/*
* Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 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.event.symphony;
import java.net.MalformedURLException;
import java.net.URL;
import org.b3log.latke.Keys;
import org.b3log.latke.Latkes;
import org.b3log.latke.event.AbstractEventListener;
import org.b3log.latke.event.Event;
import org.b3log.latke.event.EventException;
import org.b3log.latke.ioc.LatkeBeanManager;
import org.b3log.latke.ioc.Lifecycle;
import org.b3log.latke.logging.Level;
import org.b3log.latke.logging.Logger;
import org.b3log.latke.servlet.HTTPRequestMethod;
import org.b3log.latke.urlfetch.HTTPRequest;
import org.b3log.latke.urlfetch.URLFetchService;
import org.b3log.latke.urlfetch.URLFetchServiceFactory;
import org.b3log.solo.SoloServletListener;
import org.b3log.solo.event.EventTypes;
import org.b3log.solo.event.rhythm.ArticleSender;
import org.b3log.solo.model.Comment;
import org.b3log.solo.model.Preference;
import org.b3log.solo.service.PreferenceQueryService;
import org.json.JSONObject;
/**
* This listener is responsible for sending comment to B3log Symphony.
*
* @author <a href="http://88250.b3log.org">Liang Ding</a>
* @version 1.0.0.3, Mar 5, 2013
* @since 0.5.5
*/
public final class CommentSender extends AbstractEventListener<JSONObject> {
/**
* Logger.
*/
private static final Logger LOGGER = Logger.getLogger(CommentSender.class.getName());
/**
* URL fetch service.
*/
private final URLFetchService urlFetchService = URLFetchServiceFactory.getURLFetchService();
/**
* URL of adding comment to Symphony.
*/
private static final URL ADD_COMMENT_URL;
static {
try {
ADD_COMMENT_URL = new URL(SoloServletListener.B3LOG_SYMPHONY_SERVE_PATH + "/solo/comment");
} catch (final MalformedURLException e) {
LOGGER.log(Level.ERROR, "Creates remote service address[symphony add comment] error!");
throw new IllegalStateException(e);
}
}
@Override
public void action(final Event<JSONObject> event) throws EventException {
final JSONObject data = event.getData();
LOGGER.log(Level.DEBUG, "Processing an event[type={0}, data={1}] in listener[className={2}]",
new Object[] {event.getType(), data, ArticleSender.class.getName()});
try {
final JSONObject originalComment = data.getJSONObject(Comment.COMMENT);
final LatkeBeanManager beanManager = Lifecycle.getBeanManager();
final PreferenceQueryService preferenceQueryService = beanManager.getReference(PreferenceQueryService.class);
final JSONObject preference = preferenceQueryService.getPreference();
if (null == preference) {
throw new EventException("Not found preference");
}
if (Latkes.getServePath().contains("localhost")) {
LOGGER.log(Level.INFO, "Blog Solo runs on local server, so should not send this comment[id={0}] to Symphony",
new Object[] {originalComment.getString(Keys.OBJECT_ID)});
return;
}
final HTTPRequest httpRequest = new HTTPRequest();
httpRequest.setURL(ADD_COMMENT_URL);
httpRequest.setRequestMethod(HTTPRequestMethod.POST);
final JSONObject requestJSONObject = new JSONObject();
final JSONObject comment = new JSONObject();
comment.put("commentId", originalComment.optString(Keys.OBJECT_ID));
comment.put("commentAuthorName", originalComment.getString(Comment.COMMENT_NAME));
comment.put("commentAuthorEmail", originalComment.getString(Comment.COMMENT_EMAIL));
comment.put(Comment.COMMENT_CONTENT, originalComment.getString(Comment.COMMENT_CONTENT));
comment.put("articleId", originalComment.getString(Comment.COMMENT_ON_ID));
requestJSONObject.put(Comment.COMMENT, comment);
requestJSONObject.put("clientVersion", SoloServletListener.VERSION);
requestJSONObject.put("clientRuntimeEnv", Latkes.getRuntimeEnv().name());
requestJSONObject.put("clientName", "B3log Solo");
requestJSONObject.put("clientHost", Latkes.getServerHost() + ":" + Latkes.getServerPort());
requestJSONObject.put("clientAdminEmail", preference.optString(Preference.ADMIN_EMAIL));
requestJSONObject.put("userB3Key", preference.optString(Preference.KEY_OF_SOLO));
httpRequest.setPayload(requestJSONObject.toString().getBytes("UTF-8"));
urlFetchService.fetchAsync(httpRequest);
} catch (final Exception e) {
LOGGER.log(Level.ERROR, "Sends a comment to Symphony error: {0}", e.getMessage());
}
LOGGER.log(Level.DEBUG, "Sent a comment to Symphony");
}
/**
* Gets the event type {@linkplain EventTypes#ADD_COMMENT_TO_ARTICLE}.
*
* @return event type
*/
@Override
public String getEventType() {
return EventTypes.ADD_COMMENT_TO_ARTICLE;
}
}