/*
* Copyright 2010 NCHOVY
*
* 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.krakenapps.logparser.syslog.juniper;
import java.util.Map;
import org.krakenapps.log.api.LogParser;
import org.krakenapps.logparser.syslog.juniper.attack.JuniperAttackLogParser;
import org.krakenapps.logparser.syslog.juniper.session.JuniperSessionLogParser;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class NetScreenLogParser implements LogParser {
private Logger logger = LoggerFactory.getLogger(this.getClass());
private JuniperSessionLogParser sessionPattern = JuniperSessionLogParser.newInstance();
private JuniperAttackLogParser attackPattern = JuniperAttackLogParser.newInstance();
@Override
public Map<String, Object> parse(Map<String, Object> params) {
Integer severity = (Integer) params.get("severity");
String line = (String) params.get("line");
// for legacy support
if (line == null)
line = (String) params.get("msg");
try {
Map<String, Object> map = sessionPattern.parse(line);
if (map == null && attackPattern != null) {
map = attackPattern.parse(line);
}
map.put("severity", severity);
map.put("facility", (Integer) params.get("facility"));
return map;
} catch (Exception e) {
logger.error("kraken syslog parser: netscreen parse error [{}]", line);
}
return null;
}
}