android get drawable int value by drawable name

gistfile1.java

	public static int getImage(String pic) {
		if (pic == null || pic.trim().equals("")) {
			return R.drawable.icon;
		}
		Class draw = R.drawable.class;
		try {
			Field field = draw.getDeclaredField(pic);
			return field.getInt(pic);
		} catch (SecurityException e) {
			return R.drawable.icon;
		} catch (NoSuchFieldException e) {
			return R.drawable.icon;
		} catch (IllegalArgumentException e) {
			return R.drawable.icon;
		} catch (IllegalAccessException e) {
			return R.drawable.icon;
		}
	}