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Buession Framework Core
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/*
 * 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.
 *
 * =========================================================================================================
 *
 * This software consists of voluntary contributions made by many individuals on behalf of the
 * Apache Software Foundation. For more information on the Apache Software Foundation, please see
 * .
 *
 * +-------------------------------------------------------------------------------------------------------+
 * | License: http://www.apache.org/licenses/LICENSE-2.0.txt 										       |
 * | Author: Yong.Teng  													       |
 * | Copyright @ 2013-2020 Buession.com Inc.														       |
 * +-------------------------------------------------------------------------------------------------------+
 */
package com.buession.core.serializer;

import com.buession.core.utils.Assert;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;

/**
 * @author Yong.Teng
 */
public class DefaultByteArraySerializer extends AbstractByteArraySerializer {

	private final static int BYTE_ARRAY_OUTPUT_STREAM_SIZE = 128;

	private final static Logger logger = LoggerFactory.getLogger(DefaultByteArraySerializer.class);

	@Override
	public  String serialize(final V object, final String charsetName) throws SerializerException{
		try{
			return URLEncoder.encode(baosWrite(object), charsetName);
		}catch(IOException e){
			throw new SerializerException("serializer the instance of " + object.getClass().getName() + " " + "failure"
					, e);
		}
	}

	@Override
	public  String serialize(final V object, final Charset charset) throws SerializerException{
		return serialize(object, charset.name());
	}

	@Override
	public  byte[] serializeAsBytes(final V object, final String charsetName) throws SerializerException{
		Assert.isNull(object, "Object cloud not be null.");

		if((object instanceof Serializable) == false){
			throw new SerializerException("Required a Serializable payload but received an object of type [" + object.getClass().getName() + "]");
		}

		ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(BYTE_ARRAY_OUTPUT_STREAM_SIZE);
		ObjectOutputStream objectOutputStream = null;

		try{
			objectOutputStream = new ObjectOutputStream(byteArrayOutputStream);

			objectOutputStream.writeObject(object);
			objectOutputStream.flush();
			return byteArrayOutputStream.toByteArray();
		}catch(IOException e){
			throw new SerializerException("serializer the instance of " + object.getClass().getName() + " " + "failure"
					, e);
		}finally{
			if(byteArrayOutputStream != null){
				try{
					byteArrayOutputStream.close();
				}catch(IOException e){
					logger.error("{} close error.", ByteArrayOutputStream.class.getName(), e);
				}
			}
			if(objectOutputStream != null){
				try{
					objectOutputStream.close();
				}catch(IOException e){
					logger.error("{} close error.", ObjectOutputStream.class.getName(), e);
				}
			}
		}
	}

	@Override
	public  byte[] serializeAsBytes(final V object, final Charset charset) throws SerializerException{
		return serializeAsBytes(object, charset.name());
	}

	@Override
	@SuppressWarnings("unchecked")
	public  V deserialize(final String str, final String charsetName) throws SerializerException{
		Assert.isNull(str, "String cloud not be null.");

		try{
			String s = URLDecoder.decode(str, charsetName);
			return doDeserialize(s.getBytes(StandardCharsets.ISO_8859_1), "bytes");
		}catch(UnsupportedEncodingException e){
			throw new SerializerException("deserialize the string " + str + " failure.", e);
		}
	}

	@Override
	public  V deserialize(final String str, final Charset charset) throws SerializerException{
		return deserialize(str, charset.name());
	}

	@Override
	@SuppressWarnings("unchecked")
	public  V deserialize(final byte[] bytes, final String charsetName) throws SerializerException{
		Assert.isNull(bytes, "Bytes cloud not be null.");
		return doDeserialize(bytes, "bytes");
	}

	@Override
	public  V deserialize(final byte[] bytes, final Charset charset) throws SerializerException{
		return deserialize(bytes, charset.name());
	}

	protected static  String baosWrite(final V value) throws IOException{
		Assert.isNull(value, "Object cloud not be null.");

		ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
		ObjectOutputStream objectOutputStream = null;

		try{
			objectOutputStream = new ObjectOutputStream(byteArrayOutputStream);

			objectOutputStream.writeObject(value);
			objectOutputStream.flush();

			return byteArrayOutputStream.toString(StandardCharsets.ISO_8859_1.name());
		}catch(IOException e){
			throw e;
		}finally{
			if(byteArrayOutputStream != null){
				try{
					byteArrayOutputStream.close();
				}catch(IOException e){
					logger.error("{} close error.", ObjectOutputStream.class.getName(), e);
				}
			}
			if(objectOutputStream != null){
				try{
					objectOutputStream.close();
				}catch(IOException e){
					logger.error("{} close error.", ObjectOutputStream.class.getName(), e);
				}
			}
		}
	}

	@SuppressWarnings("unchecked")
	protected final static  V doDeserialize(final byte[] bytes, final String sourceType) throws SerializerException{
		ByteArrayInputStream byteArrayInputStream = null;
		ObjectInputStream objectInputStream = null;

		try{
			byteArrayInputStream = new ByteArrayInputStream(bytes);
			objectInputStream = new ObjectInputStream(byteArrayInputStream);

			return (V) objectInputStream.readObject();
		}catch(UnsupportedEncodingException e){
			throw new SerializerException("deserialize the " + sourceType + " " + bytes + " failure.", e);
		}catch(ClassNotFoundException e){
			throw new SerializerException("deserialize the " + sourceType + " " + bytes + " failure.", e);
		}catch(IOException e){
			throw new SerializerException("deserialize the " + sourceType + " " + bytes + " failure.", e);
		}finally{
			if(byteArrayInputStream != null){
				try{
					byteArrayInputStream.close();
				}catch(IOException e){
					logger.error("{} close error.", ByteArrayOutputStream.class.getName(), e);
				}
			}
			if(objectInputStream != null){
				try{
					objectInputStream.close();
				}catch(IOException e){
					logger.error("{} close error.", ObjectInputStream.class.getName(), e);
				}
			}
		}
	}

}