| /* |
| * 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.ui.rendering.pagers; |
| |
| import java.util.Collections; |
| import java.util.Date; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.TreeMap; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.roller.weblogger.WebloggerException; |
| import org.apache.roller.weblogger.business.URLStrategy; |
| import org.apache.roller.weblogger.business.Weblogger; |
| import org.apache.roller.weblogger.business.WebloggerFactory; |
| import org.apache.roller.weblogger.business.WeblogEntryManager; |
| import org.apache.roller.weblogger.pojos.WeblogEntry; |
| import org.apache.roller.weblogger.pojos.WeblogEntry.PubStatus; |
| import org.apache.roller.weblogger.pojos.Weblog; |
| import org.apache.roller.weblogger.pojos.wrapper.WeblogEntryWrapper; |
| import org.apache.roller.weblogger.util.Utilities; |
| |
| |
| /** |
| * |
| */ |
| public class WeblogEntriesPermalinkPager extends AbstractWeblogEntriesPager { |
| |
| private static Log log = LogFactory.getLog(WeblogEntriesPermalinkPager.class); |
| |
| WeblogEntry currEntry = null; |
| WeblogEntry nextEntry = null; |
| WeblogEntry prevEntry = null; |
| |
| // collection for the pager |
| Map entries = null; |
| |
| |
| public WeblogEntriesPermalinkPager( |
| URLStrategy strat, |
| Weblog weblog, |
| String locale, |
| String pageLink, |
| String entryAnchor, |
| String dateString, |
| String catName, |
| List tags, |
| int page) { |
| |
| super(strat, weblog, locale, pageLink, entryAnchor, dateString, catName, tags, page); |
| |
| getEntries(); |
| } |
| |
| |
| public Map getEntries() { |
| if (entries == null) { |
| try { |
| Weblogger roller = WebloggerFactory.getWeblogger(); |
| WeblogEntryManager wmgr = roller.getWeblogEntryManager(); |
| currEntry = wmgr.getWeblogEntryByAnchor(weblog, entryAnchor); |
| if (currEntry != null && currEntry.getStatus().equals(PubStatus.PUBLISHED)) { |
| entries = new TreeMap(); |
| entries.put(new Date(currEntry.getPubTime().getTime()),Collections.singletonList(WeblogEntryWrapper.wrap(currEntry, urlStrategy))); |
| } |
| } catch (Exception e) { |
| log.error("ERROR: fetching entry"); |
| } |
| } |
| |
| |
| |
| return entries; |
| } |
| |
| |
| @Override |
| public String getHomeLink() { |
| return createURL(0, 0, weblog, locale, pageLink, null, dateString, catName, tags); |
| } |
| |
| |
| @Override |
| public String getHomeName() { |
| return messageUtils.getString("weblogEntriesPager.single.home"); |
| } |
| |
| |
| @Override |
| public String getNextLink() { |
| if (getNextEntry() != null) { |
| return createURL(0, 0, weblog, locale, pageLink, nextEntry.getAnchor(), dateString, catName, tags); |
| } |
| return null; |
| } |
| |
| |
| @Override |
| public String getNextName() { |
| if (getNextEntry() != null) { |
| String title = Utilities.truncateNicely(getNextEntry().getTitle(), 15, 20, "..."); |
| return messageUtils.getString("weblogEntriesPager.single.next", new Object[] {title}); |
| } |
| return null; |
| } |
| |
| |
| @Override |
| public String getPrevLink() { |
| if (getPrevEntry() != null) { |
| return createURL(0, 0, weblog, locale, pageLink, prevEntry.getAnchor(), dateString, catName, tags); |
| } |
| return null; |
| } |
| |
| |
| @Override |
| public String getPrevName() { |
| if (getPrevEntry() != null) { |
| String title = Utilities.truncateNicely(getPrevEntry().getTitle(), 15, 20, "..."); |
| return messageUtils.getString("weblogEntriesPager.single.prev", new Object[] {title}); |
| } |
| return null; |
| } |
| |
| |
| private WeblogEntry getNextEntry() { |
| if (nextEntry == null) { |
| try { |
| Weblogger roller = WebloggerFactory.getWeblogger(); |
| WeblogEntryManager wmgr = roller.getWeblogEntryManager(); |
| nextEntry = wmgr.getNextEntry(currEntry, null, locale); |
| // make sure that entry is published and not to future |
| if (nextEntry != null && nextEntry.getPubTime().after(new Date()) |
| && nextEntry.getStatus().equals(PubStatus.PUBLISHED)) { |
| nextEntry = null; |
| } |
| } catch (WebloggerException e) { |
| log.error("ERROR: getting next entry", e); |
| } |
| } |
| |
| return nextEntry; |
| } |
| |
| |
| private WeblogEntry getPrevEntry() { |
| if (prevEntry == null) { |
| try { |
| Weblogger roller = WebloggerFactory.getWeblogger(); |
| WeblogEntryManager wmgr = roller.getWeblogEntryManager(); |
| prevEntry = wmgr.getPreviousEntry(currEntry, null, locale); |
| // make sure that entry is published and not to future |
| if (prevEntry != null && prevEntry.getPubTime().after(new Date()) |
| && prevEntry.getStatus().equals(PubStatus.PUBLISHED)) { |
| prevEntry = null; |
| } |
| } catch (WebloggerException e) { |
| log.error("ERROR: getting prev entry", e); |
| } |
| } |
| |
| return prevEntry; |
| } |
| |
| } |