/*
- * put your module comment here
+ * 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.
*/
+package mir.servlet;
+
+import freemarker.template.SimpleHash;
+import freemarker.template.TemplateModelRoot;
+import freemarker.template.TemplateModel;
-package mir.servlet;
+import mir.entity.EntityList;
+import mir.log.*;
+import mir.misc.*;
+import mir.module.AbstractModule;
+import mir.module.ModuleException;
+import mir.storage.StorageObject;
+import mir.storage.StorageObjectException;
-import java.io.*;
-import java.lang.*;
-import java.util.*;
-import javax.servlet.http.*;
-import freemarker.template.*;
-import mir.storage.*;
-import mir.servlet.ServletModuleException;
-import mir.misc.*;
-import mir.entity.*;
-import mir.module.*;
-import mir.misc.*;
+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;
/**
+ * 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.
*
public abstract class ServletModule {
- public String defaultAction;
- protected Logfile theLog;
- protected AbstractModule mainModule;
- protected String templateListString;
- protected String templateObjektString;
- protected String templateConfirmString;
+ public String defaultAction;
+ protected LoggerWrapper logger;
+
+ 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; }
+ public static ServletModule getInstance() {
+ return null;
+ }
+
+ /**
+ * get the module name to be used for generic operations like delete.
+ */
+ protected String getOperationModuleName() {
+ return getClass().getName().substring((new String("mircoders.servlet.ServletModule")).length());
+ }
/**
* get the session binded language
*/
- public String getLanguage(HttpServletRequest req){
- HttpSession session = req.getSession(true);
- String language = (String)session.getAttribute("Language");
- if(language==null){
- language=Configuration.getProperty("StandardLanguage");
+ 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;
}
- // ACHTUNG DEPRECATED::::
- public void process(HttpServletRequest req, HttpServletResponse res) throws ServletModuleException {}
-
+ /**
+ * 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;
+ }
+ public void redirect(HttpServletResponse aResponse, String aQuery) throws ServletModuleException {
+ try {
+ aResponse.sendRedirect(MirConfig.getProp("RootUri") + "/Mir?"+aQuery);
+ }
+ catch (Throwable t) {
+ throw new ServletModuleException(t.getMessage());
+ }
+ }
/**
* list(req,res) - generische Listmethode. Wennn die Funktionalitaet
* @param res Http-Response, die vom Dispatcher durchgereicht wird
*/
public void list(HttpServletRequest req, HttpServletResponse res)
- throws ServletModuleException {
+ throws ServletModuleException {
try {
- EntityList theList;
- String offsetParam = req.getParameter("offset");
- int offset=0;
+ EntityList theList;
+ String offsetParam = req.getParameter("offset");
+ int offset = 0;
PrintWriter out = res.getWriter();
// hier offsetcode bearbeiten
- if (offsetParam != null && !offsetParam.equals("")){
+ 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"));
- }
+ if (req.getParameter("next") != null) {
+ offset = Integer.parseInt(req.getParameter("nextoffset"));
}
- theList = mainModule.getByWhereClause(null, offset);
- //theList = mainModule.getByWhereClause((String)null, offset);
- if (theList == null || theList.getCount() == 0 || theList.getCount()>1){
- HTMLTemplateProcessor.process(res,getLanguage(req)+"/"+templateListString, theList, out);
- } else {
- deliver(req, res, theList.elementAt(0), templateObjektString);
+ else {
+ if (req.getParameter("prev") != null) {
+ offset = Integer.parseInt(req.getParameter("prevoffset"));
+ }
}
- } catch (Exception e) {
- throw new ServletModuleException(e.toString());
+ theList = mainModule.getByWhereClause(null, offset);
+
+ HTMLTemplateProcessor.process(res, templateListString, theList, out, getLocale(req));
+ }
+ catch (Exception e) {
+ throw new ServletModuleException(e.getMessage());
}
}
* @param res Http-Response, die vom Dispatcher durchgereicht wird
*/
public void add(HttpServletRequest req, HttpServletResponse res)
- throws ServletModuleException {
+ throws ServletModuleException {
try {
SimpleHash mergeData = new SimpleHash();
mergeData.put("new", "1");
deliver(req, res, mergeData, templateObjektString);
- } catch (Exception e) {
- throw new ServletModuleException(e.toString());
+ }
+ catch (Exception e) {
+ throw new ServletModuleException(e.getMessage());
}
}
* @param res Http-Response, die vom Dispatcher durchgereicht wird
*/
public void insert(HttpServletRequest req, HttpServletResponse res)
- throws ServletModuleException {
+ throws ServletModuleException, ServletModuleUserException {
try {
HashMap withValues = getIntersectingValues(req, mainModule.getStorageObject());
+ logger.debug("--trying to add...");
String id = mainModule.add(withValues);
- // theLog.printDebugInfo("--trying to deliver..."+id);
- list(req,res);
- //deliver(req, res, mainModule.getById(id), templateObjektString);
+ logger.debug("--trying to deliver..." + id);
+ list(req, res);
+ }
+ catch (Exception e) {
+ throw new ServletModuleException(e.getMessage());
}
- catch (Exception e) { throw new ServletModuleException(e.toString());}
}
-/**
- * delete(req,res) - generische Deletemethode. Wennn die Funktionalitaet
- * nicht reicht, muss sie in der abgeleiteten ServletModule-Klasse
- * ueberschreiben werden.
+ /**
+ * delete(req,res) - generic delete method. Can be overridden in subclasses.
*
- * @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
- {
+ 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
+
+ if (idParam == null)
+ throw new ServletModuleException("Invalid call to delete: no id supplied");
+
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("module", getOperationModuleName());
+ mergeData.put("infoString", getOperationModuleName() + ": " + 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("")) {
+ 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 {
+ list(req, res); // back to list
+ }
+ else {
if (req.getParameter("where") != null)
- list(req,res);
+ list(req, res);
else
- edit(req,res);
+ edit(req, res);
}
}
- } catch (Exception e) {
- throw new ServletModuleException(e.toString());
+ }
+ catch (Exception e) {
+ throw new ServletModuleException(e.getMessage());
}
}
* @param res Http-Response, die vom Dispatcher durchgereicht wird
*/
public void edit(HttpServletRequest req, HttpServletResponse res)
- throws ServletModuleException {
+ throws ServletModuleException {
try {
String idParam = req.getParameter("id");
deliver(req, res, mainModule.getById(idParam), templateObjektString);
- } catch(ModuleException e) {
- throw new ServletModuleException(e.toString());
+ }
+ catch (ModuleException e) {
+ throw new ServletModuleException(e.getMessage());
}
}
-/**
+ /**
* update(req,res) - generische Updatemethode. Wennn die Funktionalitaet
* nicht reicht, muss sie in der abgeleiteten ServletModule-Klasse
* ueberschreiben werden.
*/
public void update(HttpServletRequest req, HttpServletResponse res)
- throws ServletModuleException {
+ 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 {
+
+ if ((whereParam != null && !whereParam.equals("")) || (orderParam != null && !orderParam.equals(""))) {
+ list(req, res);
+ }
+ else {
edit(req, res);
}
- //list(req,res);
- } catch (Exception e) {
- throw new ServletModuleException(e.toString());
}
- }
-
- // Hilfsprozeduren
- /**
- public void predeliver(HttpServletResponse res, TemplateModelRoot rtm, String tmpl)
- throws ServletModuleException {
- try {
- PrintWriter out = new LineFilterWriter(res.getWriter());
- StringWriter a = new StringWriter();
- deliver(new PrintWriter(a),rtm,tmpl);
- out.write(a.toString());
- out.flush();
- } catch (Exception e) {
- e.printStackTrace();System.err.println(e.toString());
+ catch (Exception e) {
+ throw new ServletModuleException(e.getMessage());
}
}
- */
/**
* deliver liefert das Template mit dem Filenamen templateFilename
* @param tmpl Name des Templates
* @exception ServletModuleException
*/
- public void deliver(HttpServletRequest req, HttpServletResponse res, TemplateModelRoot rtm, String templateFilename)
- throws 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 = new LineFilterWriter(res.getWriter());
- PrintWriter out = res.getWriter();
- HTMLTemplateProcessor.process(res,getLanguage(req)+"/"+templateFilename, rtm , out);
+ PrintWriter out = res.getWriter();
+ HTMLTemplateProcessor.process(res, templateFilename, rtm, popups, out, getLocale(req));
+
+ // we default to admin bundles here, which is not exactly beautiful...
+ // but this whole producer stuff is going to be rewritten soon.
+ // ServletModuleOpenIndy overwrites deliver() to use open bundles
+ // (br1)
out.close();
- } catch (HTMLParseException e) {
- throw new ServletModuleException(e.toString());
+ }
+ catch (HTMLParseException e) {
+ throw new ServletModuleException(e.getMessage());
} catch (IOException e) {
- throw new ServletModuleException(e.toString());
+ throw new ServletModuleException(e.getMessage());
}
}
+
+
+ /**
+ * 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 entity Entity, aus der die Daten, die ins Template gemerged 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
*/
- public void deliver(HttpServletRequest req, HttpServletResponse res, Entity ent, String templateFilename)
- throws ServletModuleException {
- deliver(req, res,HTMLTemplateProcessor.makeSimpleHash(ent), templateFilename);
+ 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.getMessage());
+ }
+ catch (IOException e) {
+ throw new ServletModuleException(e.getMessage());
+ }
}
+
/**
* deliver liefert das Template mit dem Filenamen templateFilename
* an den HttpServletResponse res aus, nachdem es mit den Daten aus
* @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,getLanguage(req)+"/"+templateFilename, rtm , out);
+ private void deliver(HttpServletResponse res, HttpServletRequest req, PrintWriter out,
+ TemplateModelRoot rtm, String templateFilename)
+ throws HTMLParseException {
+ HTMLTemplateProcessor.process(res, templateFilename, rtm, out, getLocale(req));
}
/**
*
* @return Name der Default-Action
*/
- public String defaultAction() { return defaultAction; }
+ public String defaultAction() {
+ return defaultAction;
+ }
- /**
+ /**
* 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) { ; }
+ public void predeliver(HttpServletRequest req, HttpServletResponse res) {
+ ;
+ }
/**
* Holt die Felder aus der Metadatenfelderliste des StorageObjects, die
* @return HashMap mit den Werten
*/
public HashMap getIntersectingValues(HttpServletRequest req, StorageObject theStorage)
- throws ServletModuleException {
+ throws ServletModuleException {
ArrayList theFieldList;
try {
- theFieldList = theStorage.getFields();
- } catch (StorageObjectException e) {
- throw new ServletModuleException("ServletModule.getIntersectingValues: " + e.toString());
+ theFieldList = theStorage.getFields();
+ }
+ catch (StorageObjectException e) {
+ throw new ServletModuleException("ServletModule.getIntersectingValues: " + e.getMessage());
}
HashMap withValues = new HashMap();
String aField, aValue;
- for(int i=0; i<theFieldList.size();i++) {
- aField = (String)theFieldList.get(i);
+ for (int i = 0; i < theFieldList.size(); i++) {
+ aField = (String) theFieldList.get(i);
aValue = req.getParameter(aField);
- if (aValue!=null) withValues.put(aField,aValue);
+ if (aValue != null) withValues.put(aField, aValue);
}
return withValues;
}
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