Getting location of iTunes media folder in Cocoa. requirements: BDAlias

itunesmediafolder.m

// newer iTunes seems to prefer "iTunes Media" over "iTunes Music"
#define ITUNES_MUSIC @"/Music/iTunes/iTunes Music"
#define ITUNES_MEDIA @"/Music/iTunes/iTunes Media"
-(NSString*) _getiTunesMediaFolder
{
	NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
	[defaults addSuiteNamed:@"com.apple.iTunes"];
	NSDictionary *keys = [defaults dictionaryRepresentation];
	NSString *key;
	NSData *aliasData = nil;
	NSString *mediaFolder = nil;

	for (key in keys) 
        {
	    if ([key hasPrefix:@"alis:"] && [key hasSuffix:@"Music Folder Location"]) 
            {
			aliasData = [defaults dataForKey:key];
			break;
	    }
	}

	// try to get dir from alias
	if (aliasData)
	{
		mediaFolder = [[BDAlias aliasWithData:aliasData] fullPath];
		if (mediaFolder)
			NSLog(@"iTunes Media Folder location: %@", [mediaFolder stringByAbbreviatingWithTildeInPath]);
		return mediaFolder;
	}

	// check standard locations
	BOOL isDir;
	NSString *homeDir = NSHomeDirectory();
	
	if ([[NSFileManager defaultManager] fileExistsAtPath:[homeDir stringByAppendingString:ITUNES_MEDIA] 
											 isDirectory:&isDir]) 
	{
		if (isDir)
			return [[homeDir stringByAppendingString:ITUNES_MEDIA] autorelease];
	}
	
	if ([[NSFileManager defaultManager] fileExistsAtPath:[homeDir stringByAppendingString:ITUNES_MUSIC] 
											 isDirectory:&isDir]) 
	{
		if (isDir)
			return [[homeDir stringByAppendingString:ITUNES_MEDIA] autorelease];
	}
	
	// whatever. homedir is good enough
	return homeDir;
}