Message81Cmd.java
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package com.bsth.socket.protocol;
import com.bsth.util.ConvertUtil;
import org.joda.time.DateTime;
import java.nio.ByteBuffer;
import java.util.*;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.function.Function;
import java.util.stream.Collectors;
/**
* @author Hill
* 参数设置
*/
public class Message81Cmd implements IMessageBody {
/**
* byte[6]
* 数据采集时间
*/
private long timestamp;
/**
* 参数总数
* n
*/
private byte paramNum;
/**
* 参数具体数据
*/
private Map<Byte, Object> params = new LinkedHashMap<>();
private static Map<Byte, Byte> sizes;
static {
AtomicInteger atomicInteger = new AtomicInteger(1);
List<Byte> byteList = Arrays.asList((byte) 2, (byte) 2, (byte) 2, (byte) 1, (byte) 0, (byte) 2, (byte) 5, (byte) 5, (byte) 1, (byte) 2, (byte) 2, (byte) 1, (byte) 1, (byte) 0, (byte) 2, (byte) 1);
sizes = byteList.stream().collect(Collectors.toMap(val -> (byte) atomicInteger.getAndIncrement(), val -> val));
}
public static void main(String[] args) {
System.out.println("aaa");
}
@Override
public void read(byte[] bytes) {
// TODO Auto-generated method stub
}
@Override
public byte[] write() {
// TODO Auto-generated method stub
int len = 0;
for (Map.Entry<Byte, Object> entry : params.entrySet()) {
Byte key = entry.getKey();
Byte size = sizes.get(entry.getKey());
if (size == 0) {
size = (Byte) params.get((byte) (key - 1));
if (size == null) {
throw new RuntimeException("参数设置中参数不符合协议规范");
}
}
len += size;
}
ByteBuffer buf = ByteBuffer.allocate(7 + paramNum + len);
buf.put(ConvertUtil.timestamp2bytes(timestamp));
buf.put(paramNum);
for (Map.Entry<Byte, Object> entry : params.entrySet()) {
generateParam(buf, entry.getKey(), entry.getValue());
}
return buf.array();
}
private void generateParam(ByteBuffer buf, Byte type, Object value) {
buf.put(type);
switch (type) {
case 0x01:
case 0x02:
case 0x03:
case 0x06:
case 0x0A:
case 0x0B:
case 0x0F:
buf.putShort((Short) value);
break;
case 0x04:
case 0x09:
case 0x0C:
case 0x0D:
case 0x10:
buf.put((Byte) value);
break;
case 0x05:
case 0x0E:
String val = (String) value;
buf.put(ConvertUtil.string2ascii(val, val.length()));
break;
case 0x07:
case 0x08:
buf.put(ConvertUtil.string2ascii((String) value, 5));
break;
default:
break;
}
}
public long getTimestamp() {
return timestamp;
}
@Override
public void setTimestamp(long timestamp) {
this.timestamp = timestamp;
}
public byte getParamNum() {
return paramNum;
}
public void setParamNum(byte paramNum) {
this.paramNum = paramNum;
}
public Map<Byte, Object> getParams() {
return params;
}
public void setParams(Map<Byte, Object> params) {
this.params = params;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(" 数据采集时间：").append(new DateTime(timestamp).toString("yyyy-MM-dd HH:mm:ss"))
.append(" 参数数量：").append(paramNum)
.append(" 参数命令IDS：").append(params.size());
return sb.toString();
}
}