Method compressScope

core/src/main/java/io/questdb/log/LogFactory.java:428–454

Converts fully qualified class name into an abbreviated form: com.questdb.mp.Sequence -> c.n.m.Sequence @param key typically class name @param builder used for producing the resulting form @return abbreviated form of key

(CharSequence key, StringSink builder)

     * @return abbreviated form of key
     */
    private static CharSequence compressScope(CharSequence key, StringSink builder) {
        builder.clear();
        char c = 0;
        boolean pick = true;
        int z = 0;
        for (int i = 0, n = key.length(); i < n; i++) {
            char a = key.charAt(i);
            if (a == '.') {
                if (!pick) {
                    builder.put(c).put('.');
                    pick = true;
                }
            } else if (pick) {
                c = a;
                z = i;
                pick = false;
            }
        }

        for (; z < key.length(); z++) {
            builder.put(key.charAt(z));
        }

        builder.put(' ');

        return builder.toString();
    }

    @SuppressWarnings("rawtypes")
    private static LogWriterConfig createWriter(final Properties properties, String writerName) {