com.github.kshashov.telegram.handler.processor.response

Class BotHandlerMethodReturnValueHandlerComposite

java.lang.Object

com.github.kshashov.telegram.handler.processor.response.BotHandlerMethodReturnValueHandlerComposite

All Implemented Interfaces:

BotHandlerMethodReturnValueHandler

public class BotHandlerMethodReturnValueHandlerComposite
extends Object
implements BotHandlerMethodReturnValueHandler

Resolves method parameters by delegating to a list of registered BotHandlerMethodReturnValueHandler handlers.

Constructor Summary

Constructors

Constructor and Description
BotHandlerMethodReturnValueHandlerComposite(@NotNull List<BotHandlerMethodReturnValueHandler> handlers) Create a composite handler for the given BotHandlerMethodReturnValueHandlers.

Method Summary

Modifier and Type	Method and Description
com.pengrad.telegrambot.request.BaseRequest	handleReturnValue(Object returnValue, org.springframework.core.MethodParameter returnType, TelegramRequest telegramRequest) Iterate over registered BotHandlerMethodReturnValueHandlers and invoke the one that supports it.
boolean	supportsReturnType(org.springframework.core.MethodParameter returnType) Whether the given method return type is supported by this handler.

Methods inherited from class java.lang.Object

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

Constructor Detail

BotHandlerMethodReturnValueHandlerComposite

public BotHandlerMethodReturnValueHandlerComposite(@NotNull
                                                   @NotNull List<BotHandlerMethodReturnValueHandler> handlers)

Create a composite handler for the given BotHandlerMethodReturnValueHandlers.

Parameters:

handlers - handlers to add

Method Detail

supportsReturnType

public boolean supportsReturnType(org.springframework.core.MethodParameter returnType)

Description copied from interface: BotHandlerMethodReturnValueHandler

Whether the given method return type is supported by this handler.

Specified by:

supportsReturnType in interface BotHandlerMethodReturnValueHandler

Parameters:

returnType - the method return type to check

Returns:

true if this handler supports the supplied return type; false otherwise

handleReturnValue

public com.pengrad.telegrambot.request.BaseRequest handleReturnValue(Object returnValue,
                                                                     org.springframework.core.MethodParameter returnType,
                                                                     TelegramRequest telegramRequest)

Iterate over registered BotHandlerMethodReturnValueHandlers and invoke the one that supports it.

Specified by:

handleReturnValue in interface BotHandlerMethodReturnValueHandler

Parameters:

returnValue - method result to handle

returnType - the method parameter to resolve. This parameter must have previously been passed to BotHandlerMethodReturnValueHandler.supportsReturnType(org.springframework.core.MethodParameter) which must have returned true.

telegramRequest - the current telegram request

Returns:

the resolved argument value, or null if not resolvable