org.graylog2.jackson.JodaTimePeriodKeyDeserializer Maven / Gradle / Ivy
/**
* 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 .
*/
package org.graylog2.jackson;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.KeyDeserializer;
import org.joda.time.format.ISOPeriodFormat;
import java.io.IOException;
public class JodaTimePeriodKeyDeserializer extends KeyDeserializer {
@Override
public Object deserializeKey(String key, DeserializationContext ctxt) throws IOException {
if (key.length() == 0) {
return null;
}
return ISOPeriodFormat.standard().parsePeriod(key);
}
}