it.cineca.pst.huborcid.domain.util.CustomDateTimeDeserializer.java Source code

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Here is the source code for it.cineca.pst.huborcid.domain.util.CustomDateTimeDeserializer.java

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/**
 * This file is part of huborcid.
 *
 * huborcid is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * huborcid 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with huborcid.  If not, see <http://www.gnu.org/licenses/>.
 */
package it.cineca.pst.huborcid.domain.util;

import java.io.IOException;

import org.joda.time.DateTime;
import org.joda.time.format.ISODateTimeFormat;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;

/**
 * Custom Jackson deserializer for displaying Joda DateTime objects.
 */
public class CustomDateTimeDeserializer extends JsonDeserializer<DateTime> {

    @Override
    public DateTime deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
        JsonToken t = jp.getCurrentToken();
        if (t == JsonToken.VALUE_STRING) {
            String str = jp.getText().trim();
            return ISODateTimeFormat.dateTimeParser().parseDateTime(str);
        }
        if (t == JsonToken.VALUE_NUMBER_INT) {
            return new DateTime(jp.getLongValue());
        }
        throw ctxt.mappingException(handledType());
    }
}