private boolean sawReturn;

  /**
   * Process additional characters from the stream. When a line separator is found the contents of
   * the line and the line separator itself are passed to the abstract {@link #handleLine} method.
   *
   * @param cbuf the character buffer to process
   * @param off the offset into the buffer
   * @param len the number of characters to process
   * @throws IOException if an I/O error occurs

        assertNull(exception.getCause());
    }

    @Test
    public void test_constructor_withSpecialCharacters() {
        // Test with username containing special characters
        String username = "******@****.***";
        FessUserNotFoundException exception = new FessUserNotFoundException(username);

        assertNotNull(exception);

        }
    }

    @Test
    public void test_provide_withSpecialCharacters() {
        // Test classification names with special characters
        assertProvideThrowsException("Test@Classification");
        assertProvideThrowsException("Test#Classification");
        assertProvideThrowsException("Test$Classification");

        // Test with all special characters
        char[] plaintext = "!@#$%^&*()_+-=[]{}|;':\",./<>?`~\t\n\r".toCharArray();

        byte[] encrypted = storage.encryptCredentials(plaintext);
        char[] decrypted = storage.decryptCredentials(encrypted);

        assertArrayEquals(plaintext, decrypted, "Special characters should be preserved");

        // Clean up

  try {
    val peek = peek()
    for (i in 0 until codePointLimit) {
      if (peek.exhausted()) {
        break
      }
      val codePoint = peek.readUtf8CodePoint()
      if (Character.isISOControl(codePoint) && !Character.isWhitespace(codePoint)) {
        return false
      }
    }
    return true
  } catch (_: EOFException) {
    return false // Truncated UTF-8 sequence.
  }

MC="/usr/bin/mc --insecure --config-dir ${MC_CONFIG_DIR}"
{{- else }}
MC="/usr/bin/mc --insecure"
{{- end }}

# AccessKey and secretkey credentials file are added to prevent shell execution errors caused by special characters.
# Special characters for example : ',",<,>,{,}
MINIO_ACCESSKEY_SECRETKEY_TMP="/tmp/accessKey_and_secretKey_tmp"

# connectToMinio
# Use a check-sleep-check loop to wait for MinIO service to be available
connectToMinio() {

var errSftpCertWithoutPrincipals = errors.New("certificates without principal(s) are not accepted")

// error returned when group name contains reserved characters

 * This class represents the form data structure for installing a plugin
 * via file upload through the admin UI.
 */
public class InstallForm {

    /** Plugin identifier (required, max 400 characters) */
    @Required
    @Size(max = 400)
    public String id;

    /**
     * Default constructor.
     */
    public InstallForm() {
        // Default constructor
    }

        // Test null input
        assertEquals("null", InputValidator.sanitizeForLogging(null));

        // Test normal string without control characters
        assertEquals("test", InputValidator.sanitizeForLogging("test"));

        // Test removal of control characters (they are removed, not replaced with spaces)
        assertEquals("teststring", InputValidator.sanitizeForLogging("test\0string"));

        assertEquals(message, exception.getMessage());
    }

    @Test
    public void test_exceptionWithSpecialCharactersInMessage() {
        // Test with special characters in message
        int statusCode = 400;
        String message = "Error: \"Invalid JSON\" - {key: 'value'} \n\t@#$%^&*()";

        WebApiException exception = new WebApiException(statusCode, message);