filePath = "file://" + filePath;
        }

        final StringBuilder buf = new StringBuilder(filePath.length() + 100);
        try {
            for (final char c : filePath.toCharArray()) {
                if (c == ' ') {
                    buf.append("%20");
                } else {
                    final String str = String.valueOf(c);
                    if (StringUtil.isAsciiPrintable(str)) {

        }
    }

    void consultDictionary() throws IOException {
        if (synonymMap == null) {
            return;
        }
        synonyms.clear();
        final char[] key = block.toString().toCharArray();
        for (int start = 0; start < block.length();) {
            final BytesRef matchOutput = getLongestMatchOutput(key, start);
            if (matchOutput == null) {
                start++;

        if (StringUtil.isBlank(url) || StringUtil.isBlank(enc)) {
            return url;
        }

        final StringBuilder buf = new StringBuilder(url.length() + 100);
        for (final char c : url.toCharArray()) {
            if (CharUtil.isUrlChar(c)) {
                buf.append(c);
            } else {
                try {
                    buf.append(URLEncoder.encode(String.valueOf(c), enc));

        }

        final long start = System.currentTimeMillis();
        final StringBuilder buf = new StringBuilder(searchWord.length());
        char prev = 0;
        for (final char c : searchWord.toCharArray()) {
            if (!Character.isWhitespace(c)) {
                buf.append(c);
            } else if (!Character.isWhitespace(prev)) {
                buf.append(' ');
            }
            prev = c;