public String getThreadKey()

in mail-archive/server/src/main/java/org/apache/sling/mailarchiveserver/impl/ThreadKeyGeneratorImpl.java [47:65]


    public String getThreadKey(String subject) {
        String wordCharsSubj;
        String noReSubj;
        if (subject != null) {
            noReSubj = removeRe(subject);
            wordCharsSubj = noReSubj.replaceAll("\\W", "_");
            if (!isAddressable(wordCharsSubj)) {
                noReSubj = wordCharsSubj = UNADDRESSABLE_SUBJECT;
            }
        } else {
            noReSubj = wordCharsSubj = UNADDRESSABLE_SUBJECT;
        }

        char prefix1;
        char prefix2;
        prefix1 = assignPrefix(wordCharsSubj, LETTER_POS_WITH_BIGGEST_ENTROPY);
        prefix2 = assignPrefix(wordCharsSubj, LETTER_POS_WITH_2ND_BIGGEST_ENTROPY);
        return ""+prefix1+"/"+prefix1+prefix2+"/"+ makeJcrFriendly(noReSubj);
    }