src/java/com/example/app/Platform.java

//     File: Platform.java
// Abstract: Stub implementation of a class that expresses differences between OS platforms.
//  Version: 2.1
// 
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package com.example.app;
 
/**
 * Starting point stub class which holds the key distinctions
 * between OS platforms.
 * 
 * @see Localizer
 */
public class Platform {
    final boolean isMac;
    
    public Platform(final ApplicationController app) {
        final String os = System.getProperty("os.name");
        isMac = os.startsWith("Mac OS X");
    }
    
    public boolean isMac() {
        return isMac;
    }
 
    public boolean usesFileMenuForQuit() {
        return !isMac;
    }
 
    public boolean usesEditMenuForPreferences() {
        return !isMac;
    }
 
    public boolean usesHelpMenuForAbout() {
        return !isMac;
    }
 
    public String getShortcutKey() {
        return isMac ? "meta" : "control";
    }
}