001/* 002 * (C) Copyright 2006-2014 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; 020 021/* 022 * Wrap a {@link FileEventHandler} for being enlisted in the 023 * {@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 boolean aboutToHandleEvent(Event event) { 037 return true; 038 } 039 040 @Override 041 public void handleEvent(Event anEvent) { 042 ((FileEvent) anEvent).handle(handler); 043 } 044 045 public void install() { 046 FileEvent.listen(this); 047 } 048 049 public void uninstall() { 050 FileEvent.ignore(this); 051 } 052}