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/*
 * Copyright 2019 Fizzed, Inc.
 *
 * 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 com.fizzed.bigmap;

import java.io.*;

public class SerializableByteCodec implements ByteCodec {
    
    @Override
    public byte[] serialize(K value) {
        try (ByteArrayOutputStream bos = new ByteArrayOutputStream()) {
            ObjectOutputStream out = new ObjectOutputStream(bos);
            out.writeObject(value);
            out.flush();
            return bos.toByteArray();
        }
        catch (IOException e) {
            throw new UncheckedIOException(e);
        }
    }

    @Override
    public K deserialize(byte[] bytes) {
        if (bytes == null || bytes.length == 0) {
            return null;
        }
        try (ByteArrayInputStream bis = new ByteArrayInputStream(bytes)) {
            ObjectInputStream in = new ObjectInputStream(bis);
            return (K)in.readObject();
        }
        catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        catch (ClassNotFoundException e) {
            throw new RuntimeException(e);
        }
    }
    
}