private String insertFormats()

in src/main/java/org/apache/commons/text/ExtendedMessageFormat.java [372:407]

• 34 lines of code
• 8 McCabe index (conditional complexity)

    private String insertFormats(final String pattern, final ArrayList<String> customPatterns) {
        if (!containsElements(customPatterns)) {
            return pattern;
        }
        final StringBuilder sb = new StringBuilder(pattern.length() * 2);
        final ParsePosition pos = new ParsePosition(0);
        int fe = -1;
        int depth = 0;
        while (pos.getIndex() < pattern.length()) {
            final char c = pattern.charAt(pos.getIndex());
            switch (c) {
            case QUOTE:
                appendQuotedString(pattern, pos, sb);
                break;
            case START_FE:
                depth++;
                sb.append(START_FE).append(readArgumentIndex(pattern, next(pos)));
                // do not look for custom patterns when they are embedded, e.g. in a choice
                if (depth == 1) {
                    fe++;
                    final String customPattern = customPatterns.get(fe);
                    if (customPattern != null) {
                        sb.append(START_FMT).append(customPattern);
                    }
                }
                break;
            case END_FE:
                depth--;
                //$FALL-THROUGH$
            default:
                sb.append(c);
                next(pos);
            }
        }
        return sb.toString();
    }