+/*
+ * 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 freemarker.template.SimpleHash;
-import freemarker.template.TemplateModelRoot;
-import freemarker.template.TemplateModel;
-
-import mir.entity.EntityList;
-import mir.misc.*;
-import mir.module.AbstractModule;
-import mir.module.ModuleException;
-import mir.storage.StorageObject;
-import mir.storage.StorageObjectException;
-
+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 java.io.IOException;
-import java.io.PrintWriter;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Locale;
+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;
/**
- * Abstract class ServletModule provides the base functionality for servlets.
- * Deriving a class from ServletModule enables class to insert/edit/update/delete
- * and list Entity from a Database via mainModule.
- *
- *
- * Abstrakte Klasse ServletModule stellt die Basisfunktionalitaet der
- * abgeleiteten ServletModule zur Verfügung.
*
- * @version 28.6.1999
- * @author RK
+ * <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"), "");
- public String defaultAction;
- protected Logfile theLog;
- protected AbstractModule mainModule;
- protected String templateListString;
- protected String templateObjektString;
- protected String templateConfirmString;
-
- /**
- * Singelton - Methode muss in den abgeleiteten Klassen ueberschrieben werden.
- * @return ServletModule
- */
- public static ServletModule getInstance() {
- return null;
- }
+ protected AbstractModule mainModule;
+ protected String definition;
+ protected EntityAdapterModel model;
- /**
- * get the session binded language
- */
- public String getLanguage(HttpServletRequest req) {
- HttpSession session = req.getSession(false);
- String language = (String) session.getAttribute("Language");
- if (language == null) {
- language = MirConfig.getProp("StandardLanguage");
- }
- return language;
- }
+ protected String listGenerator;
+ protected String editGenerator;
+ protected String deleteConfirmationGenerator;
+ protected int nrEntitiesPerListPage;
- /**
- * get the locale either from the session or the accept-language header ot the request
- * this supersedes getLanguage for the new i18n
- */
- public Locale getLocale(HttpServletRequest req) {
- Locale loc = null;
- HttpSession session = req.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 = req.getLocale();
- }
- return loc;
- }
- // ACHTUNG DEPRECATED::::
- public void process(HttpServletRequest req, HttpServletResponse res) throws ServletModuleException {
+ 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));
- /**
- * list(req,res) - generische Listmethode. Wennn die Funktionalitaet
- * nicht reicht, muss sie in der abgeleiteten ServletModule-Klasse
- * ueberschreiben werden.
- *
- * @param req Http-Request, das vom Dispatcher durchgereicht wird
- * @param res Http-Response, die vom Dispatcher durchgereicht wird
- */
- public void list(HttpServletRequest req, HttpServletResponse res)
- throws ServletModuleException {
- try {
- EntityList theList;
- String offsetParam = req.getParameter("offset");
- int offset = 0;
- PrintWriter out = res.getWriter();
-
- // hier offsetcode bearbeiten
- if (offsetParam != null && !offsetParam.equals("")) {
- offset = Integer.parseInt(offsetParam);
- }
- if (req.getParameter("next") != null) {
- offset = Integer.parseInt(req.getParameter("nextoffset"));
- }
- else {
- if (req.getParameter("prev") != null) {
- offset = Integer.parseInt(req.getParameter("prevoffset"));
- }
- }
- theList = mainModule.getByWhereClause(null, offset);
- //theList = mainModule.getByWhereClause((String)null, offset);
- if (theList == null || theList.getCount() == 0 || theList.getCount() > 1) {
- HTMLTemplateProcessor.process(res, templateListString, theList, out, getLocale(req));
- }
- else {
- deliver(req, res, theList.elementAt(0), templateObjektString);
- }
- }
- catch (Exception e) {
- throw new ServletModuleException(e.toString());
- }
+ }
+
+
+ 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() {
- /**
- * add(req,res) - generische Addmethode. Wennn die Funktionalitaet
- * nicht reicht, muss sie in der abgeleiteten ServletModule-Klasse
- * ueberschreiben werden.
- * @param req Http-Request, das vom Dispatcher durchgereicht wird
- * @param res Http-Response, die vom Dispatcher durchgereicht wird
- */
- public void add(HttpServletRequest req, HttpServletResponse res)
- throws ServletModuleException {
-
- try {
- SimpleHash mergeData = new SimpleHash();
- mergeData.put("new", "1");
- deliver(req, res, mergeData, templateObjektString);
- }
- catch (Exception e) {
- throw new ServletModuleException(e.toString());
- }
+ if (mainModule!=null && mainModule.getStorageObject()!=null){
+ if (mainModule.getStorageObject().getFieldNames().contains("webdb_create"))
+ return "webdb_create desc";
}
- /**
- * insert(req,res) - generische Insertmethode, folgt auf add.
- * Wennn die Funktionalitaet
- * nicht reicht, muss sie in der abgeleiteten ServletModule-Klasse
- * ueberschreiben werden.
- *
- * @param req Http-Request, das vom Dispatcher durchgereicht wird
- * @param res Http-Response, die vom Dispatcher durchgereicht wird
- */
- public void insert(HttpServletRequest req, HttpServletResponse res)
- throws ServletModuleException, ServletModuleUserException {
- try {
- HashMap withValues = getIntersectingValues(req, mainModule.getStorageObject());
- theLog.printDebugInfo("--trying to add...");
- String id = mainModule.add(withValues);
- theLog.printDebugInfo("--trying to deliver..." + id);
- list(req, res);
- }
- catch (Exception e) {
- throw new ServletModuleException(e.toString());
- }
+ 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);
}
+ }
- /**
- * delete(req,res) - generische Deletemethode. Wennn die Funktionalitaet
- * nicht reicht, muss sie in der abgeleiteten ServletModule-Klasse
- * ueberschreiben werden.
- *
- * @param req Http-Request, das vom Dispatcher durchgereicht wird
- * @param res Http-Response, die vom Dispatcher durchgereicht wird
- */
-
- public void delete(HttpServletRequest req, HttpServletResponse res)
- throws ServletModuleException {
- try {
- String idParam = req.getParameter("id");
- if (idParam == null) throw new ServletModuleException("Falscher Aufruf: (id) nicht angegeben");
- // Hier code zum Loeschen
- String confirmParam = req.getParameter("confirm");
- String cancelParam = req.getParameter("cancel");
- if (confirmParam == null && cancelParam == null) {
- // HTML Ausgabe zum Confirmen!
- SimpleHash mergeData = new SimpleHash();
- String moduleClassName = mainModule.getClass().getName();
- int i = moduleClassName.indexOf(".Module");
- String moduleName = moduleClassName.substring(i + 7);
- mergeData.put("module", moduleName);
- mergeData.put("infoString", moduleName + ": " + idParam);
- mergeData.put("id", idParam);
- mergeData.put("where", req.getParameter("where"));
- mergeData.put("order", req.getParameter("order"));
- mergeData.put("offset", req.getParameter("offset"));
- deliver(req, res, mergeData, templateConfirmString);
- }
- else {
- if (confirmParam != null && !confirmParam.equals("")) {
- //theLog.printInfo("delete confirmed!");
- mainModule.deleteById(idParam);
- list(req, res); // back to list
- }
- else {
- if (req.getParameter("where") != null)
- list(req, res);
- else
- edit(req, res);
- }
- }
- }
- catch (Exception e) {
- throw new ServletModuleException(e.toString());
- }
+ 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);
}
+ }
- /**
- * edit(req,res) - generische Editmethode. Wennn die Funktionalitaet
- * nicht reicht, muss sie in der abgeleiteten ServletModule-Klasse
- * ueberschreiben werden.
- *
- * @param req Http-Request, das vom Dispatcher durchgereicht wird
- * @param res Http-Response, die vom Dispatcher durchgereicht wird
- */
- public void edit(HttpServletRequest req, HttpServletResponse res)
- throws ServletModuleException {
- try {
- String idParam = req.getParameter("id");
- deliver(req, res, mainModule.getById(idParam), templateObjektString);
- }
- catch (ModuleException e) {
- throw new ServletModuleException(e.toString());
- }
+ 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);
}
+ }
- /**
- * update(req,res) - generische Updatemethode. Wennn die Funktionalitaet
- * nicht reicht, muss sie in der abgeleiteten ServletModule-Klasse
- * ueberschreiben werden.
- *
- * @param req Http-Request, das vom Dispatcher durchgereicht wird
- * @param res Http-Response, die vom Dispatcher durchgereicht wird
- */
-
- public void update(HttpServletRequest req, HttpServletResponse res)
- throws ServletModuleException {
- try {
- String idParam = req.getParameter("id");
- HashMap withValues = getIntersectingValues(req, mainModule.getStorageObject());
- String id = mainModule.set(withValues);
- //theLog.printInfo("Showing Entity with id: " + id);
- //edit(req,res);
- String whereParam = req.getParameter("where");
- String orderParam = req.getParameter("order");
- if ((whereParam != null && !whereParam.equals("")) || (orderParam != null && !orderParam.equals(""))) {
- //theLog.printDebugInfo("update to list");
- list(req, res);
- }
- else {
- edit(req, res);
- }
- //list(req,res);
- }
- catch (Exception e) {
- throw new ServletModuleException(e.toString());
- }
+ /**
+ * 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");
- /**
- * deliver liefert das Template mit dem Filenamen templateFilename
- * an den HttpServletResponse res aus, nachdem es mit den Daten aus
- * TemplateModelRoot rtm gemischt wurde
- *
- * @param res Http-Response, die vom Dispatcher durchgereicht wird
- * @param rtm beinahalten das freemarker.template.TempalteModelRoot mit den
- * Daten, die ins Template gemerged werden sollen.
- * @param tmpl Name des Templates
- * @exception ServletModuleException
- */
- public void deliver(HttpServletRequest req, HttpServletResponse res,
- TemplateModelRoot rtm, TemplateModelRoot popups,
- String templateFilename)
- throws ServletModuleException {
- if (rtm == null) rtm = new SimpleHash();
- try {
- PrintWriter out = res.getWriter();
- HTMLTemplateProcessor.process(res, templateFilename, rtm, popups, out,
- getLocale(req));
- out.close();
- } catch (HTMLParseException e) {
- throw new ServletModuleException(e.toString());
- } catch (IOException e) {
- throw new ServletModuleException(e.toString());
- }
- }
-
-
- /**
- * deliver liefert das Template mit dem Filenamen templateFilename
- * an den HttpServletResponse res aus, nachdem es mit den Daten aus
- * TemplateModelRoot rtm gemischt wurde
- *
- * @param res Http-Response, die vom Dispatcher durchgereicht wird
- * @param rtm beinahalten das freemarker.template.TempalteModelRoot mit den
- * Daten, die ins Template gemerged werden sollen.
- * @param tmpl Name des Templates
- * @exception ServletModuleException
- */
- public void deliver(HttpServletRequest req, HttpServletResponse res,
- TemplateModelRoot rtm, String templateFilename)
- throws ServletModuleException {
- deliver(req, res, rtm, null, templateFilename);
- }
-
- /**
- * deliver liefert das Template mit dem Filenamen templateFilename
- * an den HttpServletResponse res aus, nachdem es mit den Daten aus
- * TemplateModelRoot rtm gemischt wurde
- *
- * @param res Http-Response, die vom Dispatcher durchgereicht wird
- * @param rtm beinahalten das freemarker.template.TempalteModelRoot mit den
- * Daten, die ins Template gemerged werden sollen.
- * @param tmpl Name des Templates
- * @exception ServletModuleException
- */
- public void deliver_compressed(HttpServletRequest req, HttpServletResponse res, TemplateModelRoot rtm, String templateFilename)
- throws ServletModuleException {
- if (rtm == null) rtm = new SimpleHash();
- try {
- PrintWriter out = new LineFilterWriter(res.getWriter());
- //PrintWriter out = res.getWriter();
- HTMLTemplateProcessor.process(res, templateFilename, rtm, out, getLocale(req));
- out.close();
- }
- catch (HTMLParseException e) {
- throw new ServletModuleException(e.toString());
- }
- catch (IOException e) {
- throw new ServletModuleException(e.toString());
- }
+ 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");
- /**
- * deliver liefert das Template mit dem Filenamen templateFilename
- * an den HttpServletResponse res aus, nachdem es mit den Daten aus
- * TemplateModelRoot rtm gemischt wurde
- *
- * @param out ist der OutputStream, in den die gergten Daten geschickt werden sollen.
- * @param rtm beinahalten das freemarker.template.TempalteModelRoot mit den
- * Daten, die ins Template gemerged werden sollen.
- * @param tmpl Name des Templates
- * @exception ServletModuleException
- */
- private void deliver(HttpServletResponse res, HttpServletRequest req, PrintWriter out, TemplateModelRoot rtm, String templateFilename)
- throws HTMLParseException {
- HTMLTemplateProcessor.process(res, templateFilename, rtm, out, getLocale(req));
+ String returnUrl = requestParser.getParameter("returnurl");
+
+ if (returnUrl!=null) {
+ ServletHelper.redirect(aResponse, returnUrl);
+ }
+ else {
+ edit(aRequest, aResponse, id);
+ }
+ }
+ catch (Throwable e) {
+ throw new ServletModuleFailure(e);
}
+ }
- /**
- * Wenn die abgeleitete Klasse diese Methode ueberschreibt und einen String mit einem
- * Methodennamen zurueckliefert, dann wird diese Methode bei fehlender Angabe des
- * doParameters ausgefuehrt.
- *
- * @return Name der Default-Action
- */
- public String defaultAction() {
- return defaultAction;
+ /**
+ *
+ */
+ public String processInstertedObject(Map anObject, HttpServletRequest aRequest, HttpServletResponse aResponse) {
+ try {
+ return mainModule.add(anObject);
+ }
+ catch (ModuleExc t) {
+ throw new ServletModuleFailure(t);
}
+ };
- /**
- * Hier kann vor der Datenaufbereitung schon mal ein response geschickt
- * werden (um das subjektive Antwortverhalten bei langsamen Verbindungen
- * zu verbessern).
- */
- public void predeliver(HttpServletRequest req, HttpServletResponse res) {
- ;
+ /**
+ * 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");
- /**
- * Holt die Felder aus der Metadatenfelderliste des StorageObjects, die
- * im HttpRequest vorkommen und liefert sie als HashMap zurueck
- *
- * @return HashMap mit den Werten
- */
- public HashMap getIntersectingValues(HttpServletRequest req, StorageObject theStorage)
- throws ServletModuleException {
- ArrayList theFieldList;
- try {
- theFieldList = theStorage.getFields();
- }
- catch (StorageObjectException e) {
- throw new ServletModuleException("ServletModule.getIntersectingValues: " + e.toString());
- }
-
- HashMap withValues = new HashMap();
- String aField, aValue;
-
- for (int i = 0; i < theFieldList.size(); i++) {
- aField = (String) theFieldList.get(i);
- aValue = req.getParameter(aField);
- if (aValue != null) withValues.put(aField, aValue);
- }
- return withValues;
+ 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