com.amazon.ask.request.mapper.impl

Class BaseRequestMapper<Input,Output>

java.lang.Object

com.amazon.ask.request.mapper.impl.BaseRequestMapper<Input,Output>

Type Parameters:

Input - handler input type.

Output - handler output type.

All Implemented Interfaces:

GenericRequestMapper<Input,Output>

Direct Known Subclasses:

DefaultRequestMapper

public class BaseRequestMapper<Input,Output>
extends Object
implements GenericRequestMapper<Input,Output>

This implementation accesses registered GenericRequestHandlerChain instances in the order they were provided. Suitable chains are identified by calling canHandle on the attached GenericRequestHandler.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	BaseRequestMapper.Builder<Input,Output,Self extends BaseRequestMapper.Builder<Input,Output,Self>> Base Request Mapper Builder.

Field Summary

Fields

Modifier and Type	Field and Description
protected List<BaseRequestHandlerChain<Input,Output>>	handlerChains List of handler chains.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BaseRequestMapper(List<BaseRequestHandlerChain<Input,Output>> handlerChains) Constructor for BaseRequestMapper.

Method Summary

Modifier and Type	Method and Description
static <Input,Output> BaseRequestMapper.Builder<Input,Output,?>	builder() Returns an instance of Builder.
static <Input,Output,Self extends BaseRequestMapper.Builder<Input,Output,Self>> BaseRequestMapper.Builder<Input,Output,Self>	forTypes(Class<Input> input, Class<Output> output) Returns an instance of Builder.
Optional<GenericRequestHandlerChain<Input,Output>>	getRequestHandlerChain(Input input) Finds a GenericRequestHandlerChain containing a request handler that is suitable for the incoming request.

Methods inherited from class java.lang.Object

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

Field Detail

handlerChains

protected final List<BaseRequestHandlerChain<Input,Output>> handlerChains

List of handler chains.

Constructor Detail

BaseRequestMapper

protected BaseRequestMapper(List<BaseRequestHandlerChain<Input,Output>> handlerChains)

Constructor for BaseRequestMapper.

Parameters:

handlerChains - list of handler chains.

Method Detail

getRequestHandlerChain

public Optional<GenericRequestHandlerChain<Input,Output>> getRequestHandlerChain(Input input)

Finds a GenericRequestHandlerChain containing a request handler that is suitable for the incoming request..

Specified by:

getRequestHandlerChain in interface GenericRequestMapper<Input,Output>

Parameters:

input - handler input

Returns:

an Optional containing the request handler chain if one is located, or empty if not.

forTypes

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

Returns an instance of Builder.

Type Parameters:

Input - handler input type.

Output - handler output type.

Self - of type Builder.

Parameters:

input - class of type Input

output - class of type Output

Returns:

BaseRequestMapper.Builder.

builder

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

Returns an instance of Builder.

Type Parameters:

Input - handler input type.

Output - handler output type.

Returns:

BaseRequestMapper.Builder.