org.springframework.shell.command.invocation

Class ShellMethodArgumentResolverComposite

java.lang.Object

org.springframework.shell.command.invocation.ShellMethodArgumentResolverComposite

All Implemented Interfaces:

org.springframework.messaging.handler.invocation.HandlerMethodArgumentResolver

public class ShellMethodArgumentResolverComposite
extends Object
implements org.springframework.messaging.handler.invocation.HandlerMethodArgumentResolver

Resolves method parameters by delegating to a list of registered HandlerMethodArgumentResolvers. Previously resolved method parameters are cached for faster lookups.

Author:

Rossen Stoyanchev, Juergen Hoeller

Constructor Summary

Constructors

Constructor and Description
ShellMethodArgumentResolverComposite()

Method Summary

Modifier and Type	Method and Description
ShellMethodArgumentResolverComposite	addResolver(org.springframework.messaging.handler.invocation.HandlerMethodArgumentResolver resolver) Add the given HandlerMethodArgumentResolver.
ShellMethodArgumentResolverComposite	addResolvers(org.springframework.messaging.handler.invocation.HandlerMethodArgumentResolver... resolvers) Add the given HandlerMethodArgumentResolvers.
ShellMethodArgumentResolverComposite	addResolvers(List<? extends org.springframework.messaging.handler.invocation.HandlerMethodArgumentResolver> resolvers) Add the given HandlerMethodArgumentResolvers.
void	clear() Clear the list of configured resolvers and the resolver cache.
List<org.springframework.messaging.handler.invocation.HandlerMethodArgumentResolver>	getResolvers() Return a read-only list with the contained resolvers, or an empty list.
Object	resolveArgument(org.springframework.core.MethodParameter parameter, org.springframework.messaging.Message<?> message) Iterate over registered HandlerMethodArgumentResolvers and invoke the one that supports it.
boolean	supportsParameter(org.springframework.core.MethodParameter parameter) Whether the given method parameter is supported by any registered HandlerMethodArgumentResolver.

Methods inherited from class java.lang.Object

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

Constructor Detail

ShellMethodArgumentResolverComposite

public ShellMethodArgumentResolverComposite()

Method Detail

addResolver

public ShellMethodArgumentResolverComposite addResolver(org.springframework.messaging.handler.invocation.HandlerMethodArgumentResolver resolver)

Add the given HandlerMethodArgumentResolver.

addResolvers

public ShellMethodArgumentResolverComposite addResolvers(@Nullable
                                                         org.springframework.messaging.handler.invocation.HandlerMethodArgumentResolver... resolvers)

Add the given HandlerMethodArgumentResolvers.

Since:

4.3

addResolvers

public ShellMethodArgumentResolverComposite addResolvers(@Nullable
                                                         List<? extends org.springframework.messaging.handler.invocation.HandlerMethodArgumentResolver> resolvers)

Add the given HandlerMethodArgumentResolvers.

getResolvers

public List<org.springframework.messaging.handler.invocation.HandlerMethodArgumentResolver> getResolvers()

Return a read-only list with the contained resolvers, or an empty list.

clear

public void clear()

Clear the list of configured resolvers and the resolver cache.

supportsParameter

public boolean supportsParameter(org.springframework.core.MethodParameter parameter)

Whether the given method parameter is supported by any registered HandlerMethodArgumentResolver.

Specified by:

supportsParameter in interface org.springframework.messaging.handler.invocation.HandlerMethodArgumentResolver

resolveArgument

@Nullable
public Object resolveArgument(org.springframework.core.MethodParameter parameter,
                                        org.springframework.messaging.Message<?> message)
                                 throws Exception

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

Specified by:

resolveArgument in interface org.springframework.messaging.handler.invocation.HandlerMethodArgumentResolver

Throws:

IllegalArgumentException - if no suitable argument resolver is found

Exception