Reading/Writing Plist Data

-(NSString *)PlistData
{
    BOOL success;
    NSString *BasicURL;
    NSFileManager *fileManager = [NSFileManager defaultManager];
    NSError *error;
    NSString *writableDBPath = [self GetDBPath];
    success = [fileManager fileExistsAtPath:writableDBPath];
    if (success)
    {
        plistData = [NSMutableDictionary dictionaryWithContentsOfFile:writableDBPath];
        BasicURL=[plistData objectForKey:@"URL"];

    }
    else
    {
    // The writable database does not exist, so copy the default to the appropriate location.
    NSString *defaultDBPath = [[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"BasicUrl.plist"];
    success = [fileManager copyItemAtPath:defaultDBPath toPath:writableDBPath error:&error];
    if (!success) {
        NSAssert1(0, @"Failed to create writable database file with message '%@'.", [error localizedDescription]);
    }
    else
    {
        plistData = [NSMutableDictionary dictionaryWithContentsOfFile:writableDBPath];
        BasicURL=[plistData objectForKey:@"URL"];

       
    }
    }
    return BasicURL;
}
- (NSString *)GetDBPath
{
    NSString *Path=nil;
    if(Path==nil) {
       
        NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
        NSString *documentsDirectory = [paths objectAtIndex:0];
        Path = [documentsDirectory stringByAppendingPathComponent:@"BasicUrl.plist"];
    }
    return Path;
}