/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.openmeetings.rss;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Iterator;
import java.util.LinkedHashMap;
import org.apache.openmeetings.OpenmeetingsVariables;
import org.apache.openmeetings.data.basic.AuthLevelUtil;
import org.apache.openmeetings.data.basic.dao.ConfigurationDao;
import org.dom4j.Attribute;
import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
import org.red5.logging.Red5LoggerFactory;
import org.slf4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
public class LoadAtomRssFeed {
private static final Logger log = Red5LoggerFactory.getLogger(
LoadAtomRssFeed.class, OpenmeetingsVariables.webAppRootKey);
@Autowired
private ConfigurationDao configurationDao;
@Autowired
private AuthLevelUtil authLevelmanagement;
public LinkedHashMap<String, LinkedHashMap<String, LinkedHashMap<String, LinkedHashMap<String, Object>>>> getRssFeeds(
Long user_level) {
try {
if (authLevelmanagement.checkUserLevel(user_level)) {
LinkedHashMap<String, LinkedHashMap<String, LinkedHashMap<String, LinkedHashMap<String, Object>>>> returnMap = new LinkedHashMap<String, LinkedHashMap<String, LinkedHashMap<String, LinkedHashMap<String, Object>>>>();
String url1 = configurationDao.getConfValue("rss_feed1", String.class, "");
returnMap.put("feed1", this.parseRssFeed(url1));
String url2 = configurationDao.getConfValue("rss_feed2", String.class, "");
returnMap.put("feed2", this.parseRssFeed(url2));
return returnMap;
} else {
log.error("[getRssFeeds] authorization required");
}
} catch (Exception ex) {
log.error("[getRssFeeds]", ex);
}
return null;
}
public LinkedHashMap<String, LinkedHashMap<String, LinkedHashMap<String, Object>>> parseRssFeed(
String urlEndPoint) {
try {
LinkedHashMap<String, LinkedHashMap<String, LinkedHashMap<String, Object>>> lMap = new LinkedHashMap<String, LinkedHashMap<String, LinkedHashMap<String, Object>>>();
URL url = new URL(urlEndPoint);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setDoOutput(true);
conn.setDoInput(true);
conn.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; .NET CLR 1.1.4322)");
conn.setRequestProperty("Referer",
"http://openmeetings.apache.org/");
conn.connect();
SAXReader reader = new SAXReader();
Document document = reader.read(conn.getInputStream());
Element root = document.getRootElement();
int l = 0;
for (@SuppressWarnings("unchecked")
Iterator<Element> i = root.elementIterator(); i.hasNext();) {
Element item = i.next();
LinkedHashMap<String, LinkedHashMap<String, Object>> items = new LinkedHashMap<String, LinkedHashMap<String, Object>>();
boolean isSubElement = false;
for (@SuppressWarnings("unchecked")
Iterator<Element> it2 = item.elementIterator(); it2.hasNext();) {
Element subItem = it2.next();
LinkedHashMap<String, Object> itemObj = new LinkedHashMap<String, Object>();
itemObj.put("name", subItem.getName());
itemObj.put("text", subItem.getText());
LinkedHashMap<String, String> attributes = new LinkedHashMap<String, String>();
for (@SuppressWarnings("unchecked")
Iterator<Attribute> attr = subItem.attributeIterator(); attr
.hasNext();) {
Attribute at = attr.next();
attributes.put(at.getName(), at.getText());
}
itemObj.put("attributes", attributes);
// log.error(subItem.getName()+ ": " +subItem.getText());
items.put(subItem.getName(), itemObj);
isSubElement = true;
}
if (isSubElement) {
l++;
lMap.put("item" + l, items);
}
}
return lMap;
} catch (Exception err) {
log.error("[parseRssFeed]", err);
}
return null;
}
}