001/*
002 * (C) Copyright 2011 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 *
016 * Contributors:
017 *     Anahide Tchertchian
018 */
019package org.nuxeo.ecm.platform.ui.web.rest.services;
020
021import org.apache.commons.logging.Log;
022import org.apache.commons.logging.LogFactory;
023import org.nuxeo.ecm.platform.ui.web.rest.api.URLPolicyService;
024import org.nuxeo.runtime.api.Framework;
025import org.nuxeo.runtime.reload.ReloadEventNames;
026import org.nuxeo.runtime.services.event.Event;
027import org.nuxeo.runtime.services.event.EventListener;
028
029/**
030 * Event listener that flushes the {@link URLPolicyService} cache.
031 *
032 * @since 5.5
033 */
034public class URLPolicyServiceCacheFlusher implements EventListener {
035
036    private static final Log log = LogFactory.getLog(URLPolicyServiceCacheFlusher.class);
037
038    @Override
039    public boolean aboutToHandleEvent(Event event) {
040        return false;
041    }
042
043    @Override
044    public void handleEvent(Event event) {
045        if (!Framework.isDevModeSet()) {
046            log.info("Do not flush the URL policy service: dev mode is not set");
047            return;
048        }
049        if (!ReloadEventNames.FLUSH_EVENT_ID.equals(event.getId())) {
050            return;
051        }
052        Framework.getService(URLPolicyService.class).flushCache();
053    }
054
055}