From f3e3f33e5f64bf80ab6cc9e639b0dccefb1dbf8d Mon Sep 17 00:00:00 2001
From: mcherkas <unknown>
Date: Wed, 18 May 2016 18:59:19 +0300
Subject: [PATCH] 6882559: new JEditorPane("text/plain","") fails for null
 context class loader Reviewed-by: serb, aivanov

---
 .../classes/javax/swing/JEditorPane.java      |  9 ++--
 .../swing/JEditorPane/6882559/bug6882559.java | 41 +++++++++++++++++++
 2 files changed, 44 insertions(+), 6 deletions(-)
 create mode 100644 test/javax/swing/JEditorPane/6882559/bug6882559.java

diff --git a/src/share/classes/javax/swing/JEditorPane.java b/src/share/classes/javax/swing/JEditorPane.java
index 0df118193..2abac7dc4 100644
--- a/src/share/classes/javax/swing/JEditorPane.java
+++ b/src/share/classes/javax/swing/JEditorPane.java
@@ -24,15 +24,12 @@
  */
 package javax.swing;
 
-import sun.swing.SwingUtilities2;
 
 import java.awt.*;
-import java.awt.event.*;
 import java.lang.reflect.*;
 import java.net.*;
 import java.util.*;
 import java.io.*;
-import java.util.*;
 
 import javax.swing.plaf.*;
 import javax.swing.text.*;
@@ -1187,7 +1184,7 @@ public class JEditorPane extends JTextComponent {
         if (k == null) {
             // try to dynamically load the support
             String classname = getKitTypeRegistry().get(type);
-            ClassLoader loader = getKitLoaderRegistry().get(type);
+            ClassLoader loader = getKitLoaderRegistry().get(type).orElse(null);
             try {
                 Class c;
                 if (loader != null) {
@@ -1244,7 +1241,7 @@ public class JEditorPane extends JTextComponent {
      */
     public static void registerEditorKitForContentType(String type, String classname, ClassLoader loader) {
         getKitTypeRegistry().put(type, classname);
-        getKitLoaderRegistry().put(type, loader);
+        getKitLoaderRegistry().put(type, Optional.ofNullable(loader));
         getKitRegisty().remove(type);
     }
 
@@ -1265,7 +1262,7 @@ public class JEditorPane extends JTextComponent {
         return (Hashtable)SwingUtilities.appContextGet(kitTypeRegistryKey);
     }
 
-    private static Hashtable<String, ClassLoader> getKitLoaderRegistry() {
+    private static Hashtable<String, Optional<ClassLoader>> getKitLoaderRegistry() {
         loadDefaultKitsIfNecessary();
         return (Hashtable)SwingUtilities.appContextGet(kitLoaderRegistryKey);
     }
diff --git a/test/javax/swing/JEditorPane/6882559/bug6882559.java b/test/javax/swing/JEditorPane/6882559/bug6882559.java
new file mode 100644
index 000000000..5bcd041ae
--- /dev/null
+++ b/test/javax/swing/JEditorPane/6882559/bug6882559.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2016, 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.
+ */
+
+/* @test
+   @bug 6882559
+   @summary new JEditorPane("text/plain","") fails for null context class loader
+   @author Mikhail Cherkasov
+   @run main bug6882559
+*/
+
+import javax.swing.*;
+
+
+public class bug6882559 {
+    public static void main(String[] args) throws Exception {
+        SwingUtilities.invokeAndWait(() -> {
+            Thread.currentThread().setContextClassLoader(null);
+            new javax.swing.JEditorPane("text/plain", "");
+        });
+    }
+}
-- 
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