/*
* Copyright (c) 2009, 2010, 2011, B3log Team
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.b3log.solo.action.impl;
import freemarker.template.Configuration;
import freemarker.template.Template;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import java.util.TimeZone;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.b3log.latke.Latkes;
import org.b3log.latke.action.AbstractAction;
import org.b3log.latke.action.ActionException;
import org.b3log.latke.service.LangPropsService;
import org.b3log.solo.SoloServletListener;
import org.b3log.solo.model.Preference;
import org.b3log.solo.util.Preferences;
import org.json.JSONObject;
/**
* Abstract admin action.
*
* @author <a href="mailto:DL88250@gmail.com">Liang Ding</a>
* @version 1.0.0.6, Jun 28, 2011
*/
public abstract class AbstractAdminAction extends AbstractAction {
/**
* Default serial version uid.
*/
private static final long serialVersionUID = 1L;
/**
* Logger.
*/
private static final Logger LOGGER =
Logger.getLogger(AbstractAdminAction.class.getName());
/**
* Language service.
*/
private LangPropsService langPropsService = LangPropsService.getInstance();
/**
* FreeMarker configuration.
*/
private Configuration configuration;
/**
* Preference utilities.
*/
private Preferences preferenceUtils = Preferences.getInstance();
@Override
public void init() throws ServletException {
configuration = new Configuration();
configuration.setDefaultEncoding("UTF-8");
try {
final String webRootPath = SoloServletListener.getWebRoot();
configuration.setDirectoryForTemplateLoading(new File(webRootPath));
} catch (final IOException e) {
LOGGER.log(Level.SEVERE, e.getMessage(), e);
}
}
@Override
protected Map<?, ?> doFreeMarkerAction(
final freemarker.template.Template template,
final HttpServletRequest request,
final HttpServletResponse response) throws ActionException {
final Map<String, Object> ret = new HashMap<String, Object>();
try {
final JSONObject preference = preferenceUtils.getPreference();
if (null == preference) {
response.sendError(HttpServletResponse.SC_NOT_FOUND);
return ret;
}
final Locale locale = Latkes.getLocale();
final Map<String, String> langs =
langPropsService.getAll(locale);
ret.putAll(langs);
ret.put(Preference.LOCALE_STRING, locale.toString());
// For admin-preference.ftl only
final StringBuilder timeZoneIdOptions = new StringBuilder();
final String[] availableIDs = TimeZone.getAvailableIDs();
for (int i = 0; i < availableIDs.length; i++) {
final String id = availableIDs[i];
String option = null;
if (id.equals(preference.getString(Preference.TIME_ZONE_ID))) {
option = "<option value=\"" + id + "\" selected=\"true\">"
+ id + "</option>";
} else {
option = "<option value=\"" + id + "\">" + id + "</option>";
}
timeZoneIdOptions.append(option);
}
ret.put("timeZoneIdOptions", timeZoneIdOptions.toString());
} catch (final Exception e) {
LOGGER.log(Level.SEVERE, e.getMessage(), e);
throw new ActionException("Language model fill error");
}
return ret;
}
@Override
protected JSONObject doAjaxAction(final JSONObject data,
final HttpServletRequest request,
final HttpServletResponse response)
throws ActionException {
throw new UnsupportedOperationException();
}
@Override
protected Template getTemplate(final HttpServletRequest request) {
final String pageName = getTemplateName(request.getRequestURI());
try {
return configuration.getTemplate(pageName);
} catch (final IOException e) {
LOGGER.log(Level.SEVERE, "Can't find template by the specified request[URI="
+ request.getRequestURI() + "]",
e.getMessage());
return null;
}
}
}