BinaryRedisSerializer.java

/*
 * Copyright 2011-2013 the original author or authors.
 *
 * Licensed 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 org.hibernate.redis.serializer;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

/**
 * Serializer for Redis Key or Value
 *
 * @author 배성혁 ( sunghyouk.bae@gmail.com )
 * @since 13. 4. 9 오후 10:20
 */
public class BinaryRedisSerializer<T> implements RedisSerializer<T> {

    @Override
    public byte[] serialize(T graph) {
        if (graph == null) return EMPTY_BYTES;

        try (ByteArrayOutputStream os = new ByteArrayOutputStream();
             ObjectOutputStream oos = new ObjectOutputStream(os)) {
            oos.writeObject(graph);
            oos.flush();

            return os.toByteArray();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    @SuppressWarnings("unchecked")
    public T deserialize(byte[] bytes) {
        if (SerializationTool.isEmpty(bytes))
            return null;

        try (ByteArrayInputStream is = new ByteArrayInputStream(bytes);
             ObjectInputStream ois = new ObjectInputStream(is)) {
            return (T) ois.readObject();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
}