Constructor Detail

• PreflightContentStream

  public PreflightContentStream(PreflightContext _context,
                        PDPage _page)

Method Detail

• validatePageContentStream

  public void validatePageContentStream()
                                 throws ValidationException

  Process the validation of a PageContent (The page is initialized by the constructor)

  Throws:

  ValidationException

• validateXObjContentStream

  public void validateXObjContentStream(PDFormXObject form)
                                 throws ValidationException

  Process the validation of a XObject Form

  Parameters:

  form - the PDFormXObject to be validated.

  Throws:

  ValidationException

• validatePatternContentStream

  public void validatePatternContentStream(PDTilingPattern pattern)
                                    throws ValidationException

  Process the validation of a Tiling Pattern

  Parameters:

  pattern - the PDTilingPattern to be validated.

  Throws:

  ValidationException

• processOperator

  protected void processOperator(Operator operator,
                     List<COSBase> operands)
                          throws IOException

  Description copied from class: PDFStreamEngine
  This is used to handle an operation.

  Overrides:

  processOperator in class PDFStreamEngine

  Parameters:

  operator - The operation to perform.

  operands - The list of arguments.

  Throws:

  IOException - If there is an error processing the operation.

• unsupportedOperator

  protected void unsupportedOperator(Operator operator,
                         List<COSBase> arguments)

  Description copied from class: PDFStreamEngine
  Called when an unsupported operator is encountered.

  Overrides:

  unsupportedOperator in class PDFStreamEngine

  Parameters:

  operator - The unknown operator.

  arguments - The list of operands.

• checkShowTextOperators

  protected void checkShowTextOperators(Operator operator,
                            List<?> arguments)
                                 throws IOException

  Process Text Validation. Depending on the operator parameter, this will either call validateStringDefinition or validateStringArray.

  Parameters:

  operator -

  arguments -

  Throws:

  IOException

• validateText

  public void validateText(byte[] string)
                    throws IOException

  Process the validation of a Text operand contains in a ContentStream This validation checks that :

  • The font isn't missing if the Rendering Mode isn't 3
  • The font metrics are consistent
  • All character used in the text are defined in the font program.

  Parameters:

  string -

  Throws:

  IOException