boolean parse()

in core/container/src/main/java/org/wildfly/swarm/cli/Option.java [277:330]
44 lines of code
20 McCabe index (conditional complexity)

    boolean parse(ParseState state, CommandLine commandLine) throws Exception {
        String cur = state.la();

        if (cur == null) {
            return false;
        }

        String value = null;

        String matchedArg = null;

        if (this.shortArg != null && cur.startsWith(HYPHEN + this.shortArg)) {
            matchedArg = HYPHEN + this.shortArg;
            if (hasValue() && cur.length() >= 3) {
                if (cur.charAt(2) == '=') {
                    value = cur.substring(3);
                } else {
                    value = cur.substring(2);
                }
            }
        } else if (this.longArg != null && cur.startsWith(DOUBLE_HYPHEN + this.longArg)) {
            matchedArg = DOUBLE_HYPHEN + this.longArg;
            if (hasValue() && cur.length() >= this.longArg.length() + 3) {
                if (cur.charAt(this.longArg.length() + 2) == '=') {
                    value = cur.substring(this.longArg.length() + 3);
                } else {
                    value = cur.substring(this.longArg.length() + 2);
                }
            }
        } else {
            return false;
        }

        state.consume();

        if (value != null && value.trim().isEmpty()) {
            value = null;
        }

        if (hasValue() && value == null && !this.valueMayBeSeparate) {
            throw SwarmMessages.MESSAGES.argumentRequired(matchedArg);
        }

        if (hasValue() && value == null) {
            if (state.la() == null) {
                throw SwarmMessages.MESSAGES.argumentRequired(matchedArg);
            }
            value = state.consume();
        }

        this.action.set(commandLine, this, value);

        return true;
    }