001/*
002 * (C) Copyright 2006-2016 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.nuxeo.runtime.trackers.files;
017
018import org.nuxeo.runtime.services.event.Event;
019import org.nuxeo.runtime.services.event.EventListener;
020import org.nuxeo.runtime.services.event.EventService;
021
022/**
023 * Wrap a {@link FileEventHandler} for being enlisted in the {@link EventService}.
024 *
025 * @since 6.0
026 */
027public class FileEventListener implements EventListener {
028
029    protected final FileEventHandler handler;
030
031    public FileEventListener(FileEventHandler anHandler) {
032        handler = anHandler;
033    }
034
035    @Override
036    public void handleEvent(Event anEvent) {
037        ((FileEvent) anEvent).handle(handler);
038    }
039
040    public void install() {
041        FileEvent.listen(this);
042    }
043
044    public void uninstall() {
045        FileEvent.ignore(this);
046    }
047}