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API to access features for the mobile platforms
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/*
 * Copyright (c) 2015, Gluon
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *     * Neither the name of Gluon, any associated website, nor the
 * names of its contributors may be used to endorse or promote products
 * derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL GLUON BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.gluonhq.charm.down.common;

import java.util.logging.Level;
import java.util.logging.Logger;

/**
 * Provides the link to the native (android, ios, desktop) platform.
 * As the concrete platform implementations are in separate jar files 
 * that should not be loaded together in a VM, reflection is used to
 * instantiate the concrete implementation.
 */
public class PlatformFactory {

    public static final String ANDROID = "Android";
    public static final String DESKTOP = "Desktop";
    public static final String IOS     = "iOS";
    
    private final static String androidPlatformName
            = "com.gluonhq.charm.down.android.AndroidPlatform";
    private final static String desktopPlatformName
            = "com.gluonhq.charm.down.desktop.DesktopPlatform";
    private final static String iosPlatformName
            = "com.gluonhq.charm.down.ios.IOSPlatform";

    /**
     * Get a {@link Platform} implementation that matches the runtime platform.
     * @return the best matching Platform
     */
    public static Platform getPlatform() {
        try {
            return (Platform) Class.forName(getPlatformClassName()).newInstance();
        } catch (Throwable ex) {
            Logger.getLogger(PlatformFactory.class.getName()).log(Level.SEVERE, null, ex);
            return null;
        }

    }

    private static String getPlatformClassName() {
        
        switch (JavaFXPlatform.getCurrent()) {
            case ANDROID: return androidPlatformName;
            case IOS    : return iosPlatformName;
            default     : return desktopPlatformName;
        }
    }

}