package com.zy.common.HslCommunication.Core.Transfer;
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import com.zy.common.HslCommunication.Utilities;
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/**
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* 反转的字节变换类
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*/
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public class ReverseBytesTransform extends ByteTransformBase
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{
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/**
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* 从缓存中提取short结果
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* @param buffer 缓存数据
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* @param index 索引位置
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* @return short对象
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*/
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@Override
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public short TransInt16( byte[] buffer, int index ) {
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byte[] tmp = new byte[2];
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tmp[0] = buffer[1 + index];
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tmp[1] = buffer[0 + index];
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return Utilities.getShort(tmp, 0);
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}
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/**
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* 从缓存中提取int结果
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* @param buffer 缓存数据
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* @param index 索引位置
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* @return int对象
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*/
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@Override
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public int TransInt32( byte[] buffer, int index ) {
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byte[] tmp = new byte[4];
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tmp[0] = buffer[3 + index];
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tmp[1] = buffer[2 + index];
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tmp[2] = buffer[1 + index];
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tmp[3] = buffer[0 + index];
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return Utilities.getInt(ByteTransDataFormat4(tmp),0);
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}
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/**
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* 从缓存中提取long结果
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* @param buffer 缓存数据
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* @param index 索引位置
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* @return long对象
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*/
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@Override
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public long TransInt64( byte[] buffer, int index ) {
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byte[] tmp = new byte[8];
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tmp[0] = buffer[7 + index];
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tmp[1] = buffer[6 + index];
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tmp[2] = buffer[5 + index];
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tmp[3] = buffer[4 + index];
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tmp[4] = buffer[3 + index];
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tmp[5] = buffer[2 + index];
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tmp[6] = buffer[1 + index];
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tmp[7] = buffer[0 + index];
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return Utilities.getLong(ByteTransDataFormat8(tmp), 0);
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}
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/**
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* 从缓存中提取float结果
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* @param buffer 缓存对象
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* @param index 索引位置
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* @return float对象
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*/
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@Override
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public float TransSingle( byte[] buffer, int index ) {
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byte[] tmp = new byte[4];
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tmp[0] = buffer[3 + index];
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tmp[1] = buffer[2 + index];
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tmp[2] = buffer[1 + index];
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tmp[3] = buffer[0 + index];
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return Utilities.getFloat(ByteTransDataFormat4(tmp), 0);
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}
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/**
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* 从缓存中提取double结果
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* @param buffer 缓存对象
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* @param index 索引位置
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* @return double对象
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*/
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@Override
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public double TransDouble( byte[] buffer, int index ) {
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byte[] tmp = new byte[8];
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tmp[0] = buffer[7 + index];
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tmp[1] = buffer[6 + index];
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tmp[2] = buffer[5 + index];
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tmp[3] = buffer[4 + index];
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tmp[4] = buffer[3 + index];
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tmp[5] = buffer[2 + index];
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tmp[6] = buffer[1 + index];
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tmp[7] = buffer[0 + index];
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return Utilities.getDouble(ByteTransDataFormat8(tmp), 0);
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}
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/**
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* short数组变量转化缓存数据
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* @param values 等待转化的数组
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* @return buffer数据
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*/
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@Override
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public byte[] TransByte( short[] values ) {
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if (values == null) return null;
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byte[] buffer = new byte[values.length * 2];
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for (int i = 0; i < values.length; i++) {
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byte[] tmp = Utilities.getBytes(values[i]);
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Utilities.bytesReverse(tmp);
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System.arraycopy(tmp, 0, buffer, 2 * i, tmp.length);
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}
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return buffer;
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}
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/**
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* int数组变量转化缓存数据
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* @param values 等待转化的数组
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* @return buffer数据
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*/
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@Override
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public byte[] TransByte( int[] values ) {
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if (values == null) return null;
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byte[] buffer = new byte[values.length * 4];
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for (int i = 0; i < values.length; i++) {
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byte[] tmp = Utilities.getBytes(values[i]);
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Utilities.bytesReverse(tmp);
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System.arraycopy(ByteTransDataFormat4(tmp), 0, buffer, 4 * i, tmp.length);
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}
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return buffer;
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}
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/**
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* long数组变量转化缓存数据
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* @param values 等待转化的数组
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* @return buffer数据
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*/
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@Override
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public byte[] TransByte( long[] values ) {
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if (values == null) return null;
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byte[] buffer = new byte[values.length * 8];
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for (int i = 0; i < values.length; i++) {
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byte[] tmp = Utilities.getBytes(values[i]);
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Utilities.bytesReverse(tmp);
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System.arraycopy(ByteTransDataFormat8(tmp), 0, buffer, 8 * i, tmp.length);
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}
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return buffer;
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}
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/**
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* float数组变量转化缓存数据
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* @param values 等待转化的数组
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* @return buffer数据
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*/
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@Override
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public byte[] TransByte( float[] values ) {
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if (values == null) return null;
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byte[] buffer = new byte[values.length * 4];
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for (int i = 0; i < values.length; i++) {
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byte[] tmp = Utilities.getBytes(values[i]);
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Utilities.bytesReverse(tmp);
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System.arraycopy(ByteTransDataFormat4(tmp), 0, buffer, 4 * i, tmp.length);
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}
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return buffer;
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}
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/**
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* double数组变量转化缓存数据
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* @param values 等待转化的数组
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* @return buffer数据
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*/
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@Override
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public byte[] TransByte( double[] values ) {
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if (values == null) return null;
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byte[] buffer = new byte[values.length * 8];
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for (int i = 0; i < values.length; i++) {
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byte[] tmp = Utilities.getBytes(values[i]);
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Utilities.bytesReverse(tmp);
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System.arraycopy(ByteTransDataFormat8(tmp), 0, buffer, 8 * i, tmp.length);
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}
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return buffer;
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}
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}
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