diff -r 000000000000 -r 716af5f2ebd1 samples/messagedigest/src-new-spi/org/apidesign/spi/security/Digestor.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/samples/messagedigest/src-new-spi/org/apidesign/spi/security/Digestor.java	Sat Jun 14 09:52:23 2008 +0200
@@ -0,0 +1,40 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package org.apidesign.spi.security;
+
+import org.apidesign.impl.security.spi.DigestorAccessor;
+import java.nio.ByteBuffer;
+
+/**
+ *
+ * @author  Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+ */
+// BEGIN: day.end.bridges.Digestor
+public abstract class Digestor<Data> {
+   protected abstract byte[] digest(Data data);
+   protected abstract Data create(String algorithm); 
+   protected abstract void update(Data data, ByteBuffer input);
+   
+// END: day.end.bridges.Digestor   
+   static {
+       new DigestorAccessor() {
+            @Override
+            protected <Data> byte[] digest(Digestor<Data> dig, Data data) {
+                return dig.digest(data);
+            }
+
+            @Override
+            protected <Data> Data create(Digestor<Data> dig, String algorithm) {
+                return dig.create(algorithm);
+            }
+
+            @Override
+            protected <Data> void update(Digestor<Data> dig, Data data, ByteBuffer input) {
+                dig.update(data, input);
+            }
+        };
+   }
+}