PinImpl.java

package com.pi4j.io.gpio.impl;

/*
 * #%L
 * **********************************************************************
 * ORGANIZATION  :  Pi4J
 * PROJECT       :  Pi4J :: Java Library (Core)
 * FILENAME      :  PinImpl.java  
 * 
 * This file is part of the Pi4J project. More information about 
 * this project can be found here:  http://www.pi4j.com/
 * **********************************************************************
 * %%
 * Copyright (C) 2012 - 2013 Pi4J
 * %%
 * Licensed 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.
 * #L%
 */


import java.util.EnumSet;

import com.pi4j.io.gpio.Pin;
import com.pi4j.io.gpio.PinMode;
import com.pi4j.io.gpio.PinPullResistance;

public class PinImpl implements Pin {

    private final int address;
    private final String name ;
    private final String provider;
    private final EnumSet<PinPullResistance> supportedPinPullResistance;
    private final EnumSet<PinMode> supportedPinModes;

    public PinImpl(String provider, int address, String name, EnumSet<PinMode> modes, EnumSet<PinPullResistance> pullResistance) {
        this.provider = provider;
        this.address = address;
        this.name = name;
        this.supportedPinModes = modes;
        this.supportedPinPullResistance = pullResistance;
    }

    public PinImpl(String provider, int address, String name, EnumSet<PinMode> modes) {
        this(provider, address, name, modes, null);
    }
    
    @Override
    public int getAddress() {
        return address;
    }
    
    @Override
    public String getName() {
        return name;
    }

    @Override
    public String getProvider() {
        return provider;
    }
    
    @Override
    public String toString() {
        return name;
    }

    @Override
    public EnumSet<PinMode> getSupportedPinModes() {
        if (supportedPinModes == null) {
            return EnumSet.noneOf(PinMode.class);
        }
        return supportedPinModes;
    }

    @Override
    public EnumSet<PinPullResistance> getSupportedPinPullResistance() {
        if (supportedPinPullResistance == null) {
            return EnumSet.noneOf(PinPullResistance.class);
        }
        return supportedPinPullResistance;
    }
}