package com.intelligt.modbus.jlibmodbus.msg.base;
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import com.intelligt.modbus.jlibmodbus.Modbus;
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import com.intelligt.modbus.jlibmodbus.exception.ModbusNumberException;
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import com.intelligt.modbus.jlibmodbus.net.stream.base.ModbusInputStream;
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import com.intelligt.modbus.jlibmodbus.net.stream.base.ModbusOutputStream;
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import java.io.IOException;
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/*
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* Copyright (C) 2016 "Invertor" Factory", JSC
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* [http://www.sbp-invertor.ru]
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*
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* This file is part of JLibModbus.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Authors: Vladislav Y. Kochedykov, software engineer.
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* email: vladislav.kochedykov@gmail.com
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*/
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abstract public class AbstractWriteMultipleRequest extends AbstractMultipleRequest {
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private byte[] values;
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private int byteCount;
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protected AbstractWriteMultipleRequest() {
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super();
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}
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@Override
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public void writeData(ModbusOutputStream fifo) throws IOException {
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super.writeData(fifo);
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fifo.write(getByteCount());
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fifo.write(getBytes());
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}
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@Override
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protected void readData(ModbusInputStream fifo) throws IOException, ModbusNumberException {
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super.readData(fifo);
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setByteCount(fifo.read());
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values = new byte[byteCount];
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int size;
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if ((size = fifo.read(values, 0, getByteCount())) < getByteCount())
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Modbus.log().warning(getByteCount() + " bytes expected, but " + size + " received.");
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}
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public int getByteCount() {
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return byteCount;
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}
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public void setByteCount(int byteCount) throws ModbusNumberException {
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if (byteCount > Modbus.MAX_WRITE_REGISTER_COUNT * 2) {
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//TODO add a description
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throw new ModbusNumberException("" + byteCount);
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}
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this.byteCount = byteCount;
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}
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public byte[] getBytes() {
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return values;
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}
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public void setBytes(byte[] values) throws ModbusNumberException {
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this.values = values;
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setByteCount(values.length);
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}
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@Override
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protected int dataSize() {
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return super.dataSize() + 1 + getByteCount();
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}
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}
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