com.pi4j.component.ComponentBase Maven / Gradle / Ivy

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package com.pi4j.component;

/*
 * #%L
 * **********************************************************************
 * ORGANIZATION  :  Pi4J
 * PROJECT       :  Pi4J :: Device Abstractions
 * FILENAME      :  ComponentBase.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 - 2015 Pi4J
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * .
 * #L%
 */


import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

public abstract class ComponentBase implements Component {
    
    private String name = null;
    private Object tag = null;
    private final Map properties = new ConcurrentHashMap();
    
    @Override
    public void setName(String name) {
        this.name = name;
    }

    @Override
    public String getName() {
        return name;
    }
    
    @Override
    public void setTag(Object tag) {
        this.tag = tag;
    }

    @Override
    public Object getTag() {
        return tag;
    }

    @Override
    public void setProperty(String key, String value) {
        properties.put(key, value);
    }

    @Override
    public boolean hasProperty(String key) {
        return properties.containsKey(key);
    }

    @Override
    public String getProperty(String key, String defaultValue) {
        if (properties.containsKey(key)) {
            if(properties.get(key) == null || properties.get(key).isEmpty())
                return defaultValue;
            else
                return properties.get(key);
        }
        return defaultValue;
    }

    @Override
    public String getProperty(String key) {
        return getProperty(key, null);
    }

    @Override
    public Map getProperties() {
        return properties;
    }

    @Override
    public void removeProperty(String key) {
        if (properties.containsKey(key)) {
            properties.remove(key);
        }
    }

    @Override
    public void clearProperties() {
        properties.clear();
    }    
    
}