package com.intelligt.modbus.jlibmodbus.net.transport;
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import com.intelligt.modbus.jlibmodbus.exception.ModbusIOException;
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import com.intelligt.modbus.jlibmodbus.exception.ModbusNumberException;
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import com.intelligt.modbus.jlibmodbus.msg.ModbusMessageFactory;
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import com.intelligt.modbus.jlibmodbus.msg.base.ModbusMessage;
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import com.intelligt.modbus.jlibmodbus.net.stream.InputStreamSerial;
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import com.intelligt.modbus.jlibmodbus.net.stream.OutputStreamSerial;
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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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class ModbusTransportSerial extends ModbusTransport {
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ModbusTransportSerial(InputStreamSerial is, OutputStreamSerial os) {
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super(is, os);
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}
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@Override
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protected ModbusMessage read(ModbusMessageFactory factory) throws ModbusIOException, ModbusNumberException {
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if (getInputStream() instanceof InputStreamSerial) {
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InputStreamSerial is = (InputStreamSerial) getInputStream();
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try {
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is.frameInit();
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ModbusMessage msg = createMessage(factory);
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is.frameCheck();
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return msg;
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} catch (IOException ioe) {
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throw new ModbusIOException(ioe);
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}
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} else {
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throw new ModbusIOException("Can't cast getInputStream() to InputStreamSerial");
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}
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}
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@Override
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protected void sendImpl(ModbusMessage msg) throws ModbusIOException {
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msg.write(getOutputStream());
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}
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}
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