package com.intelligt.modbus.jlibmodbus.msg.response;
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import com.intelligt.modbus.jlibmodbus.exception.ModbusNumberException;
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import com.intelligt.modbus.jlibmodbus.msg.base.ModbusResponse;
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import com.intelligt.modbus.jlibmodbus.msg.base.mei.MEIFactory;
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import com.intelligt.modbus.jlibmodbus.msg.base.mei.ModbusEncapsulatedInterface;
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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 com.intelligt.modbus.jlibmodbus.utils.MEITypeCode;
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import com.intelligt.modbus.jlibmodbus.utils.ModbusFunctionCode;
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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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public class EncapsulatedInterfaceTransportResponse extends ModbusResponse {
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private ModbusEncapsulatedInterface mei = null;
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public EncapsulatedInterfaceTransportResponse() {
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super();
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}
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@Override
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protected void readResponse(ModbusInputStream fifo) throws IOException, ModbusNumberException {
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int meiTypeCode = fifo.read();
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setMei(MEIFactory.getMEI(MEITypeCode.get(meiTypeCode)));
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if (getMei() == null)
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throw new ModbusNumberException("Unknown MEI type", meiTypeCode);
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getMei().readResponse(fifo);
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}
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@Override
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protected void writeResponse(ModbusOutputStream fifo) throws IOException {
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fifo.write(getMei().getTypeCode().toInt());
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getMei().writeResponse(fifo);
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}
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public ModbusEncapsulatedInterface getMei() {
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return mei;
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}
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public void setMei(ModbusEncapsulatedInterface mei) {
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this.mei = mei;
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}
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@Override
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protected int responseSize() {
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return 1 + (mei == null ? 0 : mei.getResponseSize());
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}
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public int getFunction() {
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return ModbusFunctionCode.ENCAPSULATED_INTERFACE_TRANSPORT.toInt();
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}
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}
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