swift copy file from BundleDirectory to DocumentDirectory

copyFile.swift

func copyFile() {
    
    let manager = NSFileManager.defaultManager()
    
    let bundlepath = NSBundle.mainBundle().resourcePath! + "/temp"
    
    let dirPaths =  NSSearchPathForDirectoriesInDomains(.DocumentDirectory,.UserDomainMask, true)
    let docsDir: AnyObject = dirPaths[0]
    
    do {
        let jsDirPath = docsDir.stringByAppendingPathComponent("js")
        try NSFileManager.defaultManager().createDirectoryAtPath(jsDirPath, withIntermediateDirectories: true, attributes: nil)
        
        let cssDirPath = docsDir.stringByAppendingPathComponent("css")
        try NSFileManager.defaultManager().createDirectoryAtPath(cssDirPath, withIntermediateDirectories: true, attributes: nil)
        
        let imagesDirPath = docsDir.stringByAppendingPathComponent("images")
        try NSFileManager.defaultManager().createDirectoryAtPath(imagesDirPath, withIntermediateDirectories: true, attributes: nil)
        
        let videoDirPath = docsDir.stringByAppendingPathComponent("video")
        try NSFileManager.defaultManager().createDirectoryAtPath(videoDirPath, withIntermediateDirectories: true, attributes: nil)
        
    } catch let error as NSError {
        dPrint(error.localizedDescription);
    } catch {
        
    }
    dPrint(dirPaths)
    if let paths = manager.enumeratorAtPath(bundlepath) {
        while let file = paths.nextObject() as? String {
            print(file)

            // パスの実体が存在するか確認
            var isDir : ObjCBool = false
            
            if manager.fileExistsAtPath(bundlepath + "/" + file, isDirectory: &isDir) {
                // ディレクトリかどうか確認して
                if isDir {
                    print("\(file) is Directory.")
                } else {
                    print("\(file) is exist.")
                    
                    let dstPath = docsDir.stringByAppendingPathComponent(file)
                    do {
                        try manager.removeItemAtPath(dstPath)
                        try manager.copyItemAtPath(bundlepath + "/" + file, toPath: dstPath )
                        dPrint("success")
                    } catch let error as NSError {
                        dPrint("Cannot copy file: \(error.localizedDescription)")
                    } catch {
                    }
                }
            } else {
                print("\(file) is not exist.")
            }
        }
    }
}