AjaxServlet.java
/*
* Copyright (C) 2000 - 2024 Silverpeas
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* As a special exception to the terms and conditions of version 3.0 of
* the GPL, you may redistribute this Program in connection with Free/Libre
* Open Source Software ("FLOSS") applications as described in Silverpeas's
* FLOSS exception. You should have received a copy of the text describing
* the FLOSS exception, and it is also available here:
* "http://www.silverpeas.org/docs/core/legal/floss_exception.html"
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package org.silverpeas.components.gallery.servlets;
import org.silverpeas.components.gallery.control.GallerySessionController;
import org.silverpeas.core.node.model.NodePK;
import org.silverpeas.kernel.logging.SilverLogger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.io.Writer;
import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;
public class AjaxServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
// TODO Auto-generated method stub
doPost(req, resp);
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
String action = getAction(req);
String result = null;
if ("Sort".equals(action)) {
result = sort(req);
}
Writer writer = resp.getWriter();
writer.write(result);
}
private String getAction(HttpServletRequest req) {
return req.getParameter("Action");
}
private String sort(HttpServletRequest req) {
HttpSession session = req.getSession();
String orderedList = req.getParameter("orderedList");
String componentId = (String) session.getAttribute("Silverpeas_Album_ComponentId");
StringTokenizer tokenizer = new StringTokenizer(orderedList, ",");
List<NodePK> albumPKs = new ArrayList<NodePK>();
while (tokenizer.hasMoreTokens()) {
albumPKs.add(new NodePK(tokenizer.nextToken(), componentId));
}
// Save album order
try {
GallerySessionController.sortAlbums(albumPKs);
return "ok";
} catch (Exception e) {
SilverLogger.getLogger(this).error(e);
}
return "error";
}
}