/*
* Copyright (c) 2009, 2010, 2011, 2012, 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.processor;
import freemarker.template.Template;
import java.io.IOException;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang.StringUtils;
import org.b3log.latke.Keys;
import org.b3log.latke.action.AbstractCacheablePageAction;
import org.b3log.latke.annotation.RequestProcessing;
import org.b3log.latke.annotation.RequestProcessor;
import org.b3log.latke.service.LangPropsService;
import org.b3log.latke.servlet.HTTPRequestContext;
import org.b3log.latke.servlet.HTTPRequestMethod;
import org.b3log.latke.servlet.renderer.freemarker.AbstractFreeMarkerRenderer;
import org.b3log.latke.util.Locales;
import org.b3log.latke.util.freemarker.Templates;
import org.b3log.solo.model.PageTypes;
import org.b3log.solo.model.Preference;
import org.b3log.solo.processor.renderer.FrontRenderer;
import org.b3log.solo.processor.util.Filler;
import org.b3log.solo.service.PreferenceQueryService;
import org.b3log.solo.util.Skins;
import org.json.JSONObject;
/**
* User template processor.
*
* <p>
* User can add a template (for example "links.ftl") then visits the page ("links.html").
* </p>
*
* <p>
* See <a href="https://code.google.com/p/b3log-solo/issues/detail?id=409">issue 409</a> for more details.
* </p>
*
* @author <a href="mailto:DL88250@gmail.com">Liang Ding</a>
* @version 1.0.0.2, May 28, 2012
* @since 0.4.5
*/
@RequestProcessor
public final class UserTemplateProcessor {
/**
* Logger.
*/
private static final Logger LOGGER = Logger.getLogger(ArticleProcessor.class.getName());
/**
* Filler.
*/
private Filler filler = Filler.getInstance();
/**
* Preference query service.
*/
private PreferenceQueryService preferenceQueryService = PreferenceQueryService.getInstance();
/**
* Language service.
*/
private LangPropsService langPropsService = LangPropsService.getInstance();
/**
* Shows the user template page.
*
* @param context the specified context
* @param request the specified HTTP servlet request
* @param response the specified HTTP servlet response
* @throws IOException io exception
*/
@RequestProcessing(value = "/*.html", method = HTTPRequestMethod.GET)
public void showPage(final HTTPRequestContext context, final HttpServletRequest request, final HttpServletResponse response)
throws IOException {
final String requestURI = request.getRequestURI();
String templateName = StringUtils.substringAfterLast(requestURI, "/");
templateName = StringUtils.substringBefore(templateName, ".") + ".ftl";
LOGGER.log(Level.FINE, "Shows page[requestURI={0}, templateName={1}]", new Object[]{requestURI, templateName});
final AbstractFreeMarkerRenderer renderer = new FrontRenderer();
context.setRenderer(renderer);
renderer.setTemplateName(templateName);
final Map<String, Object> dataModel = renderer.getDataModel();
final Template template = Templates.getTemplate((String) request.getAttribute(Keys.TEMAPLTE_DIR_NAME), templateName);
if (null == template) {
try {
response.sendError(HttpServletResponse.SC_NOT_FOUND);
return;
} catch (final IOException ex) {
LOGGER.severe(ex.getMessage());
}
}
try {
final Map<String, String> langs = langPropsService.getAll(Locales.getLocale(request));
dataModel.putAll(langs);
final JSONObject preference = preferenceQueryService.getPreference();
filler.fillBlogHeader(request, dataModel, preference);
filler.fillUserTemplate(template, dataModel, preference);
filler.fillBlogFooter(dataModel, preference);
Skins.fillSkinLangs(preference.optString(Preference.LOCALE_STRING),
(String) request.getAttribute(Keys.TEMAPLTE_DIR_NAME), dataModel);
request.setAttribute(AbstractCacheablePageAction.CACHED_OID, "No id");
request.setAttribute(AbstractCacheablePageAction.CACHED_TITLE, requestURI);
request.setAttribute(AbstractCacheablePageAction.CACHED_TYPE, langs.get(PageTypes.USER_TEMPLATE_PAGE));
request.setAttribute(AbstractCacheablePageAction.CACHED_LINK, requestURI);
} catch (final Exception e) {
LOGGER.log(Level.SEVERE, e.getMessage(), e);
try {
response.sendError(HttpServletResponse.SC_NOT_FOUND);
} catch (final IOException ex) {
LOGGER.severe(ex.getMessage());
}
}
}
}