public static int[] extractIntegers(String buffer) {
		if (buffer != null && buffer.length() > 0) {
			String[] buffers = buffer.split(COMMA);
			int[] values = new int[buffers.length];

			for (int i = 0; i < buffers.length; i++) {
				try {
					values[i] = Integer.parseInt(buffers[i].trim());
				} catch (Exception exception) {
					values[i] = 0;
				}
			}
			return values;
		}
		return new int[0];
	}