001package com.pi4j.io.gpio.impl;
002
003/*
004 * #%L
005 * **********************************************************************
006 * ORGANIZATION  :  Pi4J
007 * PROJECT       :  Pi4J :: Java Library (Core)
008 * FILENAME      :  PinImpl.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
030
031import java.util.EnumSet;
032
033import com.pi4j.io.gpio.Pin;
034import com.pi4j.io.gpio.PinMode;
035import com.pi4j.io.gpio.PinPullResistance;
036
037public class PinImpl implements Pin {
038
039    private final int address;
040    private final String name ;
041    private final String provider;
042    private final EnumSet<PinPullResistance> supportedPinPullResistance;
043    private final EnumSet<PinMode> supportedPinModes;
044
045    public PinImpl(String provider, int address, String name, EnumSet<PinMode> modes, EnumSet<PinPullResistance> pullResistance) {
046        this.provider = provider;
047        this.address = address;
048        this.name = name;
049        this.supportedPinModes = modes;
050        this.supportedPinPullResistance = pullResistance;
051    }
052
053    public PinImpl(String provider, int address, String name, EnumSet<PinMode> modes) {
054        this(provider, address, name, modes, null);
055    }
056    
057    @Override
058    public int getAddress() {
059        return address;
060    }
061    
062    @Override
063    public String getName() {
064        return name;
065    }
066
067    @Override
068    public String getProvider() {
069        return provider;
070    }
071    
072    @Override
073    public String toString() {
074        return name;
075    }
076
077    @Override
078    public EnumSet<PinMode> getSupportedPinModes() {
079        if (supportedPinModes == null) {
080            return EnumSet.noneOf(PinMode.class);
081        }
082        return supportedPinModes;
083    }
084
085    @Override
086    public EnumSet<PinPullResistance> getSupportedPinPullResistance() {
087        if (supportedPinPullResistance == null) {
088            return EnumSet.noneOf(PinPullResistance.class);
089        }
090        return supportedPinPullResistance;
091    }
092}