测试java和js通信

whyclj

2019-07-24 c9f8b9e09489e547734246140b4fd3635100fbb6

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package com.fbs9100;
 
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.util.Random;
 
public class FBS_ComBuf 
{
    FBS_Cmd m_CMD = new FBS_Cmd();
    
    public FBS_Cmd getFbsCmd()
    {
        return m_CMD;
    }
    
    public boolean putByteBuffer(final ByteBuffer bf)
    {
        if(false == m_CMD.putByteBuffer(bf))
            return false;
        
        return true;
    }
    
    public static ByteBuffer makeFbs9100CommBuf(int addr, int cmd, ByteBuffer bf)
    {
        FBS_Cmd m_CMD = new FBS_Cmd();
        ByteBuffer buffer = ByteBuffer.allocate(m_CMD.BYTE_LEN + bf.limit());
        buffer.order(ByteOrder.LITTLE_ENDIAN);
        
        m_CMD.makeCmd(addr, cmd, bf.limit());
        buffer.put(m_CMD.getByteBuffer());
        buffer.put(bf);
        buffer.flip();
        
        return buffer;
    }
 
    public static ByteBuffer makeFbs9100CommBuf(int addr, int cmd, ByteBuffer bf, boolean aes_en)
    {
        FBS_Cmd m_CMD = new FBS_Cmd();
        ByteBuffer buffer = ByteBuffer.allocate(m_CMD.BYTE_LEN + bf.limit() + 32);
        buffer.order(ByteOrder.LITTLE_ENDIAN);            //设置ByteBuffer的字节序
 
        m_CMD.makeCmd(addr, cmd, bf.limit());
        buffer.put(m_CMD.getByteBuffer());
        buffer.put(bf);
 
        if(true == aes_en) {
            Random rd = new Random();
            if(0 == (buffer.position()%Ecb_Aes.AES_BLOCK_SIZE)) {
                for(int n=0; n<(Ecb_Aes.AES_BLOCK_SIZE/4); n++) {
                    buffer.putInt(rd.nextInt());
                }
            } else {
                int cnt = Ecb_Aes.AES_BLOCK_SIZE - (buffer.position()%Ecb_Aes.AES_BLOCK_SIZE);
                for(int n=0; n<cnt; n++) {
                    buffer.put((byte) rd.nextInt());
                }
            }
        }
 
        buffer.flip();
 
        return buffer;
    }
}
/***************************************************************************************
****************************** end of file (FBS_ComBuf) ********************************
***************************************************************************************/