2 * Copyright (C) 2001, 2002 The Mir-coders group
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4 * This file is part of Mir.
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6 * Mir is free software; you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation; either version 2 of the License, or
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9 * (at your option) any later version.
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11 * Mir is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU General Public License for more details.
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16 * You should have received a copy of the GNU General Public License
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17 * along with Mir; if not, write to the Free Software
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18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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20 * In addition, as a special exception, The Mir-coders gives permission to link
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21 * the code of this program with the com.oreilly.servlet library, any library
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22 * licensed under the Apache Software License, The Sun (tm) Java Advanced
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23 * Imaging library (JAI), The Sun JIMI library (or with modified versions of
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24 * the above that use the same license as the above), and distribute linked
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25 * combinations including the two. You must obey the GNU General Public
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26 * License in all respects for all of the code used other than the above
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27 * mentioned libraries. If you modify this file, you may extend this exception
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28 * to your version of the file, but you are not obligated to do so. If you do
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29 * not wish to do so, delete this exception statement from your version.
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32 package mir.servlet;
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34 import javax.servlet.http.HttpServletRequest;
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35 import javax.servlet.http.HttpServletResponse;
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37 import freemarker.template.TemplateModelRoot;
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41 * Standard ServletModule, dass eine Template anzeigt, und nicht
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42 * mit Daten mischt. Damit ist es moeglich, einfache HTML-Seiten
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43 * als templates zu benutzen. Damit kann auf einfache Weise die
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44 * Funktionalitaet der Freemarker-Bibliothek (beispielsweise Navigationen
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45 * per <code>include</code> einzubauen) benutzt werden. Die Templates
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46 * werden aus dem per Konfiguration angegebenem template-Verzeichnis
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47 * im Ordner "/html" genommen.
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51 public class ServletModuleShow extends ServletModule {
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52 private static ServletModuleShow instance = new ServletModuleShow();
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55 * Ein ServletModuleShow-Objekt wird ?ber getInstance geliefert. Es gibt zur
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56 * Laufzeit nur ein Objekt (Singleton)
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57 * @return ServletModuleShow
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59 public static ServletModule getInstance() {
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64 * Initialisierung leer.
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66 private ServletModuleShow() {
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70 * defaultAction (s.a ServletModule)
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73 public String defaultAction() {
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78 * Standardmethode, die die Funktionalitaet des ServletModules implementiert.
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80 * @param req Http-Request, das vom Dispatcher durchgereicht wird
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81 * @param res Http-Response, die vom Dispatcher durchgereicht wird
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82 * @return String fuer Logfile
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83 * @exception ServletModuleException
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85 public void show(HttpServletRequest req, HttpServletResponse res) throws
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88 String idParam = req.getParameter("tmpl");
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89 if (! (idParam == null || idParam.equals(""))) {
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90 deliver(req, res, (TemplateModelRoot)null,
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91 "html/" + idParam + ".template");
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94 throw new ServletModuleExc("Invalid template: " + idParam);
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97 catch (Throwable e) {
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98 throw new ServletModuleFailure(e);
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