| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.plc4x.java.modbus.base.field; |
| |
| import org.apache.plc4x.java.api.exceptions.PlcInvalidFieldException; |
| import org.apache.plc4x.java.modbus.readwrite.ModbusDataType; |
| |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| public class ModbusFieldCoil extends ModbusFieldBase { |
| |
| public static final Pattern ADDRESS_PATTERN = Pattern.compile("coil:" + ModbusFieldBase.ADDRESS_PATTERN); |
| public static final Pattern ADDRESS_SHORTER_PATTERN = Pattern.compile("0" + ModbusFieldBase.FIXED_DIGIT_MODBUS_PATTERN); |
| public static final Pattern ADDRESS_SHORT_PATTERN = Pattern.compile("0x" + ModbusFieldBase.FIXED_DIGIT_MODBUS_PATTERN); |
| |
| protected static final int REGISTER_MAXADDRESS = 65535; |
| |
| public ModbusFieldCoil(int address, Integer quantity, ModbusDataType dataType) { |
| super(address, quantity, dataType); |
| } |
| |
| public static boolean matches(String addressString) { |
| return ADDRESS_PATTERN.matcher(addressString).matches() || |
| ADDRESS_SHORTER_PATTERN.matcher(addressString).matches() || |
| ADDRESS_SHORT_PATTERN.matcher(addressString).matches(); |
| } |
| |
| public static Matcher getMatcher(String addressString) { |
| Matcher matcher = ADDRESS_PATTERN.matcher(addressString); |
| if (matcher.matches()) { |
| return matcher; |
| } |
| matcher = ADDRESS_SHORT_PATTERN.matcher(addressString); |
| if (matcher.matches()) { |
| return matcher; |
| } |
| matcher = ADDRESS_SHORTER_PATTERN.matcher(addressString); |
| if (matcher.matches()) { |
| return matcher; |
| } else { |
| throw new PlcInvalidFieldException(addressString, ADDRESS_PATTERN); |
| } |
| } |
| |
| public static ModbusFieldCoil of(String addressString) { |
| Matcher matcher = getMatcher(addressString); |
| int address = Integer.parseInt(matcher.group("address")) - PROTOCOL_ADDRESS_OFFSET; |
| if (address > REGISTER_MAXADDRESS) { |
| throw new IllegalArgumentException("Address must be less than or equal to " + REGISTER_MAXADDRESS + ". Was " + (address + PROTOCOL_ADDRESS_OFFSET)); |
| } |
| |
| String quantityString = matcher.group("quantity"); |
| int quantity = quantityString != null ? Integer.parseInt(quantityString) : 1; |
| if ((address + quantity) > REGISTER_MAXADDRESS) { |
| throw new IllegalArgumentException("Last requested address is out of range, should be between " + PROTOCOL_ADDRESS_OFFSET + " and " + REGISTER_MAXADDRESS + ". Was " + (address + PROTOCOL_ADDRESS_OFFSET + (quantity - 1))); |
| } |
| |
| ModbusDataType dataType = (matcher.group("datatype") != null) ? ModbusDataType.valueOf(matcher.group("datatype")) : ModbusDataType.BOOL; |
| |
| return new ModbusFieldCoil(address, quantity, dataType); |
| } |
| |
| } |