http://wiki.fasterxml.com/JacksonModuleJoda: Add-on module for Jackson (http://jackson.codehaus.org) to support Joda (http://joda-time.sourceforge.net/) data types. (FasterXML)
  • Tatu Saloranta
  • Christopher Currie
  • Paul Brown 
package com.fasterxml.jackson.datatype.joda.ser;

import java.io.IOException;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonToken;
import com.fasterxml.jackson.core.type.WritableTypeId;

import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.jsontype.TypeSerializer;
import com.fasterxml.jackson.databind.ser.std.StdSerializer;

abstract class JodaSerializerBase<T> extends StdSerializer<T>
{
    private static final long serialVersionUID = 1L;

    protected JodaSerializerBase(Class<T> cls) { super(cls); }

    @Override
    public void serializeWithType(T value, JsonGenerator g, SerializerProvider provider,
            TypeSerializer typeSer) throws IOException
    {
        // NOTE: we do not actually know the exact shape (or, rather, it varies by settings
        // and so should not claim particular shape) -- but need to make sure NOT to report
        // as `Shape.OBJECT` or `Shape.ARRAY`
        WritableTypeId typeIdDef = typeSer.writeTypePrefix(g,
                typeSer.typeId(value, JsonToken.VALUE_STRING));
        serialize(value, g, provider);
        typeSer.writeTypeSuffix(g, typeIdDef);
    }
}