-/*\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
-package mir.servlet;\r
-\r
-import java.io.IOException;\r
-import java.io.PrintWriter;\r
-import java.util.List;\r
-import java.util.Map;\r
-import java.util.HashMap;\r
-import java.util.Locale;\r
-\r
-import javax.servlet.http.HttpServletRequest;\r
-import javax.servlet.http.HttpServletResponse;\r
-import javax.servlet.http.HttpSession;\r
-\r
-import freemarker.template.SimpleHash;\r
-import freemarker.template.TemplateModelRoot;\r
-\r
-import mir.config.MirPropertiesConfiguration;\r
-import mir.config.MirPropertiesConfiguration.PropertiesConfigExc;\r
-import mir.entity.EntityList;\r
-import mir.log.LoggerWrapper;\r
-import mir.misc.HTMLParseException;\r
-import mir.misc.HTMLTemplateProcessor;\r
-import mir.misc.LineFilterWriter;\r
-import mir.module.AbstractModule;\r
-import mir.module.ModuleException;\r
-import mir.storage.StorageObject;\r
-import mir.util.*;\r
-\r
-\r
-\r
-\r
-/**\r
- * Abstract class ServletModule provides the base functionality for servlets.\r
- * Deriving a class from ServletModule enables class to insert/edit/update/delete\r
- * and list Entity from a Database via mainModule.\r
- *\r
- *\r
- * Abstrakte Klasse ServletModule stellt die Basisfunktionalitaet der\r
- * abgeleiteten ServletModule zur Verf?gung.\r
- *\r
- * @version 28.6.1999\r
- * @author RK\r
- */\r
-\r
-public abstract class ServletModule {\r
-\r
- public String defaultAction;\r
- protected LoggerWrapper logger;\r
- protected MirPropertiesConfiguration configuration;\r
- protected AbstractModule mainModule;\r
- protected String templateListString;\r
- protected String templateObjektString;\r
- protected String templateConfirmString;\r
-\r
-\r
- public ServletModule(){\r
- try {\r
- configuration = MirPropertiesConfiguration.instance();\r
- }\r
- catch (PropertiesConfigExc e) {\r
- throw new RuntimeException("Can't get configuration: " + e.getMessage());\r
- }\r
- }\r
-\r
-\r
- /**\r
- * Singelton - Methode muss in den abgeleiteten Klassen ueberschrieben werden.\r
- * @return ServletModule\r
- */\r
- public static ServletModule getInstance() {\r
- return null;\r
- }\r
-\r
- /**\r
- * get the module name to be used for generic operations like delete.\r
- */\r
- protected String getOperationModuleName() {\r
- return getClass().getName().substring((new String("mircoders.servlet.ServletModule")).length());\r
- }\r
-\r
- /**\r
- * get the session binded language\r
- */\r
- public String getLanguage(HttpServletRequest req) {\r
- HttpSession session = req.getSession(false);\r
- String language = (String) session.getAttribute("Language");\r
- if (language == null) {\r
- language = configuration.getString("StandardLanguage");\r
- }\r
- return language;\r
- }\r
-\r
- /**\r
- * get the locale either from the session or the accept-language header ot the request\r
- * this supersedes getLanguage for the new i18n\r
- */\r
- public Locale getLocale(HttpServletRequest req) {\r
- Locale loc = null;\r
- HttpSession session = req.getSession(false);\r
- if (session != null) {\r
- // session can be null in case of logout\r
- loc = (Locale) session.getAttribute("Locale");\r
- }\r
- // if there is nothing in the session get it fron the accept-language\r
- if (loc == null) {\r
- loc = req.getLocale();\r
- }\r
- return loc;\r
- }\r
-\r
- public void redirect(HttpServletResponse aResponse, String aQuery) throws ServletModuleException {\r
- try {\r
- aResponse.sendRedirect(MirPropertiesConfiguration.instance().getString("RootUri") + "/Mir?"+aQuery);\r
- }\r
- catch (Throwable t) {\r
- throw new ServletModuleException(t.getMessage());\r
- }\r
- }\r
-\r
- /**\r
- * list(req,res) - generische Listmethode. Wennn die Funktionalitaet\r
- * nicht reicht, muss sie in der abgeleiteten ServletModule-Klasse\r
- * ueberschreiben werden.\r
- *\r
- * @param req Http-Request, das vom Dispatcher durchgereicht wird\r
- * @param res Http-Response, die vom Dispatcher durchgereicht wird\r
- */\r
- public void list(HttpServletRequest req, HttpServletResponse res)\r
- throws ServletModuleException {\r
- try {\r
- EntityList theList;\r
- String offsetParam = req.getParameter("offset");\r
- int offset = 0;\r
- PrintWriter out = res.getWriter();\r
-\r
- // hier offsetcode bearbeiten\r
- if (offsetParam != null && !offsetParam.equals("")) {\r
- offset = Integer.parseInt(offsetParam);\r
- }\r
- if (req.getParameter("next") != null) {\r
- offset = Integer.parseInt(req.getParameter("nextoffset"));\r
- }\r
- else {\r
- if (req.getParameter("prev") != null) {\r
- offset = Integer.parseInt(req.getParameter("prevoffset"));\r
- }\r
- }\r
- theList = mainModule.getByWhereClause(null, offset);\r
-\r
- HTMLTemplateProcessor.process(res, templateListString, theList, out, getLocale(req));\r
- }\r
- catch (Exception e) {\r
- throw new ServletModuleException(e.getMessage());\r
- }\r
- }\r
-\r
- /**\r
- * add(req,res) - generische Addmethode. Wennn die Funktionalitaet\r
- * nicht reicht, muss sie in der abgeleiteten ServletModule-Klasse\r
- * ueberschreiben werden.\r
- * @param req Http-Request, das vom Dispatcher durchgereicht wird\r
- * @param res Http-Response, die vom Dispatcher durchgereicht wird\r
- */\r
- public void add(HttpServletRequest req, HttpServletResponse res)\r
- throws ServletModuleException, ServletModuleUserException {\r
-\r
- try {\r
- SimpleHash mergeData = new SimpleHash();\r
- mergeData.put("new", "1");\r
- deliver(req, res, mergeData, templateObjektString);\r
- }\r
- catch (Exception e) {\r
- throw new ServletModuleException(e.getMessage());\r
- }\r
- }\r
-\r
- /**\r
- * insert(req,res) - generische Insertmethode, folgt auf add.\r
- * Wennn die Funktionalitaet\r
- * nicht reicht, muss sie in der abgeleiteten ServletModule-Klasse\r
- * ueberschreiben werden.\r
- *\r
- * @param req Http-Request, das vom Dispatcher durchgereicht wird\r
- * @param res Http-Response, die vom Dispatcher durchgereicht wird\r
- */\r
- public void insert(HttpServletRequest req, HttpServletResponse res)\r
- throws ServletModuleException, ServletModuleUserException {\r
- try {\r
- Map withValues = getIntersectingValues(req, mainModule.getStorageObject());\r
- logger.debug("--trying to add...");\r
- String id = mainModule.add(withValues);\r
- logger.debug("--trying to deliver..." + id);\r
- list(req, res);\r
- }\r
- catch (Exception e) {\r
- throw new ServletModuleException(e.getMessage());\r
- }\r
- }\r
-\r
- /**\r
- * delete(req,res) - generic delete method. Can be overridden in subclasses.\r
- *\r
- */\r
-\r
- public void delete(HttpServletRequest req, HttpServletResponse res) throws ServletModuleException, ServletModuleUserException {\r
- try {\r
- String idParam = req.getParameter("id");\r
-\r
- if (idParam == null)\r
- throw new ServletModuleException("Invalid call to delete: no id supplied");\r
-\r
- String confirmParam = req.getParameter("confirm");\r
- String cancelParam = req.getParameter("cancel");\r
- if (confirmParam == null && cancelParam == null) {\r
- SimpleHash mergeData = new SimpleHash();\r
-\r
- mergeData.put("module", getOperationModuleName());\r
- mergeData.put("infoString", getOperationModuleName() + ": " + idParam);\r
- mergeData.put("id", idParam);\r
- mergeData.put("where", req.getParameter("where"));\r
- mergeData.put("order", req.getParameter("order"));\r
- mergeData.put("offset", req.getParameter("offset"));\r
- // this stuff is to be compatible with the other more advanced\r
- // search method used for media and comments\r
- mergeData.put("query_media_folder", req.getParameter("query_media_folder"));\r
- mergeData.put("query_is_published", req.getParameter("query_is_published"));\r
- mergeData.put("query_text", req.getParameter("query_text"));\r
- mergeData.put("query_field", req.getParameter("query_field"));\r
-\r
- deliver(req, res, mergeData, templateConfirmString);\r
- }\r
- else {\r
- if (confirmParam != null && !confirmParam.equals("")) {\r
- //theLog.printInfo("delete confirmed!");\r
- mainModule.deleteById(idParam);\r
- list(req, res); // back to list\r
- }\r
- else {\r
- if (req.getParameter("where") != null)\r
- list(req, res);\r
- else\r
- edit(req, res);\r
- }\r
- }\r
- }\r
- catch (Exception e) {\r
- throw new ServletModuleException(e.getMessage());\r
- }\r
- }\r
-\r
- /**\r
- * edit(req,res) - generische Editmethode. Wennn die Funktionalitaet\r
- * nicht reicht, muss sie in der abgeleiteten ServletModule-Klasse\r
- * ueberschreiben werden.\r
- *\r
- * @param req Http-Request, das vom Dispatcher durchgereicht wird\r
- * @param res Http-Response, die vom Dispatcher durchgereicht wird\r
- */\r
- public void edit(HttpServletRequest req, HttpServletResponse res)\r
- throws ServletModuleException, ServletModuleUserException {\r
- edit(req, res, req.getParameter("id"));\r
- }\r
-\r
- /**\r
- * edit(req,res) - generische Editmethode. Wennn die Funktionalitaet\r
- * nicht reicht, muss sie in der abgeleiteten ServletModule-Klasse\r
- * ueberschreiben werden.\r
- *\r
- * @param req Http-Request, das vom Dispatcher durchgereicht wird\r
- * @param res Http-Response, die vom Dispatcher durchgereicht wird\r
- */\r
- public void edit(HttpServletRequest aRequest, HttpServletResponse aResponse, String anIdentifier)\r
- throws ServletModuleException, ServletModuleUserException {\r
- try {\r
- deliver(aRequest, aResponse, mainModule.getById(anIdentifier), templateObjektString);\r
- }\r
- catch (ModuleException e) {\r
- throw new ServletModuleException(e.getMessage());\r
- }\r
- }\r
-\r
- /**\r
- * update(req,res) - generische Updatemethode. Wennn die Funktionalitaet\r
- * nicht reicht, muss sie in der abgeleiteten ServletModule-Klasse\r
- * ueberschreiben werden.\r
- *\r
- * @param req Http-Request, das vom Dispatcher durchgereicht wird\r
- * @param res Http-Response, die vom Dispatcher durchgereicht wird\r
- */\r
-\r
- public void update(HttpServletRequest req, HttpServletResponse res)\r
- throws ServletModuleException, ServletModuleUserException {\r
- try {\r
- String idParam = req.getParameter("id");\r
- Map withValues = getIntersectingValues(req, mainModule.getStorageObject());\r
-\r
- String id = mainModule.set(withValues);\r
- String whereParam = req.getParameter("where");\r
- String orderParam = req.getParameter("order");\r
-\r
- if ((whereParam != null && !whereParam.equals("")) || (orderParam != null && !orderParam.equals(""))) {\r
- list(req, res);\r
- }\r
- else {\r
- edit(req, res);\r
- }\r
- }\r
- catch (Exception e) {\r
- throw new ServletModuleException(e.getMessage());\r
- }\r
- }\r
-\r
- /**\r
- * deliver liefert das Template mit dem Filenamen templateFilename\r
- * an den HttpServletResponse res aus, nachdem es mit den Daten aus\r
- * TemplateModelRoot rtm gemischt wurde\r
- *\r
- * @param res Http-Response, die vom Dispatcher durchgereicht wird\r
- * @param rtm beinahalten das freemarker.template.TempalteModelRoot mit den\r
- * Daten, die ins Template gemerged werden sollen.\r
- * @param tmpl Name des Templates\r
- * @exception ServletModuleException\r
- */\r
- public void deliver(HttpServletRequest req, HttpServletResponse res,\r
- TemplateModelRoot rtm, TemplateModelRoot popups,\r
- String templateFilename)\r
- throws ServletModuleException {\r
- if (rtm == null) rtm = new SimpleHash();\r
- try {\r
- PrintWriter out = res.getWriter();\r
- HTMLTemplateProcessor.process(res, templateFilename, rtm, popups, out, getLocale(req));\r
-\r
- // we default to admin bundles here, which is not exactly beautiful...\r
- // but this whole producer stuff is going to be rewritten soon.\r
- // ServletModuleOpenIndy overwrites deliver() to use open bundles\r
- // (br1)\r
- out.close();\r
- }\r
- catch (HTMLParseException e) {\r
- throw new ServletModuleException(e.getMessage());\r
- } catch (IOException e) {\r
- throw new ServletModuleException(e.getMessage());\r
- }\r
- }\r
-\r
-\r
- /**\r
- * deliver liefert das Template mit dem Filenamen templateFilename\r
- * an den HttpServletResponse res aus, nachdem es mit den Daten aus\r
- * TemplateModelRoot rtm gemischt wurde\r
- *\r
- * @param res Http-Response, die vom Dispatcher durchgereicht wird\r
- * @param rtm beinahalten das freemarker.template.TempalteModelRoot mit den\r
- * Daten, die ins Template gemerged werden sollen.\r
- * @param tmpl Name des Templates\r
- * @exception ServletModuleException\r
- */\r
- public void deliver(HttpServletRequest req, HttpServletResponse res,\r
- TemplateModelRoot rtm, String templateFilename)\r
- throws ServletModuleException {\r
- deliver(req, res, rtm, null, templateFilename);\r
- }\r
-\r
- /**\r
- * deliver liefert das Template mit dem Filenamen templateFilename\r
- * an den HttpServletResponse res aus, nachdem es mit den Daten aus\r
- * TemplateModelRoot rtm gemischt wurde\r
- *\r
- * @param res Http-Response, die vom Dispatcher durchgereicht wird\r
- * @param rtm beinahalten das freemarker.template.TempalteModelRoot mit den\r
- * Daten, die ins Template gemerged werden sollen.\r
- * @param tmpl Name des Templates\r
- * @exception ServletModuleException\r
- */\r
- public void deliver_compressed(HttpServletRequest req, HttpServletResponse res,\r
- TemplateModelRoot rtm, String templateFilename)\r
- throws ServletModuleException {\r
- if (rtm == null) rtm = new SimpleHash();\r
- try {\r
- PrintWriter out = new LineFilterWriter(res.getWriter());\r
- //PrintWriter out = res.getWriter();\r
- HTMLTemplateProcessor.process(res, templateFilename, rtm, out, getLocale(req));\r
- out.close();\r
- }\r
- catch (HTMLParseException e) {\r
- throw new ServletModuleException(e.getMessage());\r
- }\r
- catch (IOException e) {\r
- throw new ServletModuleException(e.getMessage());\r
- }\r
- }\r
-\r
- /**\r
- * deliver liefert das Template mit dem Filenamen templateFilename\r
- * an den HttpServletResponse res aus, nachdem es mit den Daten aus\r
- * TemplateModelRoot rtm gemischt wurde\r
- *\r
- * @param out ist der OutputStream, in den die gergten Daten geschickt werden sollen.\r
- * @param rtm beinahalten das freemarker.template.TempalteModelRoot mit den\r
- * Daten, die ins Template gemerged werden sollen.\r
- * @param tmpl Name des Templates\r
- * @exception ServletModuleException\r
- */\r
- private void deliver(HttpServletResponse res, HttpServletRequest req, PrintWriter out,\r
- TemplateModelRoot rtm, String templateFilename)\r
- throws HTMLParseException {\r
- HTMLTemplateProcessor.process(res, templateFilename, rtm, out, getLocale(req));\r
- }\r
-\r
- /**\r
- * Wenn die abgeleitete Klasse diese Methode ueberschreibt und einen String mit einem\r
- * Methodennamen zurueckliefert, dann wird diese Methode bei fehlender Angabe des\r
- * doParameters ausgefuehrt.\r
- *\r
- * @return Name der Default-Action\r
- */\r
- public String defaultAction() {\r
- return defaultAction;\r
- }\r
-\r
- /**\r
- * Hier kann vor der Datenaufbereitung schon mal ein response geschickt\r
- * werden (um das subjektive Antwortverhalten bei langsamen Verbindungen\r
- * zu verbessern).\r
- */\r
- public void predeliver(HttpServletRequest req, HttpServletResponse res) {\r
- ;\r
- }\r
-\r
- /**\r
- * Gets the fields from a httprequest and matches them with the metadata from\r
- * the storage object. Returns the keys that match, with their values.\r
- *\r
- * @return Map with the values\r
- */\r
- public Map getIntersectingValues(HttpServletRequest req, StorageObject theStorage)\r
- throws ServletModuleException {\r
-\r
- try {\r
- HTTPRequestParser parser;\r
- List theFieldList;\r
-\r
- logger.debug("using charset: " + req.getParameter("charset"));\r
- logger.debug("using method: " + req.getParameter("do"));\r
- if (req.getParameter("charset") != null) {\r
- parser = new HTTPRequestParser(req, req.getParameter("charset"));\r
- logger.debug("using charset: " + req.getParameter("charset"));\r
- logger.debug("original charset: " + req.getCharacterEncoding());\r
- }\r
- else {\r
- parser = new HTTPRequestParser(req);\r
- }\r
-\r
- theFieldList = theStorage.getFields();\r
-\r
- Map withValues = new HashMap();\r
- String aField, aValue;\r
-\r
- for (int i = 0; i < theFieldList.size(); i++) {\r
- aField = (String) theFieldList.get(i);\r
-\r
- logger.debug("field " + aField + " = " + parser.getParameter(aField));\r
-\r
- aValue = parser.getParameter(aField);\r
- if (aValue != null)\r
- withValues.put(aField, aValue);\r
- }\r
- return withValues;\r
- }\r
- catch (Throwable e) {\r
- e.printStackTrace(logger.asPrintWriter(LoggerWrapper.DEBUG_MESSAGE));\r
- throw new ServletModuleException(\r
- "ServletModule.getIntersectingValues: " + e.getMessage());\r
- }\r
- }\r
-\r
-}\r
+/*
+ * 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 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.
+ */
+package mir.servlet;
+
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+import mir.config.MirPropertiesConfiguration;
+import mir.entity.adapter.EntityAdapterEngine;
+import mir.entity.adapter.EntityAdapterModel;
+import mir.log.LoggerWrapper;
+import mir.module.AbstractModule;
+import mir.module.ModuleExc;
+import mir.storage.StorageObject;
+import mir.util.HTTPRequestParser;
+import mir.util.URLBuilder;
+import mircoders.global.MirGlobal;
+import mircoders.servlet.ServletHelper;
+import mircoders.localizer.MirLocalizerExc;
+import multex.Failure;
+
+/**
+ *
+ * <p>Title: </p>
+ * <p>Description: </p>
+ * <p>Copyright: Copyright (c) 2003</p>
+ * <p>Company: </p>
+ * @author not attributable
+ * @version 1.0
+ */
+
+public abstract class ServletModule {
+ public String defaultAction;
+ protected LoggerWrapper logger;
+ protected static MirPropertiesConfiguration configuration = MirPropertiesConfiguration.instance();
+ private static Locale fallbackLocale = new Locale(configuration.getString("Mir.Admin.FallbackLanguage", "en"), "");
+
+ protected AbstractModule mainModule;
+ protected String definition;
+ protected EntityAdapterModel model;
+
+ protected String listGenerator;
+ protected String editGenerator;
+ protected String deleteConfirmationGenerator;
+ protected int nrEntitiesPerListPage;
+
+
+ public ServletModule(){
+ definition = null;
+ try {
+ model = MirGlobal.localizer().dataModel().adapterModel();
+ }
+ catch (MirLocalizerExc e) {
+ logger.error("Can't create model: " + e.toString());
+ throw new ServletModuleFailure("Can't retrieve model", e);
+ }
+
+
+
+ listGenerator = configuration.getString("ServletModule."+getOperationModuleName()+".ListTemplate");
+ editGenerator = configuration.getString("ServletModule."+getOperationModuleName()+".EditTemplate");
+ deleteConfirmationGenerator = configuration.getString("ServletModule."+getOperationModuleName()+".DeleteConfirmationTemplate");
+ nrEntitiesPerListPage =
+ configuration.getInt("ServletModule."+getOperationModuleName()+".ListSize",
+ configuration.getInt("ServletModule.Default.ListSize", 20));
+
+ }
+
+
+ public void logAdminUsage(HttpServletRequest aRequest, String anObject, String aDescription) {
+ MirGlobal.logAdminUsage(ServletHelper.getUser(aRequest), getOperationModuleName() + ":" + anObject, aDescription);
+ }
+
+ /**
+ * Singleton instance retrievel method. MUST be overridden in subclasses.
+ *
+ * @return ServletModule the single instance of the servletmodule class
+ */
+ public static ServletModule getInstance() {
+ return null;
+ }
+
+ /**
+ * Return the module name
+ */
+ protected String getOperationModuleName() {
+ return getClass().getName().substring((new String("mircoders.servlet.ServletModule")).length());
+ }
+
+ public static Locale[] getLocales(HttpServletRequest aRequest) {
+ return new Locale[] { getLocale(aRequest), fallbackLocale };
+ }
+
+ /**
+ * Return the locale either from the session or the accept-language header ot the request
+ * this supersedes getLanguage for the new i18n
+ */
+ public static Locale getLocale(HttpServletRequest aRequest) {
+ Locale loc = null;
+ HttpSession session = aRequest.getSession(false);
+ if (session != null) {
+ // session can be null in case of logout
+ loc = (Locale) session.getAttribute("locale");
+ }
+ // if there is nothing in the session get it fron the accept-language
+ if (loc == null) {
+ loc = aRequest.getLocale();
+ }
+ return loc;
+ }
+
+ /**
+ * get the locale either from the session or the accept-language header ot the request
+ * this supersedes getLanguage for the new i18n
+ */
+ public Locale getFallbackLocale(HttpServletRequest aRequest) {
+ return fallbackLocale;
+ }
+
+ /**
+ * Function to specify the default ordering for lists. May be overridden.
+ *
+ *
+ * @return
+ */
+ public String getDefaultListOrdering() {
+
+ if (mainModule!=null && mainModule.getStorageObject()!=null){
+ if (mainModule.getStorageObject().getFieldNames().contains("webdb_create"))
+ return "webdb_create desc";
+ }
+
+ return "id asc";
+ }
+
+ /**
+ * Generic list servlet method
+ */
+
+ public void list(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
+ {
+ HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
+
+ String where = requestParser.getParameter("where");
+ String order = requestParser.getParameterWithDefault("order", getDefaultListOrdering());
+ int offset = requestParser.getIntegerWithDefault("offset", 0);
+
+ returnList(aRequest, aResponse, where, order, offset);
+ }
+
+
+ public void returnList(HttpServletRequest aRequest, HttpServletResponse aResponse,
+ String aWhereClause, String anOrderByClause, int anOffset) throws ServletModuleExc {
+
+ HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
+ URLBuilder urlBuilder = new URLBuilder();
+ int count;
+
+ try {
+ Map responseData = ServletHelper.makeGenerationData(aRequest, aResponse, getLocales(aRequest));
+
+ List list =
+ EntityAdapterEngine.retrieveAdapterList(model, definition, aWhereClause, anOrderByClause, nrEntitiesPerListPage, anOffset);
+
+ responseData.put("nexturl", null);
+ responseData.put("prevurl", null);
+ responseData.put("module", getOperationModuleName());
+
+ count=mainModule.getSize(aWhereClause);
+
+ urlBuilder.setValue("module", getOperationModuleName());
+ urlBuilder.setValue("do", "list");
+ urlBuilder.setValue("where", aWhereClause);
+ urlBuilder.setValue("order", anOrderByClause);
+
+ urlBuilder.setValue("searchfield", requestParser.getParameter("searchfield"));
+ urlBuilder.setValue("searchtext", requestParser.getParameter("searchtext"));
+ urlBuilder.setValue("searchispublished", requestParser.getParameter("searchispublished"));
+ urlBuilder.setValue("searchstatus", requestParser.getParameter("searchstatus"));
+ urlBuilder.setValue("searchorder", requestParser.getParameter("searchorder"));
+
+ responseData.put("searchfield", requestParser.getParameter("searchfield"));
+ responseData.put("searchtext", requestParser.getParameter("searchtext"));
+ responseData.put("searchispublished", requestParser.getParameter("searchispublished"));
+ responseData.put("searchstatus", requestParser.getParameter("searchstatus"));
+ responseData.put("searchorder", requestParser.getParameter("searchorder"));
+
+ urlBuilder.setValue("offset", anOffset);
+ responseData.put("offset" , new Integer(anOffset).toString());
+ responseData.put("thisurl" , urlBuilder.getQuery());
+
+ if (count>anOffset+nrEntitiesPerListPage) {
+ urlBuilder.setValue("offset", anOffset + nrEntitiesPerListPage);
+ responseData.put("nexturl" , urlBuilder.getQuery());
+ }
+
+ if (anOffset>0) {
+ urlBuilder.setValue("offset", Math.max(anOffset - nrEntitiesPerListPage, 0));
+ responseData.put("prevurl" , urlBuilder.getQuery());
+ }
+
+ responseData.put("entities", list);
+ responseData.put("from" , Integer.toString(anOffset+1));
+ responseData.put("count", Integer.toString(count));
+ responseData.put("to", Integer.toString(Math.min(anOffset+nrEntitiesPerListPage, count)));
+
+ ServletHelper.generateResponse(aResponse.getWriter(), responseData, listGenerator);
+ }
+ catch (Throwable e) {
+ throw new ServletModuleFailure(e);
+ }
+ }
+
+ public void editObject(HttpServletRequest aRequest, HttpServletResponse aResponse, String anId) throws ServletModuleExc {
+ try {
+ editObject(aRequest, aResponse, model.makeEntityAdapter(definition, mainModule.getById(anId)), false, anId);
+ }
+ catch (Throwable t) {
+ throw new ServletModuleFailure(t);
+ }
+ }
+
+ public void editObject(HttpServletRequest aRequest, HttpServletResponse aResponse, Object anObject, boolean anIsNew, String anId) throws ServletModuleExc {
+ HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
+ URLBuilder urlBuilder = new URLBuilder();
+
+ try {
+ Map responseData = ServletHelper.makeGenerationData(aRequest, aResponse, getLocales(aRequest));
+
+ responseData.put("module", getOperationModuleName());
+ responseData.put("entity", anObject);
+ responseData.put("new", new Boolean(anIsNew));
+
+
+ urlBuilder.setValue("module", getOperationModuleName());
+ urlBuilder.setValue("returnurl", requestParser.getParameter("returnurl"));
+ if (anIsNew)
+ urlBuilder.setValue("do", "add");
+ else {
+ urlBuilder.setValue("id", anId);
+ urlBuilder.setValue("do", "edit");
+ }
+ responseData.put("returnurl", requestParser.getParameter("returnurl"));
+ responseData.put("thisurl", urlBuilder.getQuery());
+
+ ServletHelper.generateResponse(aResponse.getWriter(), responseData, editGenerator);
+ }
+ catch (Throwable e) {
+ throw new ServletModuleFailure(e);
+ }
+ }
+
+ /**
+ * Generic add servlet method
+ */
+ public void add(HttpServletRequest aRequest, HttpServletResponse aResponse)
+ throws ServletModuleExc, ServletModuleUserExc, ServletModuleFailure {
+
+ Map object = new HashMap();
+
+ Iterator i = mainModule.getStorageObject().getFieldNames().iterator();
+
+ while (i.hasNext())
+ object.put(i.next(), "");
+
+ initializeNewObject(object, aRequest, aResponse);
+
+ editObject(aRequest, aResponse, object, true, null);
+ }
+
+ protected void initializeNewObject(Map aNewObject, HttpServletRequest aRequest, HttpServletResponse aResponse) {
+ }
+
+ /**
+ * Generic edit servlet method
+ */
+ public void edit(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc, ServletModuleUserExc, ServletModuleFailure {
+ edit(aRequest, aResponse, aRequest.getParameter("id"));
+ }
+
+ /**
+ */
+ public void edit(HttpServletRequest aRequest, HttpServletResponse aResponse, String anIdentifier)
+ throws ServletModuleExc, ServletModuleUserExc, ServletModuleFailure {
+ try {
+ editObject(aRequest, aResponse, model.makeEntityAdapter(definition, mainModule.getById(anIdentifier)), false, anIdentifier);
+ }
+ catch (Throwable e) {
+ throw new ServletModuleFailure(e);
+ }
+ }
+
+ /**
+ * Generic update servlet method
+ */
+ public void update(HttpServletRequest aRequest, HttpServletResponse aResponse)
+ throws ServletModuleExc, ServletModuleUserExc, ServletModuleFailure {
+ try {
+ HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
+
+ String id = aRequest.getParameter("id");
+ Map withValues = getIntersectingValues(aRequest, mainModule.getStorageObject());
+ mainModule.set(withValues);
+
+ logAdminUsage(aRequest, id, "object modified");
+
+ String returnUrl = requestParser.getParameter("returnurl");
+
+ if (returnUrl!=null) {
+ ServletHelper.redirect(aResponse, returnUrl);
+ }
+ else {
+ edit(aRequest, aResponse, id);
+ }
+ }
+ catch (Throwable e) {
+ throw new ServletModuleFailure(e);
+ }
+ }
+
+ /**
+ * Generic insert servlet method
+ */
+ public void insert(HttpServletRequest aRequest, HttpServletResponse aResponse)
+ throws ServletModuleExc, ServletModuleUserExc, ServletModuleFailure {
+ try {
+ HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
+
+ Map object = getIntersectingValues(aRequest, mainModule.getStorageObject());
+
+ String id = processInstertedObject(object, aRequest, aResponse);
+
+ logAdminUsage(aRequest, id, "object inserted");
+
+ String returnUrl = requestParser.getParameter("returnurl");
+
+ if (returnUrl!=null) {
+ ServletHelper.redirect(aResponse, returnUrl);
+ }
+ else {
+ edit(aRequest, aResponse, id);
+ }
+ }
+ catch (Throwable e) {
+ throw new ServletModuleFailure(e);
+ }
+ }
+
+ /**
+ *
+ */
+ public String processInstertedObject(Map anObject, HttpServletRequest aRequest, HttpServletResponse aResponse) {
+ try {
+ return mainModule.add(anObject);
+ }
+ catch (ModuleExc t) {
+ throw new ServletModuleFailure(t);
+ }
+ };
+
+ /**
+ * Generic delete confirmation servlet method
+ */
+ public void confirmdelete(HttpServletRequest aRequest, HttpServletResponse aResponse) {
+ try {
+ String idParam = aRequest.getParameter("id");
+ String confirmParam = aRequest.getParameter("confirm");
+
+ if (confirmParam != null && !confirmParam.equals("")) {
+ mainModule.deleteById(idParam);
+ logAdminUsage(aRequest, idParam, "object deleted");
+ ServletHelper.redirect(aResponse, aRequest.getParameter("okurl"));
+ }
+ else
+ ServletHelper.redirect(aResponse, aRequest.getParameter("cancelurl"));
+ }
+ catch (Throwable t) {
+ throw new ServletModuleFailure(t);
+ }
+ }
+
+ /**
+ * Generic delete servlet method
+ */
+ public void delete(HttpServletRequest aRequest, HttpServletResponse aResponse)
+ throws ServletModuleExc, ServletModuleUserExc, ServletModuleFailure {
+ try {
+ String idParam = aRequest.getParameter("id");
+
+ if (idParam == null)
+ throw new ServletModuleExc("Invalid call to delete: no id supplied");
+
+ Map responseData = ServletHelper.makeGenerationData(aRequest, aResponse, getLocales(aRequest));
+
+ responseData.put("module", getOperationModuleName());
+ responseData.put("id", idParam);
+ responseData.put("cancelurl", aRequest.getParameter("cancelurl"));
+ responseData.put("okurl", aRequest.getParameter("okurl"));
+
+ ServletHelper.generateResponse(aResponse.getWriter(), responseData, deleteConfirmationGenerator);
+ }
+ catch (Throwable e) {
+ throw new ServletModuleFailure(e);
+ }
+ }
+
+ /**
+ */
+ public String defaultAction() {
+ return defaultAction;
+ }
+
+ /**
+ * Gets the fields from a httprequest and matches them with the metadata from
+ * the storage object. Returns the keys that match, with their values.
+ *
+ * @return Map with the values
+ */
+ public Map getIntersectingValues(HttpServletRequest aRequest, StorageObject theStorage)
+ throws ServletModuleExc, ServletModuleFailure {
+
+ HTTPRequestParser parser;
+ List theFieldList;
+
+ parser = new HTTPRequestParser(aRequest);
+
+ theFieldList = theStorage.getFieldNames();
+
+ Map withValues = new HashMap();
+ String aField, aValue;
+
+ for (int i = 0; i < theFieldList.size(); i++) {
+ aField = (String) theFieldList.get(i);
+
+ aValue = parser.getParameter(aField);
+ if (aValue != null)
+ withValues.put(aField, aValue);
+ }
+ return withValues;
+ }
+}
\ No newline at end of file
projects / mir.git / blobdiff