The Fourth Dimension Space

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統(tǒng)計(jì)

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文章 - 13
評(píng)論 - 521
引用 - 0

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Blogs in Computer Vision and Algorithm

CMU CV Group

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JAVA File Watcher Service

public static void main(String[] args) throws IOException
    {
        try
        {
            WatchService watcher = FileSystems.getDefault().newWatchService();
            Path watchedDir = Paths.get("C:\\Users\\Administrator\\workspace\\test");
            WatchKey key = watchedDir.register(watcher, StandardWatchEventKinds.ENTRY_CREATE, StandardWatchEventKinds.ENTRY_DELETE,StandardWatchEventKinds.ENTRY_MODIFY);
            System.out.println("Watching "+ watchedDir);

            while(true)
            {
                key = watcher.take();
                for(WatchEvent<?> event: key.pollEvents())
                {
                    WatchEvent.Kind<?> kind = event.kind();
                    WatchEvent<Path> ev = (WatchEvent<Path>)event;
                    Path pathName = ev.context();
                    if(kind == StandardWatchEventKinds.ENTRY_MODIFY)
                        System.out.println(pathName + " modified!");
                    else if(kind == StandardWatchEventKinds.ENTRY_DELETE)
                        System.out.println(pathName+" deleted");
                    else {
                        System.out.println(pathName + "created");
                    }
                }
                key.reset();
            }

        } catch (InterruptedException e) {
            // TODO 自動(dòng)生成的 catch 塊
            e.printStackTrace();
        }
    }

輸出：

Watching C:\Users\Administrator\workspace\test

test7.txt deleted

test8.txtcreated

test8.txt modified!

newFilecreated

newFile modified!

newDircreated

newDir modified!

.newFile.swpcreated

.newFile.swp modified!

.newFile.swpxcreated

.newFile.swpx modified!

.newFile.swpx deleted

.newFile.swp deleted

.newFile.swpcreated

.newFile.swp modified!

newFile~created

newFile~ modified!

newFile modified!

newFile~ deleted

.newFile.swp modified!

.newFile.swp deleted

newDir deleted

newFile deleted

test8.txt deleted

新建文件夾 deleted

posted on 2014-09-17 22:36 abilitytao 閱讀(687) 評(píng)論(0) 編輯收藏引用

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The Fourth Dimension Space

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JAVA File Watcher Service