/**
* This method links previous signatures to the new one. This is useful to get revision number and
* to know if a TSP is over the DSS dictionary
*/
private void linkSignatures(List<PdfSignatureOrDocTimestampInfo> signatures) {
List<PdfSignatureOrDocTimestampInfo> previousList =
new ArrayList<PdfSignatureOrDocTimestampInfo>();
for (PdfSignatureOrDocTimestampInfo sig : signatures) {
if (CollectionUtils.isNotEmpty(previousList)) {
for (PdfSignatureOrDocTimestampInfo previous : previousList) {
previous.addOuterSignature(sig);
}
}
previousList.add(sig);
}
}
