add no-cache Pragma and Cache-control headers to the http response.. I see no reason...

[mir.git] / source / Mir.java

diff --git a/source/Mir.java b/source/Mir.java
index 7b94d9f..3149f83 100755 (executable)
--- a/source/Mir.java
+++ b/source/Mir.java
@@ -1,3 +1,33 @@
+/*
+ * Copyright (C) 2001, 2002 The Mir-coders group
+ *
+ * This file is part of Mir.
+ *
+ * Mir 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Mir 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 Mir; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * In addition, as a special exception, The Mir-coders gives permission to link
+ * the code of this program with the com.oreilly.servlet library, any library
+ * licensed under the Apache Software License, The Sun (tm) Java Advanced
+ * Imaging library (JAI), The Sun JIMI library (or with modified versions of
+ * the above that use the same license as the above), and distribute linked
+ * combinations including the two.  You must obey the GNU General Public
+ * License in all respects for all of the code used other than the above
+ * mentioned libraries.  If you modify this file, you may extend this exception
+ * to your version of the file, but you are not obligated to do so.  If you do
+ * not wish to do so, delete this exception statement from your version.
+ */
 
 import freemarker.template.SimpleHash;
 import freemarker.template.SimpleScalar;
@@ -28,11 +58,7 @@ import java.util.Locale;
  * Mir.java - main servlet, that dispatches to servletmodules
  *
  * @author $Author: mh $
- * @version $Revision: 1.17 $ $Date: 2002/07/21 22:27:39 $
- *
- * $Log: Mir.java,v $
- * Revision 1.17  2002/07/21 22:27:39  mh
- * make the user error msg look nicer
+ * @version $Revision: 1.17.2.3 $ $Date: 2002/12/06 07:14:45 $
  *
  */
 
@@ -43,6 +69,8 @@ public class Mir extends AbstractServlet {
     private static ModuleMessage messageModule = null;
     private final static HashMap servletModuleInstanceHash = new HashMap();
 
+    private static boolean nameSet = false;
+
     public HttpSession session;
 
     public void doGet(HttpServletRequest req, HttpServletResponse res)
@@ -62,11 +90,23 @@ public class Mir extends AbstractServlet {
         if (getServletContext().getAttribute("mir.confed") == null) {
             getConfig(req);
         }
-        MirConfig.setServletName(getServletName());
+
+        if (!nameSet) {
+          MirConfig.setAdminServletName(getServletName());
+          nameSet = true;
+        }
 
         session = req.getSession(true);
 
         if (req.getServerPort() == 443) http = "https"; else http = "http";
+
+        //nothing in Mir can or should be cached as it's all dynamic...
+        //
+        //this needs to be done here and not per page (via meta tags) as some
+        //browsers have problems w/ it per-page -mh
+        res.setHeader("Pragma", "no-cache");
+        res.setDateHeader("Expires", 0);
+        res.setHeader("Cache-Control", "no-cache");
         res.setContentType("text/html; charset="
                             +MirConfig.getProp("Mir.DefaultEncoding"));
         String moduleName = req.getParameter("module");