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File system apis.

There is a newer version: 2.1.12

package com.swoval.files.apple;

import static com.swoval.files.apple.Flags.Event.ItemCreated;
import static com.swoval.files.apple.Flags.Event.ItemInodeMetaMod;
import static com.swoval.files.apple.Flags.Event.ItemModified;
import static com.swoval.files.apple.Flags.Event.ItemRemoved;

/**
 * Simple wrapper around the event provided by the apple file system event callback.
 *
 * @see FsEventStreamCallback
 */
public class FileEvent extends Event {
  public final String fileName;
  private final int _flags;

  public FileEvent(final String fileName, final int flags) {
    this.fileName = fileName;
    this._flags = flags;
  }

  private boolean hasFlags(int f) {
    return (_flags & f) != 0;
  }

  public boolean isModified() {
    return hasFlags(ItemInodeMetaMod | ItemModified);
  }

  public boolean isNewFile() {
    return isCreated() && !isModified() && !isRemoved() && !isTouched();
  }

  public boolean isCreated() {
    return hasFlags(ItemCreated);
  }

  public boolean isRemoved() {
    return hasFlags(ItemRemoved);
  }

  public boolean isTouched() {
    return hasFlags(ItemInodeMetaMod);
  }

  @Override
  public String toString() {
    return "FileEvent(" + fileName + ", " + Flags.Event.flags(this) + ")";
  }

  @Override
  public int flags() {
    return _flags;
  }
}