java.lang.Object
- org.springframework.messaging.handler.invocation.HandlerMethodArgumentResolverComposite

All Implemented Interfaces:
HandlerMethodArgumentResolver
```
public class HandlerMethodArgumentResolverComposite
extends Object
implements HandlerMethodArgumentResolver
```
Resolves method parameters by delegating to a list of registered HandlerMethodArgumentResolvers. Previously resolved method parameters are cached for faster lookups.
Since:
4.0
Author:
Rossen Stoyanchev, Juergen Hoeller

Constructor Summary
Constructors
Constructor Description
HandlerMethodArgumentResolverComposite()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`HandlerMethodArgumentResolverComposite`	`addResolver(HandlerMethodArgumentResolver resolver)`	Add the given `HandlerMethodArgumentResolver`.
`HandlerMethodArgumentResolverComposite`	`addResolvers(List<? extends HandlerMethodArgumentResolver> resolvers)`	Add the given `HandlerMethodArgumentResolvers`.
`HandlerMethodArgumentResolverComposite`	`addResolvers(HandlerMethodArgumentResolver... resolvers)`	Add the given `HandlerMethodArgumentResolvers`.
`void`	`clear()`	Clear the list of configured resolvers.
`List<HandlerMethodArgumentResolver>`	`getResolvers()`	Return a read-only list with the contained resolvers, or an empty list.
`Object`	`resolveArgument(MethodParameter parameter, Message<?> message)`	Iterate over registered `HandlerMethodArgumentResolvers` and invoke the one that supports it.
`boolean`	`supportsParameter(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
  - HandlerMethodArgumentResolverComposite
```
public HandlerMethodArgumentResolverComposite()
```
- Method Detail
  - addResolver
```
public HandlerMethodArgumentResolverComposite addResolver(HandlerMethodArgumentResolver resolver)
```
    Add the given HandlerMethodArgumentResolver.
  - addResolvers
```
public HandlerMethodArgumentResolverComposite addResolvers(HandlerMethodArgumentResolver... resolvers)
```
    Add the given HandlerMethodArgumentResolvers.
    Since:
    4.3
  - addResolvers
```
public HandlerMethodArgumentResolverComposite addResolvers(List<? extends HandlerMethodArgumentResolver> resolvers)
```
    Add the given HandlerMethodArgumentResolvers.
  - getResolvers
```
public List<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.
  - supportsParameter
```
public boolean supportsParameter(MethodParameter parameter)
```
    Whether the given method parameter is supported by any registered HandlerMethodArgumentResolver.
    Specified by:
    supportsParameter in interface HandlerMethodArgumentResolver
    Parameters:
    parameter - the method parameter to check
    Returns:
    true if this resolver supports the supplied parameter; false otherwise
  - resolveArgument
```
public Object resolveArgument(MethodParameter parameter,
                              Message<?> message)
                       throws Exception
```
    Iterate over registered HandlerMethodArgumentResolvers and invoke the one that supports it.
    Specified by:
    resolveArgument in interface HandlerMethodArgumentResolver
    Parameters:
    parameter - the method parameter to resolve. This parameter must have previously been passed to HandlerMethodArgumentResolver.supportsParameter(org.springframework.core.MethodParameter) which must have returned true.
    message - the currently processed message
    Returns:
    the resolved argument value, or null
    Throws:
    IllegalArgumentException - if no suitable argument resolver is found
    Exception - in case of errors with the preparation of argument values

Class HandlerMethodArgumentResolverComposite

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

HandlerMethodArgumentResolverComposite

Method Detail

addResolver

addResolvers

addResolvers

getResolvers

clear

supportsParameter

resolveArgument