/*
* 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 org.b3log.solo.model.Preference;
import org.b3log.solo.processor.renderer.FrontRenderer;
import org.b3log.solo.processor.util.Filler;
import org.b3log.solo.service.CommentQueryService;
import org.b3log.solo.service.PreferenceQueryService;
import org.b3log.latke.Keys;
import org.b3log.latke.Latkes;
import org.b3log.latke.service.LangPropsService;
import org.b3log.solo.model.Page;
import java.io.IOException;
import java.util.List;
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.b3log.latke.annotation.RequestProcessing;
import org.b3log.latke.annotation.RequestProcessor;
import org.b3log.latke.servlet.renderer.freemarker.AbstractFreeMarkerRenderer;
import org.b3log.latke.servlet.HTTPRequestContext;
import org.b3log.latke.servlet.HTTPRequestMethod;
import org.b3log.solo.model.PageTypes;
import org.b3log.solo.util.Skins;
import org.json.JSONObject;
import static org.b3log.latke.action.AbstractCacheablePageAction.*;
import org.b3log.latke.util.Stopwatchs;
import org.b3log.solo.model.Common;
import org.b3log.solo.service.PageQueryService;
import org.b3log.solo.util.Markdowns;
/**
* Page processor.
*
* @author <a href="mailto:DL88250@gmail.com">Liang Ding</a>
* @version 1.1.0.2, Apr 29, 2012
* @since 0.3.1
*/
@RequestProcessor
public final class PageProcessor {
/**
* Logger.
*/
private static final Logger LOGGER = Logger.getLogger(PageProcessor.class.getName());
/**
* Language service.
*/
private LangPropsService langPropsService = LangPropsService.getInstance();
/**
* Filler.
*/
private Filler filler = Filler.getInstance();
/**
* Preference query service.
*/
private PreferenceQueryService preferenceQueryService = PreferenceQueryService.getInstance();
/**
* Comment query service.
*/
private CommentQueryService commentQueryService = CommentQueryService.getInstance();
/**
* Page query service.
*/
private PageQueryService pageQueryService = PageQueryService.getInstance();
/**
* Shows page with the specified context.
*
* @param context the specified context
*/
@RequestProcessing(value = "/page", method = HTTPRequestMethod.GET)
public void showPage(final HTTPRequestContext context) {
final AbstractFreeMarkerRenderer renderer = new FrontRenderer();
context.setRenderer(renderer);
renderer.setTemplateName("page.ftl");
final Map<String, Object> dataModel = renderer.getDataModel();
final HttpServletRequest request = context.getRequest();
final HttpServletResponse response = context.getResponse();
try {
final JSONObject preference = preferenceQueryService.getPreference();
if (null == preference) {
response.sendError(HttpServletResponse.SC_NOT_FOUND);
return;
}
Skins.fillSkinLangs(
preference.getString(Preference.LOCALE_STRING),
(String) request.getAttribute(Keys.TEMAPLTE_DIR_NAME),
dataModel);
final Map<String, String> langs = langPropsService.getAll(Latkes.getLocale());
request.setAttribute(CACHED_TYPE, langs.get(PageTypes.PAGE));
final JSONObject page = (JSONObject) request.getAttribute(Page.PAGE);
if (null == page) {
response.sendError(HttpServletResponse.SC_NOT_FOUND);
return;
}
final String pageId = page.getString(Keys.OBJECT_ID);
request.setAttribute(CACHED_OID, pageId);
request.setAttribute(CACHED_TITLE, page.getString(Page.PAGE_TITLE));
request.setAttribute(CACHED_LINK, page.getString(Page.PAGE_PERMALINK));
page.put(Common.COMMENTABLE, page.getBoolean(Page.PAGE_COMMENTABLE));
page.put(Common.PERMALINK, page.getString(Page.PAGE_PERMALINK));
dataModel.put(Page.PAGE, page);
final List<JSONObject> comments = commentQueryService.getComments(pageId);
dataModel.put(Page.PAGE_COMMENTS_REF, comments);
// Markdown
if ("CodeMirror-Markdown".equals(page.optString(Page.PAGE_EDITOR_TYPE))) {
Stopwatchs.start("Markdown Page[id=" + page.optString(Keys.OBJECT_ID) + "]");
final String content = page.optString(Page.PAGE_CONTENT);
page.put(Page.PAGE_CONTENT, Markdowns.toHTML(content));
Stopwatchs.end();
}
filler.fillSide(request, dataModel, preference);
filler.fillBlogHeader(request, dataModel, preference);
filler.fillBlogFooter(dataModel, preference);
} catch (final Exception e) {
LOGGER.log(Level.SEVERE, e.getMessage(), e);
try {
response.sendError(HttpServletResponse.SC_NOT_FOUND);
return;
} catch (final IOException ex) {
LOGGER.severe(ex.getMessage());
}
}
}
}