/**
* This file is part of Graylog2.
*
* Graylog2 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.
*
* Graylog2 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 Graylog2. If not, see <http://www.gnu.org/licenses/>.
*/
package org.graylog2.inputs.converters;
import com.joestelmach.natty.DateGroup;
import com.joestelmach.natty.Parser;
import org.graylog2.plugin.inputs.Converter;
import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;
import java.util.List;
import java.util.Map;
import java.util.TimeZone;
public class FlexibleDateConverter extends Converter {
public FlexibleDateConverter(Map<String, Object> config) {
super(Type.FLEXDATE, config);
}
@Override
public Object convert(String value) {
if (value == null || value.isEmpty()) {
return null;
}
// Parser is using local timezone with no constructor parameter passed.
Parser parser = new Parser(TimeZone.getTimeZone("UTC"));
List<DateGroup> r = parser.parse(value);
if (r.isEmpty() || r.get(0).getDates().isEmpty()) {
return null;
}
return new DateTime(r.get(0).getDates().get(0), DateTimeZone.UTC);
}
@Override
public boolean buildsMultipleFields() {
return false;
}
}