public interface HttpCacheStorage
HttpCacheStorage
interface. They can then be plugged into the existing
CachingHttpClient
implementation.Modifier and Type | Method and Description |
---|---|
HttpCacheEntry |
getEntry(java.lang.String key)
Retrieves the cache entry stored under the given key
or null if no entry exists under that key.
|
void |
putEntry(java.lang.String key,
HttpCacheEntry entry)
Store a given cache entry under the given key.
|
void |
removeEntry(java.lang.String key)
Deletes/invalidates/removes any cache entries currently
stored under the given key.
|
void |
updateEntry(java.lang.String key,
HttpCacheUpdateCallback callback)
Atomically applies the given callback to update an existing cache
entry under a given key.
|
void putEntry(java.lang.String key, HttpCacheEntry entry) throws java.io.IOException
key
- where in the cache to store the entryentry
- cached response to storejava.io.IOException
HttpCacheEntry getEntry(java.lang.String key) throws java.io.IOException
key
- cache keyHttpCacheEntry
or null
if no
entry existsjava.io.IOException
void removeEntry(java.lang.String key) throws java.io.IOException
key
- java.io.IOException
void updateEntry(java.lang.String key, HttpCacheUpdateCallback callback) throws java.io.IOException, HttpCacheUpdateException
key
- indicates which entry to modifycallback
- performs the update; see
HttpCacheUpdateCallback
for details, but roughly the
callback expects to be handed the current entry and will return
the new value for the entry.java.io.IOException
HttpCacheUpdateException