Method calcVerHash

src/main/java/xmpp/EntityCaps.java:87–113

()

    public static String ver = null;

    public static String calcVerHash() throws Exception {
        if (ver != null) {
            return ver;
        }
        int j = features.size();
        if (j < 1) {
            initCaps();
        }

        MessageDigest sha1 = MessageDigest.getInstance("SHA-1");

        //indentity
        StringBuffer identity = new StringBuffer();
        identity.append(BOMBUS_ID_CATEGORY).append("/").append(BOMBUS_ID_TYPE)
                .append("//").append(StaticData.getInstance().getVersionInfo().getName()).append("<");

        for (int i = 0; i < j; i++) {
            identity.append((String) features.elementAt(i));
            identity.append("<");
        }
        sha1.update(identity.toString().getBytes(), 0, identity.length());
        byte[] sha1bits = new byte[20];
        sha1.digest(sha1bits, 0, sha1bits.length);
        ver = Strconv.toBase64(sha1bits, sha1bits.length);

        return ver;
    }

    public static JabberDataBlock presenceEntityCaps() {
        try {