common utilities that should be provided by the JDK, including String handling, Object and Date helpers, nested exceptions and enumerated types.

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  \[:Launcher\] - The Launcher component is designed to be a cross platform Java application launcher. It eliminates the need for a batch or shell script to launch a Java class.

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  \[:Logging\] is a thin, modular bridging API with out-of-the-box support for the most well known logging system

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  \[:Math\] is a library of lightweight, self-contained mathematics and statistics components.

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  \[:Modeler\] provides mechanisms to create Model MBeans compatible with the Java Management Extensions (JMX) specification.

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  \[:Net\] - Net is a collection of classes implementing various network protocols such as FTP, NNTP, SMTP, Telnet.

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  \[:Pool\] - Pool provides a generic object pooling interface, a toolkit for creating modular object pools and several general purpose pool implementations.

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  \[:Resources\] - A lightweight framework for defining and looking up internationalized message strings.

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  \[:Transaction\] - Transaction provides utility classes commonly used in transactional programming

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  \[:Validator\] - Validator provides components for user input validation

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  \[:FeedParser\] - RSS and Atom parsing infrastructure \\

On the commons site:

• http://jakarta.apache.org/commons/components.html
  

Sandbox

TheSandbox is an open workspace for jakarta committers. This is also divided into components.

Third Party Resources

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  \[JakartaCommonsResources\]

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  \[http://morph.sourceforge.net Morph\] - alpha framework based on ideas from [BeanUtils] (\[http://morph.sourceforge.net/alternatives/beanutils.html read comparison to Morph\]), [CommonsConvert] and [CommonsChain]. Also will support functionality in \[:JEXL\] (\[http://morph.sourceforge.net/alternatives/jexl.html read comparison to Morph\]). \\

Developer Documentation

• MovingFromSandboxToProper
  
• CreatingStandardWebPresence
  

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  [GettingInvolved] - General Documentation for all Apache Commiters and [ReleaseManager] concerning various subjects (like [SigningReleases], [MavenRepository], and \[:Mirroring\]) \\

• ComponentTemplate - Use this template when creating the main wiki page for a component.
  
• AutomatedIdeas - some ideas on how increased automation could help us (HenriYandell)
  
• SubversionConversion - a proposed set of svn instructions for infrastructure.

*Q:* Little request: Can we PLEASE have a single javadoc tree for all commons components?  
I am getting tired of switching between dbcp, loggin, and pool.  
Especially when I am following one line of calls or inheritance.  
Thanks, Angus

*A:* Sure, it should be relatively easy, why not take some initiative and do it yourself?

Proposed solution: \[http://www.apache.org/~bayard/multidoc/commons-multidoc/ Multidoc\] has just been set up as part of the \[wiki:ApacheGeneral:FrontPage big Apache Wiki Farm\]. It does not contain anything yet.

'Special' Wiki pages

TitleIndex
A list of all pages on this wiki.

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