1 files changed, 79 insertions, 0 deletions
diff --git a/src/main/java/at/gv/egiz/pdfas/impl/api/PosHelper.java b/src/main/java/at/gv/egiz/pdfas/impl/api/PosHelper.java
new file mode 100644
index 0000000..14f081f
--- /dev/null
+++ b/src/main/java/at/gv/egiz/pdfas/impl/api/PosHelper.java
@@ -0,0 +1,79 @@
+/**
+ * 
+ */
+package at.gv.egiz.pdfas.impl.api;
+
+import at.gv.egiz.pdfas.api.sign.pos.SignaturePositioning;
+import at.gv.egiz.pdfas.api.sign.pos.axis.AbsoluteAxisAlgorithm;
+import at.gv.egiz.pdfas.api.sign.pos.axis.AutoAxisAlgorithm;
+import at.gv.egiz.pdfas.api.sign.pos.axis.AxisAlgorithm;
+import at.gv.egiz.pdfas.api.sign.pos.page.AbsolutePageAlgorithm;
+import at.gv.egiz.pdfas.api.sign.pos.page.AutoPageAlgorithm;
+import at.gv.egiz.pdfas.api.sign.pos.page.NewPageAlgorithm;
+import at.gv.egiz.pdfas.api.sign.pos.page.PageAlgorithm;
+import at.knowcenter.wag.egov.egiz.PdfAS;
+import at.knowcenter.wag.egov.egiz.exceptions.PDFDocumentException;
+import at.knowcenter.wag.egov.egiz.pdf.TablePos;
+
+/**
+ * @author wprinz
+ * 
+ */
+public final class PosHelper
+{
+  /**
+   * Hidden default constructor.
+   */
+  private PosHelper()
+  {
+    // empty block
+  }
+
+  public static TablePos formTablePos(SignaturePositioning signaturePositioning) throws PDFDocumentException
+  {
+    if (signaturePositioning == null)
+    {
+      return null;
+    }
+
+    String positioningString = formPositioningString(signaturePositioning);
+    TablePos pos = PdfAS.parsePositionFromPosString(positioningString);
+
+    return pos;
+  }
+
+  protected static String formPositioningString(SignaturePositioning sp)
+  {
+    String x_algo = formAxisAlgoString(sp.getXAlgorithm());
+    String y_algo = formAxisAlgoString(sp.getYAlgorithm());
+    String w_algo = formAxisAlgoString(sp.getWidthAlgorithm());
+    String p_algo = formPageAlgoString(sp.getPageAlgorithm());
+    String positioning = "x:" + x_algo + ";y:" + y_algo + ";w:" + w_algo + ";p:" + p_algo + ";f:" + sp.getFooterLine();
+    return positioning;
+  }
+
+  protected static String formAxisAlgoString(AxisAlgorithm algorithm)
+  {
+    if (algorithm instanceof AutoAxisAlgorithm)
+    {
+      return "auto";
+    }
+    AbsoluteAxisAlgorithm aaa = (AbsoluteAxisAlgorithm) algorithm;
+    return Float.toString(aaa.getAbsoluteValue());
+  }
+
+  protected static String formPageAlgoString(PageAlgorithm algorithm)
+  {
+    if (algorithm instanceof AutoPageAlgorithm)
+    {
+      return "auto";
+    }
+    if (algorithm instanceof NewPageAlgorithm)
+    {
+      return "new";
+    }
+    AbsolutePageAlgorithm apa = (AbsolutePageAlgorithm) algorithm;
+    return Integer.toString(apa.getPage());
+  }
+
+}