org.springframework.web.servlet.mvc.method.annotation

Class PathVariableMapMethodArgumentResolver

java.lang.Object

org.springframework.web.servlet.mvc.method.annotation.PathVariableMapMethodArgumentResolver

All Implemented Interfaces:

HandlerMethodArgumentResolver

public class PathVariableMapMethodArgumentResolver
extends Object
implements HandlerMethodArgumentResolver

Resolves Map method arguments annotated with an @PathVariable where the annotation does not specify a path variable name. The created Map contains all URI template name/value pairs.

Since:

3.2

Author:

Rossen Stoyanchev

See Also:

PathVariableMethodArgumentResolver

Constructor Summary

Constructors

Constructor and Description
PathVariableMapMethodArgumentResolver()

Method Summary

Modifier and Type	Method and Description
Object	resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer, NativeWebRequest webRequest, WebDataBinderFactory binderFactory) Return a Map with all URI template variables or an empty map.
boolean	supportsParameter(MethodParameter parameter) Whether the given method parameter is supported by this resolver.

Methods inherited from class java.lang.Object

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

Constructor Detail

PathVariableMapMethodArgumentResolver

public PathVariableMapMethodArgumentResolver()

Method Detail

supportsParameter

public boolean supportsParameter(MethodParameter parameter)

Description copied from interface: HandlerMethodArgumentResolver

Whether the given method parameter is supported by this resolver.

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,
                              @Nullable
                              ModelAndViewContainer mavContainer,
                              NativeWebRequest webRequest,
                              @Nullable
                              WebDataBinderFactory binderFactory)
                       throws Exception

Return a Map with all URI template variables or an empty map.

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.

mavContainer - the ModelAndViewContainer for the current request

webRequest - the current request

binderFactory - a factory for creating WebDataBinder instances

Returns:

the resolved argument value, or null if not resolvable

Throws:

Exception - in case of errors with the preparation of argument values