Example usage for org.apache.commons.jci.monitor FilesystemAlterationObserver addListener

Introduction

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

Prototype

void addListener(final FilesystemAlterationListener pListener);

Source Link

Usage

From source file:org.apache.accumulo.start.classloader.AccumuloFilesystemAlterationMonitor.java

public void addListener(final File pRoot, final FilesystemAlterationListener pListener) {

    FilesystemAlterationObserver observer;

    synchronized (observersLock) {
        observer = (FilesystemAlterationObserver) observers.get(pRoot);

        if (observer == null) {
            final Map newObservers = new HashMap(observers);
            observer = new FilesystemAlterationObserverImpl(pRoot);
            newObservers.put(pRoot, observer);
            observers = Collections.unmodifiableMap(newObservers);
        }/*  w  ww .  j  av a 2s .c  o  m*/
    }

    observer.addListener(pListener);
}

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