--- /dev/null	2017-02-13 23:04:34.903538264 +0300
+++ new/jaxws/src/java.xml.ws/share/classes/com/sun/xml/internal/ws/util/xml/XmlCatalogUtil.java	2017-02-14 14:26:26.596491639 +0300
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2017, 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.util.xml;
+
+import com.sun.istack.internal.Nullable;
+import com.sun.xml.internal.ws.server.ServerRtException;
+import java.io.File;
+import java.net.URI;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Enumeration;
+import javax.xml.catalog.CatalogFeatures;
+import javax.xml.catalog.CatalogFeatures.Feature;
+import javax.xml.catalog.CatalogManager;
+import javax.xml.ws.WebServiceException;
+import org.xml.sax.EntityResolver;
+
+/**
+ *
+ * @author lukas
+ */
+public class XmlCatalogUtil {
+
+    // Cache CatalogFeatures instance for future usages.
+    // Resolve feature is set to "continue" value for backward compatibility.
+    private static final CatalogFeatures CATALOG_FEATURES
+            = CatalogFeatures.builder().with(Feature.RESOLVE, "continue").build();
+
+    /**
+     * Gets an EntityResolver using XML catalog
+     *
+     * @param catalogUrl
+     * @return
+     */
+    public static EntityResolver createEntityResolver(@Nullable URL catalogUrl) {
+        ArrayList<URL> urlsArray = new ArrayList<>();
+        EntityResolver er;
+        if (catalogUrl != null) {
+            urlsArray.add(catalogUrl);
+        }
+        try {
+            er = createCatalogResolver(urlsArray);
+        } catch (Exception e) {
+            throw new ServerRtException("server.rt.err", e);
+        }
+        return er;
+    }
+
+    /**
+     * Gets a default EntityResolver for catalog at META-INF/jaxws-catalog.xml
+     *
+     * @return
+     */
+    public static EntityResolver createDefaultCatalogResolver() {
+        EntityResolver er;
+        try {
+            /**
+             * Gets a URLs for catalog defined at META-INF/jaxws-catalog.xml
+             */
+            ClassLoader cl = Thread.currentThread().getContextClassLoader();
+            Enumeration<URL> catalogEnum;
+            if (cl == null) {
+                catalogEnum = ClassLoader.getSystemResources("META-INF/jax-ws-catalog.xml");
+            } else {
+                catalogEnum = cl.getResources("META-INF/jax-ws-catalog.xml");
+            }
+            er = createCatalogResolver(Collections.list(catalogEnum));
+        } catch (Exception e) {
+            throw new WebServiceException(e);
+        }
+
+        return er;
+    }
+
+    /**
+     * Instantiate catalog resolver using new catalog API (javax.xml.catalog.*)
+     * added in JDK9. Usage of new API removes dependency on internal API
+     * (com.sun.org.apache.xml.internal) for modular runtime.
+     */
+    private static EntityResolver createCatalogResolver(ArrayList<URL> urls) throws Exception {
+        // Prepare array of catalog URIs
+        URI[] uris = urls.stream()
+                             .map(u -> URI.create(u.toExternalForm()))
+                             .toArray(URI[]::new);
+
+        //Create CatalogResolver with new JDK9+ API
+        return (EntityResolver) CatalogManager.catalogResolver(CATALOG_FEATURES, uris);
+    }
+
+}