1/* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/* @test 25 @bug 8158734 26 @summary JEditorPane.createEditorKitForContentType throws NPE after 6882559 27 @author Mikhail Cherkasov 28 @run main bug8158734 29*/ 30 31import javax.swing.*; 32import javax.swing.text.*; 33import java.io.*; 34import java.lang.reflect.InvocationTargetException; 35 36 37public class bug8158734 { 38 39 public static final String TYPE = "test/test"; 40 public static final String TYPE_2 = "test2/test2"; 41 42 static boolean myClassloaderWasUsed = false; 43 44 static class MyEditorKit extends EditorKit { 45 @Override 46 public String getContentType() { 47 return null; 48 } 49 50 @Override 51 public ViewFactory getViewFactory() { 52 return null; 53 } 54 55 @Override 56 public Action[] getActions() { 57 return new Action[0]; 58 } 59 60 @Override 61 public Caret createCaret() { 62 return null; 63 } 64 65 @Override 66 public Document createDefaultDocument() { 67 return null; 68 } 69 70 @Override 71 public void read(InputStream in, Document doc, int pos) throws IOException, BadLocationException { 72 } 73 74 @Override 75 public void write(OutputStream out, Document doc, int pos, int len) throws IOException, BadLocationException { 76 77 } 78 79 @Override 80 public void read(Reader in, Document doc, int pos) throws IOException, BadLocationException { 81 } 82 83 @Override 84 public void write(Writer out, Document doc, int pos, int len) throws IOException, BadLocationException { 85 } 86 } 87 88 static class MyClassloader extends ClassLoader { 89 @Override 90 public Class<?> loadClass(String name) throws ClassNotFoundException { 91 myClassloaderWasUsed = true; 92 return super.loadClass(name); 93 } 94 } 95 96 public static void main(String[] args) throws InvocationTargetException, InterruptedException { 97 SwingUtilities.invokeAndWait(new Runnable() { 98 @Override 99 public void run() { 100 JEditorPane c = new JEditorPane(); 101 c.setContentType(TYPE); 102 103 final MyClassloader loader = new MyClassloader(); 104 JEditorPane.registerEditorKitForContentType(TYPE_2, MyEditorKit.class.getName(), loader); 105 JEditorPane.registerEditorKitForContentType(TYPE_2, MyEditorKit.class.getName(), null); 106 JEditorPane.createEditorKitForContentType(TYPE_2); 107 108 if (myClassloaderWasUsed) { 109 throw new RuntimeException("Class loader has not been removed for '" + TYPE_2 + "' type"); 110 } 111 } 112 }); 113 114 } 115}