Java tutorial
/* * Sone - ViewSonePage.java - Copyright 20102013 David Roden * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package net.pterodactylus.sone.web; import java.net.URI; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Set; import net.pterodactylus.sone.data.Post; import net.pterodactylus.sone.data.PostReply; import net.pterodactylus.sone.data.Sone; import net.pterodactylus.sone.template.SoneAccessor; import net.pterodactylus.sone.web.page.FreenetRequest; import net.pterodactylus.util.collection.Pagination; import net.pterodactylus.util.number.Numbers; import net.pterodactylus.util.template.Template; import net.pterodactylus.util.template.TemplateContext; import com.google.common.base.Optional; /** * Lets the user browser another Sone. * * @author <a href="mailto:bombe@pterodactylus.net">David Bombe Roden</a> */ public class ViewSonePage extends SoneTemplatePage { /** * Creates a new view Sone? page. * * @param template * The template to render * @param webInterface * The Sone web interface */ public ViewSonePage(Template template, WebInterface webInterface) { super("viewSone.html", template, webInterface, false); } // // TEMPLATEPAGE METHODS // /** * {@inheritDoc} */ @Override protected String getPageTitle(FreenetRequest request) { String soneId = request.getHttpRequest().getParam("sone"); Optional<Sone> sone = webInterface.getCore().getSone(soneId); if (sone.isPresent()) { String soneName = SoneAccessor.getNiceName(sone.get()); return soneName + " - " + webInterface.getL10n().getString("Page.ViewSone.Title"); } return webInterface.getL10n().getString("Page.ViewSone.Page.TitleWithoutSone"); } /** * {@inheritDoc} */ @Override protected void processTemplate(FreenetRequest request, TemplateContext templateContext) throws RedirectException { super.processTemplate(request, templateContext); String soneId = request.getHttpRequest().getParam("sone"); Optional<Sone> sone = webInterface.getCore().getSone(soneId); templateContext.set("sone", sone.orNull()); templateContext.set("soneId", soneId); if (!sone.isPresent()) { return; } List<Post> sonePosts = sone.get().getPosts(); sonePosts.addAll(webInterface.getCore().getDirectedPosts(sone.get().getId())); Collections.sort(sonePosts, Post.TIME_COMPARATOR); Pagination<Post> postPagination = new Pagination<Post>(sonePosts, webInterface.getCore().getPreferences().getPostsPerPage()) .setPage(Numbers.safeParseInteger(request.getHttpRequest().getParam("postPage"), 0)); templateContext.set("postPagination", postPagination); templateContext.set("posts", postPagination.getItems()); Set<PostReply> replies = sone.get().getReplies(); final Map<Post, List<PostReply>> repliedPosts = new HashMap<Post, List<PostReply>>(); for (PostReply reply : replies) { Optional<Post> post = reply.getPost(); if (!post.isPresent() || repliedPosts.containsKey(post.get()) || sone.get().equals(post.get().getSone()) || (sone.get().getId().equals(post.get().getRecipientId().orNull()))) { continue; } repliedPosts.put(post.get(), webInterface.getCore().getReplies(post.get().getId())); } List<Post> posts = new ArrayList<Post>(repliedPosts.keySet()); Collections.sort(posts, new Comparator<Post>() { @Override public int compare(Post leftPost, Post rightPost) { return (int) Math.min(Integer.MAX_VALUE, Math.max(Integer.MIN_VALUE, repliedPosts.get(rightPost).get(0).getTime() - repliedPosts.get(leftPost).get(0).getTime())); } }); Pagination<Post> repliedPostPagination = new Pagination<Post>(posts, webInterface.getCore().getPreferences().getPostsPerPage()) .setPage(Numbers.safeParseInteger(request.getHttpRequest().getParam("repliedPostPage"), 0)); templateContext.set("repliedPostPagination", repliedPostPagination); templateContext.set("repliedPosts", repliedPostPagination.getItems()); } /** * {@inheritDoc} */ @Override public boolean isLinkExcepted(URI link) { return true; } }