org.springframework.webflow.engine.support
Class DefaultTargetStateResolver

java.lang.Object
  org.springframework.webflow.engine.support.DefaultTargetStateResolver

All Implemented Interfaces:

TargetStateResolver

public class DefaultTargetStateResolver
extends Object
implements TargetStateResolver

A transition target state resolver that evaluates an expression to resolve the target state. The default implementation.

Author:

Keith Donald

Constructor Summary

DefaultTargetStateResolver(Expression targetStateIdExpression)
Creates a new target state resolver.

DefaultTargetStateResolver(String targetStateId)
Creates a new target state resolver that always returns the same target state id.

Method Summary

State	resolveTargetState(Transition transition, State sourceState, RequestContext context) Resolve the target state of the transition from the source state in the current request context.
String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DefaultTargetStateResolver

public DefaultTargetStateResolver(String targetStateId)

Creates a new target state resolver that always returns the same target state id.

Parameters:

targetStateId - a static target target state

DefaultTargetStateResolver

public DefaultTargetStateResolver(Expression targetStateIdExpression)

Creates a new target state resolver.

Parameters:

targetStateIdExpression - the target state expression

Method Detail

resolveTargetState

public State resolveTargetState(Transition transition,
                                State sourceState,
                                RequestContext context)

Description copied from interface: TargetStateResolver

Resolve the target state of the transition from the source state in the current request context. Should never return null.

Specified by:

resolveTargetState in interface TargetStateResolver

Parameters:

transition - the transition

sourceState - the source state of the transition, could be null

context - the current request context

Returns:

the transition's target state - may be null if no state change should occur

toString

public String toString()

Overrides:

toString in class Object