Class BufferedProxySelector

java.lang.Object

java.net.ProxySelector

com.github.markusbernhardt.proxy.selector.misc.BufferedProxySelector

public class BufferedProxySelector
extends ProxySelector

Implements a cache that can be used to warp it around an existing ProxySelector. You can specify a maximum cache size and a "time to live" for positive resolves.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	BufferedProxySelector.CacheEntry
static enum	BufferedProxySelector.CacheScope	Define the available scopes of the cache key generation

Field Summary

Fields

Modifier and Type	Field	Description
private ConcurrentHashMap<String, BufferedProxySelector.CacheEntry>	cache
private BufferedProxySelector.CacheScope	cacheScope
private ProxySelector	delegate
private int	maxSize
private long	ttl

Constructor Summary

Constructors

Constructor	Description
BufferedProxySelector(int maxSize, long ttl, ProxySelector delegate, BufferedProxySelector.CacheScope cacheScope)	Constructor

Method Summary

Modifier and Type	Method	Description
void	connectFailed(URI uri, SocketAddress sa, IOException ioe)	connectFailed
private void	purgeCache()	Purge cache to get some free space for a new entry.
List<Proxy>	select(URI uri)	select
String	toString()

Methods inherited from class ProxySelector

getDefault, of, setDefault

Methods inherited from class Object

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

Field Details

delegate

private ProxySelector delegate

cache

private ConcurrentHashMap<String, BufferedProxySelector.CacheEntry> cache

maxSize

private int maxSize

ttl

private long ttl

cacheScope

private BufferedProxySelector.CacheScope cacheScope

Constructor Details

BufferedProxySelector

public BufferedProxySelector(int maxSize,
 long ttl,
 ProxySelector delegate,
 BufferedProxySelector.CacheScope cacheScope)

Constructor

Parameters:

maxSize - the max size for the cache.

ttl - the "time to live" for cache entries as amount in milliseconds.

delegate - the delegate to use.

cacheScope - the desired cache scope.

Method Details

toString

public String toString()

Overrides:

toString in class Object

connectFailed

public void connectFailed(URI uri,
 SocketAddress sa,
 IOException ioe)

connectFailed

Specified by:

connectFailed in class ProxySelector

See Also:

• ProxySelector.connectFailed(java.net.URI, java.net.SocketAddress, java.io.IOException)

select

public List<Proxy> select(URI uri)

select

Specified by:

select in class ProxySelector

See Also:

• ProxySelector.select(java.net.URI)

purgeCache

private void purgeCache()

Purge cache to get some free space for a new entry.