2 * Sone - GetPostAjaxPage.java - Copyright © 2010 David Roden
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 package net.pterodactylus.sone.web.ajax;
20 import java.io.StringWriter;
22 import net.pterodactylus.sone.data.Post;
23 import net.pterodactylus.sone.data.Sone;
24 import net.pterodactylus.sone.web.WebInterface;
25 import net.pterodactylus.util.io.Closer;
26 import net.pterodactylus.util.json.JsonObject;
27 import net.pterodactylus.util.template.Template;
28 import net.pterodactylus.util.template.TemplateContext;
29 import net.pterodactylus.util.template.TemplateException;
32 * This AJAX handler retrieves information and rendered representation of a
35 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
37 public class GetPostAjaxPage extends JsonPage {
39 /** The template to render for posts. */
40 private final Template postTemplate;
43 * Creates a new “get post” AJAX handler.
46 * The Sone web interface
48 * The template to render for posts
50 public GetPostAjaxPage(WebInterface webInterface, Template postTemplate) {
51 super("getPost.ajax", webInterface);
52 this.postTemplate = postTemplate;
59 protected JsonObject createJsonObject(Request request) {
60 String postId = request.getHttpRequest().getParam("post");
61 Post post = webInterface.getCore().getPost(postId, false);
63 return createErrorJsonObject("invalid-post-id");
65 return createSuccessJsonObject().put("post", createJsonPost(request, post, getCurrentSone(request.getToadletContext())));
72 protected boolean needsFormPassword() {
81 * Creates a JSON object from the given post. The JSON object will only
82 * contain the ID of the post, its time, and its rendered HTML code.
85 * The request being processed
87 * The post to create a JSON object from
89 * The currently logged in Sone (to store in the template)
90 * @return The JSON representation of the post
92 private JsonObject createJsonPost(Request request, Post post, Sone currentSone) {
93 JsonObject jsonPost = new JsonObject();
94 jsonPost.put("id", post.getId());
95 jsonPost.put("sone", post.getSone().getId());
96 jsonPost.put("recipient", (post.getRecipient() == null) ? null : post.getRecipient().getId());
97 jsonPost.put("time", post.getTime());
98 StringWriter stringWriter = new StringWriter();
99 TemplateContext templateContext = webInterface.getTemplateContextFactory().createTemplateContext();
100 templateContext.set("request", request);
101 templateContext.set("post", post);
102 templateContext.set("currentSone", currentSone);
103 templateContext.set("localSones", webInterface.getCore().getLocalSones());
105 postTemplate.render(templateContext, stringWriter);
106 } catch (TemplateException te1) {
107 /* TODO - shouldn’t happen. */
109 Closer.close(stringWriter);
111 jsonPost.put("html", stringWriter.toString());