DesktopContext.java

import java.applet.Applet;
import java.applet.AppletContext;
import java.applet.AudioClip;
import java.awt.*;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.*;
import java.util.List;
// import sun.applet.AppletAudioClip;

/**
 * An implementation of <code>AppletContext</code>, optimized for desktop apps. It's not complete though, only the methods needed by Nfm2 are implemented.
 *
 * @author DragShot
 */
class DesktopContext implements AppletContext, Runnable {
    private final List<DesktopSoundClip> clips = Collections.synchronizedList(new LinkedList<DesktopSoundClip>());
    private Thread clipper;

    /**
     * Small procedure to close the unused audio lines.
     */
    @Override
    public void run() {
        while (true) {
            clips.forEach(DesktopSoundClip::checkopen);
            try {
                Thread.sleep(100);
            } catch (InterruptedException ex) {
            }
        }
    }

    @Override
    /**
     * @inheritdoc
     */
    public AudioClip getAudioClip(URL url) {
        try {
            InputStream in = url.openStream();
            int size = in.available();
            int read;
            byte[] buffer = new byte[size];
            while (size > 0) {
                read = in.read(buffer, 0, size);
                size -= read;
            }
            in.close();
            DesktopSoundClip clip = new DesktopSoundClip(buffer);
            clips.add(clip);
            if (clipper == null) {
                clipper = new Thread(this, "Clip stopper service");
                clipper.start();
            }
            return clip;
        } catch (Exception ex) {
        }
        return new DesktopSoundClip();
        // return new AppletAudioClip(url);
    }

    @Override
    /**
     * @inheritdoc
     */
    public Image getImage(URL url) {
        return Toolkit.getDefaultToolkit().getImage(url);
    }

    @Override
    /**
     * This method is not implemented.
     */
    public Applet getApplet(String name) {
        throw new UnsupportedOperationException("Not supported.");
    }

    @Override
    /**
     * This method is not implemented.
     */
    public Enumeration<Applet> getApplets() {
        throw new UnsupportedOperationException("Not supported.");
    }

    @Override
    /**
     * @inheritdoc
     */
    public void showDocument(URL url) {
        if (Desktop.isDesktopSupported()) {
            try {
                Desktop.getDesktop().browse(url.toURI());
            } catch (Exception ex) {
            }
        }
    }

    @Override
    /**
     * @inheritdoc
     */
    public void showDocument(URL url, String target) {
        showDocument(url);
    }

    /**
     * This method is not implemented.
     */
    @Override
    public void showStatus(String status) {
        /* empty */
    }

    /**
     * This method is not implemented.
     */
    @Override
    public void setStream(String key, InputStream stream) throws IOException {
        throw new UnsupportedOperationException("Not supported.");
    }

    /**
     * This method is not implemented.
     */
    @Override
    public InputStream getStream(String key) {
        throw new UnsupportedOperationException("Not supported.");
    }

    /**
     * This method is not implemented.
     */
    @Override
    public Iterator<String> getStreamKeys() {
        throw new UnsupportedOperationException("Not supported.");
    }

}