diff -r 000000000000 -r 373ffda63c9a src/share/jaxws_classes/com/sun/tools/internal/xjc/model/CDefaultValue.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/jaxws_classes/com/sun/tools/internal/xjc/model/CDefaultValue.java	Wed Apr 27 01:27:09 2016 +0800
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 1997, 2011, 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.tools.internal.xjc.model;
+
+import com.sun.codemodel.internal.JExpression;
+import com.sun.tools.internal.xjc.outline.Outline;
+import com.sun.xml.internal.xsom.XmlString;
+
+/**
+ * Object that computes the default value expression lazily.
+ *
+ * The computation is done lazily because often the default value
+ * needs to refer to things (such as enum classes) that are only generated
+ * after some of the outline is built.
+ *
+ * @author Kohsuke Kawaguchi
+ */
+public abstract class CDefaultValue {
+    public abstract JExpression compute(Outline outline);
+
+    /**
+     * Creates a new {@link CDefaultValue} that computes the default value
+     * by applying a lexical representation to a {@link TypeUse}.
+     */
+    public static CDefaultValue create(final TypeUse typeUse, final XmlString defaultValue) {
+        return new CDefaultValue() {
+            public JExpression compute(Outline outline) {
+                return typeUse.createConstant(outline,defaultValue);
+            }
+        };
+    }
+}