/**
* This file is part of Graylog.
*
* Graylog 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 3 of the License, or
* (at your option) any later version.
*
* Graylog 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 Graylog. If not, see <http://www.gnu.org/licenses/>.
*/
package org.graylog2.filters;
import org.graylog2.plugin.Message;
import org.graylog2.plugin.filters.MessageFilter;
import org.graylog2.plugin.streams.Stream;
import org.graylog2.streams.StreamRouter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.inject.Inject;
import java.util.List;
public class StreamMatcherFilter implements MessageFilter {
private static final Logger LOG = LoggerFactory.getLogger(StreamMatcherFilter.class);
private final StreamRouter streamRouter;
@Inject
public StreamMatcherFilter(StreamRouter streamRouter) {
this.streamRouter = streamRouter;
}
@Override
public boolean filter(Message msg) {
List<Stream> streams = streamRouter.route(msg);
msg.addStreams(streams);
LOG.debug("Routed message <{}> to {} streams.", msg.getId(), streams.size());
return false;
}
@Override
public String getName() {
return "StreamMatcher";
}
@Override
public int getPriority() {
// of the built-in filters this gets run last
return 40;
}
}