org.apache.mina.core.filterchain

Interface IoFilterChain

All Known Implementing Classes:

DefaultIoFilterChain

public interface IoFilterChain

A container of IoFilters that forwards IoHandler events to the consisting filters and terminal IoHandler sequentially. Every IoSession has its own IoFilterChain (1-to-1 relationship).

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	IoFilterChain.Entry Represents a name-filter pair that an IoFilterChain contains.

Method Summary

Methods

Modifier and Type	Method and Description
void	addAfter(String baseName, String name, IoFilter filter) Adds the specified filter with the specified name just after the filter whose name is baseName in this chain.
void	addBefore(String baseName, String name, IoFilter filter) Adds the specified filter with the specified name just before the filter whose name is baseName in this chain.
void	addFirst(String name, IoFilter filter) Adds the specified filter with the specified name at the beginning of this chain.
void	addLast(String name, IoFilter filter) Adds the specified filter with the specified name at the end of this chain.
void	clear() Removes all filters added to this chain.
boolean	contains(Class<? extends IoFilter> filterType)
boolean	contains(IoFilter filter)
boolean	contains(String name)
void	fireExceptionCaught(Throwable cause) Fires a IoHandler.exceptionCaught(IoSession, Throwable) event.
void	fireFilterClose() Fires a IoSession.close() event.
void	fireFilterWrite(WriteRequest writeRequest) Fires a IoSession.write(Object) event.
void	fireMessageReceived(Object message) Fires a IoHandler#messageReceived(Object) event.
void	fireMessageSent(WriteRequest request) Fires a IoHandler#messageSent(IoSession) event.
void	fireSessionClosed() Fires a IoHandler.sessionClosed(IoSession) event.
void	fireSessionCreated() Fires a IoHandler.sessionCreated(IoSession) event.
void	fireSessionIdle(IdleStatus status) Fires a IoHandler.sessionIdle(IoSession, IdleStatus) event.
void	fireSessionOpened() Fires a IoHandler.sessionOpened(IoSession) event.
IoFilter	get(Class<? extends IoFilter> filterType) Returns the IoFilter with the specified filterType in this chain.
IoFilter	get(String name) Returns the IoFilter with the specified name in this chain.
List<IoFilterChain.Entry>	getAll()
List<IoFilterChain.Entry>	getAllReversed()
IoFilterChain.Entry	getEntry(Class<? extends IoFilter> filterType) Returns the IoFilterChain.Entry with the specified filterType in this chain.
IoFilterChain.Entry	getEntry(IoFilter filter) Returns the IoFilterChain.Entry with the specified filter in this chain.
IoFilterChain.Entry	getEntry(String name) Returns the IoFilterChain.Entry with the specified name in this chain.
IoFilter.NextFilter	getNextFilter(Class<? extends IoFilter> filterType) Returns the IoFilter.NextFilter of the specified filterType in this chain.
IoFilter.NextFilter	getNextFilter(IoFilter filter) Returns the IoFilter.NextFilter of the specified IoFilter in this chain.
IoFilter.NextFilter	getNextFilter(String name) Returns the IoFilter.NextFilter of the IoFilter with the specified name in this chain.
IoSession	getSession() Returns the parent IoSession of this chain.
IoFilter	remove(Class<? extends IoFilter> filterType) Replace the filter of the specified type with the specified new filter.
void	remove(IoFilter filter) Replace the filter with the specified name with the specified new filter.
IoFilter	remove(String name) Removes the filter with the specified name from this chain.
IoFilter	replace(Class<? extends IoFilter> oldFilterType, IoFilter newFilter) Replace the filter of the specified type with the specified new filter.
void	replace(IoFilter oldFilter, IoFilter newFilter) Replace the filter with the specified name with the specified new filter.
IoFilter	replace(String name, IoFilter newFilter) Replace the filter with the specified name with the specified new filter.

Method Detail

getSession

IoSession getSession()

Returns the parent IoSession of this chain.

Returns:

IoSession

getEntry

IoFilterChain.Entry getEntry(String name)

Returns the IoFilterChain.Entry with the specified name in this chain.

Parameters:

name - The filter's name we are looking for

Returns:

null if there's no such name in this chain

getEntry

IoFilterChain.Entry getEntry(IoFilter filter)

Returns the IoFilterChain.Entry with the specified filter in this chain.

Parameters:

filter - The Filter we are looking for

Returns:

null if there's no such filter in this chain

getEntry

IoFilterChain.Entry getEntry(Class<? extends IoFilter> filterType)

Returns the IoFilterChain.Entry with the specified filterType in this chain. If there's more than one filter with the specified type, the first match will be chosen.

Parameters:

filterType - The filter class we are looking for

Returns:

null if there's no such name in this chain

get

IoFilter get(String name)

Returns the IoFilter with the specified name in this chain.

Parameters:

name - the filter's name

Returns:

null if there's no such name in this chain

get

IoFilter get(Class<? extends IoFilter> filterType)

Returns the IoFilter with the specified filterType in this chain. If there's more than one filter with the specified type, the first match will be chosen.

Parameters:

filterType - The filter class

Returns:

null if there's no such name in this chain

getNextFilter

IoFilter.NextFilter getNextFilter(String name)

Returns the IoFilter.NextFilter of the IoFilter with the specified name in this chain.

Parameters:

name - The filter's name we want the next filter

Returns:

null if there's no such name in this chain

getNextFilter

IoFilter.NextFilter getNextFilter(IoFilter filter)

Returns the IoFilter.NextFilter of the specified IoFilter in this chain.

Parameters:

filter - The filter for which we want the next filter

Returns:

null if there's no such name in this chain

getNextFilter

IoFilter.NextFilter getNextFilter(Class<? extends IoFilter> filterType)

Returns the IoFilter.NextFilter of the specified filterType in this chain. If there's more than one filter with the specified type, the first match will be chosen.

Parameters:

filterType - The Filter class for which we want the next filter

Returns:

null if there's no such name in this chain

getAll

List<IoFilterChain.Entry> getAll()

Returns:

The list of all IoFilterChain.Entrys this chain contains.

getAllReversed

List<IoFilterChain.Entry> getAllReversed()

Returns:

The reversed list of all IoFilterChain.Entrys this chain contains.

contains

boolean contains(String name)

Parameters:

name - The filter's name we are looking for

Returns:

true if this chain contains an IoFilter with the specified name.

contains

boolean contains(IoFilter filter)

Parameters:

filter - The filter we are looking for

Returns:

true if this chain contains the specified filter.

contains

boolean contains(Class<? extends IoFilter> filterType)

Parameters:

filterType - The filter's class we are looking for

Returns:

true if this chain contains an IoFilter of the specified filterType.

addFirst

void addFirst(String name,
            IoFilter filter)

Adds the specified filter with the specified name at the beginning of this chain.

Parameters:

name - The filter's name

filter - The filter to add

addLast

void addLast(String name,
           IoFilter filter)

Adds the specified filter with the specified name at the end of this chain.

Parameters:

name - The filter's name

filter - The filter to add

addBefore

void addBefore(String baseName,
             String name,
             IoFilter filter)

Adds the specified filter with the specified name just before the filter whose name is baseName in this chain.

Parameters:

baseName - The targeted Filter's name

name - The filter's name

filter - The filter to add

addAfter

void addAfter(String baseName,
            String name,
            IoFilter filter)

Adds the specified filter with the specified name just after the filter whose name is baseName in this chain.

Parameters:

baseName - The targeted Filter's name

name - The filter's name

filter - The filter to add

replace

IoFilter replace(String name,
               IoFilter newFilter)

Replace the filter with the specified name with the specified new filter.

Parameters:

name - The name of the filter we want to replace

newFilter - The new filter

Returns:

the old filter

replace

void replace(IoFilter oldFilter,
           IoFilter newFilter)

Replace the filter with the specified name with the specified new filter.

Parameters:

oldFilter - The filter we want to replace

newFilter - The new filter

replace

IoFilter replace(Class<? extends IoFilter> oldFilterType,
               IoFilter newFilter)

Replace the filter of the specified type with the specified new filter. If there's more than one filter with the specified type, the first match will be replaced.

Parameters:

oldFilterType - The filter class we want to replace

newFilter - The new filter

remove

IoFilter remove(String name)

Removes the filter with the specified name from this chain.

Parameters:

name - The name of the filter to remove

Returns:

The removed filter

remove

void remove(IoFilter filter)

Replace the filter with the specified name with the specified new filter.

Parameters:

name - The filter to remove

remove

IoFilter remove(Class<? extends IoFilter> filterType)

Replace the filter of the specified type with the specified new filter. If there's more than one filter with the specified type, the first match will be replaced.

Parameters:

name - The filter class to remove

Returns:

The removed filter

clear

void clear()
           throws Exception

Removes all filters added to this chain.

Throws:

Exception

fireSessionCreated

void fireSessionCreated()

Fires a IoHandler.sessionCreated(IoSession) event. Most users don't need to call this method at all. Please use this method only when you implement a new transport or fire a virtual event.

fireSessionOpened

void fireSessionOpened()

Fires a IoHandler.sessionOpened(IoSession) event. Most users don't need to call this method at all. Please use this method only when you implement a new transport or fire a virtual event.

fireSessionClosed

void fireSessionClosed()

Fires a IoHandler.sessionClosed(IoSession) event. Most users don't need to call this method at all. Please use this method only when you implement a new transport or fire a virtual event.

fireSessionIdle

void fireSessionIdle(IdleStatus status)

Fires a IoHandler.sessionIdle(IoSession, IdleStatus) event. Most users don't need to call this method at all. Please use this method only when you implement a new transport or fire a virtual event.

Parameters:

status - The current status to propagate

fireMessageReceived

void fireMessageReceived(Object message)

Fires a IoHandler#messageReceived(Object) event. Most users don't need to call this method at all. Please use this method only when you implement a new transport or fire a virtual event.

Parameters:

message - The received message

fireMessageSent

void fireMessageSent(WriteRequest request)

Fires a IoHandler#messageSent(IoSession) event. Most users don't need to call this method at all. Please use this method only when you implement a new transport or fire a virtual event.

Parameters:

request - The sent request

fireExceptionCaught

void fireExceptionCaught(Throwable cause)

Fires a IoHandler.exceptionCaught(IoSession, Throwable) event. Most users don't need to call this method at all. Please use this method only when you implement a new transport or fire a virtual event.

Parameters:

cause - The exception cause

fireFilterWrite

void fireFilterWrite(WriteRequest writeRequest)

Fires a IoSession.write(Object) event. Most users don't need to call this method at all. Please use this method only when you implement a new transport or fire a virtual event.

Parameters:

writeRequest - The message to write

fireFilterClose

void fireFilterClose()

Fires a IoSession.close() event. Most users don't need to call this method at all. Please use this method only when you implement a new transport or fire a virtual event.