Uses of Interface
org.apache.commons.chain.Command

Packages that use Command

Package	Description
org.apache.commons.chain	The fundamental API contracts for the Chain of Responsibilty Pattern as implemented in this package.
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.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.

Uses of Command in org.apache.commons.chain

Subinterfaces of Command in org.apache.commons.chain

Modifier and Type	Interface	Description
interface	Chain	A Chain represents a configured list of Commands that will be executed in order to perform processing on a specified Context.
interface	Filter	A Filter is a specialized Command that also expects the Chain that is executing it to call the postprocess() method if it called the execute() method.

Methods in org.apache.commons.chain that return Command

Modifier and Type	Method	Description
Command	Catalog.getCommand(String name)	Return the Command or Chain associated with the specified name, if any; otherwise, return null.
Command	CatalogFactory.getCommand(String commandID)	Return a Command based on the given commandID.

Methods in org.apache.commons.chain with parameters of type Command

Modifier and Type	Method	Description
void	Catalog.addCommand(String name, Command command)	Add a new name and associated Command or Chain to the set of named commands known to this Catalog, replacing any previous command for that name.
void	Chain.addCommand(Command command)	Add a Command to the list of Commands that will be called in turn when this Chain's execute() method is called.

Uses of Command in org.apache.commons.chain.generic

Classes in org.apache.commons.chain.generic that implement Command

Modifier and Type	Class	Description
class	CopyCommand	Copy a specified literal value, or a context attribute stored under the fromKey (if any), to the toKey.
class	DispatchCommand	An abstract base command which uses introspection to look up a method to execute.
class	DispatchLookupCommand	This command combines elements of the LookupCommand with the DispatchCommand.
class	LookupCommand	Look up a specified Command (which could also be a Chain) in a Catalog, and delegate execution to it.
class	RemoveCommand	Remove any context attribute stored under the fromKey.

Methods in org.apache.commons.chain.generic that return Command

Modifier and Type	Method	Description
protected Command	LookupCommand.getCommand(Context context)	Return the Command instance to be delegated to.

Methods in org.apache.commons.chain.generic with parameters of type Command

Modifier and Type	Method	Description
private Method	DispatchLookupCommand.extractMethod(Command command, Context context)	Extract the dispatch method.

Uses of Command in org.apache.commons.chain.impl

Classes in org.apache.commons.chain.impl that implement Command

Modifier and Type	Class	Description
class	ChainBase	Convenience base class for Chain implementations.

Fields in org.apache.commons.chain.impl declared as Command

Modifier and Type	Field	Description
protected Command[]	ChainBase.commands	The list of Commands configured for this Chain, in the order in which they may delegate processing to the remainder of the Chain.

Methods in org.apache.commons.chain.impl that return Command

Modifier and Type	Method	Description
Command	CatalogBase.getCommand(String name)	Return the Command associated with the specified name, if any; otherwise, return null.
(package private) Command[]	ChainBase.getCommands()	Return an array of the configured Commands for this Chain.

Methods in org.apache.commons.chain.impl with parameters of type Command

Modifier and Type	Method	Description
void	CatalogBase.addCommand(String name, Command command)	Add a new name and associated Command to the set of named commands known to this Catalog, replacing any previous command for that name.
void	ChainBase.addCommand(Command command)	See the Chain JavaDoc.

Constructors in org.apache.commons.chain.impl with parameters of type Command

Modifier	Constructor	Description
	ChainBase(Command command)	Construct a Chain configured with the specified Command.
	ChainBase(Command[] commands)	Construct a Chain configured with the specified Commands.

Uses of Command in org.apache.commons.chain.web

Classes in org.apache.commons.chain.web that implement Command

Modifier and Type	Class	Description
class	AbstractGetLocaleCommand	Abstract base Command implementation for retrieving the requested Locale from our Context, and storing it under the context attribute key returned by the localeKey property.
class	AbstractSetLocaleCommand	Abstract base Command implementation for setting the response locale for this response to the Locale stored under the context attribute key returned by the localeKey property.

Uses of Command in org.apache.commons.chain.web.portlet

Classes in org.apache.commons.chain.web.portlet that implement Command

Modifier and Type	Class	Description
class	PortletGetLocaleCommand	Concrete implementation of AbstractGetLocaleCommand for the Portlet API.
class	PortletSetLocaleCommand	Concrete implementation of AbstractSetLocaleCommand for the Portlet API.

Uses of Command in org.apache.commons.chain.web.servlet

Classes in org.apache.commons.chain.web.servlet that implement Command

Modifier and Type	Class	Description
class	PathInfoMapper	Command that uses the "path info" component of the request URI to select a Command from the appropriate Catalog, and execute it.
class	RequestParameterMapper	Command that uses a specified request parameter to select a Command from the appropriate Catalog, and execute it.
class	ServletGetLocaleCommand	Concrete implementation of AbstractGetLocaleCommand for the Servlet API.
class	ServletPathMapper	Command that uses the "servlet path" component of the request URI to select a Command from the appropriate Catalog, and execute it.
class	ServletSetLocaleCommand	Concrete implementation of AbstractSetLocaleCommand for the Servlet API.