Example usage for org.apache.commons.io.monitor FileAlterationObserver addListener

Introduction

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

Prototype

public void addListener(final FileAlterationListener listener) 

Source Link

Document

Add a file system listener.

Usage

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  .jav a  2 s . c om*/

    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);// www. ja  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: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  w w. j  a v  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.puzzle.module.FileMonitorUtils.java

public static boolean monitorDircetory(String scanPath, long interval, FileFileFilter f,
        FileAlterationListenerAdaptor listener) {

    if (scanPath == null) {
        return false;
    }/*from w  w w  .ja v  a 2s.  co  m*/
    log.info("" + scanPath);
    FileAlterationObserver observer = new FileAlterationObserver(scanPath, f);

    observer.addListener(listener);

    FileAlterationMonitor fileMonitor = new FileAlterationMonitor(interval,
            new FileAlterationObserver[] { observer });
    try {
        fileMonitor.start();
    } catch (Exception ex) {
        ex.printStackTrace();
        return false;
    }

    return true;
}

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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 a v  a 2 s.c o m
        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:com.prototype.utils.IndexChangeMonitorUtil.java

/**
 * The indexing monitoring thread//  w  w w.ja  v  a  2 s  . c  om
 * 
 * @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:it.geosolutions.filesystemmonitor.neutral.monitorpolling.GBFileSystemMonitorJob.java

/**
 * Try to build the Observer using informations stored into the JobDataMap
 * //from  ww w.  j  a va  2s .c  o m
 * @note this method is not sync
 * @param jdm
 * @return
 * @throws JobExecutionException
 */
private static FileAlterationObserver buildObserver(JobDataMap jdm) throws JobExecutionException {

    FileAlterationObserver observer = null;
    final GBEventNotifier notifier;
    // first time build
    try {
        final File directory = new File(jdm.getString(FileSystemMonitorSPI.SOURCE_KEY));

        observer = new FileAlterationObserver(directory,
                new WildcardFileFilter(jdm.getString(FileSystemMonitorSPI.WILDCARD_KEY)));

        notifier = (GBEventNotifier) jdm.get(EVENT_NOTIFIER_KEY);

        final FileAlterationListener fal = new GBFileAlterationListener(notifier);

        observer.addListener(fal);
    } catch (ClassCastException cce) {
        // ClassCastException - if the identified object is not a String.
        throw exceptionPolicy(ExcPolicy.IMMEDIATELY,
                "The identified object is not a String.\n" + cce.getLocalizedMessage(), cce);

    } catch (NullPointerException npe) {
        // NullPointerException - If the pathname argument is null
        throw exceptionPolicy(ExcPolicy.IMMEDIATELY,
                "The pathname argument is null.\n" + npe.getLocalizedMessage(), npe);
    } catch (IllegalArgumentException iae) {
        // IllegalArgumentException - if the pattern is null
        throw exceptionPolicy(ExcPolicy.IMMEDIATELY, "The pattern is null.\n" + iae.getLocalizedMessage(), iae);
    } catch (Throwable e) {
        throw exceptionPolicy(ExcPolicy.IMMEDIATELY,
                "Probably the consumer cannot start.\n" + e.getLocalizedMessage(), e);
    }

    try {
        observer.initialize();
    } catch (Throwable t) {
        throw exceptionPolicy(ExcPolicy.IMMEDIATELY, "An error occurs.\n" + t.getLocalizedMessage(), t);
    }

    jdm.put(OBSERVER_KEY, observer);

    return observer;
}

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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);//from ww w  . j  a v a 2 s.com
        try {
            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.enonic.cms.core.plugin.deploy.HotDeployTask.java

@PostConstruct
public void start() {
    try {//from  w w w  . j a  va 2 s  .com
        final JarFileFilter filter = new JarFileFilter();

        final FileAlterationObserver observer = new FileAlterationObserver(this.deployDir, filter);
        observer.addListener(new HotDeployListener(this.pluginManager));
        observer.checkAndNotify();

        this.monitor = new FileAlterationMonitor(this.scanPeriod, observer);
        this.monitor.start();

        LOG.info("Hot deploying plugins from [{}]. Scanning every [{}] ms.", this.deployDir.getAbsolutePath(),
                this.scanPeriod);
    } catch (Exception e) {
        LOG.error("cannot start monitor.", e);
    }
}

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From source file:ch.ivyteam.ivy.maven.engine.deploy.FileLogForwarder.java

public synchronized void activate() throws MojoExecutionException {
    IOFileFilter logFilter = FileFilterUtils.and(FileFilterUtils.fileFileFilter(),
            FileFilterUtils.nameFileFilter(engineLog.getName()));
    FileAlterationObserver fileObserver = new FileAlterationObserver(engineLog.getParent(), logFilter);
    fileObserver.addListener(new LogModificationListener());
    monitor = new FileAlterationMonitor(100);
    monitor.addObserver(fileObserver);/*  ww  w  .  j a va2 s  .  co m*/
    try {
        monitor.start();
    } catch (Exception ex) {
        throw new MojoExecutionException("Failed to activate deploy log forwarder", ex);
    }
}

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