java.lang.Object
- org.springframework.web.accept.MappingMediaTypeFileExtensionResolver
- - org.springframework.web.accept.AbstractMappingContentNegotiationStrategy
  - - org.springframework.web.accept.ParameterContentNegotiationStrategy

All Implemented Interfaces:
ContentNegotiationStrategy, MediaTypeFileExtensionResolver
```
public class ParameterContentNegotiationStrategy
extends AbstractMappingContentNegotiationStrategy
```
A ContentNegotiationStrategy that resolves a query parameter to a key to be used to look up a media type. The default parameter name is format.
Since:
3.2
Author:
Rossen Stoyanchev

Constructor Summary
Constructors
Constructor Description
ParameterContentNegotiationStrategy(Map<String,MediaType> mediaTypes)
Create an instance with the given map of file extensions and media types.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected String`	`getMediaTypeKey(NativeWebRequest request)`	Extract a key from the request to use to look up media types.
`String`	`getParameterName()`
`protected void`	`handleMatch(String mediaTypeKey, MediaType mediaType)`	Override to provide handling when a key is successfully resolved via `MappingMediaTypeFileExtensionResolver.lookupMediaType(java.lang.String)`.
`protected MediaType`	`handleNoMatch(NativeWebRequest request, String key)`	Override to provide handling when a key is not resolved via.
`void`	`setParameterName(String parameterName)`	Set the name of the parameter to use to determine requested media types.

Methods inherited from class org.springframework.web.accept.AbstractMappingContentNegotiationStrategy
resolveMediaTypeKey, resolveMediaTypes

Methods inherited from class org.springframework.web.accept.MappingMediaTypeFileExtensionResolver
addMapping, getAllFileExtensions, getAllMediaTypes, getMediaTypes, lookupMediaType, resolveFileExtensions

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ParameterContentNegotiationStrategy
```
public ParameterContentNegotiationStrategy(Map<String,MediaType> mediaTypes)
```
    Create an instance with the given map of file extensions and media types.
- Method Detail
  - setParameterName
```
public void setParameterName(String parameterName)
```
    Set the name of the parameter to use to determine requested media types.
    By default this is set to "format".
  - getParameterName
```
public String getParameterName()
```
  - getMediaTypeKey
```
protected String getMediaTypeKey(NativeWebRequest request)
```
    Description copied from class: AbstractMappingContentNegotiationStrategy
    Extract a key from the request to use to look up media types.
    Specified by:
    getMediaTypeKey in class AbstractMappingContentNegotiationStrategy
    Returns:
    the lookup key, or null if none
  - handleMatch
```
protected void handleMatch(String mediaTypeKey,
                           MediaType mediaType)
```
    Description copied from class: AbstractMappingContentNegotiationStrategy
    Override to provide handling when a key is successfully resolved via MappingMediaTypeFileExtensionResolver.lookupMediaType(java.lang.String).
    Overrides:
    handleMatch in class AbstractMappingContentNegotiationStrategy
  - handleNoMatch
```
protected MediaType handleNoMatch(NativeWebRequest request,
                                  String key)
                           throws HttpMediaTypeNotAcceptableException
```
    Description copied from class: AbstractMappingContentNegotiationStrategy
    Override to provide handling when a key is not resolved via. MappingMediaTypeFileExtensionResolver.lookupMediaType(java.lang.String). Sub-classes can take further steps to determine the media type(s). If a MediaType is returned from this method it will be added to the cache in the base class.
    Overrides:
    handleNoMatch in class AbstractMappingContentNegotiationStrategy
    Throws:
    HttpMediaTypeNotAcceptableException

Class ParameterContentNegotiationStrategy

Constructor Summary

Method Summary

Methods inherited from class org.springframework.web.accept.AbstractMappingContentNegotiationStrategy

Methods inherited from class org.springframework.web.accept.MappingMediaTypeFileExtensionResolver

Methods inherited from class java.lang.Object

Constructor Detail

ParameterContentNegotiationStrategy

Method Detail

setParameterName

getParameterName

getMediaTypeKey

handleMatch

handleNoMatch