private int lenIfIsTelephoneNumber()

in ctakes-core/src/main/java/org/apache/ctakes/core/nlp/tokenizer/TokenizerPTB.java [542:608]
56 lines of code
46 McCabe index (conditional complexity)

	private int lenIfIsTelephoneNumber(int currentPosition, String text, int nextNonTelephoneNumberChar) {
	    
	    if (nextNonTelephoneNumberChar < 0) return nextNonTelephoneNumberChar;
	    
	    int len = nextNonTelephoneNumberChar-currentPosition;
	    
	    String s = text.substring(currentPosition, nextNonTelephoneNumberChar);
	    // extension like 4-5555
	    // or without area code like 555-1212
	    // or with area code 507-555-1212
	    // or with 1, like 1-507-555-1212
	    // or like example in guidelines like 02-2348-2192
	    
	    if (len==6) {
		if (!isDigit(s.charAt(0))) return -1;
		if (s.charAt(1)!=DASH) return -1;
		if (!isDigit(s.charAt(2))) return -1;
		if (!isDigit(s.charAt(3))) return -1;
		if (!isDigit(s.charAt(4))) return -1;
		if (!isDigit(s.charAt(5))) return -1;
		return len;
	    } else if (len == 8) {
		if (!isDigit(s.charAt(0))) return -1;
		if (!isDigit(s.charAt(1))) return -1;
		if (!isDigit(s.charAt(2))) return -1;
		if (s.charAt(3)!=DASH) return -1;
		if (!isDigit(s.charAt(4))) return -1;
		if (!isDigit(s.charAt(5))) return -1;
		if (!isDigit(s.charAt(6))) return -1;
		if (!isDigit(s.charAt(7))) return -1;
		return len;
	    } else if (len == 12) { // two possible formats
		// first check  507-555-1212 format
		if (!isDigit(s.charAt(0))) return checkFormat2(s);
		if (!isDigit(s.charAt(1))) return checkFormat2(s);
		if (!isDigit(s.charAt(2))) return checkFormat2(s);
		if (s.charAt(3)!=DASH) return checkFormat2(s);
		if (!isDigit(s.charAt(4))) return checkFormat2(s);
		if (!isDigit(s.charAt(5))) return checkFormat2(s);
		if (!isDigit(s.charAt(6))) return checkFormat2(s);
		if (s.charAt(7)!=DASH) return checkFormat2(s);
		if (!isDigit(s.charAt(8))) return checkFormat2(s);
		if (!isDigit(s.charAt(9))) return checkFormat2(s);
		if (!isDigit(s.charAt(10))) return checkFormat2(s);
		if (!isDigit(s.charAt(11))) return checkFormat2(s);
		return len;
	    } else if (len == 14) { // 1-507-555-1212
		if (!isDigit(s.charAt(0))) return -1;
		if (s.charAt(1)!=DASH) return -1;
		if (!isDigit(s.charAt(2))) return -1;
		if (!isDigit(s.charAt(3))) return -1;
		if (!isDigit(s.charAt(4))) return -1;
		if (s.charAt(5)!=DASH) return -1;
		if (!isDigit(s.charAt(6))) return -1;
		if (!isDigit(s.charAt(7))) return -1;
		if (!isDigit(s.charAt(8))) return -1;
		if (s.charAt(9)!=DASH) return -1;
		if (!isDigit(s.charAt(10))) return -1;
		if (!isDigit(s.charAt(11))) return -1;
		if (!isDigit(s.charAt(12))) return -1;
		if (!isDigit(s.charAt(13))) return -1;
		return len;
	    } else {
		return -1;
	    }
	    
	}