public void getImageDimensions(String loc) {
		File fil = new File(loc);
		if (!fil.exists() || !fil.isDirectory())
			return;
		for (File f : fil.listFiles()) {
			if (isImage(f)) {
				try {
					BufferedImage img = ImageIO.read(f);
					System.out.println(f.getName() + ": " + img.getWidth()
							+ "," + img.getHeight());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		}
	}

	private boolean isImage(File f) {
		String name = f.getName().toLowerCase();
		return name.endsWith(".gif") || name.endsWith(".jpg")
				|| name.endsWith(".png");
	}