InetAddressSerializer.java

package com.alibaba.fastjson.serializer;

import java.io.IOException;
import java.lang.reflect.Type;
import java.net.InetAddress;

public class InetAddressSerializer implements ObjectSerializer {

    public static InetAddressSerializer instance = new InetAddressSerializer();

    public void write(JSONSerializer serializer, Object object, Object fieldName, Type fieldType) throws IOException {
        if (object == null) {
            serializer.writeNull();
            return;
        }

        InetAddress address = (InetAddress) object;

        serializer.write(address.getHostAddress());
    }
}