private Object parse_substring()

in connectfeaturelauncher/src/main/java/org/osgi/framework/FrameworkUtil.java [1545:1608]

• 47 lines of code
• 11 McCabe index (conditional complexity)

			private Object parse_substring() throws InvalidSyntaxException {
				StringBuilder sb = new StringBuilder(filterChars.length - pos);

				List<String> operands = new ArrayList<String>(10);

				parseloop: while (true) {
					char c = filterChars[pos];

					switch (c) {
						case ')' : {
							if (sb.length() > 0) {
								operands.add(sb.toString());
							}

							break parseloop;
						}

						case '(' : {
							throw new InvalidSyntaxException("Invalid value: " + filterstring.substring(pos), filterstring);
						}

						case '*' : {
							if (sb.length() > 0) {
								operands.add(sb.toString());
							}

							sb.setLength(0);

							operands.add(null);
							pos++;

							break;
						}

						case '\\' : {
							pos++;
							c = filterChars[pos];
							/* fall through into default */
						}

						default : {
							sb.append(c);
							pos++;
							break;
						}
					}
				}

				int size = operands.size();

				if (size == 0) {
					return "";
				}

				if (size == 1) {
					Object single = operands.get(0);

					if (single != null) {
						return single;
					}
				}

				return operands.toArray(new String[0]);
			}