package de.ph87.tools.common.uuid; import com.fasterxml.jackson.core.JsonGenerator; import com.fasterxml.jackson.databind.JsonSerializer; import com.fasterxml.jackson.databind.SerializerProvider; import java.io.IOException; public class UuidSerializer extends JsonSerializer { @Override public void serialize(final AbstractUuid t, final JsonGenerator jsonGenerator, final SerializerProvider serializerProvider) throws IOException { if (t == null) { jsonGenerator.writeNull(); } else { jsonGenerator.writeString(t.uuid); } } }