| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. The ASF licenses this file to You |
| * under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. For additional information regarding |
| * copyright in this work, please see the NOTICE file in the top level |
| * directory of this distribution. |
| */ |
| |
| package org.apache.roller.weblogger.planet.tasks; |
| |
| import java.util.Date; |
| import java.util.Properties; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.roller.weblogger.business.runnable.RollerTaskWithLeasing; |
| import org.apache.roller.planet.business.updater.FeedUpdater; |
| import org.apache.roller.planet.business.updater.SingleThreadedFeedUpdater; |
| import org.apache.roller.weblogger.WebloggerException; |
| import org.apache.roller.weblogger.business.GuiceWebloggerProvider; |
| import org.apache.roller.weblogger.business.WebloggerFactory; |
| import org.apache.roller.weblogger.business.WebloggerProvider; |
| import org.apache.roller.weblogger.business.startup.WebloggerStartup; |
| import org.apache.roller.weblogger.config.WebloggerConfig; |
| |
| |
| /** |
| * Updates Planet aggregator's database of feed entries. |
| * <pre> |
| * - Designed to be run outside of Roller via the TaskRunner class |
| * - Calls Planet business layer to refresh entries |
| * </pre> |
| */ |
| public class RefreshRollerPlanetTask extends RollerTaskWithLeasing { |
| private static Log log = LogFactory.getLog(RefreshRollerPlanetTask.class); |
| |
| public static String NAME = "RefreshRollerPlanetTask"; |
| |
| // a unique id for this specific task instance |
| // this is meant to be unique for each client in a clustered environment |
| private String clientId = "unspecifiedClientId"; |
| |
| // a String description of when to start this task |
| private String startTimeDesc = "immediate"; |
| |
| // interval at which the task is run, default is 60 minutes |
| private int interval = 60; |
| |
| // lease time given to task, default is 10 minutes |
| private int leaseTime = 10; |
| |
| |
| public String getClientId() { |
| return clientId; |
| } |
| |
| public Date getStartTime(Date currentTime) { |
| return getAdjustedTime(currentTime, startTimeDesc); |
| } |
| |
| public String getStartTimeDesc() { |
| return startTimeDesc; |
| } |
| |
| public int getInterval() { |
| return this.interval; |
| } |
| |
| public int getLeaseTime() { |
| return this.leaseTime; |
| } |
| |
| public void init() throws WebloggerException { |
| this.init(RefreshRollerPlanetTask.NAME); |
| } |
| |
| @Override |
| public void init(String name) throws WebloggerException { |
| super.init(name); |
| |
| // get relevant props |
| Properties props = this.getTaskProperties(); |
| |
| // extract clientId |
| String client = props.getProperty("clientId"); |
| if(client != null) { |
| this.clientId = client; |
| } |
| |
| // extract start time |
| String startTimeStr = props.getProperty("startTime"); |
| if(startTimeStr != null) { |
| this.startTimeDesc = startTimeStr; |
| } |
| |
| // extract interval |
| String intervalStr = props.getProperty("interval"); |
| if(intervalStr != null) { |
| try { |
| this.interval = Integer.parseInt(intervalStr); |
| } catch (NumberFormatException ex) { |
| log.warn("Invalid interval: "+intervalStr); |
| } |
| } |
| |
| // extract lease time |
| String leaseTimeStr = props.getProperty("leaseTime"); |
| if(leaseTimeStr != null) { |
| try { |
| this.leaseTime = Integer.parseInt(leaseTimeStr); |
| } catch (NumberFormatException ex) { |
| log.warn("Invalid leaseTime: "+leaseTimeStr); |
| } |
| } |
| } |
| |
| |
| public void runTask() { |
| try { |
| log.info("Refreshing Planet subscriptions"); |
| |
| FeedUpdater updater = new SingleThreadedFeedUpdater(); |
| updater.updateSubscriptions(); |
| |
| } catch (Exception e) { |
| log.error("ERROR refreshing planet", e); |
| } finally { |
| // always release |
| WebloggerFactory.getWeblogger().release(); |
| } |
| } |
| |
| |
| public static void main(String[] args) throws Exception { |
| |
| // before we can do anything we need to bootstrap the planet backend |
| WebloggerStartup.prepare(); |
| |
| // we need to use our own planet provider for integration |
| String guiceModule = WebloggerConfig.getProperty("planet.aggregator.guice.module"); |
| WebloggerProvider provider = new GuiceWebloggerProvider(guiceModule); |
| WebloggerFactory.bootstrap(provider); |
| |
| RefreshRollerPlanetTask task = new RefreshRollerPlanetTask(); |
| task.init(); |
| task.run(); |
| } |
| |
| } |