Package org.springframework.webflow.execution.factory

Class StaticFlowExecutionListenerLoader

java.lang.Object

org.springframework.webflow.execution.factory.StaticFlowExecutionListenerLoader

All Implemented Interfaces:

FlowExecutionListenerLoader

public final class StaticFlowExecutionListenerLoader
extends Object
implements FlowExecutionListenerLoader

A simple flow execution listener loader that simply returns a static listener array on each invocation. For more elaborate needs see the ConditionalFlowExecutionListenerLoader.

Author:

Keith Donald

See Also:

• ConditionalFlowExecutionListenerLoader

Field Summary

Fields

Modifier and Type	Field	Description
static final FlowExecutionListenerLoader	EMPTY_INSTANCE	A shared listener loader instance that returns am empty listener array on each invocation.

Constructor Summary

Constructors

Constructor	Description
StaticFlowExecutionListenerLoader(FlowExecutionListener listener)	Creates a new flow execution listener loader that returns the provided listener on each invocation.
StaticFlowExecutionListenerLoader(FlowExecutionListener... listeners)	Creates a new flow execution listener loader that returns the provided listener array on each invocation.

Method Summary

Modifier and Type	Method	Description
FlowExecutionListener[]	getListeners(FlowDefinition flowDefinition)	Get the flow execution listeners that apply to the given flow definition.

Methods inherited from class java.lang.Object

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

Field Details

EMPTY_INSTANCE

public static final FlowExecutionListenerLoader EMPTY_INSTANCE

A shared listener loader instance that returns am empty listener array on each invocation.

Constructor Details

StaticFlowExecutionListenerLoader

public StaticFlowExecutionListenerLoader(FlowExecutionListener listener)

Creates a new flow execution listener loader that returns the provided listener on each invocation.

Parameters:

listener - the listener

StaticFlowExecutionListenerLoader

public StaticFlowExecutionListenerLoader(FlowExecutionListener... listeners)

Creates a new flow execution listener loader that returns the provided listener array on each invocation. Clients should not attempt to modify the passed in array as no deep copy is made.

Parameters:

listeners - the listener array.

Method Details

getListeners

public FlowExecutionListener[] getListeners(FlowDefinition flowDefinition)

Description copied from interface: FlowExecutionListenerLoader

Get the flow execution listeners that apply to the given flow definition.

Specified by:

getListeners in interface FlowExecutionListenerLoader

Parameters:

flowDefinition - the flow definition

Returns:

the listeners that apply