001/*
002 * (C) Copyright 2011 Nuxeo SA (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     Anahide Tchertchian
016 */
017package org.nuxeo.ecm.platform.ui.web.rest.services;
018
019import org.apache.commons.logging.Log;
020import org.apache.commons.logging.LogFactory;
021import org.nuxeo.ecm.platform.ui.web.rest.api.URLPolicyService;
022import org.nuxeo.runtime.api.Framework;
023import org.nuxeo.runtime.reload.ReloadEventNames;
024import org.nuxeo.runtime.services.event.Event;
025import org.nuxeo.runtime.services.event.EventListener;
026
027/**
028 * Event listener that flushes the {@link URLPolicyService} cache.
029 *
030 * @since 5.5
031 */
032public class URLPolicyServiceCacheFlusher implements EventListener {
033
034    private static final Log log = LogFactory.getLog(URLPolicyServiceCacheFlusher.class);
035
036    @Override
037    public boolean aboutToHandleEvent(Event event) {
038        return false;
039    }
040
041    @Override
042    public void handleEvent(Event event) {
043        if (!Framework.isDevModeSet()) {
044            log.info("Do not flush the URL policy service: dev mode is not set");
045            return;
046        }
047        if (!ReloadEventNames.FLUSH_EVENT_ID.equals(event.getId())) {
048            return;
049        }
050        Framework.getService(URLPolicyService.class).flushCache();
051    }
052
053}