Package com.pdf_tools.fourheights.pdftoolbox.pdf.forms

Class SignedSignatureField

  • Direct Known Subclasses:
    DocumentTimeStamp, Signature
    public class SignedSignatureField
extends SignatureField

    A base class for signature fields that have been signed

    The existence of a signed signature field does not imply, that the signature is valid, the signature is actually not validated at all.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.time.OffsetDateTime getDate()
      The date and time of signing (Getter)
      java.lang.String getName()
      The name of the person or authority that signed the document (Getter)

      • Methods inherited from class java.lang.Object

        getClass, notify, notifyAll, toString, wait, wait, wait

    • Method Detail

      • getName

        public java.lang.String getName()

        The name of the person or authority that signed the document (Getter)

        This is the name of the signing certificate.

        Note: The name of the signing certificate can only be extracted for signatures conforming to the PAdES or PDF standard and not for proprietary/non-standard signature formats. For non-standard signature formats the name as stored in the PDF is returned.

        Throws:
        java.lang.IllegalStateException - if the object has already been closed

      • getDate

        public java.time.OffsetDateTime getDate()

        The date and time of signing (Getter)

        This represents the date and time of signing as specified in the signature. For signatures that contain a time-stamp, the trusted time-stamp time is returned.

        Note: The value can only be extracted for signatures conforming to the PAdES or PDF standard and not for proprietary/non-standard signature formats. For non-standard signature formats the date as stored in the PDF is returned.

        Throws:
        java.lang.IllegalStateException - if the object has already been closed