From 44256e68fc579cb804d56d1fb5525c6c29d8c38b Mon Sep 17 00:00:00 2001
From: Andreas Abraham <andreas.abraham@egiz.gv.at>
Date: Mon, 2 Dec 2019 12:54:22 +0100
Subject: signature placeholder (pdf signature annotation) implemented

---
 .../at/asit/pdfover/signer/pdfas/PdfAs4Signer.java | 26 +++++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

(limited to 'pdf-over-signer/pdf-over-sigpdfas4/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4Signer.java')

diff --git a/pdf-over-signer/pdf-over-sigpdfas4/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4Signer.java b/pdf-over-signer/pdf-over-sigpdfas4/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4Signer.java
index abab10bf..c7dba85f 100644
--- a/pdf-over-signer/pdf-over-sigpdfas4/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4Signer.java
+++ b/pdf-over-signer/pdf-over-sigpdfas4/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4Signer.java
@@ -61,7 +61,10 @@ public class PdfAs4Signer implements Signer {
 		String sigProfile = sign_para.getPdfAsSignatureProfileId();
 		String sigEmblem = (sign_para.getEmblem() == null ? null : sign_para.getEmblem().getFileName());
 		String sigNote = sign_para.getProperty("SIG_NOTE");
-
+		String sigPos = null; 
+		if (sign_para.getSignaturePosition() != null) {
+			sigPos = sign_para.getPdfAsSignaturePosition();
+		}
 		PdfAs pdfas = PdfAs4Helper.getPdfAs();
 		Configuration config = pdfas.getConfiguration();
 		if (sigEmblem != null && !sigEmblem.trim().isEmpty()) {
@@ -76,6 +79,9 @@ public class PdfAs4Signer implements Signer {
 		ByteArrayOutputStream output = new ByteArrayOutputStream();
 		DataSource input = new ByteArrayDataSource(parameter.getInputDocument().getByteArray());
 		SignParameter param = PdfAsFactory.createSignParameter(config, input, output);
+		if (sigPos != null) {
+			param.setSignaturePosition(sigPos);
+		}
 		param.setSignatureProfileId(sigProfile);
 		String id = UUID.randomUUID().toString();
 		param.setTransactionId(id);
@@ -128,10 +134,24 @@ public class PdfAs4Signer implements Signer {
 			pdfas.sign(param);
 
 			SignResultImpl result = new SignResultImpl();
+			
+			if (param.getSignaturePosition() != null) {
+				TablePos tp = new TablePos(param.getSignaturePosition());
+				SignaturePosition sp;
+				if (tp.isXauto() && tp.isYauto())
+					sp = new SignaturePosition();
+				else if (tp.isPauto())
+					sp = new SignaturePosition(tp.getPosX(), tp.getPosY());
+				else
+					sp = new SignaturePosition(tp.getPosX(), tp.getPosY(), tp.getPage());
+				result.setSignaturePosition(sp);
+			}
+
 			result.setSignedDocument(new ByteArrayDocumentSource(sstate.getOutput().toByteArray()));
 			return result;
-		} 
-		catch (PDFASError e) {
+		} catch (PdfAsException e) {
+			throw new SignatureException(e);
+		} catch (PDFASError e) {
 			throw new SignatureException(e);
 		}
 	}
-- 
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