| /* |
| * Copyright 2005 Sun Microsystems, Inc. |
| * |
| * Licensed 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. |
| */ |
| |
| package org.apache.roller.weblogger.planet.ui; |
| |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.roller.RollerException; |
| import org.apache.roller.planet.business.PlanetManager; |
| import org.apache.roller.planet.business.fetcher.FeedFetcher; |
| import org.apache.roller.planet.business.fetcher.FetcherException; |
| import org.apache.roller.planet.pojos.Planet; |
| import org.apache.roller.planet.pojos.PlanetGroup; |
| import org.apache.roller.planet.pojos.Subscription; |
| import org.apache.roller.weblogger.business.WebloggerFactory; |
| import org.apache.roller.weblogger.pojos.GlobalPermission; |
| import org.apache.struts2.interceptor.ServletRequestAware; |
| |
| import javax.servlet.http.HttpServletRequest; |
| import java.util.*; |
| |
| |
| /** |
| * Manage planet group subscriptions, default group is "all". |
| */ |
| // TODO: make this work @AllowedMethods({"execute","saveSubscription","saveGroup","deleteSubscription"}) |
| public class PlanetGroupSubs extends PlanetUIAction implements ServletRequestAware { |
| |
| private static final Log log = LogFactory.getLog(PlanetGroupSubs.class); |
| |
| // the planet group we are working in |
| private PlanetGroup group = null; |
| |
| // the subscription to deal with |
| private String subUrl = null; |
| |
| private Boolean createNew = null; |
| |
| public PlanetGroupSubs() { |
| this.actionName = "planetGroupSubs"; |
| this.desiredMenu = "admin"; |
| } |
| |
| |
| @Override |
| public List<String> requiredGlobalPermissionActions() { |
| return Collections.singletonList(GlobalPermission.ADMIN); |
| } |
| |
| @Override |
| public boolean isWeblogRequired() { |
| return false; |
| } |
| |
| |
| @Override |
| public void setServletRequest(HttpServletRequest request) { |
| if (request.getParameter("createNew") != null) { |
| group = new PlanetGroup(); |
| } else { |
| group = getGroupFromRequest(request, getPlanet()); |
| } |
| } |
| |
| |
| static PlanetGroup getGroupFromRequest(HttpServletRequest request, Planet planet) { |
| PlanetManager pmgr = WebloggerFactory.getWeblogger().getPlanetManager(); |
| PlanetGroup planetGroup = null; |
| String action = null; |
| try { |
| if (request.getParameter("group.id") != null) { |
| String groupId = request.getParameter("group.id"); |
| action = "looking up planet group by id: " + groupId; |
| planetGroup = pmgr.getGroupById(groupId); |
| |
| } else if (request.getParameter("group.handle") != null) { |
| String groupHandle = request.getParameter("group.handle"); |
| action = "looking up planet group by handle: " + groupHandle; |
| planetGroup = pmgr.getGroup(planet, groupHandle); |
| |
| } else { |
| action = "getting default group"; |
| planetGroup = pmgr.getGroup(planet, "all"); |
| } |
| } catch (Exception ex) { |
| log.error("Error " + action, ex); |
| } |
| return planetGroup; |
| } |
| |
| /** |
| * Populate page model and forward to subscription page |
| */ |
| public String execute() { |
| return LIST; |
| } |
| |
| /** |
| * Save group. |
| */ |
| public String saveGroup() { |
| |
| validateGroup(); |
| |
| if (!hasActionErrors()) { |
| try { |
| PlanetManager planetManager = WebloggerFactory.getWeblogger().getPlanetManager(); |
| |
| PlanetGroup existingGroup = planetManager.getGroup(getPlanet(), getGroup().getHandle()); |
| |
| if (existingGroup == null) { |
| log.debug("Adding New Group: " + getGroup().getHandle()); |
| planetManager.saveNewPlanetGroup(getPlanet(), getGroup()); |
| |
| } else { |
| log.debug("Updating Existing Group: " + existingGroup.getHandle()); |
| existingGroup.setTitle( getGroup().getTitle() ); |
| existingGroup.setHandle( getGroup().getHandle() ); |
| planetManager.saveGroup(existingGroup); |
| } |
| |
| WebloggerFactory.getWeblogger().flush(); |
| addMessage("planetGroups.success.saved"); |
| |
| } catch (Exception ex) { |
| log.error("Error saving planet group", ex); |
| addError("planetGroups.error.saved"); |
| } |
| } |
| |
| return LIST; |
| } |
| |
| /** |
| * Validate posted group |
| */ |
| private void validateGroup() { |
| |
| if (StringUtils.isEmpty(getGroup().getTitle())) { |
| addError("planetGroups.error.title"); |
| } |
| |
| if (StringUtils.isEmpty(getGroup().getHandle())) { |
| addError("planetGroups.error.handle"); |
| } |
| |
| if (getGroup().getHandle() != null && "all".equals(getGroup().getHandle())) { |
| addError("planetGroups.error.nameReserved"); |
| } |
| |
| // make sure duplicate group handles are prevented |
| } |
| |
| |
| /** |
| * Save subscription, add to current group |
| */ |
| public String saveSubscription() { |
| |
| valudateNewSub(); |
| |
| if (!hasActionErrors()) { |
| try { |
| PlanetManager pmgr = WebloggerFactory.getWeblogger().getPlanetManager(); |
| |
| // check if this subscription already exists before adding it |
| Subscription sub = pmgr.getSubscription(getSubUrl()); |
| if (sub == null) { |
| log.debug("Adding New Subscription - " + getSubUrl()); |
| |
| // sub doesn't exist yet, so we need to fetch it |
| FeedFetcher fetcher = WebloggerFactory.getWeblogger().getFeedFetcher(); |
| sub = fetcher.fetchSubscription(getSubUrl()); |
| |
| // save new sub |
| pmgr.saveSubscription(sub); |
| |
| } else { |
| // Subscription already exists |
| log.debug("Adding Existing Subscription - " + getSubUrl()); |
| } |
| |
| // add the sub to the group |
| group.getSubscriptions().add(sub); |
| sub.getGroups().add(group); |
| pmgr.saveGroup(group); |
| WebloggerFactory.getWeblogger().flush(); |
| |
| // clear field after success |
| setSubUrl(null); |
| |
| addMessage("planetSubscription.success.saved"); |
| |
| } catch (FetcherException ex) { |
| addError("planetGroupSubs.error.fetchingFeed", ex.getRootCauseMessage()); |
| |
| } catch (RollerException ex) { |
| log.error("Unexpected error saving subscription", ex); |
| addError("planetGroupSubs.error.duringSave", ex.getRootCauseMessage()); |
| } |
| } |
| |
| return LIST; |
| } |
| |
| |
| /** |
| * Delete subscription, reset form |
| */ |
| public String deleteSubscription() { |
| |
| if (getSubUrl() != null) { |
| try { |
| |
| PlanetManager pmgr = WebloggerFactory.getWeblogger().getPlanetManager(); |
| |
| // remove subscription |
| Subscription sub = pmgr.getSubscription(getSubUrl()); |
| getGroup().getSubscriptions().remove(sub); |
| sub.getGroups().remove(getGroup()); |
| pmgr.saveGroup(getGroup()); |
| WebloggerFactory.getWeblogger().flush(); |
| |
| // clear field after success |
| setSubUrl(null); |
| |
| addMessage("planetSubscription.success.deleted"); |
| |
| } catch (RollerException ex) { |
| log.error("Error removing planet subscription", ex); |
| addError("planetSubscription.error.deleting"); |
| } |
| } |
| |
| return LIST; |
| } |
| |
| |
| /** |
| * Validate posted subscription |
| */ |
| private void valudateNewSub() { |
| |
| if (StringUtils.isEmpty(getSubUrl())) { |
| addError("planetSubscription.error.feedUrl"); |
| } |
| } |
| |
| |
| @Override |
| public String getPageTitle() { |
| if (pageTitle == null) { |
| if (getCreateNew()) { |
| pageTitle = getText("planetGroupSubs.custom.title.new"); |
| } else if (getGroup().getHandle().equals("all")) { |
| pageTitle = getText("planetGroupSubs.default.title"); |
| } else { |
| pageTitle = getText("planetGroupSubs.custom.title", new String[]{getGroup().getHandle()}); |
| } |
| } |
| return pageTitle; |
| } |
| |
| |
| public List<Subscription> getSubscriptions() { |
| |
| List<Subscription> subs = Collections.emptyList(); |
| if (getGroup() != null) { |
| Set<Subscription> subsSet = getGroup().getSubscriptions(); |
| |
| // iterate over list and build display list |
| subs = new ArrayList<>(); |
| for (Subscription sub : subsSet) { |
| // only include external subs for display |
| if (!sub.getFeedURL().startsWith("weblogger:")) { |
| subs.add(sub); |
| } |
| } |
| } |
| |
| return subs; |
| } |
| |
| public PlanetGroup getGroup() { |
| return group; |
| } |
| |
| public void setGroup(PlanetGroup group) { |
| this.group = group; |
| } |
| |
| public String getSubUrl() { |
| return subUrl; |
| } |
| |
| public void setSubUrl(String subUrl) { |
| this.subUrl = subUrl; |
| } |
| |
| public boolean getCreateNew() { |
| if (createNew == null) { |
| PlanetManager pmgr = WebloggerFactory.getWeblogger().getPlanetManager(); |
| PlanetGroup existingGroup = null; |
| try { |
| existingGroup = pmgr.getGroupById(group.getId()); |
| } catch (RollerException e) { |
| log.error("Error getting group by ID", e); |
| } |
| createNew = (existingGroup == null); |
| } |
| return createNew; |
| } |
| |
| public void setCreateNew(boolean createNew) { |
| // no op |
| } |
| |
| public String getGroupHandle() { |
| return group.getHandle(); |
| } |
| |
| } |
| |
| |