001package com.pi4j.io.gpio.exception;
002
003/*
004 * #%L
005 * **********************************************************************
006 * ORGANIZATION  :  Pi4J
007 * PROJECT       :  Pi4J :: Java Library (Core)
008 * FILENAME      :  GpioPinExistsException.java  
009 * 
010 * This file is part of the Pi4J project. More information about 
011 * this project can be found here:  http://www.pi4j.com/
012 * **********************************************************************
013 * %%
014 * Copyright (C) 2012 - 2013 Pi4J
015 * %%
016 * Licensed under the Apache License, Version 2.0 (the "License");
017 * you may not use this file except in compliance with the License.
018 * You may obtain a copy of the License at
019 * 
020 *      http://www.apache.org/licenses/LICENSE-2.0
021 * 
022 * Unless required by applicable law or agreed to in writing, software
023 * distributed under the License is distributed on an "AS IS" BASIS,
024 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
025 * See the License for the specific language governing permissions and
026 * limitations under the License.
027 * #L%
028 */
029
030import com.pi4j.io.gpio.Pin;
031
032
033/**
034 * GPIO pin already exists exception.
035 *
036 * @author Robert Savage (<a
037 *         href="http://www.savagehomeautomation.com">http://www.savagehomeautomation.com</a>)
038 */
039public class GpioPinExistsException extends RuntimeException {
040
041    private static final long serialVersionUID = 1171484082578232353L;
042
043    private final Pin pin;
044
045    public GpioPinExistsException(Pin pin) {
046        super("This GPIO pin already exists: " + pin.toString());
047        this.pin = pin;
048    }
049
050    public Pin getPin() {
051        return pin;
052    }
053}