Title:
+ *Description:
+ *Copyright: Copyright (c) 2003
+ *Company:
+ * @author not attributable + * @version 1.0 */ public abstract class ServletModule { + public String defaultAction; + protected LoggerWrapper logger; + protected MirPropertiesConfiguration configuration; + protected Locale fallbackLocale; - public String defaultAction; - protected Logfile theLog; - protected AbstractModule mainModule; - protected String templateListString; - protected String templateObjektString; - protected String templateConfirmString; + protected AbstractModule mainModule; + protected String definition; + protected EntityAdapterModel model; - /** - * Singelton - Methode muss in den abgeleiteten Klassen ueberschrieben werden. - * @return ServletModule - */ - public static ServletModule getInstance() { return null; } + protected String listGenerator; + protected String editGenerator; + protected String deleteConfirmationGenerator; + protected int nrEntitiesPerListPage; - /** - * 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"); + + public ServletModule(){ + definition = null; + model = null; + + try { + configuration = MirPropertiesConfiguration.instance(); } - return language; + catch (PropertiesConfigExc e) { + throw new RuntimeException("Can't get configuration: " + e.getMessage()); + } + + 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)); + + fallbackLocale = new Locale(configuration.getString("Mir.Admin.FallbackLanguage", "en"), ""); } - // ACHTUNG DEPRECATED:::: - public void process(HttpServletRequest req, HttpServletResponse res) throws ServletModuleException {} + 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; + } /** - * list(req,res) - generische Listmethode. Wennn die Funktionalitaet - * nicht reicht, muss sie in der abgeleiteten ServletModule-Klasse - * ueberschreiben werden. + * Get the module name * - * @param req Http-Request, das vom Dispatcher durchgereicht wird - * @param res Http-Response, die vom Dispatcher durchgereicht wird + * @return */ - 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,getLanguage(req)+"/"+templateListString, theList, out); - } else { - deliver(req, res, theList.elementAt(0), templateObjektString); - } - } catch (Exception e) { - throw new ServletModuleException(e.toString()); + protected String getOperationModuleName() { + return getClass().getName().substring((new String("mircoders.servlet.ServletModule")).length()); + } + + /** + * 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 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; } /** - * 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 + * get the locale either from the session or the accept-language header ot the request + * this supersedes getLanguage for the new i18n */ - public void add(HttpServletRequest req, HttpServletResponse res) - throws ServletModuleException { + public Locale getFallbackLocale(HttpServletRequest aRequest) { + return fallbackLocale; + } - try { - SimpleHash mergeData = new SimpleHash(); - mergeData.put("new", "1"); - deliver(req, res, mergeData, templateObjektString); - } catch (Exception e) { - throw new ServletModuleException(e.toString()); + /** + * Function to specify the default ordering for lists. May be overridden. + * + * + * @return + */ + public String getDefaultListOrdering() { + + if (mainModule!=null && mainModule.getStorageObject()!=null){ + if (mainModule.getStorageObject().getFields().contains("webdb_create")) + return "webdb_create desc"; } + + return "id asc"; } /** - * 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 + * @param aResponse + * @param aQuery + * @throws ServletModuleExc + * @throws ServletModuleFailure */ - public void insert(HttpServletRequest req, HttpServletResponse res) - throws ServletModuleException { + public void redirect(HttpServletResponse aResponse, String aQuery) throws ServletModuleExc, ServletModuleFailure { try { - HashMap withValues = getIntersectingValues(req, mainModule.getStorageObject()); - String id = mainModule.add(withValues); - // theLog.printDebugInfo("--trying to deliver..."+id); - list(req,res); - //deliver(req, res, mainModule.getById(id), templateObjektString); + aResponse.sendRedirect(aResponse.encodeRedirectURL(MirPropertiesConfiguration.instance().getString("RootUri") + "/servlet/Mir?"+aQuery)); + } + catch (Throwable t) { + throw new ServletModuleFailure("ServletModule.redirect: " +t.getMessage(), t); } - 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. + /** + * Generic list method * - * @param req Http-Request, das vom Dispatcher durchgereicht wird - * @param res Http-Response, die vom Dispatcher durchgereicht wird + * @param aRequest + * @param aResponse + * @throws ServletModuleExc + * @throws ServletModuleUserExc + * @throws ServletModuleFailure */ - public void delete(HttpServletRequest req, HttpServletResponse res) - throws ServletModuleException + 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, new Locale[] { getLocale(aRequest), getFallbackLocale(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(); + EntityAdapterModel model; + 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); - } + Map responseData = ServletHelper.makeGenerationData(aRequest, aResponse, new Locale[] { getLocale(aRequest), getFallbackLocale(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"); } - } catch (Exception e) { - throw new ServletModuleException(e.toString()); + responseData.put("returnurl", requestParser.getParameter("returnurl")); + responseData.put("thisurl", urlBuilder.getQuery()); + + ServletHelper.generateResponse(aResponse.getWriter(), responseData, editGenerator); + } + catch (Throwable e) { + throw new ServletModuleFailure(e); } } + /** - * edit(req,res) - generische Editmethode. Wennn die Funktionalitaet - * nicht reicht, muss sie in der abgeleiteten ServletModule-Klasse - * ueberschreiben werden. + * Generic add method * - * @param req Http-Request, das vom Dispatcher durchgereicht wird - * @param res Http-Response, die vom Dispatcher durchgereicht wird + * @param aRequest + * @param aResponse + * @throws ServletModuleExc + * @throws ServletModuleUserExc + * @throws ServletModuleFailure */ - 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 add(HttpServletRequest aRequest, HttpServletResponse aResponse) + throws ServletModuleExc, ServletModuleUserExc, ServletModuleFailure { + + Map object = new HashMap(); + + Iterator i = mainModule.getStorageObject().getFields().iterator(); + + while (i.hasNext()) + object.put(i.next(), ""); + + initializeNewObject(object, aRequest, aResponse); + + editObject(aRequest, aResponse, object, true, null); } -/** - * update(req,res) - generische Updatemethode. Wennn die Funktionalitaet - * nicht reicht, muss sie in der abgeleiteten ServletModule-Klasse - * ueberschreiben werden. + protected void initializeNewObject(Map aNewObject, HttpServletRequest aRequest, HttpServletResponse aResponse) { + } + + /** + * Method called when the user edits an object. * - * @param req Http-Request, das vom Dispatcher durchgereicht wird - * @param res Http-Response, die vom Dispatcher durchgereicht wird + * @param aRequest + * @param aResponse + * @throws ServletModuleExc + * @throws ServletModuleUserExc + * @throws ServletModuleFailure */ + public void edit(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc, ServletModuleUserExc, ServletModuleFailure { + edit(aRequest, aResponse, aRequest.getParameter("id")); + } - public void update(HttpServletRequest req, HttpServletResponse res) - throws ServletModuleException { + /** + * Generic edit method + * + * @param aRequest + * @param aResponse + * @param anIdentifier + * @throws ServletModuleExc + * @throws ServletModuleUserExc + * @throws ServletModuleFailure + */ + public void edit(HttpServletRequest aRequest, HttpServletResponse aResponse, String anIdentifier) + throws ServletModuleExc, ServletModuleUserExc, ServletModuleFailure { 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()); + editObject(aRequest, aResponse, model.makeEntityAdapter(definition, mainModule.getById(anIdentifier)), false, anIdentifier); + } + catch (Throwable e) { + throw new ServletModuleFailure(e); } } - // Hilfsprozeduren /** - public void predeliver(HttpServletResponse res, TemplateModelRoot rtm, String tmpl) - throws ServletModuleException { + * Generic update method + * + * @param aRequest + * @param aResponse + * @throws ServletModuleExc + * @throws ServletModuleUserExc + * @throws ServletModuleFailure + */ + public void update(HttpServletRequest aRequest, HttpServletResponse aResponse) + throws ServletModuleExc, ServletModuleUserExc, ServletModuleFailure { 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()); + 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) { + redirect(aResponse, returnUrl); + } + else { + edit(aRequest, aResponse, id); + } + } + catch (Throwable e) { + throw new ServletModuleFailure(e); } } - */ /** - * deliver liefert das Template mit dem Filenamen templateFilename - * an den HttpServletResponse res aus, nachdem es mit den Daten aus - * TemplateModelRoot rtm gemischt wurde + * Generic insert method * - * @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 + * @param aRequest + * @param aResponse + * @throws ServletModuleExc + * @throws ServletModuleUserExc + * @throws ServletModuleFailure */ - public void deliver(HttpServletRequest req, HttpServletResponse res, TemplateModelRoot rtm, String templateFilename) - throws ServletModuleException { - if (rtm == null) rtm = new SimpleHash(); + public void insert(HttpServletRequest aRequest, HttpServletResponse aResponse) + throws ServletModuleExc, ServletModuleUserExc, ServletModuleFailure { try { - //PrintWriter out = new LineFilterWriter(res.getWriter()); - PrintWriter out = res.getWriter(); - HTMLTemplateProcessor.process(res,getLanguage(req)+"/"+templateFilename, rtm , out); - out.close(); - } catch (HTMLParseException e) { - throw new ServletModuleException(e.toString()); - } catch (IOException e) { - throw new ServletModuleException(e.toString()); + 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) { + 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 (Throwable t) { + throw new ServletModuleFailure(t); + } + }; + /** - * 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 tmpl Name des Templates - * @exception ServletModuleException + * @param aRequest + * @param aResponse */ - public void deliver(HttpServletRequest req, HttpServletResponse res, Entity ent, String templateFilename) - throws ServletModuleException { - deliver(req, res,HTMLTemplateProcessor.makeSimpleHash(ent), templateFilename); + public void confirmdelete(HttpServletRequest aRequest, HttpServletResponse aResponse) { + try { + String idParam = aRequest.getParameter("id"); + String confirmParam = aRequest.getParameter("confirm"); + String cancelParam = aRequest.getParameter("cancel"); + + if (confirmParam != null && !confirmParam.equals("")) { + mainModule.deleteById(idParam); + logAdminUsage(aRequest, idParam, "object deleted"); + redirect(aResponse, aRequest.getParameter("okurl")); + } + else + redirect(aResponse, aRequest.getParameter("cancelurl")); + } + catch (Throwable t) { + throw new ServletModuleFailure(t); + } } /** - * 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 + * @param aRequest + * @param aResponse + * @throws ServletModuleExc + * @throws ServletModuleUserExc + * @throws ServletModuleFailure */ - private void deliver(HttpServletResponse res,HttpServletRequest req, PrintWriter out, TemplateModelRoot rtm, String templateFilename) - throws HTMLParseException { - HTMLTemplateProcessor.process(res,getLanguage(req)+"/"+templateFilename, rtm , out); + 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, new Locale[] { getLocale(aRequest), getFallbackLocale(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); + } } /** @@ -308,39 +502,43 @@ public abstract class ServletModule { * * @return Name der Default-Action */ - 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 String defaultAction() { + return defaultAction; + } /** - * Holt die Felder aus der Metadatenfelderliste des StorageObjects, die - * im HttpRequest vorkommen und liefert sie als HashMap zurueck + * 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 HashMap mit den Werten + * @return Map with the values */ - public HashMap getIntersectingValues(HttpServletRequest req, StorageObject theStorage) - throws ServletModuleException { - ArrayList theFieldList; + public Map getIntersectingValues(HttpServletRequest aRequest, StorageObject theStorage) + throws ServletModuleExc, ServletModuleFailure { + try { - theFieldList = theStorage.getFields(); - } catch (StorageObjectException e) { - throw new ServletModuleException("ServletModule.getIntersectingValues: " + e.toString()); - } + HTTPRequestParser parser; + List theFieldList; + + parser = new HTTPRequestParser(aRequest); + + theFieldList = theStorage.getFields(); + + Map withValues = new HashMap(); + String aField, aValue; - 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