com.amazon.ask.request.handler.chain.impl

Class BaseRequestHandlerChain<Input,Output>

java.lang.Object

com.amazon.ask.request.handler.chain.impl.BaseRequestHandlerChain<Input,Output>

Type Parameters:

Input - handler input type

Output - handler output type

All Implemented Interfaces:

GenericRequestHandlerChain<Input,Output>

Direct Known Subclasses:

DefaultRequestHandlerChain

public class BaseRequestHandlerChain<Input,Output>
extends Object
implements GenericRequestHandlerChain<Input,Output>

Default implementation of GenericRequestHandler.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	BaseRequestHandlerChain.Builder<Input,Output,Self extends BaseRequestHandlerChain.Builder<Input,Output,Self>> Base Request Handler Chain Builder.

Field Summary

Fields

Modifier and Type	Field and Description
protected List<GenericExceptionHandler<Input,Output>>	exceptionHandlers List of exception handlers.
protected GenericRequestHandler<Input,Output>	handler Request handler responsible for processing an incoming request.
protected List<GenericRequestInterceptor<Input>>	requestInterceptors List of request interceptors.
protected List<GenericResponseInterceptor<Input,Output>>	responseInterceptors List of response interceptors.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BaseRequestHandlerChain(GenericRequestHandler<Input,Output> handler, List<GenericRequestInterceptor<Input>> requestInterceptors, List<GenericResponseInterceptor<Input,Output>> responseInterceptors, List<GenericExceptionHandler<Input,Output>> exceptionHandlers) Constructor to build an instance of BaseRequestHandlerChain.

Method Summary

Modifier and Type	Method and Description
static <Input,Output> BaseRequestHandlerChain.Builder<Input,Output,?>	builder() Returns an instance of Builder.
static <Input,Output,Self extends BaseRequestHandlerChain.Builder<Input,Output,Self>> BaseRequestHandlerChain.Builder<Input,Output,Self>	forTypes(Class<Input> input, Class<Output> output) Returns an instance of Builder for the specified class types.
List<GenericExceptionHandler<Input,Output>>	getExceptionHandlers() .
GenericRequestHandler<Input,Output>	getRequestHandler() Returns the request handler.
List<GenericRequestInterceptor<Input>>	getRequestInterceptors() .
List<GenericResponseInterceptor<Input,Output>>	getResponseInterceptors() .

Methods inherited from class java.lang.Object

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

Field Detail

handler

protected final GenericRequestHandler<Input,Output> handler

Request handler responsible for processing an incoming request.

requestInterceptors

protected final List<GenericRequestInterceptor<Input>> requestInterceptors

List of request interceptors.

responseInterceptors

protected final List<GenericResponseInterceptor<Input,Output>> responseInterceptors

List of response interceptors.

exceptionHandlers

protected final List<GenericExceptionHandler<Input,Output>> exceptionHandlers

List of exception handlers.

Constructor Detail

BaseRequestHandlerChain

protected BaseRequestHandlerChain(GenericRequestHandler<Input,Output> handler,
                                  List<GenericRequestInterceptor<Input>> requestInterceptors,
                                  List<GenericResponseInterceptor<Input,Output>> responseInterceptors,
                                  List<GenericExceptionHandler<Input,Output>> exceptionHandlers)

Constructor to build an instance of BaseRequestHandlerChain.

Parameters:

handler - request handler responsible for processing an incoming request.

requestInterceptors - list of request interceptors.

responseInterceptors - list of response interceptors.

exceptionHandlers - list of exception handlers.

Method Detail

getRequestHandler

public GenericRequestHandler<Input,Output> getRequestHandler()

Returns the request handler..

Specified by:

getRequestHandler in interface GenericRequestHandlerChain<Input,Output>

Returns:

request handler

getRequestInterceptors

public List<GenericRequestInterceptor<Input>> getRequestInterceptors()

.

Specified by:

getRequestInterceptors in interface GenericRequestHandlerChain<Input,Output>

Returns:

list of chain-level request interceptors.

getResponseInterceptors

public List<GenericResponseInterceptor<Input,Output>> getResponseInterceptors()

.

Specified by:

getResponseInterceptors in interface GenericRequestHandlerChain<Input,Output>

Returns:

list of chain-level response interceptors.

getExceptionHandlers

public List<GenericExceptionHandler<Input,Output>> getExceptionHandlers()

.

Specified by:

getExceptionHandlers in interface GenericRequestHandlerChain<Input,Output>

Returns:

list of chain-level exception handlers.

forTypes

public static <Input,Output,Self extends BaseRequestHandlerChain.Builder<Input,Output,Self>> BaseRequestHandlerChain.Builder<Input,Output,Self> forTypes(Class<Input> input,
                                                                                                                                                         Class<Output> output)

Returns an instance of Builder for the specified class types.

Type Parameters:

Input - handler input type.

Output - handler output type.

Self - generic of type self.

Parameters:

input - input class type.

output - output class type.

Returns:

BaseRequestHandlerChain.Builder.

builder

public static <Input,Output> BaseRequestHandlerChain.Builder<Input,Output,?> builder()

Returns an instance of Builder.

Type Parameters:

Input - handler input type.

Output - handler output type.

Returns:

BaseRequestHandlerChain.Builder.