--- /dev/null	2018-08-08 11:19:45.000000000 +0800
+++ new/test/jdk/com/sun/jndi/dns/FactoryTests/TxtFactory.java	2018-08-08 11:19:44.000000000 +0800
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2001, 2018, 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.
+ *
+ * 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.
+ */
+
+import javax.naming.Context;
+import javax.naming.Name;
+import javax.naming.NamingException;
+import javax.naming.directory.Attribute;
+import javax.naming.directory.Attributes;
+import javax.naming.directory.DirContext;
+import javax.naming.spi.ObjectFactory;
+import java.util.Hashtable;
+
+public class TxtFactory implements ObjectFactory {
+    @Override public Object getObjectInstance(Object obj, Name name,
+            Context nameCtx, Hashtable<?, ?> environment) {
+        System.out.println(
+                this.getClass().getName() + ".getObjectInstance(): " + name);
+
+        // alternatively, could use ctx/name pair
+
+        if (obj instanceof DirContext) {
+            DirContext thisCtx = (DirContext) obj;
+            try {
+                Attributes attrs = thisCtx.getAttributes("");
+                Attribute txt = attrs.get("TXT");
+                if (txt != null) {
+                    return new TestDnsObject(txt);
+                }
+            } catch (NamingException e) {
+                // debug
+                e.printStackTrace();
+            }
+        }
+
+        // return null to indicate other factories should be tried
+        return null;
+    }
+}