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#import "IPTransformer.h"
#include <arpa/inet.h>
@implementation IPTransformer
+(Class)transformedValueClass { return [NSString class]; }
+(BOOL)allowsReverseTransformation { return YES; }
-(id)transformedValue:(id)value {
if(value &&
[value respondsToSelector:@selector(UTF8String)]
&& inet_addr([value UTF8String])!=INADDR_NONE )
return value;
return nil;
}
-(id)reverseTransformedValue:(id)value {
return [self transformedValue:value];
}
@end
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