| org.apache.commons.chain.apps.example | |
| org.apache.commons.chain.config | Optional package for configuring command chains in a catalog (using Digester) from an XML configuration file. |
| org.apache.commons.chain.generic | Concrete implementations of generic Commands that are useful in many different environments, not tied to a particular tier such as Servlets). |
| org.apache.commons.chain.impl | Convenient base implementations of Chain of Responsibility Pattern contracts from org.apache.commons.chain . |
| org.apache.commons.chain.web | Basis for specialized Context implementations suitable for use in web applications, and generic Command implementations useful across web application environments. |
| org.apache.commons.chain.web.faces | Specialized Context and Command implementations suitable for use in a JavaServer Faces API environment. |
| org.apache.commons.chain.web.portlet | Specialized Context and Command implementations suitable for use in a Portlet API environment. |
| org.apache.commons.chain.web.servlet | Specialized Context and Command implementations suitable for use in a Servlet API environment. |
| Catalog | A Catalog is a collection of named Command s (or Chain s) that can be used to retrieve the set of commands that should be performed based on a symbolic identifier. |
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| Chain | A Chain represents a configured list of Command s that will be executed in order to perform processing on a specified Context . |
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| Command | A Command encapsulates a unit of processing work to be performed, whose purpose is to examine and/or modify the state of a transaction that is represented by a Context . |
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| Context | A Context represents the state information that is accessed and manipulated by the execution of a Command or a Chain . |
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| Filter | A Filter is a specialized Command that also expects
the Chain that is executing it to call the
|
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| CatalogFactory | A CatalogFactory is a class used to store and retrieve Catalog s. |
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The fundamental API contracts for the Chain of Responsibilty Pattern as
implemented in this package. See
org.apache.commons.chain.impl for
convenient base implementations of Chain and Context,
and see org.apache.commons.chain.web for
specialized Context implementations suitable for use in web
applications.