diff -r d0013f44e9b1 -r 2e2e6f946208 emul/src/main/java/org/apidesign/bck2brwsr/emul/AnnotationImpl.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emul/src/main/java/org/apidesign/bck2brwsr/emul/AnnotationImpl.java	Wed Dec 05 10:03:58 2012 +0100
@@ -0,0 +1,68 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.apidesign.bck2brwsr.emul;
+
+import java.lang.annotation.Annotation;
+import org.apidesign.bck2brwsr.core.JavaScriptBody;
+
+/**
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+public final class AnnotationImpl implements Annotation {
+    public Class<? extends Annotation> annotationType() {
+        return getClass();
+    }
+
+    @JavaScriptBody(args = { "a", "n", "values" }, body = ""
+        + "function f(v, p) {\n"
+        + "  var val = v;\n"
+        + "  var prop = p;\n"
+        + "  return function() {\n"
+        + "    return val[prop];\n"
+        + "  };\n"
+        + "}\n"
+        + "var props = Object.getOwnPropertyNames(values);\n"
+        + "for (var i = 0; i < props.length; i++) {\n"
+        + "  var p = props[i];\n"
+        + "  a[p] = new f(values, p);\n"
+        + "}\n"
+        + "a['$instOf_' + n] = true;\n"
+        + "return a;"
+    )
+    private static <T extends Annotation> T create(AnnotationImpl a, String n, Object values) {
+        return null;
+    }
+    public static <T extends Annotation> T create(Class<T> annoClass, Object values) {
+        return create(new AnnotationImpl(), annoClass.getName().replace('.', '_'), values);
+    }
+
+    public static Annotation[] create(Object anno) {
+        String[] names = findNames(anno);
+        Annotation[] ret = new Annotation[names.length];
+        for (int i = 0; i < names.length; i++) {
+            String n = names[i].substring(1, names[i].length() - 1).replace('/', '_');
+            ret[i] = create(new AnnotationImpl(), n, findData(anno, names[i]));
+        }
+        return ret;
+    }
+    @JavaScriptBody(args = "anno", body =
+          "var arr = new Array();"
+        + "var props = Object.getOwnPropertyNames(anno);\n"
+        + "for (var i = 0; i < props.length; i++) {\n"
+        + "  var p = props[i];\n"
+        + "  arr.push(p);"
+        + "}"
+        + "return arr;"
+    )
+    private static String[] findNames(Object anno) {
+        throw new UnsupportedOperationException();
+    }
+
+    @JavaScriptBody(args={ "anno", "p"}, body="return anno[p];")
+    private static Object findData(Object anno, String p) {
+        throw new UnsupportedOperationException();
+    }
+}