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.
90 lines
3.9 KiB
90 lines
3.9 KiB
|
|
|
|
import java.util.Date;
|
|
|
|
import net.yacy.cora.document.RSSFeed;
|
|
import net.yacy.cora.document.RSSMessage;
|
|
import net.yacy.cora.protocol.RequestHeader;
|
|
import net.yacy.peers.EventChannel;
|
|
import net.yacy.search.Switchboard;
|
|
import de.anomic.server.serverObjects;
|
|
import de.anomic.server.serverSwitch;
|
|
|
|
public class feed {
|
|
|
|
public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
|
|
final Switchboard sb = (Switchboard) 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);
|
|
|
|
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);
|
|
|
|
channelIteration: for (final String channelName: channels) {
|
|
// prevent that unauthorized access to this servlet get results from private data
|
|
|
|
final EventChannel channel = EventChannel.valueOf(channelName);
|
|
if (channel == null) continue channelIteration;
|
|
|
|
if (!authorized && EventChannel.privateChannels.contains(channel)) continue channelIteration; // allow only public channels if not authorized
|
|
|
|
if ("TEST".equals(channelName)) {
|
|
// for interface testing return at least one single result
|
|
prop.putXML("channel_title", "YaCy News Testchannel");
|
|
prop.putXML("channel_description", "");
|
|
prop.put("channel_pubDate", (new Date()).toString());
|
|
prop.putXML("item_" + messageCount + "_title", channelName + ": " + "YaCy Test Entry " + (new Date()).toString());
|
|
prop.putXML("item_" + messageCount + "_description", "abcdefg");
|
|
prop.putXML("item_" + messageCount + "_link", "http://yacy.net");
|
|
prop.put("item_" + messageCount + "_pubDate", (new Date()).toString());
|
|
prop.put("item_" + messageCount + "_guid", System.currentTimeMillis());
|
|
messageCount++;
|
|
messageMaxCount--;
|
|
continue channelIteration;
|
|
}
|
|
|
|
// read the channel
|
|
final RSSFeed feed = EventChannel.channels(channel);
|
|
if (feed == null || feed.isEmpty()) continue channelIteration;
|
|
|
|
RSSMessage message = feed.getChannel();
|
|
if (message != null) {
|
|
prop.putXML("channel_title", message.getTitle());
|
|
prop.putXML("channel_description", message.getDescription());
|
|
prop.put("channel_pubDate", message.getPubDate());
|
|
}
|
|
while (messageMaxCount > 0 && !feed.isEmpty()) {
|
|
message = feed.pollMessage();
|
|
if (message == null) continue;
|
|
|
|
// create RSS entry
|
|
prop.putXML("item_" + messageCount + "_title", channelName + ": " + message.getTitle());
|
|
prop.putXML("item_" + messageCount + "_description", message.getDescription());
|
|
prop.putXML("item_" + messageCount + "_link", message.getLink());
|
|
prop.put("item_" + messageCount + "_pubDate", message.getPubDate());
|
|
prop.putXML("item_" + messageCount + "_guid", message.getGuid());
|
|
messageCount++;
|
|
messageMaxCount--;
|
|
}
|
|
if (messageMaxCount == 0) break channelIteration;
|
|
}
|
|
prop.put("item", messageCount);
|
|
|
|
// return rewrite properties
|
|
return prop;
|
|
}
|
|
|
|
}
|