Package org.apache.struts.chain.commands

Class AbstractSelectInput

java.lang.Object

org.apache.struts.chain.commands.ActionCommandBase

org.apache.struts.chain.commands.AbstractSelectInput

All Implemented Interfaces:

org.apache.commons.chain.Command<ActionContext>, ActionCommand

Direct Known Subclasses:

SelectInput

public abstract class AbstractSelectInput
extends ActionCommandBase

Select and cache a ForwardConfig that returns us to the input page for the current action, if any.

Version:

$Rev$ $Date: 2005-06-04 10:58:46 -0400 (Sat, 04 Jun 2005) $

Field Summary

Fields inherited from interface org.apache.commons.chain.Command

CONTINUE_PROCESSING, PROCESSING_COMPLETE

Constructor Summary

Constructors

Constructor	Description
AbstractSelectInput()

Method Summary

Modifier and Type	Method	Description
protected boolean	execute_(ActionContext actionCtx)	Select and cache a ForwardConfig for the input page for the current request.
protected abstract ForwardConfig	forward(ActionContext context, ModuleConfig moduleConfig, String uri)	Create and return a ForwardConfig representing the specified module-relative destination.
protected abstract String	getErrorMessage(ActionContext context, ActionConfig actionConfig)	Retrieve error message from context.
protected ForwardConfig	inputForward(ActionConfig actionConfig, ModuleConfig moduleConfig, String input)	Attempts to resolve the input as a ForwardConfig attribute.

Methods inherited from class org.apache.struts.chain.commands.ActionCommandBase

execute

Methods inherited from class java.lang.Object

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

Constructor Details

AbstractSelectInput

public AbstractSelectInput()

Method Details

execute_

protected boolean execute_(ActionContext actionCtx)
                    throws Exception

Select and cache a ForwardConfig for the input page for the current request.

Specified by:

execute_ in class ActionCommandBase

Parameters:

actionCtx - The Context for the current request

Returns:

false so that processing continues

Throws:

Exception - if thrown by the Action class

forward

protected abstract ForwardConfig forward(ActionContext context,
 ModuleConfig moduleConfig,
 String uri)

Create and return a ForwardConfig representing the specified module-relative destination.

Parameters:

context - The context for this request

moduleConfig - The ModuleConfig for this request

uri - The module-relative URI to be the destination

Returns:

ForwardConfig representing destination

getErrorMessage

protected abstract String getErrorMessage(ActionContext context,
 ActionConfig actionConfig)

Retrieve error message from context.

Parameters:

context - The Context for the current request

actionConfig - The current action mapping

Returns:

error message

inputForward

protected ForwardConfig inputForward(ActionConfig actionConfig,
 ModuleConfig moduleConfig,
 String input)

Attempts to resolve the input as a ForwardConfig attribute. This method should only invoked if the Controller has its inputForward property set to true. If the input parameter is specified, use that, otherwise try to find one in the mapping or the module under the standard conventional input name.

Parameters:

actionConfig - the config for the target action

moduleConfig - the config for the module of the action

input - the name of the input

Returns:

ForwardConfig representing destination

See Also:

• Action.INPUT