org.apache.commons.io.monitor.FileAlterationMonitor#start

Source File: ApplicationConfigMonitor.java From canal-1.1.3 with Apache License 2.0

6 votes

@PostConstruct
public void init() {
    File confDir = Util.getConfDirPath();
    try {
        FileAlterationObserver observer = new FileAlterationObserver(confDir,
            FileFilterUtils.and(FileFilterUtils.fileFileFilter(),
                FileFilterUtils.prefixFileFilter("application"),
                FileFilterUtils.suffixFileFilter("yml")));
        FileListener listener = new FileListener();
        observer.addListener(listener);
        fileMonitor = new FileAlterationMonitor(3000, observer);
        fileMonitor.start();

    } catch (Exception e) {
        logger.error(e.getMessage(), e);
    }
}

Source File: HbaseConfigMonitor.java From canal-1.1.3 with Apache License 2.0

6 votes

public void init(HbaseAdapter hbaseAdapter, Properties envProperties) {
    this.hbaseAdapter = hbaseAdapter;
    this.envProperties = envProperties;
    File confDir = Util.getConfDirPath(adapterName);
    try {
        FileAlterationObserver observer = new FileAlterationObserver(confDir,
            FileFilterUtils.and(FileFilterUtils.fileFileFilter(), FileFilterUtils.suffixFileFilter("yml")));
        FileListener listener = new FileListener();
        observer.addListener(listener);
        fileMonitor = new FileAlterationMonitor(3000, observer);
        fileMonitor.start();

    } catch (Exception e) {
        logger.error(e.getMessage(), e);
    }
}

Source File: RdbConfigMonitor.java From canal-1.1.3 with Apache License 2.0

6 votes

public void init(String key, RdbAdapter rdbAdapter, Properties envProperties) {
    this.key = key;
    this.rdbAdapter = rdbAdapter;
    this.envProperties = envProperties;
    File confDir = Util.getConfDirPath(adapterName);
    try {
        FileAlterationObserver observer = new FileAlterationObserver(confDir,
            FileFilterUtils.and(FileFilterUtils.fileFileFilter(), FileFilterUtils.suffixFileFilter("yml")));
        FileListener listener = new FileListener();
        observer.addListener(listener);
        fileMonitor = new FileAlterationMonitor(3000, observer);
        fileMonitor.start();

    } catch (Exception e) {
        logger.error(e.getMessage(), e);
    }
}

Source File: ESConfigMonitor.java From canal-1.1.3 with Apache License 2.0

6 votes

public void init(ESAdapter esAdapter, Properties envProperties) {
        this.esAdapter = esAdapter;
        this.envProperties = envProperties;
        File confDir = Util.getConfDirPath(adapterName);
        try {
            FileAlterationObserver observer = new FileAlterationObserver(confDir,
                FileFilterUtils.and(FileFilterUtils.fileFileFilter(), FileFilterUtils.suffixFileFilter("yml")));
//            文件变化监听采用的common io的类库
            FileListener listener = new FileListener();
            observer.addListener(listener);
            fileMonitor = new FileAlterationMonitor(3000, observer);
            fileMonitor.start();

        } catch (Exception e) {
            logger.error(e.getMessage(), e);
        }
    }

Source File: DefaultHttpRequestHandler.java From t-io with Apache License 2.0

6 votes

/**
 * 扫描文件变化
 * @throws Exception
 */
public void monitorFileChanged() throws Exception {
	if (httpConfig.monitorFileChange) {
		if (httpConfig.getPageRoot() != null) {
			File directory = new File(httpConfig.getPageRoot());//需要扫描的文件夹路径
			// 测试采用轮询间隔 5 秒
			long interval = TimeUnit.SECONDS.toMillis(5);
			FileAlterationObserver observer = new FileAlterationObserver(directory, new FileFilter() {
				@Override
				public boolean accept(File pathname) {
					return true;
				}
			});
			//设置文件变化监听器
			observer.addListener(new FileChangeListener(this));
			FileAlterationMonitor monitor = new FileAlterationMonitor(interval, observer);
			monitor.start();
		}
	}
}

Source File: FileMonitor.java From util4j with Apache License 2.0

6 votes

/**
 * 只监控文件发送变化,如果是子目录的文件改变,则目录会变,由于没有过滤目录发生变化,则目录下的文件改变不会监控到
 * @param dir
 * @throws Exception 
 */
public void check1(String dir) throws Exception
{
	File directory = new File(dir);
    // 轮询间隔 5 秒
    long interval = TimeUnit.SECONDS.toMillis(5);
    // 创建一个文件观察器用于处理文件的格式
    IOFileFilter filter=FileFilterUtils.or(FileFilterUtils.suffixFileFilter(".class"),
    		FileFilterUtils.suffixFileFilter(".jar"));
    FileAlterationObserver observer = new FileAlterationObserver(directory,filter);
    //设置文件变化监听器
    observer.addListener(new MyFileListener());
    FileAlterationMonitor monitor = new FileAlterationMonitor(interval);
    monitor.addObserver(observer);//文件观察
    monitor.start();
}

Source File: FileMonitor.java From util4j with Apache License 2.0

6 votes

public void check2(String dir) throws Exception
	{
		File directory = new File(dir);
	    // 轮询间隔 5 秒
	    long interval = TimeUnit.SECONDS.toMillis(5);
	    //后缀过滤器
	    IOFileFilter filefilter=FileFilterUtils.or(FileFilterUtils.suffixFileFilter(".class"),
	    		FileFilterUtils.suffixFileFilter(".jar"));
	    //子目录的后缀
	    IOFileFilter subFilefilter=FileFilterUtils.or(FileFilterUtils.directoryFileFilter(),filefilter);
	    //根目录和子目录变化
	    IOFileFilter filter = FileFilterUtils.or(filefilter,subFilefilter);
	    FileAlterationObserver observer = new FileAlterationObserver(directory,filter);
	    //设置文件变化监听器
	    observer.addListener(new MyFileListener());
	    FileAlterationMonitor monitor = new FileAlterationMonitor(interval);
	    monitor.addObserver(observer);//文件观察
	    monitor.start();
//	    monitor.addObserver(observer);//文件观察,如果在start后面加,则会触发所有文件创建
	}

Source File: ESConfigMonitor.java From canal with Apache License 2.0

6 votes

public void init(ESAdapter esAdapter, Properties envProperties) {
    this.esAdapter = esAdapter;
    this.envProperties = envProperties;
    this.adapterName = envProperties.getProperty("es.version");
    File confDir = Util.getConfDirPath(adapterName);
    try {
        FileAlterationObserver observer = new FileAlterationObserver(confDir,
            FileFilterUtils.and(FileFilterUtils.fileFileFilter(), FileFilterUtils.suffixFileFilter("yml")));
        FileListener listener = new FileListener();
        observer.addListener(listener);
        fileMonitor = new FileAlterationMonitor(3000, observer);
        fileMonitor.start();

    } catch (Exception e) {
        logger.error(e.getMessage(), e);
    }
}

Source File: FileMonitor.java From MercuryTrade with MIT License

6 votes

public void start() {
    String gamePath = Configuration.get().applicationConfiguration().get().getGamePath();

    File folder = new File(gamePath + "logs");
    this.fileHandler = new MessageFileHandler(gamePath + "logs/Client.txt");
    FileAlterationObserver observer = new FileAlterationObserver(folder);
    monitor = new FileAlterationMonitor(POLLING_INTERVAL);
    FileAlterationListener listener = new FileAlterationListenerAdaptor() {
        @Override
        public void onFileChange(File file) {
            fileHandler.parse();
        }
    };

    observer.addListener(listener);
    monitor.addObserver(observer);
    try {
        monitor.start();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

Source File: ApplicationConfigMonitor.java From canal with Apache License 2.0

6 votes

@PostConstruct
public void init() {
    File confDir = Util.getConfDirPath();
    try {
        FileAlterationObserver observer = new FileAlterationObserver(confDir,
            FileFilterUtils.and(FileFilterUtils.fileFileFilter(),
                FileFilterUtils.prefixFileFilter("application"),
                FileFilterUtils.suffixFileFilter("yml")));
        FileListener listener = new FileListener();
        observer.addListener(listener);
        fileMonitor = new FileAlterationMonitor(3000, observer);
        fileMonitor.start();

    } catch (Exception e) {
        logger.error(e.getMessage(), e);
    }
}

Source File: HbaseConfigMonitor.java From canal with Apache License 2.0

6 votes

public void init(HbaseAdapter hbaseAdapter, Properties envProperties) {
    this.hbaseAdapter = hbaseAdapter;
    this.envProperties = envProperties;
    File confDir = Util.getConfDirPath(adapterName);
    try {
        FileAlterationObserver observer = new FileAlterationObserver(confDir,
            FileFilterUtils.and(FileFilterUtils.fileFileFilter(), FileFilterUtils.suffixFileFilter("yml")));
        FileListener listener = new FileListener();
        observer.addListener(listener);
        fileMonitor = new FileAlterationMonitor(3000, observer);
        fileMonitor.start();

    } catch (Exception e) {
        logger.error(e.getMessage(), e);
    }
}

Source File: RdbConfigMonitor.java From canal with Apache License 2.0

6 votes

public void init(String key, RdbAdapter rdbAdapter, Properties envProperties) {
    this.key = key;
    this.rdbAdapter = rdbAdapter;
    this.envProperties = envProperties;
    File confDir = Util.getConfDirPath(adapterName);
    try {
        FileAlterationObserver observer = new FileAlterationObserver(confDir,
            FileFilterUtils.and(FileFilterUtils.fileFileFilter(), FileFilterUtils.suffixFileFilter("yml")));
        FileListener listener = new FileListener();
        observer.addListener(listener);
        fileMonitor = new FileAlterationMonitor(3000, observer);
        fileMonitor.start();

    } catch (Exception e) {
        logger.error(e.getMessage(), e);
    }
}

Source File: Pipeline.java From wisdom with Apache License 2.0

5 votes

/**
 * Starts the watching.
 *
 * @return the current pipeline.
 */
public Pipeline watch() {
    // Delete all error reports before starting the watcher.
    error = new File(baseDir, "target/pipeline");
    FileUtils.deleteQuietly(error);
    mojo.getLog().debug("Creating the target/pipeline directory : " + error.mkdirs());

    // Start the watching process.
    watcher = new FileAlterationMonitor(Integer.getInteger("watch.period", 2) * 1000);
    watcher.setThreadFactory(new DefensiveThreadFactory("wisdom-pipeline-watcher", mojo));
    FileAlterationObserver srcObserver = new FileAlterationObserver(new File(baseDir, "src"),
            TrueFileFilter.INSTANCE);
    PipelineWatcher listener = new PipelineWatcher(this);
    srcObserver.addListener(listener);
    watcher.addObserver(srcObserver);

    if (pomFileMonitoring) {
        FileAlterationObserver pomObserver = new FileAlterationObserver(baseDir, new FileFilter() {
            @Override
            public boolean accept(File file) {
                return file.equals(new File(baseDir, "pom.xml"));
            }
        });
        pomObserver.addListener(listener);
        watcher.addObserver(pomObserver);
    }

    try {
        mojo.getLog().info("Start watching " + baseDir.getAbsolutePath());
        watcher.start();
    } catch (Exception e) {
        mojo.getLog().error("Cannot start the watcher", e);
    }
    return this;
}

Source File: LocalFileDataConfigSource.java From litchi with Apache License 2.0

5 votes

@Override
public void initialize(Litchi litchi) {
    JSONObject config = litchi.config(Constants.Component.DATA_CONFIG);
    if (config == null) {
        LOGGER.error("'dataConfig' node not found in litchi.json");
        return;
    }

    String dataSourceKey = config.getString("dataSource");
    JSONObject fileConfig = config.getJSONObject(dataSourceKey);

    if (fileConfig == null || fileConfig.isEmpty()) {
        LOGGER.error("'dataConfig' node is null. check litchi.json please.");
        return;
    }

    this.filePath = FileUtils.combine(litchi.getRootConfigPath(), fileConfig.getString("filePath"));

    this.reloadFlushTime = fileConfig.getInteger("reloadFlushTime");

    this.litchi = litchi;

    this.fileDir = new File(this.filePath);
    if (!this.fileDir.isDirectory()) {
        LOGGER.error("current data config path is not directory: path:{}", this.filePath);
        return;
    }

    try {
        reloadMonitor = new FileAlterationMonitor(this.reloadFlushTime, createFileObserver());
        reloadMonitor.start();

        LOGGER.info("local data config flush monitor is start!");
        LOGGER.info("path:{}, flushTime:{}ms", this.filePath, this.reloadFlushTime);
    } catch (Exception ex) {
        LOGGER.error("{}", ex);
    }
}

Source File: KuduConfigMonitor.java From canal with Apache License 2.0

5 votes

public void init(KuduAdapter kuduAdapter, Properties envProperties) {
    this.kuduAdapter = kuduAdapter;
    this.envProperties = envProperties;
    File confDir = Util.getConfDirPath(adapterName);
    try {
        FileAlterationObserver observer = new FileAlterationObserver(confDir,
            FileFilterUtils.and(FileFilterUtils.fileFileFilter(), FileFilterUtils.suffixFileFilter("yml")));
        FileListener listener = new FileListener();
        observer.addListener(listener);
        fileMonitor = new FileAlterationMonitor(3000, observer);
        fileMonitor.start();
    } catch (Exception e) {
        logger.error(e.getMessage(), e);
    }
}

Source File: SensitiveWordMonitor.java From everyone-java-blog with Apache License 2.0

5 votes

public void monitor(String directory, int interval) {
    FileAlterationObserver fileAlterationObserver = new FileAlterationObserver(directory, FileFilterUtils.and(FileFilterUtils.nameFileFilter(SENSITIVE_WORD_FILE_NAME)), null);
    fileAlterationObserver.addListener(this);
    FileAlterationMonitor fileAlterationMonitor = new FileAlterationMonitor(interval, fileAlterationObserver);

    try {
        fileAlterationMonitor.start();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

Source File: DefaultScriptSource.java From util4j with Apache License 2.0

5 votes

protected void init() throws Exception
{
	FileAlterationObserver observer=buildFileAlterationObserver(scriptDir);
	observer.addListener(new FileListener());
	FileAlterationMonitor monitor=new FileAlterationMonitor(updateInterval);
	monitor.addObserver(observer);
	monitor.start();
	scanResources();
}

Source File: FileMonitorTest.java From spring-boot with Apache License 2.0

3 votes

/**
 * @param args
 * @throws Exception
 */
public static void main(String[] args) throws Exception {


    // 监控根目录，会递归监控子文件夹变化

    String rootDir = "D:\\download";
    // 轮询间隔 5 秒，通过重新启动 FileAlterationMonitor 实现
    long interval = TimeUnit.SECONDS.toMillis(5);


    // 创建一个文件观察器用于处理文件的格式
    // Create a FileFilter
    IOFileFilter directories = FileFilterUtils.and(FileFilterUtils.directoryFileFilter(), HiddenFileFilter.VISIBLE);
    IOFileFilter files = FileFilterUtils.and(FileFilterUtils.fileFileFilter(), FileFilterUtils.suffixFileFilter(".java"));
    IOFileFilter filter = FileFilterUtils.or(directories, files);

    // Create the File system observer and register File Listeners
    FileAlterationObserver observer = new FileAlterationObserver(rootDir, filter, null);
    observer.addListener(new FileMonitorFileListener()); //设置文件变化监听器

    //创建文件变化监听器
    FileAlterationMonitor monitor = new FileAlterationMonitor(interval, observer);

    // 开始监控
    monitor.start();

}

Java Code Examples for org.apache.commons.io.monitor.FileAlterationMonitor#start()