Method guessFilename

jnode-core/src/jnode/ftn/FtnTools.java:680–713

(String filename, boolean read)

	}

	public static File guessFilename(String filename, boolean read) {
		filename = filename.replaceAll("^[\\./\\\\]+", "_");
		File f = new File(getInbound() + File.separator + filename);
		boolean ninetoa = false;
		boolean ztonull = false;
		boolean underll = false;
		while ((read) ? !f.exists() : f.exists()) {
			if ((ninetoa && ztonull) || underll) {
				logger.l4(read ? "Files not found"
						: "Delete something to continue");
				f = null;
				break;
			} else {
				char[] array = filename.toCharArray();
				char c = array[array.length - 1];
				if ((c >= '0' && c <= '8') || (c >= 'a' && c <= 'y')) {
					c++;
				} else if (c == '9') {
					c = 'a';
					ninetoa = true;
				} else if (c == 'z') {
					c = '0';
					ztonull = true;
				} else {
					c = '_';
					underll = true;
				}
				array[array.length - 1] = c;
				filename = new String(array);
				f = new File(getInbound() + File.separator + filename);
			}
		}
		return f;
	}

	/**
	 * Проверка соответствия маски :)