You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
95 lines
4.0 KiB
95 lines
4.0 KiB
// feed.java
|
|
// (C) 2008 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
|
|
// first published 25.04.2008 on http://yacy.net
|
|
//
|
|
// This is a part of YaCy, a peer-to-peer based web search engine
|
|
//
|
|
// $LastChangedDate: 2006-04-02 22:40:07 +0200 (So, 02 Apr 2006) $
|
|
// $LastChangedRevision: 1986 $
|
|
// $LastChangedBy: orbiter $
|
|
//
|
|
// LICENSE
|
|
//
|
|
// This program is free software; you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation; either version 2 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program; if not, write to the Free Software
|
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
package xml;
|
|
|
|
import de.anomic.http.httpRequestHeader;
|
|
import de.anomic.plasma.plasmaSwitchboard;
|
|
import de.anomic.server.serverObjects;
|
|
import de.anomic.server.serverSwitch;
|
|
import de.anomic.xml.RSSFeed;
|
|
import de.anomic.xml.RSSMessage;
|
|
|
|
public class feed {
|
|
|
|
public static serverObjects respond(final httpRequestHeader header, final serverObjects post, final serverSwitch<?> env) {
|
|
final plasmaSwitchboard sb = (plasmaSwitchboard) env;
|
|
|
|
// insert default values
|
|
final serverObjects prop = new serverObjects();
|
|
prop.put("channel_title", "");
|
|
prop.put("channel_description", "");
|
|
prop.put("channel_pubDate", "");
|
|
prop.put("item", "0");
|
|
|
|
if ((post == null) || (env == null)) return prop;
|
|
final boolean authorized = sb.verifyAuthentication(header, false);
|
|
|
|
final String channelNames = post.get("set");
|
|
if (channelNames == null) return prop;
|
|
final String[] channels = channelNames.split(","); // several channel names can be given and separated by comma
|
|
|
|
int messageCount = 0;
|
|
int messageMaxCount = Math.min(post.getInt("count", 100), 1000);
|
|
|
|
RSSFeed feed;
|
|
channelIteration: for (int channelIndex = 0; channelIndex < channels.length; channelIndex++) {
|
|
// prevent that unauthorized access to this servlet get results from private data
|
|
if ((!authorized) && (RSSFeed.privateChannels.contains(channels[channelIndex]))) continue channelIteration; // allow only public channels if not authorized
|
|
|
|
// read the channel
|
|
feed = RSSFeed.channels(channels[channelIndex]);
|
|
if ((feed == null) || (feed.size() == 0)) continue channelIteration;
|
|
|
|
RSSMessage message = feed.getChannel();
|
|
if (message != null) {
|
|
prop.putHTML("channel_title", message.getTitle(), true);
|
|
prop.putHTML("channel_description", message.getDescription(), true);
|
|
prop.put("channel_pubDate", message.getPubDate());
|
|
}
|
|
while ((messageMaxCount > 0) && (feed.size() > 0)) {
|
|
message = feed.pollMessage();
|
|
if (message == null) continue;
|
|
|
|
// create RSS entry
|
|
prop.putHTML("item_" + messageCount + "_title", channels[channelIndex] + ": " + message.getTitle(), true);
|
|
prop.putHTML("item_" + messageCount + "_description", message.getDescription(), true);
|
|
prop.putHTML("item_" + messageCount + "_link", message.getLink(), true);
|
|
prop.put("item_" + messageCount + "_pubDate", message.getPubDate());
|
|
prop.put("item_" + messageCount + "_guid", message.getGuid());
|
|
messageCount++;
|
|
messageMaxCount--;
|
|
}
|
|
if (messageMaxCount == 0) break channelIteration;
|
|
}
|
|
prop.put("item", messageCount);
|
|
|
|
// return rewrite properties
|
|
return prop;
|
|
}
|
|
|
|
}
|