JSONKryoSerializer.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.opensoc.json.serialization;

import org.json.simple.JSONObject;

import com.esotericsoftware.kryo.Kryo;
import com.esotericsoftware.kryo.io.Input;
import com.esotericsoftware.kryo.io.Output;

/**
 * @author kiran Custom Serializer to help Storm encode and decode JSONObjects
 */

public class JSONKryoSerializer extends
		com.esotericsoftware.kryo.Serializer<JSONObject> {

	// JSONKafkaSerializer object actually does the heavy lifting.
	private JSONKafkaSerializer jsonSerde = new JSONKafkaSerializer();

	@Override
	public void write(Kryo kryo, Output output, JSONObject json) {

		byte[] bytes = jsonSerde.toBytes(json);
		output.writeInt(bytes.length);
		output.write(bytes);
	}

	@Override
	public JSONObject read(Kryo kryo, Input input, Class<JSONObject> type) {

		// Get number of Entries
		int size = input.readInt();
		byte[] bytes = input.readBytes(size);

		JSONObject json = jsonSerde.fromBytes(bytes);

		return json;

	}
}