1 files changed, 45 insertions, 0 deletions
diff --git a/src/main/java/at/gv/egiz/pdfas/impl/signator/IncrementalUpdateHelper.java b/src/main/java/at/gv/egiz/pdfas/impl/signator/IncrementalUpdateHelper.java
new file mode 100644
index 0000000..a95cdc6
--- /dev/null
+++ b/src/main/java/at/gv/egiz/pdfas/impl/signator/IncrementalUpdateHelper.java
@@ -0,0 +1,45 @@
+/**
+ * 
+ */
+package at.gv.egiz.pdfas.impl.signator;
+
+import java.util.List;
+
+import at.gv.egiz.pdfas.framework.input.PdfDataSource;
+import at.gv.egiz.pdfas.framework.output.DataSink;
+import at.gv.egiz.pdfas.impl.output.ByteArrayDataSink;
+import at.knowcenter.wag.egov.egiz.exceptions.PresentableException;
+import at.knowcenter.wag.egov.egiz.pdf.BinarySignature;
+import at.knowcenter.wag.egov.egiz.pdf.IncrementalUpdateInformation;
+import at.knowcenter.wag.egov.egiz.pdf.PositioningInstruction;
+
+import com.lowagie.text.pdf.PdfPTable;
+
+/**
+ * @author wprinz
+ */
+public final class IncrementalUpdateHelper
+{
+  public static IncrementalUpdateInformation writeIncrementalUpdate(PdfDataSource pdfDataSource, PdfPTable pdf_table, PositioningInstruction pi, List variable_field_definitions,
+      List all_field_definitions) throws PresentableException
+  {
+    // PERF: binary sig needs the signed_pdf as byte array
+    ByteArrayDataSink bads = new ByteArrayDataSink();
+    IncrementalUpdateInformation iui = BinarySignature.writeIncrementalUpdate(pdfDataSource, bads, pdf_table, pi, variable_field_definitions, all_field_definitions);
+    iui.signed_pdf = bads.getByteArray();
+    bads = null;
+
+    return iui;
+  }
+
+  public static void writeIncrementalUpdateToDataSink(PdfDataSource pdfDataSource, DataSink dataSink, PdfPTable pdf_table, PositioningInstruction pi) throws PresentableException
+  {
+    writeIncrementalUpdateToDataSink(pdfDataSource, dataSink, pdf_table, pi, null, null);
+  }
+
+  public static void writeIncrementalUpdateToDataSink(PdfDataSource pdfDataSource, DataSink dataSink, PdfPTable pdf_table, PositioningInstruction pi, List variable_field_definitions,
+      List all_field_definitions) throws PresentableException
+  {
+    BinarySignature.writeIncrementalUpdate(pdfDataSource, dataSink, pdf_table, pi, variable_field_definitions, all_field_definitions);
+  }
+}