//
//  OAIsEmptyString.m
//  Flash
//
//  Created by Nicholas Matsakis on 8/30/07.
//  Copyright 2007 __MyCompanyName__. All rights reserved.
//

#import "OAIsEmptyString.h"


@implementation OAIsEmptyString

+ (Class) transfomedValueClass
{
    return [NSNumber class];
}

+ (BOOL) allowsReverseTransformation
{
    return NO;
}

- (id)transformedValue:(id)value
{
    return [NSNumber numberWithBool:[value isEqual:@""]];
}

@end
