com.helger.commons.io.monitor.IFileMonitorCallback Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of ph-commons Show documentation

Java 1.6+ Library with tons of utility classes required in all projects

There is a newer version: 9.5.5

/**
 * Copyright (C) 2014-2016 Philip Helger (www.helger.com)
 * philip[at]helger[dot]com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.helger.commons.io.monitor;

import javax.annotation.Nonnull;

import com.helger.commons.callback.ICallback;

/**
 * Listens for changes to a file.
 *
 * @author Commons VFS
 *         team
 * @author Philip Helger
 */
public interface IFileMonitorCallback extends ICallback
{
  /**
   * Called when a file is created.
   *
   * @param aEvent
   *        The FileChangeEvent. Never null.
   */
  default void onFileCreated (@Nonnull final FileChangeEvent aEvent)
  {}

  /**
   * Called when a file is deleted.
   *
   * @param aEvent
   *        The FileChangeEvent. Never null.
   */
  default void onFileDeleted (@Nonnull final FileChangeEvent aEvent)
  {}

  /**
   * Called when a file is changed.
   *
   * @param aEvent
   *        The FileChangeEvent. Never null.
   */
  default void onFileChanged (@Nonnull final FileChangeEvent aEvent)
  {}
}