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

    Methods
    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,
                               ModelAndViewContainer mavContainer,
                               NativeWebRequest webRequest,
                               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)` and it 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`.
      Throws:
        `Exception` - in case of errors with the preparation of argument values