--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/lang/System/LoggerFinder/internal/PlatformLoggerBridgeTest/LogProducerFinder.java	Wed Dec 19 11:48:34 2018 +0100
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2015, 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 java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.util.Queue;
+import java.util.ResourceBundle;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.function.Supplier;
+import java.lang.System.LoggerFinder;
+import java.lang.System.Logger;
+
+public class LogProducerFinder extends LoggerFinder {
+
+    static final RuntimePermission LOGGERFINDER_PERMISSION =
+            new RuntimePermission("loggerFinder");
+    final ConcurrentHashMap<String, PlatformLoggerBridgeTest.LoggerImpl>
+            system = new ConcurrentHashMap<>();
+    final ConcurrentHashMap<String, PlatformLoggerBridgeTest.LoggerImpl>
+            user = new ConcurrentHashMap<>();
+
+    private static PlatformLoggerBridgeTest.LoggerImpl newLoggerImpl(String name) {
+        return new PlatformLoggerBridgeTest.LoggerImpl(name);
+    }
+
+    @Override
+    public Logger getLogger(String name, Module caller) {
+        SecurityManager sm = System.getSecurityManager();
+        if (sm != null) {
+            sm.checkPermission(LOGGERFINDER_PERMISSION);
+        }
+        PrivilegedAction<ClassLoader> pa = () -> caller.getClassLoader();
+        ClassLoader callerLoader = AccessController.doPrivileged(pa);
+        if (callerLoader == null) {
+            return system.computeIfAbsent(name, (n) -> newLoggerImpl(n));
+        } else {
+            return user.computeIfAbsent(name, (n) -> newLoggerImpl(n));
+        }
+    }
+}