IResourceCachingStrategy (Wicket Core 9.2.0 API)

All Known Implementing Classes:

FilenameWithVersionResourceCachingStrategy, NoOpResourceCachingStrategy, QueryStringWithVersionResourceCachingStrategy
```
public interface IResourceCachingStrategy
```
caching strategy for cacheable resources
it can add and remove caching information to the filename and query string parameters of the requested resource to control caches in the browser and on the internet. It also can set http response caching headers.

Since:

1.5

Author:

Peter Ertl

Field Summary

Fields
Modifier and Type Field Description

static MetaDataKey<String> URL_VERSION
A key used to store the extracted resource's version in undecorateUrl(ResourceUrl) into the request cycle

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`clearCache()`	Clears any stateful information
`void`	`decorateResponse(AbstractResource.ResourceResponse response, IStaticCacheableResource resource)`	decorate resource response
`void`	`decorateUrl(ResourceUrl url, IStaticCacheableResource resource)`	add caching related information to filename + parameters
`void`	`undecorateUrl(ResourceUrl url)`	Removes caching related information from filename + parameters.

- Field Detail
  - URL_VERSION
```
static final MetaDataKey<String> URL_VERSION
```
    A key used to store the extracted resource's version in undecorateUrl(ResourceUrl) into the request cycle
- Method Detail
  - decorateUrl
```
void decorateUrl(ResourceUrl url,
                 IStaticCacheableResource resource)
```
    add caching related information to filename + parameters
    
    Parameters:
    
    url - parameters to which caching information should be added and which will be used to construct the url to the resource
    
    resource - cacheable resource
  - undecorateUrl
```
void undecorateUrl(ResourceUrl url)
```
    Removes caching related information from filename + parameters. In essenese this method undoes what decorateUrl(ResourceUrl, IStaticCacheableResource) did.
    
    Parameters:
    
    url - parameters that were used to construct the url to the resource and from which previously added caching information should be stripped
  - decorateResponse
```
void decorateResponse(AbstractResource.ResourceResponse response,
                      IStaticCacheableResource resource)
```
    decorate resource response
    
    Parameters:
    
    response -
  - clearCache
```
void clearCache()
```
    Clears any stateful information