ExportLanguageAction.java

/*
 * 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");
    }

}