net.solarnetwork.central.user.support.UserMetadataSerializer Maven / Gradle / Ivy
/* ==================================================================
* UserMetadataSerializer.java - 14/11/2016 10:59:56 AM
*
* Copyright 2007-2016 SolarNetwork.net Dev Team
*
* This program 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 2 of
* the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA
* ==================================================================
*/
package net.solarnetwork.central.user.support;
import java.io.IOException;
import java.time.Instant;
import com.fasterxml.jackson.core.JsonGenerationException;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.ser.std.StdSerializer;
import net.solarnetwork.central.domain.UserMetadata;
import net.solarnetwork.codec.JsonUtils;
import net.solarnetwork.domain.datum.GeneralDatumMetadata;
/**
* JSON serializer for {@link UserMetadata}.
*
* @author matt
* @version 2.0
*/
public class UserMetadataSerializer extends StdSerializer {
private static final long serialVersionUID = -1846926348224405629L;
public UserMetadataSerializer() {
super(UserMetadata.class);
}
@Override
public void serialize(UserMetadata meta, JsonGenerator generator, SerializerProvider provider)
throws IOException, JsonGenerationException {
if ( meta == null ) {
generator.writeNull();
return;
}
generator.writeStartObject();
Long l = meta.getUserId();
if ( l != null ) {
generator.writeNumberField("userId", l);
}
Instant dt = meta.getCreated();
if ( dt != null ) {
generator.writeObjectField("created", dt);
}
dt = meta.getUpdated();
if ( dt != null ) {
generator.writeObjectField("updated", dt);
}
GeneralDatumMetadata metadata = meta.getMetadata();
if ( metadata != null ) {
JsonUtils.writeMetadata(generator, metadata);
}
generator.writeEndObject();
}
}