【Mina】Filter--1

filter: 在IoService和IoHandler之间进行处理，类似于Web的Servlet Filter

 

一些自带的Filter：

• LoggingFilter logs all events and requests.
• ProtocolCodecFilter converts an incoming ByteBuffer into message POJO and vice versa.
• CompressionFilter compresses all data.
• SSLFilter adds SSL - TLS - StartTLS support.
• and many more!

Filters already present

Filter class Description

Blacklist	BlacklistFilter	Blocks connections from blacklisted remote addresses
Buffered Write	BufferedWriteFilter	Buffers outgoing requests like the BufferedOutputStream does
Compression	CompressionFilter
ConnectionThrottle	ConnectionThrottleFilter
ErrorGenerating	ErrorGeneratingFilter
Executor	ExecutorFilter
FileRegionWrite	FileRegionWriteFilter
KeepAlive	KeepAliveFilter
Logging	LoggingFilter	Logs event messages, like MessageReceived, MessageSent, SessionOpened, ...
MDC Injection	MdcInjectionFilter	Inject key IoSession properties into the MDC
Noop	NoopFilter	A filter that does nothing. Useful for tests.
Profiler	ProfilerTimerFilter	Profile event messages, like MessageReceived, MessageSent, SessionOpened, ...
ProtocolCodec	ProtocolCodecFilter	A filter in charge of encoding and decoding messages
Proxy	ProxyFilter
Reference counting	ReferenceCountingFilter	Keeps track of the number of usages of this filter
RequestResponse	RequestResponseFilter
SessionAttributeInitializing	SessionAttributeInitializingFilter
StreamWrite	StreamWriteFilter
SslFilter	SslFilter
WriteRequest	WriteRequestFilter