EnumSerializer.java

package message.mvc.convert;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import message.base.convert.ConvertGetter;

import java.io.IOException;

/**
 * Jackson序列化枚举时，将枚举变成{value: '', name: ''}.<br/>
 * {@link CustomObjectMapper#CustomObjectMapper()}
 *
 * @author sunhao(sunhao.java@gmail.com)
 * @version V1.0, 15/6/24 下午9:31
 */
public class EnumSerializer extends JsonSerializer<ConvertGetter> {
    @Override
    public void serialize(ConvertGetter value, JsonGenerator jgen, SerializerProvider provider) throws IOException, JsonProcessingException {
        if(value instanceof Enum<?>) {
            jgen.writeStartObject();
            jgen.writeStringField("value", value.getValue());
            jgen.writeStringField("name", ((Enum) value).name());
            jgen.writeEndObject();
        }
    }
}