package com.pictc.utils;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.io.Serializable;

/**
 * @Description TODO(这里用一句话描述这个类的作用)
 * @author zhangfucai
 * @Date 2023年4月25日 上午12:49:14
 * @version 1.0.0
 */
public class ObjectUtils {
	
	private ObjectUtils() {
		super();
	}
	
	public static byte[] toBytes(Object obj){
		if(obj!=null) {
			if(!(obj instanceof Serializable)) {
				throw new RuntimeException(obj+"没有实现 Serializable！");
			}
			ByteArrayOutputStream out = new ByteArrayOutputStream();
			ObjectOutputStream oo=null;
			try {
				oo = new ObjectOutputStream(out);
				oo.writeObject(obj);
				oo.flush();
				return out.toByteArray();
			} catch (Exception e) {
				throw new RuntimeException("对象序列化失败！",e);
			}finally {
				closeQuietly(oo,out);
			}
		}
		return null;
	}
	
	public static void write(OutputStream out,Object obj) {
		if(obj!=null) {
			if(!(obj instanceof Serializable)) {
				throw new RuntimeException(obj+"没有实现 Serializable！");
			}
			ObjectOutputStream oo=null;
			try {
				oo = new ObjectOutputStream(out);
				oo.writeObject(obj);
				oo.flush();
			} catch (Exception e) {
				throw new RuntimeException("对象序列化失败！",e);
			}finally {
				closeQuietly(oo,out);
			}
		}
	}
	
	@SuppressWarnings("unchecked")
	public static <T>T reader(InputStream in){
		ObjectInputStream ois = null;
		try {
			ois = new ObjectInputStream(in);
			return (T) ois.readObject();
		} catch (Exception e) {
			throw new RuntimeException("对象反序列化失败！",e);
		}finally {
			closeQuietly(ois,in);
		}
	}
	
	public static <T>T reader(byte[] bytes){
		return reader(new ByteArrayInputStream(bytes));
	}
	
	public static void closeQuietly(Closeable... closeables) {
		if (closeables == null)
			return;

		for (Closeable closeable : closeables) {
			if (closeable == null)
				return;

			try {
				closeable.close();
			} catch (IOException ignored) {
			}
		}
	}

}