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Welcome to the Jakarta Commons Wiki

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

This is the [wiki:ApacheGeneral/FrontPage Apache Wiki] for the [http://jakarta.apache.org/commons Jakarta Commons] project and is maintained by the [wiki:Jakarta/FrontPage Jakarta] community. To edit pages, visit [wiki:UserPreferences login] near the top right corner of any page to create a user profile or to login. Notifications of all changes you make will be sent to the commons-dev@jakarta mailing list, so we will be aware of your changes and we will happily correct any small mistakes that you might make.

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We're a [http://wiki.apache.org/jakarta/FrontPage Jakarta] community, dedicated to creating reusable library components in Java. Jakarta Commons is now using [http://subversion.tigris.org/ Subversion] as the version control system.

Welcome: JakartaCommonsEtiquette | JakartaCommonsResources | ArticlesAndTutorials

Developers: GettingInvolved | [:UsingSVN]

Committers: CommonsPeople | ComponentPlans | CommonsCommitters

Bug Reports: [http://issues.apache.org/jira/secure/Dashboard.jspa Jira]

Components

On this wiki:

  • [:BeanUtils] - Utilities for manipulating java beans, including copying properties, cloning, invoking methods and type conversion.

  • [:Betwixt] - Services for mapping JavaBeans to XML documents, and vice versa.

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

  • [:CLI] - Command Line Interface library for processing command-line options and arguments.

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

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

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

  • [:Daemon] - Run (java) applications as windows service or UNIX daemon.

  • [:DBCP] - Database connection pooling services.

  • [:Digester] - An XML-to-Java-object mapping utility commonly used for parsing XML configuration files.

  • [:Email] - Simplify email sending with Java. Built on top of the Java Mail API.

  • [:FileUpload] - Makes it easy to add robust, high-performance, file upload capability to your servlets and web applications

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

  • [:IO] - Utility classes, stream implementations, file filters and endian classes to assist in input/output operations.

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

  • [:Jelly] - An XML-based scripting language

  • [:JXPath] - Facilities for applying xpath expressions to graphs of objects of all kinds: Java beans, Maps, Servlet contexts, DOM etc.

  • [:Lang] - Common utilities that should be provided by the JDK, including String handling, Object and Date helpers, nested exceptions and enumerated types.

  • [:Launcher] - A cross platform Java application launcher which eliminates the need for a batch or shell script to launch a Java class.

  • [:Logging] A thin, modular bridging API with out-of-the-box support for the most well known logging systems.

  • [:Math] Lightweight, self-contained mathematics and statistics components.

  • [:Modeler] Mechanisms to create Model MBeans compatible with the Java Management Extensions (JMX) specification.

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

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

  • [:SCXML] - A Java implementation of State Chart XML (SCXML), currently a W3C Working Draft.

  • [:Transaction] - Utility classes commonly used in transactional programming

  • [:Validator] - Components for user input validation

  • [:VFS] - Extensible framework to acces various filesystems through an unified api with implementations for e.g. sftp, smb, http, zip, ...

On the commons site:

Sandbox

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

On this wiki:

  • [:Id] - Generators for identifiers

  • [:CommonsCsv] - Proposed new component

  • [:Metadata] - Proposed new component which provides a class metadata API similar to that of JDK5

  • [:Compress] - Defines an API for working with tar, zip and bzip2 files

Dormant

Sandbox components that are currently inactive. On this wiki:

  • [:CommonsConvert] - Various conversion ideas extracted from [:BeanUtils]

  • [:FeedParser] - RSS and Atom parsing infrastructure

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

'Special' Wiki pages

See SpecialWikiPages for a basic guide to using this wiki, a full-text search of this wiki, a title index, orphaned and random pages, stats, and information about this wiki installation and available extensions.

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