package org.springblade.mdm.utils;
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import java.io.*;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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public class CustomBinaryWriter {
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static final byte[] MAGIC_NUMBER = {'M', 'D', 'M', '1'};
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static final short VERSION = 1;
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/**
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* 将输入流中的内容写入输出流
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* @param outputStream
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* @param ins
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* @throws IOException
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*/
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public static void write(OutputStream outputStream, InputStream ins) throws IOException {
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byte[] buffer = new byte[1024];
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try (DataOutputStream out = new DataOutputStream(outputStream)) {
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// 写入文件头
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out.write(MAGIC_NUMBER);
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out.writeShort(VERSION);
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while(ins.read(buffer) != -1) {
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out.write(buffer);
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}
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}
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}
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}
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