Example usage for org.apache.commons.io.monitor FileAlterationMonitor addObserver

Introduction

In this page you can find the example usage for org.apache.commons.io.monitor FileAlterationMonitor addObserver.

Prototype

public void addObserver(final FileAlterationObserver observer) 

Source Link

Document

Add a file system observer to this monitor.

Usage

From source file:eu.optimis.ics.p2p.MyFileAlterationObserver.java

public static void main(String[] args) throws Exception {
    System.out.println("Present Working Directory is : " + System.getProperty("user.dir"));
    File directory = new File(System.getProperty("user.dir") + "/data");

    IOFileFilter files = FileFilterUtils.and(FileFilterUtils.fileFileFilter(),
            FileFilterUtils.suffixFileFilter(".txt"));

    FileAlterationObserver observer = new FileAlterationObserver(directory, files);
    observer.initialize();//from w  ww  .  jav  a  2 s  .c  o m

    // Add Listener
    MyFileAlterationListener listener = new MyFileAlterationListener();
    observer.addListener(listener);

    FileAlterationMonitor monitor = new FileAlterationMonitor(1000, observer);
    monitor.addObserver(observer);

    monitor.start();

}

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From source file:com.ctt.client.Client.java

public static void main(String[] args) throws Exception {

    Client.prop = new Properties();
    FileReader reader = new FileReader("../config.properties");
    Client.prop.load(reader);/*from w w w.  j  a va  2s  .  co m*/

    String directory = Client.prop.getProperty("directory");

    FilesMonitor listener = new FilesMonitor();
    File folder = new File(directory);

    try {
        FileAlterationObserver observer = new FileAlterationObserver(directory);
        FileAlterationMonitor monitor = new FileAlterationMonitor(1000);
        observer.addListener(listener);
        monitor.addObserver(observer);
        monitor.start();
    } catch (Exception io) {
    }
}

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From source file:com.ctt.sshlistener.Main.java

public static void main(String[] args) throws Exception {

    Main.prop = new Properties();
    FileReader reader = new FileReader("../config.properties");
    Main.prop.load(reader);/*from   w ww . j a  v a  2 s. c o m*/

    String directory = Main.prop.getProperty("directory");

    FilesMonitor listener = new FilesMonitor();
    File folder = new File(directory);

    try {
        FileAlterationObserver observer = new FileAlterationObserver(directory);
        FileAlterationMonitor monitor = new FileAlterationMonitor(10000);
        observer.addListener(listener);
        monitor.addObserver(observer);
        monitor.start();
    } catch (Exception io) {
    }
}

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From source file:com.prototype.utils.IndexChangeMonitorUtil.java

/**
 * The indexing monitoring thread/*from  w ww. j a  v  a2 s .c o m*/
 * 
 * @param client
 *            StompMessageClient used for routing messages to a subscribed
 *            endpoint
 * 
 * @throws Exception
 */
public static FileAlterationMonitor monitorSolr(StompMessageClient client) throws Exception {
    File directory = new File(AppConstants.INDEX_FOLDER);

    // Create an instance of a FileAlterationObserver that is given a
    // SolrIndexFileFilter.
    FileAlterationObserver observer = new FileAlterationObserver(directory, new SolrIndexFileFilter());

    // Add a IndexChangeListenerImpl that has a reference to an instance of
    // a StompMessageClient. The listener is invoked when an index change event happens, 
    // and uses StompMessageClient to send a message to a Websocket topic endpoint.
    observer.addListener(new IndexChangeListenerImpl(client));

    FileAlterationMonitor monitor = new FileAlterationMonitor(AppConstants.POLL_INTERVAL);

    // The FileAlterationObserver will observe file alterations and then
    // invoke the IndexChangeListenerImpl
    monitor.addObserver(observer);

    // Start the FileAlterationMonitor thread
    monitor.start();

    LOGGER.info("monitorSolr() The FileAlterationMonitor thread was started");

    return monitor;
}

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From source file:io.fabric8.vertx.maven.plugin.FileFilterMain.java

private static FileAlterationMonitor fileWatcher(Set<Path> inclDirs) {
    FileAlterationMonitor monitor = new FileAlterationMonitor(1000);

    inclDirs.forEach(path -> {//from  w w w  . j av a  2  s . c om
        System.out.println("Adding Observer to " + path.toString());
        FileAlterationObserver observer = new FileAlterationObserver(path.toFile());
        observer.addListener(new FileAlterationListenerAdaptor() {
            @Override
            public void onFileCreate(File file) {
                System.out.println("File Create:" + file.toString());
            }

            @Override
            public void onFileChange(File file) {
                System.out.println("File Change:" + file.toString());
            }

            @Override
            public void onFileDelete(File file) {
                System.out.println("File Delete:" + file.toString());
            }

        });
        monitor.addObserver(observer);
    });

    return monitor;

}

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From source file:jai.file.utils.FileMonitorTest.java

private void sample() {
    System.out.println("begin sample-> observer=" + FILE_TO_MONITOR);
    File directory = new File(FILE_TO_MONITOR);
    if (directory.exists()) {
        FileAlterationObserver observer = new FileAlterationObserver(directory);
        observer.addListener(new FAListener());

        long interval = 1000;
        FileAlterationMonitor monitor = new FileAlterationMonitor(interval);
        monitor.addObserver(observer);
        try {//from  w ww. j a va  2s . c om
            monitor.start();
            // monitor.stop();
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    } else {
        System.out.println("Path " + FILE_TO_MONITOR + " does not exist.");
    }

}

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From source file:com.cloudera.gertrude.file.FileExperimentSpaceLoader.java

private FileAlterationMonitor getMonitor(long pollIntervalMillis) {
    FileAlterationObserver observer = new FileAlterationObserver(dataFile.getParentFile(), new FileFilter() {
        @Override//from w  w w. j  a v a 2s  .c o  m
        public boolean accept(File file) {
            return dataFile.equals(file);
        }
    });

    observer.addListener(new FileAlterationListenerAdaptor() {
        @Override
        public void onFileChange(File file) {
            file.setLastModified(System.currentTimeMillis());
            reload(false);
        }
    });
    FileAlterationMonitor m = new FileAlterationMonitor(pollIntervalMillis);
    m.addObserver(observer);
    return m;
}

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From source file:it.univaq.disim.connectorOTF.utils.FileMonitor.java

public void monitor(String path) throws Exception {
    // The monitor will perform polling on the folder every 5 seconds
    final long pollingInterval = 5 * 1000;

    File folder = new File(FOLDER);

    if (!folder.exists()) {
        // Test to see if monitored folder exists
        throw new RuntimeException("Directory not found: " + FOLDER);
    }/*from   ww  w.jav a2  s .c  om*/

    FileAlterationObserver observer = new FileAlterationObserver(folder);
    FileAlterationMonitor monitor = new FileAlterationMonitor(pollingInterval);
    FileAlterationListener listener = new SpringAlterationListener();

    observer.addListener(listener);
    monitor.addObserver(observer);
    monitor.start();
}

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From source file:com.japp.FtpConfigTest.java

@Test
public void fTPClientPushTest() throws Exception {

    FileAlterationObserver observer = new FileAlterationObserver(folder);
    FileAlterationMonitor monitor = new FileAlterationMonitor(pollingInterval);

    observer.addListener(listener);//ww w.ja va 2 s.c  o m
    monitor.addObserver(observer);
    monitor.start();

}

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From source file:de.jakusys.jackhammer.cli.upload.command.WatchCommand.java

@Override
public void run() {

    if (!directory.exists()) {
        System.out.println(/*from  w  w  w  .  j a va 2s .  c o m*/
                "Cannot watch directory " + directory.getPath() + ". The specified path could not be found.");
        return;
    }

    Node node;
    try {

        String tmp = rootPath;
        if (rootPath.startsWith("/"))
            tmp = rootPath.substring(1);

        if ("".equals(tmp)) {
            node = session.getRootNode();
        } else {
            node = session.getRootNode().getNode(tmp);
        }
    } catch (RepositoryException e) {
        throw new RuntimeException("Unable to get node", e);
    }

    final DefaultFileHandlerFactory fileHandlerFactory = new DefaultFileHandlerFactory(
            new PathRelativizer(directory));

    final EventBus eventBus = new EventBus();
    eventBus.register(new LoggingEventListener(new Path(rootPath)));
    eventBus.register(new UploadingEventListener(fileHandlerFactory, session, node));

    final FileAlterationObserver observer = new FileAlterationObserver(directory);
    final FileAlterationMonitor monitor = new FileAlterationMonitor(1000);

    PathRelativizer pathRelativizer = new PathRelativizer(directory);

    FileAlterationListener listener = new JackhammerFileAlternationListener(eventBus, pathRelativizer);

    observer.addListener(listener);

    monitor.addObserver(observer);
    try {
        System.out.println(
                "Watching " + directory.getCanonicalPath() + " and uploading changes to " + node.getPath());
        monitor.start();

    } catch (Exception e) {
        throw new RuntimeException("Unable to monitor files", e);
    }
}

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