ControllerEnvironment.java

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package com.neuronrobotics.sdk.addons.gamepad;
import java.io.File;
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import java.util.ArrayList;
import java.util.Iterator;
import java.util.logging.Logger;
 
import org.apache.commons.lang3.SystemUtils;
 
import net.java.games.input.Controller;
import net.java.games.input.ControllerEvent;
import net.java.games.input.ControllerListener;
import us.ihmc.jinput.JInputLibraryLoader;
import us.ihmc.tools.nativelibraries.NativeLibraryLoader;
 
public abstract class ControllerEnvironment {
   static {
      JInputLibraryLoader.loadLibraries();
      
        libfix();
    
   }
 
    protected static void libfix() {
        String absolutePathToDirectory = "";
        if (SystemUtils.IS_OS_WINDOWS) {
            absolutePathToDirectory = NativeLibraryLoader.extractLibraries("", "jinput-raw", "jinput-raw_64",
                    "jinput-dx8_64", "jinput-dx8", "jinput-wintab");
        } else if (SystemUtils.IS_OS_LINUX) {
            absolutePathToDirectory = NativeLibraryLoader.extractLibraries("", "jinput-linux64", "jinput-linux");
        } else if (SystemUtils.IS_OS_MAC) {
            absolutePathToDirectory = new File(NativeLibraryLoader.extractLibraryAbsolute("", "libjinput-osx.jnilib"))
                    .getParent();
        }
        File test = new File(absolutePathToDirectory);
        if (!test.isDirectory())
            absolutePathToDirectory = test.getParentFile().getAbsolutePath();
        // System.out.println("Setting net.java.games.input.librarypath :
        // "+absolutePathToDirectory);
        System.setProperty("net.java.games.input.librarypath", absolutePathToDirectory);
    }
 
    static void logln(String msg) {
        log(msg + "\n");
    }
 
    static void log(String msg) {
        Logger.getLogger(ControllerEnvironment.class.getName()).info(msg);
    }
 
    private static ControllerEnvironment defaultEnvironment =
        new DefaultControllerEnvironment();
    
    protected final ArrayList controllerListeners = new ArrayList();
    
    protected ControllerEnvironment() {
    }
    
    public abstract Controller[] getControllers();
    
    public void addControllerListener(ControllerListener l) {
        assert l != null;
        controllerListeners.add(l);
    }
    
    public abstract boolean isSupported();
    
    public void removeControllerListener(ControllerListener l) {
        assert l != null;
        controllerListeners.remove(l);
    }
    
    protected void fireControllerAdded(Controller c) {
        ControllerEvent ev = new ControllerEvent(c);
        Iterator it = controllerListeners.iterator();
        while (it.hasNext()) {
            ((ControllerListener)it.next()).controllerAdded(ev);
        }
    }
    
    protected void fireControllerRemoved(Controller c) {
        ControllerEvent ev = new ControllerEvent(c);
        Iterator it = controllerListeners.iterator();
        while (it.hasNext()) {
            ((ControllerListener)it.next()).controllerRemoved(ev);
        }
    }
    
    public static ControllerEnvironment getDefaultEnvironment() {
        return defaultEnvironment;
    }
} // ControllerEnvironment