001/* 002 * #%L 003 * Netarchivesuite - harvester 004 * %% 005 * Copyright (C) 2005 - 2014 The Royal Danish Library, the Danish State and University Library, 006 * the National Library of France and the Austrian National Library. 007 * %% 008 * This program is free software: you can redistribute it and/or modify 009 * it under the terms of the GNU Lesser General Public License as 010 * published by the Free Software Foundation, either version 2.1 of the 011 * License, or (at your option) any later version. 012 * 013 * This program is distributed in the hope that it will be useful, 014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 016 * GNU General Lesser Public License for more details. 017 * 018 * You should have received a copy of the GNU General Lesser Public 019 * License along with this program. If not, see 020 * <http://www.gnu.org/licenses/lgpl-2.1.html>. 021 * #L% 022 */ 023 024package dk.netarkivet.harvester.webinterface; 025 026import javax.servlet.http.HttpServletRequest; 027import javax.servlet.jsp.PageContext; 028 029import org.slf4j.Logger; 030import org.slf4j.LoggerFactory; 031 032import dk.netarkivet.common.exceptions.ArgumentNotValid; 033import dk.netarkivet.common.exceptions.ForwardedToErrorPage; 034import dk.netarkivet.common.utils.I18n; 035import dk.netarkivet.common.webinterface.HTMLUtils; 036import dk.netarkivet.harvester.datamodel.HarvestChannel; 037import dk.netarkivet.harvester.datamodel.HarvestChannelDAO; 038import dk.netarkivet.harvester.datamodel.HarvestDefinitionDAO; 039 040/** 041 * Abstract class representing web UI action for harvest channels. 042 */ 043public abstract class HarvestChannelAction { 044 045 public static enum ActionType { 046 createHarvestChannel, mapHarvestToChannel 047 } 048 049 public final static String ACTION = "channelAction"; 050 public final static String CHANNEL_NAME = "channelName"; 051 public final static String HARVEST_ID = "harvestId"; 052 public final static String CHANNEL_ID = "channelId"; 053 public final static String SNAPSHOT = "channelIsSnapshot"; 054 public final static String COMMENTS = "channelComments"; 055 056 //private static final Log log = LogFactory.getLog(HarvestChannelAction.class); 057 protected static final Logger log = LoggerFactory.getLogger(HarvestChannelAction.class); 058 /** 059 * This method processes the request to determine which action it corresponds to and passes the request along 060 * accordingly. Available actions are: 061 * <ul> 062 * <li>create harvest channel</li> 063 * <li>map harvest definition to channel</li> 064 * </ul> 065 * 066 * @param context the original servlet context of the request. 067 * @param i18n the internationalisation to be used. 068 * @throws ForwardedToErrorPage if an exception is thrown while carrying out the action. 069 */ 070 public static void processRequest(PageContext context, I18n i18n) throws ForwardedToErrorPage { 071 ArgumentNotValid.checkNotNull(context, "PageContext context"); 072 ArgumentNotValid.checkNotNull(i18n, "I18n i18n"); 073 log.debug("Processing request"); 074 HttpServletRequest request = (HttpServletRequest) context.getRequest(); 075 try { 076 String action = request.getParameter(ACTION); 077 if (action == null || action.isEmpty()) { 078 return; 079 } 080 switch (ActionType.valueOf(action)) { 081 case createHarvestChannel: 082 String name = request.getParameter(CHANNEL_NAME); 083 HTMLUtils.forwardOnEmptyParameter(context, CHANNEL_NAME); 084 HarvestChannelDAO dao = HarvestChannelDAO.getInstance(); 085 dao.create(new HarvestChannel(name, false, false, request.getParameter(COMMENTS))); 086 break; 087 case mapHarvestToChannel: 088 long harvestId = Long.parseLong(request.getParameter(HARVEST_ID)); 089 long channelId = Long.parseLong(request.getParameter(CHANNEL_ID)); 090 HarvestChannelDAO hcDao = HarvestChannelDAO.getInstance(); 091 HarvestDefinitionDAO hdDao = HarvestDefinitionDAO.getInstance(); 092 hdDao.mapToHarvestChannel(harvestId, hcDao.getById(channelId)); 093 break; 094 default: 095 } 096 } catch (Throwable e) { 097 HTMLUtils.forwardWithErrorMessage(context, i18n, e, "errormsg;harvest.channel.create.error"); 098 throw new ForwardedToErrorPage("Error in Harvest Channels", e); 099 } 100 } 101 102}