com.arsdigita.cms.ui.util
Class UniqueStringValidationListener

java.lang.Object
  com.arsdigita.cms.ui.util.UniqueStringValidationListener

All Implemented Interfaces:

EventListener, com.arsdigita.bebop.event.FormValidationListener

Direct Known Subclasses:

UniqueItemNameValidationListener

public abstract class UniqueStringValidationListener

extends Object

implements com.arsdigita.bebop.event.FormValidationListener

Validates that the string value of the widget is unique.

Version:

$Revision: #5 $ $DateTime: 2004/04/07 16:07:11 $

Author:

Michael Pih (pihman@arsdigita.com)

Field Summary

static String

versionId

Constructor Summary

UniqueStringValidationListener(com.arsdigita.bebop.form.Widget widget)
Constructor.

UniqueStringValidationListener(com.arsdigita.bebop.form.Widget widget, String errorMsg)
Constructor.

Method Summary

protected abstract boolean	isUnique(com.arsdigita.bebop.PageState state, String value) Returns true if the string value is unique, false otherwise.
void	validate(com.arsdigita.bebop.event.FormSectionEvent event) Ensure that the name of the item is unique by resolving the would-be URL of the item.

Methods inherited from class java.lang.Object

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

Field Detail

versionId

public static final String versionId

See Also:

Constant Field Values

Constructor Detail

UniqueStringValidationListener

public UniqueStringValidationListener(com.arsdigita.bebop.form.Widget widget)

Constructor.

UniqueStringValidationListener

public UniqueStringValidationListener(com.arsdigita.bebop.form.Widget widget,
                                      String errorMsg)

Constructor.

Parameters:

widget - The form widget

errorMsg - An error message

Method Detail

validate

public final void validate(com.arsdigita.bebop.event.FormSectionEvent event)
                    throws com.arsdigita.bebop.FormProcessException

Ensure that the name of the item is unique by resolving the would-be URL of the item. If an item "exists" at the URL already, then the name is invalid.

Specified by:

validate in interface com.arsdigita.bebop.event.FormValidationListener

Parameters:

event - The form section event

Throws:

com.arsdigita.bebop.FormProcessException

isUnique

protected abstract boolean isUnique(com.arsdigita.bebop.PageState state,
                                    String value)

Returns true if the string value is unique, false otherwise.

Parameters:

state - The page state

value - The submitted string value

Returns:

true if the string value is unique, false otherwise