org.apache.http.impl.client.cache
Class BasicHttpCacheStorage

java.lang.Object
  org.apache.http.impl.client.cache.BasicHttpCacheStorage

All Implemented Interfaces:

HttpCacheStorage

@ThreadSafe
public class BasicHttpCacheStorage
extends Object
implements HttpCacheStorage

Basic HttpCacheStorage implementation backed by an instance of LinkedHashMap. This cache does NOT deallocate resources associated with the cache entries. It is intended for use with HeapResource and similar.

Since:

4.1

Constructor Summary

BasicHttpCacheStorage(CacheConfig config)

Method Summary

HttpCacheEntry	getEntry(String url) Gets an entry from the cache, if it exists
void	putEntry(String url, HttpCacheEntry entry) Places a HttpCacheEntry in the cache
void	removeEntry(String url) Removes a HttpCacheEntry from the cache
void	updateEntry(String url, HttpCacheUpdateCallback callback)

Methods inherited from class java.lang.Object

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

Constructor Detail

BasicHttpCacheStorage

public BasicHttpCacheStorage(CacheConfig config)

Method Detail

putEntry

public void putEntry(String url,
                     HttpCacheEntry entry)
              throws IOException

Places a HttpCacheEntry in the cache

Specified by:

putEntry in interface HttpCacheStorage

Parameters:

url - Url to use as the cache key

entry - HttpCacheEntry to place in the cache

Throws:

IOException

getEntry

public HttpCacheEntry getEntry(String url)
                        throws IOException

Gets an entry from the cache, if it exists

Specified by:

getEntry in interface HttpCacheStorage

Parameters:

url - Url that is the cache key

Returns:

HttpCacheEntry if one exists, or null for cache miss

Throws:

IOException

removeEntry

public void removeEntry(String url)
                 throws IOException

Removes a HttpCacheEntry from the cache

Specified by:

removeEntry in interface HttpCacheStorage

Parameters:

url - Url that is the cache key

Throws:

IOException

updateEntry

public void updateEntry(String url,
                        HttpCacheUpdateCallback callback)
                 throws IOException

Specified by:

updateEntry in interface HttpCacheStorage

Throws:

IOException