diff -r 000000000000 -r 373ffda63c9a src/share/jaxws_classes/com/sun/xml/internal/bind/v2/schemagen/Util.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/jaxws_classes/com/sun/xml/internal/bind/v2/schemagen/Util.java	Wed Apr 27 01:27:09 2016 +0800
@@ -0,0 +1,129 @@
+/*
+ * 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.xml.internal.bind.v2.schemagen;
+
+
+/**
+ * TODO: JAX-WS dependes on this class - consider moving it somewhere more stable, Notify JAX-WS before modifying anything...
+ *
+ * Other miscellaneous utility methods.
+ *
+ * @author
+ *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
+ */
+public final class Util {
+    private Util() {}   // no instanciation please
+
+    /**
+     * Escape any characters that would cause the single arg constructor
+     * of java.net.URI to complain about illegal chars.
+     *
+     * @param s source string to be escaped
+     */
+    public static String escapeURI(String s) {
+        StringBuilder sb = new StringBuilder();
+        for( int i = 0; i < s.length(); i++ ) {
+            char c = s.charAt(i);
+            if(Character.isSpaceChar(c)) {
+                sb.append("%20");
+            } else {
+                sb.append(c);
+            }
+        }
+        return sb.toString();
+    }
+
+    /**
+     * Calculate the parent URI path of the given URI path.
+     *
+     * @param uriPath the uriPath (as returned by java.net.URI#getPath()
+     * @return the parent URI path of the given URI path
+     */
+    public static String getParentUriPath(String uriPath) {
+        int idx = uriPath.lastIndexOf('/');
+
+        if (uriPath.endsWith("/")) {
+            uriPath = uriPath.substring(0,idx); // trim trailing slash
+            idx = uriPath.lastIndexOf('/'); // move idx to parent context
+        }
+
+        return uriPath.substring(0, idx)+"/";
+    }
+
+    /**
+     * Calculate the normalized form of the given uriPath.
+     *
+     * For example:
+     *    /a/b/c/ -> /a/b/c/
+     *    /a/b/c  -> /a/b/
+     *    /a/     -> /a/
+     *    /a      -> /
+     *
+     * @param uriPath path of a URI (as returned by java.net.URI#getPath()
+     * @return the normalized uri path
+     */
+    public static String normalizeUriPath(String uriPath) {
+        if (uriPath.endsWith("/"))
+            return uriPath;
+
+        // the uri path should always have at least a leading slash,
+        // so no need to make sure that ( idx == -1 )
+        int idx = uriPath.lastIndexOf('/');
+        return uriPath.substring(0, idx+1);
+    }
+
+    /**
+     * determine if two Strings are equal ignoring case allowing null values
+     *
+     * @param s string 1
+     * @param t string 2
+     * @return true iff the given strings are equal ignoring case, false if they aren't
+     * equal or either of them are null.
+     */
+    public static boolean equalsIgnoreCase(String s, String t) {
+        if (s == t) return true;
+        if ((s != null) && (t != null)) {
+            return s.equalsIgnoreCase(t);
+        }
+        return false;
+    }
+
+    /**
+     * determine if two Strings are iqual allowing null values
+     *
+     * @param s string 1
+     * @param t string 2
+     * @return true iff the strings are equal, false if they aren't equal or either of
+     * them are null.
+     */
+    public static boolean equal(String s, String t) {
+        if (s == t) return true;
+        if ((s != null) && (t != null)) {
+            return s.equals(t);
+        }
+        return false;
+    }
+}