Banana-Coding.com - Java Knuddels Emulator

Java-Quelltext

	public static boolean checkPattern(String aPattern, String aCode) {
		return aCode.matches(aPattern);
	}
		
	public static boolean checkID(String aID) {
		if (!checkPattern("[\\d]{10}[<]{1}[\\d]{7}[<]{1}[\\d]{7}[<]{1}[\\d]{1}", aID))
			return false;
		
		String[] subs = aID.split("<");
		int[] wgt = { 7, 3, 1 };
		int tmp = 0, com = 0, pos = 0;

		for (int a = 0; a < subs.length - 1; a++, tmp = 0) {
			for (int i = 0; i < subs[a].length() - 1; i++) {
			  	tmp += ((subs[a].charAt(i) - 48) * wgt[i % 3]) % 10;
			  	com += ((subs[a].charAt(i) - 48) * wgt[pos++ % 3]) % 10;	
			}
			 
			if (tmp % 10 != subs[a].charAt(subs[a].length() - 1) - 48)
				return false;	
				com += ((tmp % 10) * wgt[pos++ % 3]) % 10;
		}

		if (com % 10 != subs[subs.length - 1].charAt(subs[subs.length - 1].length() - 1) - 48)
			return false;
			  
		return true;
	}