Java Utililty Methods Swing Icon

return verBumpIcon;

if (icon == null || !(icon instanceof ImageIcon)) {
    return null;
BufferedImage image = new BufferedImage(icon.getIconWidth(), icon.getIconHeight(),
        BufferedImage.TYPE_INT_ARGB);
Graphics g = image.createGraphics();
g.drawImage(((ImageIcon) icon).getImage(), 0, 0, null);
g.dispose();
...

if (in == null) {
    throw new IllegalArgumentException("Stream must not be null");
final ByteArrayOutputStream out = new ByteArrayOutputStream();
final byte[] buffer = new byte[1024];
int read;
while ((read = in.read(buffer)) > 0) {
    out.write(buffer, 0, read);
...

JMenuItem item = new JMenuItem(name);
item.setIcon(icon);
return item;

URL imgURL = pRootClass.getResource(strPath);
if (imgURL != null)
    return new ImageIcon(imgURL);
else
    return null;

BufferedImage image = loadImage(classLoader, path);
return (image != null) ? new ImageIcon(image) : null;

if (icon == null) {
    return null;
try {
    return new ImageIcon(ImageIO.read(ClassLoader.getSystemResourceAsStream("icons/" + icon)));
} catch (IOException e) {
    e.printStackTrace();
    return null;
...

URL url = ClassLoader.getSystemResource(resourceName);
return (url == null) ? null : new ImageIcon(url);

try {
    InputStream in = loader.getResourceAsStream(list);
    if (in == null)
        return new HashMap<String, Icon>();
    Properties properties = new Properties();
    properties.load(in);
    in.close();
    int index = list.lastIndexOf('/');
...

return new ImageIcon(Thread.currentThread().getContextClassLoader().getResource("loading.gif"));