Java tutorial
/* * This software was designed and created by Jason Carroll. * Copyright (c) 2002, 2003, 2004 Jason Carroll. * The author can be reached at jcarroll@cowsultants.com * ITracker website: http://www.cowsultants.com * ITracker forums: http://www.cowsultants.com/phpBB/index.php * * This program is free software; you can redistribute it and/or modify * it only 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. */ package org.itracker.web.actions.admin.language; import org.apache.commons.beanutils.PropertyUtils; import org.apache.log4j.Logger; import org.apache.struts.action.*; import org.itracker.core.resources.ITrackerResources; import org.itracker.model.NameValuePair; import org.itracker.model.util.UserUtilities; import org.itracker.services.ConfigurationService; import org.itracker.web.actions.base.ItrackerBaseAction; import org.itracker.web.util.HTMLUtilities; import org.itracker.web.util.LoginUtilities; import org.itracker.web.util.ServletContextUtils; import javax.servlet.ServletException; import javax.servlet.ServletOutputStream; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.lang.reflect.InvocationTargetException; import java.util.List; public class ExportLanguageAction extends ItrackerBaseAction { private static final Logger log = Logger.getLogger(ExportLanguageAction.class); public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ActionMessages errors = new ActionMessages(); if (!LoginUtilities.hasPermission(UserUtilities.PERMISSION_USER_ADMIN, request, response)) { return mapping.findForward("unauthorized"); } try { ConfigurationService configurationService = ServletContextUtils.getItrackerServices() .getConfigurationService(); String locale = (String) PropertyUtils.getSimpleProperty(form, "locale"); if (locale != null && !locale.equals("")) { StringBuffer output = new StringBuffer( "# ITracker language properties file for locale " + locale + "\n\n"); List<NameValuePair> items = configurationService.getDefinedKeysAsArray(locale); for (int i = 0; i < items.size(); i++) { if (items.get(i).getName() != null && items.get(i).getValue() != null) { output.append( ITrackerResources.escapeUnicodeString(items.get(i).getName(), false) + "=" + ITrackerResources.escapeUnicodeString( HTMLUtilities.escapeNewlines(items.get(i).getValue()), false) + "\n"); } } response.setHeader("Content-Disposition", "attachment; filename=\"ITracker" + (locale.equals(ITrackerResources.BASE_LOCALE) ? "" : "_" + locale) + ".properties\""); response.setHeader("Content-Type", "application/x-itracker-language-export; charset=UTF-8"); ServletOutputStream out = response.getOutputStream(); out.print(output.toString()); out.flush(); return null; } errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.invalidlocale")); } catch (RuntimeException e) { log.error("Exception while exporting language.", e); errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.system")); } catch (IllegalAccessException e) { log.error("Exception while exporting language.", e); errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.system")); } catch (InvocationTargetException e) { log.error("Exception while exporting language.", e); errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.system")); } catch (NoSuchMethodException e) { log.error("Exception while exporting language.", e); errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.system")); } if (!errors.isEmpty()) { saveErrors(request, errors); } return mapping.findForward("error"); } }