com.clearlydecoded.commander

Class DefaultCommandHandlerRegistry

java.lang.Object

com.clearlydecoded.commander.DefaultCommandHandlerRegistry

All Implemented Interfaces:

CommandHandlerRegistry

public class DefaultCommandHandlerRegistry
extends Object
implements CommandHandlerRegistry

DefaultCommandHandlerRegistry class is the default implementation of the CommandHandlerRegistry interface.

Author:

Yaakov Chaikin (yaakov@ClearlyDecoded.com)

Constructor Summary

Constructors

Constructor and Description
DefaultCommandHandlerRegistry()

Method Summary

Modifier and Type	Method and Description
void	addHandler(CommandHandler<? extends Command<? extends CommandResponse>,? extends CommandResponse> commandHandler) Adds commandHandler to the commandHandler registry.
void	addHandlers(List<? extends CommandHandler<? extends Command<? extends CommandResponse>,? extends CommandResponse>> commandHandlers) Adds commandHandlers to the handler registry.
CommandHandler<? extends Command<? extends CommandResponse>,? extends CommandResponse>	getHandlerFor(String commandType) Retrieves concrete CommandHandler for the type of the command.
List<CommandHandler<? extends Command<? extends CommandResponse>,? extends CommandResponse>>	getHandlers() Retrieve all handlers successfully registered in the command handler registry.
void	removeHandler(String commandType) Removes command handler which handles commandtype type of Command from the handler registry.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DefaultCommandHandlerRegistry

public DefaultCommandHandlerRegistry()

Method Detail

addHandler

public void addHandler(CommandHandler<? extends Command<? extends CommandResponse>,? extends CommandResponse> commandHandler)

Description copied from interface: CommandHandlerRegistry

Adds commandHandler to the commandHandler registry.

Specified by:

addHandler in interface CommandHandlerRegistry

Parameters:

commandHandler - Handler to add to the commandHandler registry.

addHandlers

public void addHandlers(List<? extends CommandHandler<? extends Command<? extends CommandResponse>,? extends CommandResponse>> commandHandlers)

Description copied from interface: CommandHandlerRegistry

Adds commandHandlers to the handler registry.

Specified by:

addHandlers in interface CommandHandlerRegistry

Parameters:

commandHandlers - List of commandHandlers to add to the handler registry.

getHandlerFor

public CommandHandler<? extends Command<? extends CommandResponse>,? extends CommandResponse> getHandlerFor(String commandType)

Description copied from interface: CommandHandlerRegistry

Retrieves concrete CommandHandler for the type of the command. If not found, returns null.

Specified by:

getHandlerFor in interface CommandHandlerRegistry

Parameters:

commandType - Command type identifier that is unique system-wide.

Returns:

An instance of a concrete implementation of CommandHandler based on the commandType. If no handler is found for the command type, returns null.

removeHandler

public void removeHandler(String commandType)

Description copied from interface: CommandHandlerRegistry

Removes command handler which handles commandtype type of Command from the handler registry.

Specified by:

removeHandler in interface CommandHandlerRegistry

Parameters:

commandType - Command type identifier that is unique system-wide.

getHandlers

public List<CommandHandler<? extends Command<? extends CommandResponse>,? extends CommandResponse>> getHandlers()

Description copied from interface: CommandHandlerRegistry

Retrieve all handlers successfully registered in the command handler registry.

Specified by:

getHandlers in interface CommandHandlerRegistry

Returns:

List of successfully discovered and registered command handlers. If none are registered, returns an empty list.