diff -r 88b85470e72c -r f50545b5e2f1 src/share/jaxws_classes/com/sun/xml/internal/ws/server/sei/ValueGetter.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/jaxws_classes/com/sun/xml/internal/ws/server/sei/ValueGetter.java	Tue Mar 06 16:09:35 2012 -0800
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package com.sun.xml.internal.ws.server.sei;
+
+import com.sun.xml.internal.ws.model.ParameterImpl;
+import com.sun.xml.internal.ws.api.model.Parameter;
+
+import javax.jws.WebParam.Mode;
+import javax.xml.ws.Holder;
+
+/**
+ * Gets a value from an object that represents a parameter passed
+ * as a method argument.
+ *
+ * <p>
+ * This abstraction hides the handling of {@link Holder}.
+ *
+ * <p>
+ * {@link ValueGetter} is a stateless behavior encapsulation.
+ *
+ * @author Kohsuke Kawaguchi
+ */
+public enum ValueGetter {
+    /**
+     * {@link ValueGetter} that works for {@link Mode#IN}  parameter.
+     *
+     * <p>
+     * Since it's the IN mode, the parameter is not a {@link Holder},
+     * therefore the parameter itself is a value.
+     */
+    PLAIN() {
+        public Object get(Object parameter) {
+            return parameter;
+        }
+    },
+    /**
+     * Creates {@link ValueGetter} that works for {@link Holder},
+     * which is  {@link Mode#INOUT} or  {@link Mode#OUT}.
+     *
+     * <p>
+     * In those {@link Mode}s, the parameter is a {@link Holder},
+     * so the value to be sent is obtained by getting the value of the holder.
+     */
+    HOLDER() {
+        public Object get(Object parameter) {
+            if(parameter==null)
+                // the user is allowed to pass in null where a Holder is expected.
+                return null;
+            return ((Holder)parameter).value;
+        }
+    };
+
+    /**
+     * Gets the value to be sent, from a parameter given as a method argument.
+     */
+    public abstract Object get(Object parameter);
+
+    /**
+     * Returns a {@link ValueGetter} suitable for the given {@link Parameter}.
+     */
+    public static ValueGetter get(ParameterImpl p) {
+        // return value is always PLAIN
+        if(p.getMode() == Mode.IN || p.getIndex() == -1) {
+            return PLAIN;
+        } else {
+            return HOLDER;
+        }
+    }
+}