JsonDateSerializer.java

package qa.qcri.aidr.output.utils;

import org.codehaus.jackson.JsonGenerator;
import org.codehaus.jackson.JsonProcessingException;
import org.codehaus.jackson.map.JsonSerializer;
import org.codehaus.jackson.map.SerializerProvider;

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class JsonDateSerializer extends JsonSerializer<Date> {

    private static final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

    @Override
    public void serialize(Date date, JsonGenerator jsonGenerator, SerializerProvider serializerProvider)
            throws IOException, JsonProcessingException {
        String formattedDate = null;
        if (date != null) {
            formattedDate = dateFormat.format(date);
        }
        jsonGenerator.writeString(formattedDate);
    }
}