Java tutorial
/* * Copyright (C) 2006 Jordi Marqus Ferr * * This program 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. * * This program 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 this software; see the file DUROTY.txt. * * Author: Jordi Marqus Ferr * c/Mallorca 295 principal B 08037 Barcelona Spain * Phone: +34 625397324 */ /** * */ package com.duroty.application.files.utils; import java.rmi.RemoteException; import java.util.Hashtable; import java.util.Locale; import javax.ejb.CreateException; import javax.naming.NamingException; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.fileupload.DiskFileUpload; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionMapping; import com.duroty.application.files.interfaces.Files; import com.duroty.application.files.interfaces.FilesHome; import com.duroty.application.files.interfaces.FilesSearch; import com.duroty.application.files.interfaces.FilesSearchHome; import com.duroty.application.files.interfaces.FilesSearchUtil; import com.duroty.application.files.interfaces.FilesUtil; import com.duroty.application.files.interfaces.Store; import com.duroty.application.files.interfaces.StoreHome; import com.duroty.application.files.interfaces.StoreUtil; import com.duroty.application.mail.exceptions.MailException; import com.duroty.application.mail.interfaces.Preferences; import com.duroty.application.mail.interfaces.PreferencesHome; import com.duroty.application.mail.interfaces.PreferencesUtil; import com.duroty.config.Configuration; import com.duroty.controller.actions.DefaultAction; import com.duroty.cookie.CookieManager; import com.duroty.exceptions.LanguageControlException; import com.duroty.utils.Pagination; /** * @author durot * */ public abstract class FilesDefaultAction extends DefaultAction { /** Controlador de disc per realitzar els attachments dels correus electrnics */ protected static DiskFileUpload diskFileUpload = null; /** * Creates a new MailDefaultAction object. */ public FilesDefaultAction() { } /* (non-Javadoc) * @see com.duroty.controller.actions.DefaultAction#doInit(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse) */ protected void doInit(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { if (diskFileUpload == null) { diskFileUpload = new DiskFileUpload(); long sizeMax = Long.parseLong(Configuration.properties.getProperty(Configuration.MAX_FILE_UPLOAD)); diskFileUpload.setSizeMax(sizeMax); } } /** * DOCUMENT ME! * * @param request DOCUMENT ME! * * @return DOCUMENT ME! * * @throws NamingException DOCUMENT ME! * @throws RemoteException DOCUMENT ME! * @throws CreateException DOCUMENT ME! */ protected Files getFilesInstance(HttpServletRequest request) throws NamingException, RemoteException, CreateException { FilesHome home = null; Boolean localServer = new Boolean(Configuration.properties.getProperty(Configuration.LOCAL_WEB_SERVER)); if (localServer.booleanValue()) { home = FilesUtil.getHome(); } else { Hashtable environment = getContextProperties(request); home = FilesUtil.getHome(environment); } return home.create(); } /** * DOCUMENT ME! * * @param request DOCUMENT ME! * * @return DOCUMENT ME! * * @throws NamingException DOCUMENT ME! * @throws RemoteException DOCUMENT ME! * @throws CreateException DOCUMENT ME! */ protected Store getStoreInstance(HttpServletRequest request) throws NamingException, RemoteException, CreateException { StoreHome home = null; Boolean localServer = new Boolean(Configuration.properties.getProperty(Configuration.LOCAL_WEB_SERVER)); if (localServer.booleanValue()) { home = StoreUtil.getHome(); } else { Hashtable environment = getContextProperties(request); home = StoreUtil.getHome(environment); } return home.create(); } /** * DOCUMENT ME! * * @param request DOCUMENT ME! * * @return DOCUMENT ME! * * @throws NamingException DOCUMENT ME! * @throws RemoteException DOCUMENT ME! * @throws CreateException DOCUMENT ME! */ protected Preferences getPreferencesInstance(HttpServletRequest request) throws NamingException, RemoteException, CreateException { PreferencesHome home = null; Boolean localServer = new Boolean(Configuration.properties.getProperty(Configuration.LOCAL_WEB_SERVER)); if (localServer.booleanValue()) { home = PreferencesUtil.getHome(); } else { Hashtable environment = getContextProperties(request); home = PreferencesUtil.getHome(environment); } return home.create(); } /** * DOCUMENT ME! * * @param request DOCUMENT ME! * * @return DOCUMENT ME! * * @throws NamingException DOCUMENT ME! * @throws RemoteException DOCUMENT ME! * @throws CreateException DOCUMENT ME! */ protected FilesSearch getFilesSearchInstance(HttpServletRequest request) throws NamingException, RemoteException, CreateException { FilesSearchHome home = null; Boolean localServer = new Boolean(Configuration.properties.getProperty(Configuration.LOCAL_WEB_SERVER)); if (localServer.booleanValue()) { home = FilesSearchUtil.getHome(); } else { Hashtable environment = getContextProperties(request); home = FilesSearchUtil.getHome(environment); } return home.create(); } /** * DOCUMENT ME! * * @param request DOCUMENT ME! * * @return DOCUMENT ME! */ protected String getPagination(HttpServletRequest request, String action, int hits, int messagesByPage) { int pag = 1; if (action == null) { action = "Files.getFiles"; } if (request.getParameter("page") != null) { try { pag = Integer.parseInt(request.getParameter("page")); if (pag <= 0) { pag = 1; } } catch (NumberFormatException nfe) { pag = 1; } } Pagination pagination = new Pagination(action, pag, hits, messagesByPage, 10); return pagination.getText(); } /** * DOCUMENT ME! * * @param request DOCUMENT ME! * @param response DOCUMENT ME! * * @return DOCUMENT ME! * * @throws LanguageControlException DOCUMENT ME! */ protected Locale languageControl(HttpServletRequest request, HttpServletResponse response) throws LanguageControlException { Preferences preferences = null; String language = null; String name = Configuration.properties.getProperty(Configuration.COOKIE_LANGUAGE); int maxAge = Integer.parseInt(Configuration.properties.getProperty(Configuration.COOKIE_MAX_AGE)); Cookie cookie = CookieManager.getCookie(name, request); if (cookie != null) { language = cookie.getValue(); cookie.setMaxAge(maxAge); CookieManager.setCookie("/", cookie, response); } else { } try { preferences = getPreferencesInstance(request); language = preferences.getPreferences().getLanguage(); } catch (RemoteException e) { } catch (NamingException e) { } catch (CreateException e) { } catch (MailException e) { } Boolean b = new Boolean(Configuration.properties.getProperty(Configuration.AUTO_LOCALE)); boolean autoLocale = b.booleanValue(); if (language == null) { if (!autoLocale) { throw new LanguageControlException("Choose Language. The language is empty", null); } else { language = Configuration.properties.getProperty(Configuration.DEFAULT_LANGUAGE); } } cookie = new Cookie(name, language); cookie.setMaxAge(maxAge); CookieManager.setCookie("/", cookie, response); return new Locale(language); } }