if (strings.length > 1) {
                for (int i = 0; i < strings.length - 1; i++) {
                    if (buf.length() != 0) {
                        buf.append('.');
                    }
                    buf.append(strings[i]);
                }
                filePrefix = buf.toString();
                extension = strings[strings.length - 1];
            } else {

            throw new ExtractException(e);
        }
    }

    /**
     * Extracts text from file attachments in PDF annotations.
     * @param doc the PDF document
     * @param writer the writer to append extracted text to
     */
    protected void extractAnnotations(final PDDocument doc, final StringWriter writer) {
        for (final PDPage page : doc.getPages()) {
            try {

                        buf.append(alphabets[j]);
                    }
                } else if (bufList.size() < getMaxReadingNum()) {
                    final List<StringBuilder> tmpBufList = deepCopyBufList(originBufList);
                    for (final StringBuilder buf : tmpBufList) {
                        buf.append(alphabets[j]);
                    }

            }
        }

        @Override
        public void characters(final char[] ch, final int offset, final int length) {
            if (buf != null) {
                buf.append(new String(ch, offset, length));
            }
        }

        @Override
        public void endElement(final String uri, final String localName, final String qName) {
            if (URL_ELEMENT.equals(qName)) {

                        final String tmp = text.substring(offset, pos);
                        readingBuf.append(transliterator.transliterate(tmp));
                        offset = pos;
                    } else if (pos == -1) {
                        continue;
                    }

                    readingBuf.append(reading);
                    offset += term.length();
                }
            }

            for (int i = 0; i < nodeList.size(); i++) {
                final Node node = nodeList.get(i);
                buf.append(node.getTextContent()).append(' ');
            }
            return new ExtractData(buf.toString().replaceAll("\\s+", " ").trim());
        } catch (final Exception e) {
            throw new ExtractException(e);
        }
    }

        // Create a very long URL
        StringBuilder longUrl = new StringBuilder("https://example.com/");
        for (int i = 0; i < 1000; i++) {
            longUrl.append("very/long/path/segment/");
        }
        longUrl.append("file.html");

        urlFilter.addInclude("https://example.com/.*");

        // Should handle long URLs without issues
        assertTrue(urlFilter.match(longUrl.toString()));

         * and the specified path.
         *
         * @param path The path to append to the URL
         * @return The complete FTP URL
         */
        public String toUrl(final String path) {
            final StringBuilder buf = new StringBuilder(100);
            buf.append("ftp://");
            buf.append(getHost());
            final int port = getPort();
            if (port != DEFAULT_FTP_PORT) {

    /**
     * Test name with very long string
     */
    public void test_name_veryLongString() {
        StringBuilder longName = new StringBuilder();
        for (int i = 0; i < 10000; i++) {
            longName.append("verylongname");
        }
        String longNameStr = longName.toString();

        testTransformer.setName(longNameStr);
        assertEquals(longNameStr, testTransformer.getName());

            String line;
            while ((line = br.readLine()) != null) {
                mappingSource.append(line);
            }
        }
        return mappingSource.toString();
    }

    private String getDefaultIndexSettings() throws IOException {
        final StringBuilder settingsSource = new StringBuilder();