[Cocoa]convert html to plain text

-(NSString *)convertHTMLToText:(NSString *)htmlString

{

NSString *text;

if (htmlString && [htmlString length]) {

NSAttributedString *attrString;

NSData *data = [htmlString dataUsingEncoding: NSUnicodeStringEncoding];

if (data) {

NSDictionary *encodingDict = [NSDictionary dictionaryWithObject: [NSNumber numberWithInt: NSUnicodeStringEncoding] forKey:@"CharacterEncoding"];

attrString = [[NSAttributedString alloc] initWithHTML: data documentAttributes: encodingDict];

text = [attrString string];

[attrString release];

}

}