Package com.puppycrawl.tools.checkstyle.checks.indentation

Class HandlerFactory

java.lang.Object

com.puppycrawl.tools.checkstyle.checks.indentation.HandlerFactory

public class HandlerFactory
extends Object

Factory for handlers. Looks up constructor via reflection.

Field Summary

Fields

Modifier and Type	Field	Description
private Map<DetailAST,AbstractExpressionHandler>	createdHandlers	Cache for created method call handlers.
private Map<Integer,Constructor<?>>	typeHandlers	Registered handlers.

Constructor Summary

Constructors

Constructor	Description
HandlerFactory()	Creates a HandlerFactory.

Method Summary

Modifier and Type	Method	Description
void	clearCreatedHandlers()	Clears cache of created handlers.
private AbstractExpressionHandler	createMethodCallHandler(IndentationCheck indentCheck, DetailAST ast, AbstractExpressionHandler parent)	Create new instance of handler for METHOD_CALL.
int[]	getHandledTypes()	Gets list of registered handler types.
AbstractExpressionHandler	getHandler(IndentationCheck indentCheck, DetailAST ast, AbstractExpressionHandler parent)	Get the handler for an AST.
boolean	isHandledType(int type)	Returns true if this type (form TokenTypes) is handled.
private <T> void	register(int type, Class<T> handlerClass)	Registers a handler.

Methods inherited from class java.lang.Object

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

Field Detail

typeHandlers

private final Map<Integer,Constructor<?>> typeHandlers

Registered handlers.

createdHandlers

private final Map<DetailAST,AbstractExpressionHandler> createdHandlers

Cache for created method call handlers.

Constructor Detail

HandlerFactory

public HandlerFactory()

Creates a HandlerFactory.

Method Detail

register

private <T> void register(int type,
                          Class<T> handlerClass)

Registers a handler.

Type Parameters:

T - type of the handler class object.

Parameters:

type - type from TokenTypes

handlerClass - the handler to register

isHandledType

public boolean isHandledType(int type)

Returns true if this type (form TokenTypes) is handled.

Parameters:

type - type from TokenTypes

Returns:

true if handler is registered, false otherwise

getHandledTypes

public int[] getHandledTypes()

Gets list of registered handler types.

Returns:

int[] of TokenType types

getHandler

public AbstractExpressionHandler getHandler(IndentationCheck indentCheck,
                                            DetailAST ast,
                                            AbstractExpressionHandler parent)

Get the handler for an AST.

Parameters:

indentCheck - the indentation check

ast - ast to handle

parent - the handler parent of this AST

Returns:

the ExpressionHandler for ast

createMethodCallHandler

private AbstractExpressionHandler createMethodCallHandler(IndentationCheck indentCheck,
                                                          DetailAST ast,
                                                          AbstractExpressionHandler parent)

Create new instance of handler for METHOD_CALL.

Parameters:

indentCheck - the indentation check

ast - ast to handle

parent - the handler parent of this AST

Returns:

new instance.

clearCreatedHandlers

public void clearCreatedHandlers()

Clears cache of created handlers.