package com.intelligt.modbus.jlibmodbus.msg.request;
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import com.intelligt.modbus.jlibmodbus.data.DataHolder;
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import com.intelligt.modbus.jlibmodbus.exception.ModbusNumberException;
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import com.intelligt.modbus.jlibmodbus.msg.base.ModbusRequest;
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import com.intelligt.modbus.jlibmodbus.msg.base.ModbusResponse;
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import com.intelligt.modbus.jlibmodbus.msg.response.IllegalFunctionResponse;
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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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public class IllegalFunctionRequest extends ModbusRequest {
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final private int functionCode;
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public IllegalFunctionRequest(int functionCode) {
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super();
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this.functionCode = functionCode;
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}
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@Override
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protected Class getResponseClass() {
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return IllegalFunctionResponse.class;
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}
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@Override
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public void writeRequest(ModbusOutputStream fifo) throws IOException {
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throw new IOException("Can't send Illegal request");
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}
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@Override
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public int requestSize() {
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return 0;
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}
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@Override
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public ModbusResponse process(DataHolder dataHolder) throws ModbusNumberException {
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IllegalFunctionResponse response = (IllegalFunctionResponse) getResponse();
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response.setFunctionCode(getFunction());
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return response;
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}
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@Override
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protected boolean validateResponseImpl(ModbusResponse response) {
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return response.getFunction() == getFunction();
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}
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@Override
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public void readPDU(ModbusInputStream fifo) throws ModbusNumberException, IOException {
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//no op
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}
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@Override
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public int getFunction() {
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return functionCode;
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}
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}
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