src/main/java/net/pterodactylus/sone/web/ajax/GetReplyAjaxPage.java

   1 /*
   2  * Sone - GetReplyAjaxPage.java - Copyright © 2010 David Roden
   3  *
   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.
   8  *
   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.
  13  *
  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/>.
  16  */
  17
  18 package net.pterodactylus.sone.web.ajax;
  19
  20 import java.io.StringWriter;
  21
  22 import net.pterodactylus.sone.data.Reply;
  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.DataProvider;
  28 import net.pterodactylus.util.template.Template;
  29 import net.pterodactylus.util.template.TemplateException;
  30
  31 /**
  32  * This AJAX page returns the details of a reply.
  33  *
  34  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  35  */
  36 public class GetReplyAjaxPage extends JsonPage {
  37
  38         /** The template to render. */
  39         private final Template replyTemplate;
  40
  41         /**
  42          * Creates a new “get reply” page.
  43          *
  44          * @param webInterface
  45          *            The Sone web interface
  46          * @param replyTemplate
  47          *            The template to render
  48          */
  49         public GetReplyAjaxPage(WebInterface webInterface, Template replyTemplate) {
  50                 super("getReply.ajax", webInterface);
  51                 this.replyTemplate = replyTemplate;
  52         }
  53
  54         //
  55         // JSONPAGE METHODS
  56         //
  57
  58         /**
  59          * {@inheritDoc}
  60          */
  61         @Override
  62         protected JsonObject createJsonObject(Request request) {
  63                 String replyId = request.getHttpRequest().getParam("reply");
  64                 Reply reply = webInterface.getCore().getReply(replyId);
  65                 if ((reply == null) || (reply.getSone() == null)) {
  66                         return createErrorJsonObject("invalid-reply-id");
  67                 }
  68                 return createSuccessJsonObject().put("reply", createJsonReply(reply, getCurrentSone(request.getToadletContext())));
  69         }
  70
  71         /**
  72          * {@inheritDoc}
  73          */
  74         @Override
  75         protected boolean needsFormPassword() {
  76                 return false;
  77         }
  78
  79         //
  80         // PRIVATE METHODS
  81         //
  82
  83         /**
  84          * Creates a JSON representation of the given reply.
  85          *
  86          * @param reply
  87          *            The reply to convert
  88          * @param currentSone
  89          *            The currently logged in Sone (to store in the template)
  90          * @return The JSON representation of the reply
  91          */
  92         private JsonObject createJsonReply(Reply reply, Sone currentSone) {
  93                 JsonObject jsonReply = new JsonObject();
  94                 jsonReply.put("id", reply.getId());
  95                 jsonReply.put("postId", reply.getPost().getId());
  96                 jsonReply.put("soneId", reply.getSone().getId());
  97                 jsonReply.put("time", reply.getTime());
  98                 StringWriter stringWriter = new StringWriter();
  99                 DataProvider dataProvider = replyTemplate.createDataProvider();
 100                 dataProvider.set("reply", reply);
 101                 dataProvider.set("currentSone", currentSone);
 102                 try {
 103                         replyTemplate.render(dataProvider, stringWriter);
 104                 } catch (TemplateException te1) {
 105                         /* TODO - shouldn’t happen. */
 106                 } finally {
 107                         Closer.close(stringWriter);
 108                 }
 109                 return jsonReply.put("html", stringWriter.toString());
 110         }
 111
 112 }