package com.hdl.sdk.link.core.utils;
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import java.nio.ByteBuffer;
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/**
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* Created by hxb on 2022/8/3.
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*
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*/
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public class ByteBufferUtils {
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/**
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* 获取ByteBuffer指定位置数据
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*
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* @param byteBuffer 源对象
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* @param length 指定长度
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* @return 根据长度生成的数组
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*/
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public static byte[] copyBytes(ByteBuffer byteBuffer, int length) {
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return copyBytes(byteBuffer,0,length);
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}
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/**
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* 复制指定位置的数据
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* @param byteBuffer
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* @param index
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* @param length
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* @return
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*/
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public static byte[] copyBytes(ByteBuffer byteBuffer, int index,int length) {
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byte[] bytes = new byte[length];
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for (int i = 0; i < bytes.length; i++) {
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bytes[i] = byteBuffer.get(index + i);
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}
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return bytes;
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}
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}
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