Package org.apache.pdfbox.cos

Interface ICOSVisitor

  • All Known Implementing Classes:
    COSWriter
    public interface ICOSVisitor
    An interface for visiting a PDF document at the type (COS) level.
    Author:
    Michael Traut

    • Method Detail

      • visitFromArray

        java.lang.Object visitFromArray​(COSArray obj)
                         throws java.io.IOException
        Notification of visit to Array object.
        Parameters:
        obj - The Object that is being visited.
        Returns:
        any Object depending on the visitor implementation, or null
        Throws:
        java.io.IOException - If there is an error while visiting this object.

      • visitFromBoolean

        java.lang.Object visitFromBoolean​(COSBoolean obj)
                           throws java.io.IOException
        Notification of visit to boolean object.
        Parameters:
        obj - The Object that is being visited.
        Returns:
        any Object depending on the visitor implementation, or null
        Throws:
        java.io.IOException - If there is an error while visiting this object.

      • visitFromDictionary

        java.lang.Object visitFromDictionary​(COSDictionary obj)
                              throws java.io.IOException
        Notification of visit to dictionary object.
        Parameters:
        obj - The Object that is being visited.
        Returns:
        any Object depending on the visitor implementation, or null
        Throws:
        java.io.IOException - If there is an error while visiting this object.

      • visitFromDocument

        java.lang.Object visitFromDocument​(COSDocument obj)
                            throws java.io.IOException
        Notification of visit to document object.
        Parameters:
        obj - The Object that is being visited.
        Returns:
        any Object depending on the visitor implementation, or null
        Throws:
        java.io.IOException - If there is an error while visiting this object.

      • visitFromFloat

        java.lang.Object visitFromFloat​(COSFloat obj)
                         throws java.io.IOException
        Notification of visit to float object.
        Parameters:
        obj - The Object that is being visited.
        Returns:
        any Object depending on the visitor implementation, or null
        Throws:
        java.io.IOException - If there is an error while visiting this object.

      • visitFromInt

        java.lang.Object visitFromInt​(COSInteger obj)
                       throws java.io.IOException
        Notification of visit to integer object.
        Parameters:
        obj - The Object that is being visited.
        Returns:
        any Object depending on the visitor implementation, or null
        Throws:
        java.io.IOException - If there is an error while visiting this object.

      • visitFromName

        java.lang.Object visitFromName​(COSName obj)
                        throws java.io.IOException
        Notification of visit to name object.
        Parameters:
        obj - The Object that is being visited.
        Returns:
        any Object depending on the visitor implementation, or null
        Throws:
        java.io.IOException - If there is an error while visiting this object.

      • visitFromNull

        java.lang.Object visitFromNull​(COSNull obj)
                        throws java.io.IOException
        Notification of visit to null object.
        Parameters:
        obj - The Object that is being visited.
        Returns:
        any Object depending on the visitor implementation, or null
        Throws:
        java.io.IOException - If there is an error while visiting this object.

      • visitFromStream

        java.lang.Object visitFromStream​(COSStream obj)
                          throws java.io.IOException
        Notification of visit to stream object.
        Parameters:
        obj - The Object that is being visited.
        Returns:
        any Object depending on the visitor implementation, or null
        Throws:
        java.io.IOException - If there is an error while visiting this object.

      • visitFromString

        java.lang.Object visitFromString​(COSString obj)
                          throws java.io.IOException
        Notification of visit to string object.
        Parameters:
        obj - The Object that is being visited.
        Returns:
        any Object depending on the visitor implementation, or null
        Throws:
        java.io.IOException - If there is an error while visiting this object.