Commons Chain - A popular technique for organizing the execution of complex processing flows is the "Chain of Responsibility" pattern, as described (among many other places) in the classic "Gang of Four" design patterns book. Although the fundamental API contracts required to implement this design patten are extremely simple, it is useful to have a base API that facilitates using the pattern, and (more importantly) encouraging composition of command implementations from multiple diverse sources.

JAR File Size and Download Location:

File name: commons-chain.jar, commons-chain-1.2.jar
File size: 91699 bytes
Date modified: 02-Jun-2008
Download: Apache Commons Chain

Manifest of the JAR:

Archiver-Version: Plexus Archiver
Built-By: Niall Pemberton
Build-Jdk: 1.5.0_07
Implementation-Title: Commons Chain
Implementation-Vendor: The Apache Software Foundation
Implementation-Vendor-Id: org.apache
Implementation-Version: 1.2
Specification-Title: Commons Chain
Specification-Vendor: The Apache Software Foundation
Specification-Version: 1.2
X-Compile-Source-JDK: 1.3
X-Compile-Target-JDK: 1.3
Bundle-License: http://www.apache.org/licenses/LICENSE-2.0.txt
Bnd-LastModified: 1212079535468
Bundle-Version: 1.2
Bundle-Name: Commons Chain
Bundle-Description: An implementation of the GoF Chain of Responsibility pattern
Bundle-DocURL: http://commons.apache.org/chain/
Bundle-ManifestVersion: 2
Bundle-Vendor: The Apache Software Foundation
Bundle-SymbolicName: org.apache.commons.chain
Tool: Bnd-0.0.238
DynamicImport-Package: javax.portlet

List of Classes in the JAR:

org/apache/commons/chain/Catalog
org/apache/commons/chain/CatalogFactory
org/apache/commons/chain/Chain
org/apache/commons/chain/Command
org/apache/commons/chain/config/ConfigCatalogRule
org/apache/commons/chain/config/ConfigDefineRule
org/apache/commons/chain/config/ConfigParser
org/apache/commons/chain/config/ConfigRegisterRule
org/apache/commons/chain/config/ConfigRuleSet
org/apache/commons/chain/Context
org/apache/commons/chain/Filter
org/apache/commons/chain/generic/CopyCommand
org/apache/commons/chain/generic/DispatchCommand
org/apache/commons/chain/generic/DispatchLookupCommand
org/apache/commons/chain/generic/LookupCommand
org/apache/commons/chain/generic/RemoveCommand
org/apache/commons/chain/impl/CatalogBase
org/apache/commons/chain/impl/CatalogFactoryBase
org/apache/commons/chain/impl/ChainBase
org/apache/commons/chain/impl/ContextBase
org/apache/commons/chain/web/AbstractGetLocaleCommand
org/apache/commons/chain/web/AbstractSetLocaleCommand
org/apache/commons/chain/web/ChainListener
org/apache/commons/chain/web/ChainResources
org/apache/commons/chain/web/ChainServlet
org/apache/commons/chain/web/faces/FacesGetLocaleCommand
org/apache/commons/chain/web/faces/FacesSetLocaleCommand
org/apache/commons/chain/web/faces/FacesWebContext
org/apache/commons/chain/web/MapEntry
org/apache/commons/chain/web/portlet/PortletApplicationScopeMap
org/apache/commons/chain/web/portlet/PortletGetLocaleCommand
org/apache/commons/chain/web/portlet/PortletInitParamMap
org/apache/commons/chain/web/portlet/PortletParamMap
org/apache/commons/chain/web/portlet/PortletParamValuesMap
org/apache/commons/chain/web/portlet/PortletRequestScopeMap
org/apache/commons/chain/web/portlet/PortletSessionScopeMap
org/apache/commons/chain/web/portlet/PortletSetLocaleCommand
org/apache/commons/chain/web/portlet/PortletWebContext
org/apache/commons/chain/web/servlet/ChainProcessor
org/apache/commons/chain/web/servlet/PathInfoMapper
org/apache/commons/chain/web/servlet/RequestParameterMapper
org/apache/commons/chain/web/servlet/ServletApplicationScopeMap
org/apache/commons/chain/web/servlet/ServletCookieMap
org/apache/commons/chain/web/servlet/ServletGetLocaleCommand
org/apache/commons/chain/web/servlet/ServletHeaderMap
org/apache/commons/chain/web/servlet/ServletHeaderValuesMap
org/apache/commons/chain/web/servlet/ServletInitParamMap
org/apache/commons/chain/web/servlet/ServletParamMap
org/apache/commons/chain/web/servlet/ServletParamValuesMap
org/apache/commons/chain/web/servlet/ServletPathMapper
org/apache/commons/chain/web/servlet/ServletRequestScopeMap
org/apache/commons/chain/web/servlet/ServletSessionScopeMap
org/apache/commons/chain/web/servlet/ServletSetLocaleCommand
org/apache/commons/chain/web/servlet/ServletWebContext
org/apache/commons/chain/web/WebContext