1 files changed, 34 insertions, 0 deletions
diff --git a/src/main/java/at/gv/egiz/pdfas/framework/SignatureHolderHelper.java b/src/main/java/at/gv/egiz/pdfas/framework/SignatureHolderHelper.java
new file mode 100644
index 0000000..ab77092
--- /dev/null
+++ b/src/main/java/at/gv/egiz/pdfas/framework/SignatureHolderHelper.java
@@ -0,0 +1,34 @@
+package at.gv.egiz.pdfas.framework;
+
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+import at.knowcenter.wag.egov.egiz.pdf.EGIZDate;
+import at.knowcenter.wag.egov.egiz.pdf.SignatureHolder;
+
+public final class SignatureHolderHelper
+{
+
+  /**
+   * Sorts the List of SignatureHolders by date.
+   * 
+   * @param signatureHolders
+   *          The List of SignatureHolders.
+   */
+  public static void sortByDate(List signatureHolders)
+  {
+    Collections.sort(signatureHolders, new Comparator() {
+      public int compare(Object o1, Object o2)
+      {
+        SignatureHolder sh1 = (SignatureHolder) o1;
+        SignatureHolder sh2 = (SignatureHolder) o2;
+
+        EGIZDate date1 = EGIZDate.parseFromString(sh1.getSignatureObject().getSignationDate());
+        EGIZDate date2 = EGIZDate.parseFromString(sh2.getSignatureObject().getSignationDate());
+
+        return date1.compareTo(date2);
+      }
+    });
+  }
+}