App delegate to copy sqlite database for iOS app

appdelegate.m

-(void) checkAndCreateDatabase{ 
	// Check if the SQL database has already been saved to the users 
	// phone, if not then copy it over 
	BOOL success; 
	// Create a FileManager object, we will use this to check the status 
	// of the database and to copy it over if required 
	NSFileManager *fileManager = [NSFileManager defaultManager]; 
	// Check if the database has already been created in the users 
	// filesystem 
	success = [fileManager fileExistsAtPath:databasePath]; 
	NSLog(@"Hello World!");
	// If the database already exists then return without doing anything 
	if(success) return; 
	// If not then proceed to copy the database from the application to 
	// the users filesystem 
	// Get the path to the database in the application package 
	NSString *databasePathFromApp = [[[NSBundle mainBundle] resourcePath] 
									 stringByAppendingPathComponent:databaseName]; 
	NSString *masterPathFromApp = [[[NSBundle mainBundle] resourcePath] 
								   stringByAppendingPathComponent:masterName]; 
	// Create the database folder structure 
	[fileManager createDirectoryAtPath:databasePath 
		   withIntermediateDirectories:YES attributes:nil error:NULL]; 
	// Copy the database from the package to the users filesystem 
	[fileManager copyItemAtPath:databasePathFromApp toPath:databaseFile 
						  error:nil]; 
	// Copy the Databases.db from the package to the appropriate place 
	[fileManager copyItemAtPath:masterPathFromApp toPath:masterFile 
						  error:nil]; 
	[fileManager release]; 
} 

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
	
	//Copy over the database if it doesn't exist 
	// Setup some globals 
	databaseName = @"0000000000000001.db"; 
	masterName = @"Databases.db"; 
	// Get the path to the Library directory and append the databaseName 
	NSArray *libraryPaths = NSSearchPathForDirectoriesInDomains 
	(NSLibraryDirectory, NSUserDomainMask, YES); 
	NSString *libraryDir = [libraryPaths objectAtIndex:0]; 
	// the directory path for the Databases.db file 
	masterPath = [libraryDir stringByAppendingPathComponent:@"WebKit/Databases/"]; 
	// the directory path for the 0000000000000001.db file 
	databasePath = [libraryDir stringByAppendingPathComponent:@"WebKit/Databases/file__0/"]; 
	// the full path for the Databases.db file 
	masterFile = [masterPath stringByAppendingPathComponent:masterName]; 
	// the full path for the 0000000000000001.db file 
	databaseFile = [databasePath 
					stringByAppendingPathComponent:databaseName]; 
	// Execute the "checkAndCreateDatabase" function 
	[self checkAndCreateDatabase]; 	
	return [ super application:application didFinishLaunchingWithOptions:launchOptions ];
}