-import java.io.*;
-import java.util.*;
-import java.net.*;
-import java.lang.reflect.*;
-import javax.servlet.*;
-import javax.servlet.http.*;
-import java.sql.*;
-
-import freemarker.template.*;
-
-import mir.misc.*;
-import mir.servlet.*;
-
-import mircoders.servlet.*;
-import mircoders.module.*;
-import mircoders.entity.*;
-import mircoders.storage.*;
-
-/**
- * Mir.java - main servlet, that dispatches to servletmodules
- *
- * @author RK 1999-2001
- *
- */
-
-
-public class Mir extends AbstractServlet
-{
-
- private static ModuleUsers usersModule=null;
- private static ModuleMessage messageModule=null;
- private static boolean confed=false;
-
-
- public void doGet(HttpServletRequest req, HttpServletResponse res)
- throws ServletException, IOException {
- doPost(req,res);
- }
-
- public void doPost(HttpServletRequest req, HttpServletResponse res)
- throws ServletException, IOException {
-
- long startTime = (new java.util.Date()).getTime();
- Class theServletModule;
- ServletModule smod;
- long sessionConnectTime=0;
- String http="";
-
- // get the configration
- if (!confed){
- confed = getConfig(req);
- }
-
-
- if (req.getServerPort() == 443) http="https"; else http="http";
- res.setContentType("text/html");
- String moduleName = req.getParameter("module");
- HttpSession session = req.getSession(true);
-
- if(session.getAttribute("Language")==null){
- setLanguage(req,getAcceptLanguage(req));
- }
-
- // Authentifizierung
- if (moduleName!=null && moduleName.equals("login")) {
- String user=req.getParameter("login");
- String passwd= req.getParameter("password");
- String lang = req.getParameter("lang");
- theLog.printDebugInfo("--login: evaluating for user: "+user);
- EntityUsers userEntity = allowedUser(user,passwd);
- if (userEntity==null) {
- // login failed: redirecting to login
- theLog.printWarning("--login: failed!");
- _sendLoginPage(req,res.getWriter());
- return;
- } else {
- // login successful
-
- //if accept-language!=selected language change language
- if(!getLanguage(req).equals(lang)){
- setLanguage(req,lang);
- }
-
- theLog.printInfo("--login: successful! setting uid: " + userEntity.getId());
- session.setAttribute("login.uid", userEntity);
- theLog.printDebugInfo("--login: trying to retrieve login.target");
- String target = (String)session.getAttribute("login.target");
- if (target != null) {
- theLog.printDebugInfo("Redirect: "+target);
- res.getWriter().println("<html><head><meta http-equiv=refresh content=\0421;URL="
- + res.encodeURL(http +"://" + req.getServerName()+ target)
- + "\"></head><body>going " + target + "</body></html>");
- } else {
- // redirecting to default target
- //theLog.printDebugInfo("--login: no target - redirecting to default");
- _sendStartPage(req, res.getWriter(),userEntity);
- }
- return;
- } // if login succesful
- } // if login
-
- if (moduleName!=null && moduleName.equals("logout")) {
- theLog.printDebugInfo("--logout");
- session.invalidate();
- _sendLoginPage(req,res.getWriter());
- return;
- }
-
- // Check if authed!
- EntityUsers userEntity = (EntityUsers)session.getAttribute("login.uid");
- if (userEntity == null) {
- // redirect to loginpage
- String redirectString = req.getRequestURI();
- if (req.getQueryString()!=null) redirectString += "?" + req.getQueryString();
- theLog.printDebugInfo("STORING: " + redirectString);
- session.setAttribute("login.target", redirectString);
- _sendLoginPage(req,res.getWriter());
- return;
- }
-
- // Bei blossem Serveltaufruf redirect auf Standardstarttemplate
- if (moduleName == null || moduleName.equals("")) {
- _sendStartPage(req, res.getWriter(),userEntity);
- return;
- }
-
- //From now on normal Dispatching...
- try {
- try {
- theServletModule = Class.forName("mir.servlet.ServletModule" + moduleName);
- } catch (ClassNotFoundException e) {
- // searching Servlet webdb.servlet-classes
- theServletModule = Class.forName("webdb.servlet.ServletModule" + moduleName);
- }
- //Instanciate the ServletModule
- Method m = theServletModule.getMethod("getInstance",null);
- smod = (ServletModule)m.invoke(null,null);
- ServletModuleDispatch.dispatch(smod,req,res);
- }
- catch (NoSuchMethodException e) { handleError( res.getWriter(), "ServletModule" + moduleName + " getInstance() nicht gefunden."); }
- catch (InvocationTargetException e) { handleError( res.getWriter(), "ServletModule" + moduleName + " target nicht gefunden."); }
- catch (ClassNotFoundException e) { handleError( res.getWriter(), "ServletModule" + moduleName + " nicht gefunden."); }
- catch (IllegalArgumentException e) { handleError( res.getWriter(), "ServletModule" + moduleName + " nicht gefunden."); }
- catch (ServletModuleException e){ handleError(res.getWriter(), "ServletException in Module ServletModule" + moduleName + " -- " + e.toString()); }
- catch (IllegalAccessException e){
- handleError(res.getWriter(), "Kein Zugriff auf Klasse ServletModule" + moduleName + " -- " + e.toString()); }
-
- // timing...
- sessionConnectTime = new java.util.Date().getTime() - startTime;
- theLog.printInfo("EXECTIME (" + moduleName + "): " + sessionConnectTime + " ms");
- }
-
- private void handleError(PrintWriter out, String errorString) {
- try {
- theLog.printError(errorString);
- SimpleHash modelRoot = new SimpleHash();
- modelRoot.put("errorstring", new SimpleScalar(errorString));
- modelRoot.put("date", new SimpleScalar(StringUtil.date2readableDateTime(new GregorianCalendar())));
- HTMLTemplateProcessor.process(Configuration.getProperty("Mir.ErrorTemplate"),modelRoot,out);
- out.close();
- }
- catch (Exception e) {
- System.err.println("Fehler in ErrorTemplate");
- }
- }
-
- /**
- * evaluate login for user / password
- */
- protected EntityUsers allowedUser(String user, String password) {
- try {
- if (usersModule == null) usersModule = new ModuleUsers(DatabaseUsers.getInstance());
- return usersModule.getUserForLogin(user, password);
- }
- catch(Exception e) { theLog.printDebugInfo(e.toString()); return null; }
- }
-
- // Redirect-methods
- private void _sendLoginPage(HttpServletRequest req, PrintWriter out) {
- String loginTemplate = "login.template";
- try {
- theLog.printDebugInfo("login: "+lang);
- if(lang==null){
- lang=getAcceptLanguage(req);
- }
- HTMLTemplateProcessor.process(lang+"/"+loginTemplate, new SimpleHash(), out);
- } catch(HTMLParseException e) {
- handleError( out, "fehler in logintemplate.");
- }
- }
-
- private void _sendStartPage(HttpServletRequest req,PrintWriter out, EntityUsers userEntity) {
- String startTemplate = "start_admin.template";
- try {
- // merge with logged in user and messages
- SimpleHash mergeData = new SimpleHash();
- mergeData.put("login_user", HTMLTemplateProcessor.makeSimpleHash(userEntity));
- if (messageModule == null) messageModule = new ModuleMessage(DatabaseMessages.getInstance());
- mergeData.put("messages", HTMLTemplateProcessor.makeSimpleList(messageModule.getByWhereClause(null, "webdb_create desc",0,10)));
- HTMLTemplateProcessor.process(getLanguage(req)+"/"+startTemplate, mergeData,out);
- }
- catch(Exception e) {
- handleError( out, "error while trying to send startpage. " + e.toString());
- }
- }
-
- public String getServletInfo(){ return "Mir 1.0 rev02 multilanguage"; }
-
-}
-
+/*\r
+ * Copyright (C) 2001, 2002 The Mir-coders group\r
+ *\r
+ * This file is part of Mir.\r
+ *\r
+ * Mir is free software; you can redistribute it and/or modify\r
+ * it under the terms of the GNU General Public License as published by\r
+ * the Free Software Foundation; either version 2 of the License, or\r
+ * (at your option) any later version.\r
+ *\r
+ * Mir is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
+ * GNU General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License\r
+ * along with Mir; if not, write to the Free Software\r
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r
+ *\r
+ * In addition, as a special exception, The Mir-coders gives permission to link\r
+ * the code of this program with the com.oreilly.servlet library, any library\r
+ * licensed under the Apache Software License, The Sun (tm) Java Advanced\r
+ * Imaging library (JAI), The Sun JIMI library (or with modified versions of\r
+ * the above that use the same license as the above), and distribute linked\r
+ * combinations including the two. You must obey the GNU General Public\r
+ * License in all respects for all of the code used other than the above\r
+ * mentioned libraries. If you modify this file, you may extend this exception\r
+ * to your version of the file, but you are not obligated to do so. If you do\r
+ * not wish to do so, delete this exception statement from your version.\r
+ */\r
+\r
+import java.io.IOException;\r
+import java.io.PrintWriter;\r
+import java.lang.reflect.Method;\r
+import java.util.GregorianCalendar;\r
+import java.util.HashMap;\r
+import java.util.Locale;\r
+import java.util.*;\r
+\r
+import javax.servlet.ServletException;\r
+import javax.servlet.UnavailableException;\r
+import javax.servlet.http.HttpServletRequest;\r
+import javax.servlet.http.HttpServletResponse;\r
+import javax.servlet.http.HttpSession;\r
+\r
+import freemarker.template.*;\r
+\r
+import org.apache.struts.util.MessageResources;\r
+\r
+import mir.misc.*;\r
+import mir.servlet.*;\r
+import mir.util.*;\r
+import mir.generator.*;\r
+//import mir.log.Log;\r
+\r
+import mircoders.global.*;\r
+import mircoders.localizer.*;\r
+import mircoders.entity.EntityUsers;\r
+import mircoders.module.ModuleMessage;\r
+import mircoders.module.ModuleUsers;\r
+import mircoders.storage.DatabaseArticleType;\r
+import mircoders.storage.DatabaseMessages;\r
+import mircoders.storage.DatabaseUsers;\r
+\r
+/**\r
+ * Mir.java - main servlet, that dispatches to servletmodules\r
+ *\r
+ * @author $Author: mh $\r
+ * @version $Id: Mir.java,v 1.26 2003/01/18 08:32:07 mh Exp $\r
+ *\r
+ */\r
+\r
+public class Mir extends AbstractServlet {\r
+\r
+ private static ModuleUsers usersModule = null;\r
+ private static ModuleMessage messageModule = null;\r
+ private final static HashMap servletModuleInstanceHash = new HashMap();\r
+\r
+ //I don't know about making this static cause it removes the \r
+ //possibility to change the config on the fly.. -mh\r
+ private static List loginLanguages = null;\r
+\r
+ public HttpSession session;\r
+\r
+ public void doGet(HttpServletRequest req, HttpServletResponse res) throws\r
+ ServletException, IOException {\r
+ doPost(req, res);\r
+ }\r
+\r
+ protected TemplateModel getLoginLanguages() throws ServletException {\r
+ synchronized (Mir.class) {\r
+ try {\r
+\r
+ if (loginLanguages == null) {\r
+ MessageResources messageResources2 = MessageResources.\r
+ getMessageResources("bundles.admin");\r
+ MessageResources messageResources = MessageResources.\r
+ getMessageResources("bundles.adminlocal");\r
+ List languages = StringRoutines.splitString(MirGlobal.\r
+ getConfigPropertyWithDefault("Mir.Login.Languages", "en"), ";");\r
+\r
+ loginLanguages = new Vector();\r
+ Iterator i = languages.iterator();\r
+\r
+ while (i.hasNext()) {\r
+ String code = (String) i.next();\r
+ Locale locale = new Locale(code, "");\r
+ String name = messageResources.getMessage(locale, "languagename");\r
+ if (name == null)\r
+ name = messageResources2.getMessage(locale, "languagename");\r
+ if (name == null)\r
+ name = code;\r
+\r
+ Map record = new HashMap();\r
+ record.put("name", name);\r
+ record.put("code", code);\r
+ loginLanguages.add(record);\r
+ }\r
+ }\r
+\r
+ return FreemarkerGenerator.makeAdapter(loginLanguages);\r
+ }\r
+ catch (Throwable t) {\r
+ throw new ServletException(t.getMessage());\r
+ }\r
+ }\r
+ }\r
+\r
+ // FIXME: this should probalby go into AbstractServlet so it can be used in \r
+ // OpenMir as well -mh\r
+ protected String getDefaultLanguage (HttpServletRequest req) {\r
+ String defaultlanguage = MirGlobal.getConfigPropertyWithDefault("Mir.Login.DefaultLanguage", "");\r
+ if (defaultlanguage.length() == 0) {\r
+ Locale locale = req.getLocale();\r
+ defaultlanguage = locale.getLanguage();\r
+ }\r
+ \r
+ return defaultlanguage; \r
+ }\r
+\r
+ public void doPost(HttpServletRequest req, HttpServletResponse res) throws\r
+ ServletException, IOException, UnavailableException {\r
+\r
+ long startTime = System.currentTimeMillis();\r
+ long sessionConnectTime = 0;\r
+ EntityUsers userEntity;\r
+ String http = "";\r
+\r
+ if (getServletContext().getAttribute("mir.confed") == null) {\r
+ getConfig(req);\r
+ }\r
+\r
+ MirConfig.setServletName(getServletName());\r
+\r
+ //*** test\r
+ // Log.info(this, "blalalala");\r
+\r
+ session = req.getSession(true);\r
+ userEntity = (EntityUsers) session.getAttribute("login.uid");\r
+\r
+ if (req.getServerPort() == 443)\r
+ http = "https";\r
+ else\r
+ http = "http";\r
+\r
+\r
+ //make sure client browsers don't cache anything\r
+ setNoCaching(res);\r
+\r
+ //FIXME: this seems kind of hackish and only here because we can have \r
+ // default other than the one that the browser is set to.\r
+ Locale locale = new Locale(getDefaultLanguage(req), "");\r
+ MessageResources messageResources = MessageResources.getMessageResources("bundles.admin");\r
+ String htmlcharset = messageResources.getMessage(locale, "htmlcharset");\r
+\r
+ res.setContentType("text/html; charset=" + htmlcharset);\r
+\r
+ String moduleName = req.getParameter("module");\r
+ checkLanguage(session, req);\r
+\r
+ /** @todo for cleanup and readability this should be moved to\r
+ * method loginIfNecessary() */\r
+\r
+ if (moduleName != null && moduleName.equals("direct")) {\r
+ //...\r
+ }\r
+\r
+ // Authentication\r
+ if ( (moduleName != null && moduleName.equals("login")) || (userEntity == null)) {\r
+ String user = req.getParameter("login");\r
+ String passwd = req.getParameter("password");\r
+ theLog.printDebugInfo("--login: evaluating for user: " + user);\r
+ userEntity = allowedUser(user, passwd);\r
+ if (userEntity == null) {\r
+ // login failed: redirecting to login\r
+ theLog.printWarning("--login: failed!");\r
+ _sendLoginPage(res, req, res.getWriter());\r
+ return;\r
+ }\r
+ else if (moduleName != null && moduleName.equals("login")) {\r
+ // login successful\r
+\r
+ theLog.printInfo("--login: successful! setting uid: " +\r
+ userEntity.getId());\r
+ session.setAttribute("login.uid", userEntity);\r
+ theLog.printDebugInfo("--login: trying to retrieve login.target");\r
+ String target = (String) session.getAttribute("login.target");\r
+\r
+ if (target != null) {\r
+ theLog.printDebugInfo("Redirect: " + target);\r
+ int serverPort = req.getServerPort();\r
+ String redirect = "";\r
+ String redirectString = "";\r
+\r
+ if (serverPort == 80) {\r
+ redirect = res.encodeURL(http + "://" + req.getServerName() +\r
+ target);\r
+ redirectString =\r
+ "<html><head><meta http-equiv=refresh content=\"1;URL="\r
+ + redirect\r
+ + "\"></head><body>going <a href=\"" + redirect +\r
+ "\">Mir</a></body></html>";\r
+ }\r
+ else {\r
+ redirect = res.encodeURL(http + "://" + req.getServerName() + ":" +\r
+ req.getServerPort() + target);\r
+ redirectString =\r
+ "<html><head><meta http-equiv=refresh content=\"1;URL="\r
+ + redirect\r
+ + "\"></head><body>going <a href=\"" + redirect +\r
+ "\">Mir</a></body></html>";\r
+ }\r
+ res.getWriter().println(redirectString);\r
+\r
+ //res.sendRedirect(redirect);\r
+\r
+ }\r
+ else {\r
+ // redirecting to default target\r
+ theLog.printDebugInfo("--login: no target - redirecting to default");\r
+ _sendStartPage(res, req, res.getWriter(), userEntity);\r
+ }\r
+ return;\r
+ } // if login succesful\r
+ } // if login\r
+\r
+ if (moduleName != null && moduleName.equals("logout")) {\r
+ theLog.printDebugInfo("--logout");\r
+ session.invalidate();\r
+\r
+ //session = req.getSession(true);\r
+ //checkLanguage(session, req);\r
+ _sendLoginPage(res, req, res.getWriter());\r
+ return;\r
+ }\r
+\r
+ // Check if authed!\r
+ if (userEntity == null) {\r
+ // redirect to loginpage\r
+ String redirectString = req.getRequestURI();\r
+ String queryString = req.getQueryString();\r
+ if (queryString != null && !queryString.equals("")) {\r
+ redirectString += "?" + req.getQueryString();\r
+ theLog.printDebugInfo("STORING: " + redirectString);\r
+ session.setAttribute("login.target", redirectString);\r
+ }\r
+ _sendLoginPage(res, req, res.getWriter());\r
+ return;\r
+ }\r
+\r
+ // If no module is specified goto standard startpage\r
+ if (moduleName == null || moduleName.equals("")) {\r
+ theLog.printDebugInfo("no module: redirect to standardpage");\r
+ _sendStartPage(res, req, res.getWriter(), userEntity);\r
+ return;\r
+ }\r
+ // end of auth\r
+\r
+ // From now on regular dispatching...\r
+ try {\r
+ // get servletmodule by parameter and continue with dispacher\r
+ ServletModule smod = getServletModuleForName(moduleName);\r
+ ServletModuleDispatch.dispatch(smod, req, res);\r
+ }\r
+ catch (ServletModuleException e) {\r
+ handleError(req, res, res.getWriter(),\r
+ "ServletException in Module " + moduleName + " -- " +\r
+ e.getMessage());\r
+ }\r
+ catch (ServletModuleUserException e) {\r
+ handleUserError(req, res, res.getWriter(), e.getMessage());\r
+ }\r
+\r
+ // timing...\r
+ sessionConnectTime = System.currentTimeMillis() - startTime;\r
+ theLog.printInfo("EXECTIME (" + moduleName + "): " + sessionConnectTime +\r
+ " ms");\r
+ }\r
+\r
+ /**\r
+ * Private method getServletModuleForName returns ServletModule\r
+ * from Cache\r
+ *\r
+ * @param moduleName\r
+ * @return ServletModule\r
+ *\r
+ */\r
+ private static ServletModule getServletModuleForName(String moduleName) throws\r
+ ServletModuleException {\r
+\r
+ // Instance in Map ?\r
+ if (!servletModuleInstanceHash.containsKey(moduleName)) {\r
+ // was not found in hash...\r
+ try {\r
+ Class theServletModuleClass = null;\r
+ try {\r
+ // first we try to get ServletModule from stern.che3.servlet\r
+ theServletModuleClass = Class.forName(\r
+ "mircoders.servlet.ServletModule" + moduleName);\r
+ }\r
+ catch (ClassNotFoundException e) {\r
+ // on failure, we try to get it from lib-layer\r
+ theServletModuleClass = Class.forName("mir.servlet.ServletModule" +\r
+ moduleName);\r
+ }\r
+ Method m = theServletModuleClass.getMethod("getInstance", null);\r
+ ServletModule smod = (ServletModule) m.invoke(null, null);\r
+ // we put it into map for further reference\r
+ servletModuleInstanceHash.put(moduleName, smod);\r
+ return smod;\r
+ }\r
+ catch (Exception e) {\r
+ throw new ServletModuleException("*** error resolving classname for " +\r
+ moduleName + " -- " + e.getMessage());\r
+ }\r
+ }\r
+ else\r
+ return (ServletModule) servletModuleInstanceHash.get(moduleName);\r
+ }\r
+\r
+ private void handleError(HttpServletRequest req, HttpServletResponse res,\r
+ PrintWriter out, String errorString) {\r
+\r
+ try {\r
+ theLog.printError(errorString);\r
+ SimpleHash modelRoot = new SimpleHash();\r
+ modelRoot.put("errorstring", new SimpleScalar(errorString));\r
+ modelRoot.put("date",\r
+ new SimpleScalar(StringUtil.date2readableDateTime(new GregorianCalendar())));\r
+ HTMLTemplateProcessor.process(res, MirConfig.getProp("Mir.ErrorTemplate"),\r
+ modelRoot, out, getLocale(req));\r
+ out.close();\r
+ }\r
+ catch (Exception e) {\r
+ e.printStackTrace(System.out);\r
+ System.err.println("Error in ErrorTemplate: " + e.getMessage());\r
+ }\r
+ }\r
+\r
+ private void handleUserError(HttpServletRequest req, HttpServletResponse res,\r
+ PrintWriter out, String errorString) {\r
+ try {\r
+ theLog.printError(errorString);\r
+ SimpleHash modelRoot = new SimpleHash();\r
+ modelRoot.put("errorstring", new SimpleScalar(errorString));\r
+ modelRoot.put("date",\r
+ new SimpleScalar(StringUtil.date2readableDateTime(new GregorianCalendar())));\r
+ HTMLTemplateProcessor.process(res,\r
+ MirConfig.getProp("Mir.UserErrorTemplate"),\r
+ modelRoot, out, getLocale(req));\r
+ out.close();\r
+ }\r
+ catch (Exception e) {\r
+ System.err.println("Error in UserErrorTemplate");\r
+ }\r
+\r
+ }\r
+\r
+ /**\r
+ * evaluate login for user / password\r
+ */\r
+ protected EntityUsers allowedUser(String user, String password) {\r
+ try {\r
+ if (usersModule == null)\r
+ usersModule = new ModuleUsers(DatabaseUsers.getInstance());\r
+ return usersModule.getUserForLogin(user, password);\r
+ }\r
+ catch (Exception e) {\r
+ theLog.printDebugInfo(e.getMessage());\r
+ e.printStackTrace();\r
+ return null;\r
+ }\r
+ }\r
+\r
+ // Redirect-methods\r
+ private void _sendLoginPage(HttpServletResponse res, HttpServletRequest req,\r
+ PrintWriter out) {\r
+ String loginTemplate = MirConfig.getProp("Mir.LoginTemplate");\r
+ String sessionUrl = res.encodeURL("");\r
+\r
+ try {\r
+ SimpleHash mergeData = new SimpleHash();\r
+ SimpleList languages = new SimpleList();\r
+\r
+ mergeData.put("session", sessionUrl);\r
+\r
+ mergeData.put("defaultlanguage", getDefaultLanguage(req));\r
+ mergeData.put("languages", getLoginLanguages());\r
+\r
+ HTMLTemplateProcessor.process(res, loginTemplate, mergeData, out, getLocale(req));\r
+ }\r
+ catch (Throwable e) {\r
+ handleError(req, res, out, "Error sending login page: " + e.getMessage());\r
+ }\r
+ }\r
+\r
+ private void _sendStartPage(HttpServletResponse res, HttpServletRequest req,\r
+ PrintWriter out, EntityUsers userEntity) {\r
+ String startTemplate = "templates/admin/start_admin.template";\r
+ String sessionUrl = res.encodeURL("");\r
+\r
+ try {\r
+ // merge with logged in user and messages\r
+ SimpleHash mergeData = new SimpleHash();\r
+ mergeData.put("session", sessionUrl);\r
+ mergeData.put("login_user", userEntity);\r
+ if (messageModule == null)\r
+ messageModule = new ModuleMessage(DatabaseMessages.getInstance());\r
+ mergeData.put("messages",\r
+ messageModule.getByWhereClause(null, "webdb_create desc", 0,\r
+ 10));\r
+\r
+ mergeData.put("articletypes",\r
+ DatabaseArticleType.getInstance().\r
+ selectByWhereClause("", "id", 0, 20));\r
+\r
+ HTMLTemplateProcessor.process(res, startTemplate, mergeData, out, getLocale(req));\r
+ }\r
+ catch (Exception e) {\r
+ e.printStackTrace(System.out);\r
+ handleError(req, res, out, "error while trying to send startpage. " + e.getMessage());\r
+ }\r
+ }\r
+\r
+ public String getServletInfo() {\r
+ return "Mir " + MirConfig.getProp("Mir.Version");\r
+ }\r
+\r
+ private void checkLanguage(HttpSession session, HttpServletRequest req) {\r
+ // a lang parameter always sets the language\r
+ String lang = req.getParameter("language");\r
+ if (lang != null) {\r
+ theLog.printInfo("selected language " + lang + " overrides accept-language");\r
+ setLanguage(session, lang);\r
+ setLocale(session, new Locale(lang, ""));\r
+ }\r
+ // otherwise store language from accept header in session\r
+ else if (session.getAttribute("Language") == null) {\r
+ theLog.printInfo("accept-language is " + req.getLocale().getLanguage());\r
+ setLanguage(session, req.getLocale().getLanguage());\r
+ setLocale(session, req.getLocale());\r
+ }\r
+ }\r
+}\r