| /* |
| * 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.ArrayList; |
| 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.business.URLStrategy; |
| import org.apache.roller.weblogger.business.WebloggerFactory; |
| import org.apache.roller.weblogger.pojos.WeblogEntry; |
| import org.apache.roller.weblogger.pojos.Weblog; |
| import org.apache.roller.weblogger.pojos.WeblogEntrySearchCriteria; |
| import org.apache.roller.weblogger.pojos.wrapper.WeblogEntryWrapper; |
| |
| |
| /** |
| * A pager over a collection of recent weblog entries. |
| */ |
| public class WeblogEntriesLatestPager extends AbstractWeblogEntriesPager { |
| |
| private static Log log = LogFactory.getLog(WeblogEntriesLatestPager.class); |
| |
| // collection for the pager |
| private Map<Date, List<WeblogEntryWrapper>> entries = null; |
| |
| // are there more pages? |
| private boolean more = false; |
| |
| |
| public WeblogEntriesLatestPager( |
| 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); |
| |
| // initialize the pager collection |
| getEntries(); |
| } |
| |
| |
| public Map<Date, List<WeblogEntryWrapper>> getEntries() { |
| |
| if (entries == null) { |
| entries = new TreeMap<Date, List<WeblogEntryWrapper>>(Collections.reverseOrder()); |
| try { |
| WeblogEntrySearchCriteria wesc = new WeblogEntrySearchCriteria(); |
| wesc.setWeblog(weblog); |
| wesc.setEndDate(new Date()); |
| wesc.setCatName(catName); |
| wesc.setTags(tags); |
| wesc.setStatus(WeblogEntry.PubStatus.PUBLISHED); |
| wesc.setLocale(locale); |
| wesc.setOffset(offset); |
| wesc.setMaxResults(length+1); |
| Map<Date, List<WeblogEntry>> mmap = WebloggerFactory.getWeblogger().getWeblogEntryManager().getWeblogEntryObjectMap(wesc); |
| |
| // need to wrap pojos |
| int count = 0; |
| for (Map.Entry<Date, List<WeblogEntry>> entry : mmap.entrySet()) { |
| // now we need to go through each entry in a day and wrap |
| List<WeblogEntryWrapper> wrapped = new ArrayList<WeblogEntryWrapper>(); |
| List<WeblogEntry> unwrapped = entry.getValue(); |
| for (int i=0; i < unwrapped.size(); i++) { |
| if (count++ < length) { |
| wrapped.add(i,WeblogEntryWrapper.wrap(unwrapped.get(i), urlStrategy)); |
| } else { |
| more = true; |
| } |
| } |
| |
| // done with that day, put it in the map |
| if (wrapped.size() > 0) { |
| entries.put(entry.getKey(), wrapped); |
| } |
| } |
| } catch (Exception e) { |
| log.error("ERROR: getting entry month map", e); |
| } |
| } |
| |
| return entries; |
| } |
| |
| |
| public boolean hasMoreEntries() { |
| return more; |
| } |
| |
| } |