1 /* 2 * Copyright (c) 2015, 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 /* 25 @test 26 @bug 8071668 27 @summary Check whether clipboard see changes from external process after taking ownership 28 @author Anton Nashatyrev: area=datatransfer 29 @library /lib/testlibrary 30 @build jdk.testlibrary.Utils 31 @run main ClipboardInterVMTest 32 */ 33 34 import jdk.testlibrary.Utils; 35 36 import java.awt.*; 37 import java.awt.datatransfer.*; 38 import java.io.BufferedReader; 39 import java.io.File; 40 import java.io.IOException; 41 import java.io.Reader; 42 import java.util.ArrayList; 43 import java.util.Arrays; 44 import java.util.List; 45 import java.util.concurrent.CountDownLatch; 46 import java.util.concurrent.TimeUnit; 47 48 public class ClipboardInterVMTest { 49 50 static CountDownLatch lostOwnershipMonitor = new CountDownLatch(1); 51 static CountDownLatch flavorChangedMonitor = new CountDownLatch(1); 52 static Process process; 53 54 public static void main(String[] args) throws Throwable { 55 Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard(); 56 57 if (args.length > 0) { 58 System.out.println("Changing clip..."); 59 clip.setContents(new StringSelection("pong"), null); 60 System.out.println("done"); 61 // keeping this process running for a while since on Mac the clipboard 62 // will be invalidated via NSApplicationDidBecomeActiveNotification 63 // callback in the main process after this child process finishes 64 Thread.sleep(60 * 1000); 65 return; 66 }; 67 68 69 clip.setContents(new CustomSelection(), new ClipboardOwner() { 70 @Override 71 public void lostOwnership(Clipboard clipboard, Transferable contents) { 72 System.out.println("ClipboardInterVMTest.lostOwnership"); 73 lostOwnershipMonitor.countDown(); 74 } 75 }); 76 77 clip.addFlavorListener(new FlavorListener() { 78 @Override 79 public void flavorsChanged(FlavorEvent e) { 80 System.out.println("ClipboardInterVMTest.flavorsChanged"); 81 flavorChangedMonitor.countDown(); 82 } 83 }); 84 85 System.out.println("Starting external clipborad modifier..."); 86 new Thread(() -> runTest(ClipboardInterVMTest.class.getCanonicalName(), "pong")).start(); 87 88 String content = ""; 89 long startTime = System.currentTimeMillis(); 90 while (System.currentTimeMillis() - startTime < 30 * 1000) { 91 Transferable c = clip.getContents(null); 92 if (c.isDataFlavorSupported(DataFlavor.plainTextFlavor)) { 93 Reader reader = DataFlavor.plainTextFlavor.getReaderForText(c); 94 content = new BufferedReader(reader).readLine(); 95 System.out.println(content); 96 if (content.equals("pong")) { 97 break; 98 } 99 } 100 Thread.sleep(200); 101 } 102 103 if (!lostOwnershipMonitor.await(10, TimeUnit.SECONDS)) { 104 throw new RuntimeException("No LostOwnership event received."); 105 }; 106 107 if (!flavorChangedMonitor.await(10, TimeUnit.SECONDS)) { 108 throw new RuntimeException("No LostOwnership event received."); 109 }; 110 111 if (!content.equals("pong")) { 112 throw new RuntimeException("Content was not passed."); 113 } 114 115 process.destroy(); 116 117 System.out.println("Passed."); 118 } 119 120 private static void runTest(String main, String... args) { 121 122 try { 123 List<String> opts = new ArrayList<>(); 124 opts.add(getJavaExe()); 125 opts.addAll(Arrays.asList(Utils.getTestJavaOpts())); 126 opts.add("-cp"); 127 opts.add(System.getProperty("test.class.path", System.getProperty("java.class.path"))); 128 129 opts.add(main); 130 opts.addAll(Arrays.asList(args)); 131 132 ProcessBuilder pb = new ProcessBuilder(opts.toArray(new String[0])); 133 process = pb.start(); 134 } catch (Throwable throwable) { 135 throw new RuntimeException(throwable); 136 } 137 } 138 139 private static String getJavaExe() throws IOException { 140 File p = new File(System.getProperty("java.home"), "bin"); 141 File j = new File(p, "java"); 142 if (!j.canRead()) { 143 j = new File(p, "java.exe"); 144 } 145 if (!j.canRead()) { 146 throw new RuntimeException("Can't find java executable in " + p); 147 } 148 return j.getCanonicalPath(); 149 } 150 151 static class CustomSelection implements Transferable { 152 private static final DataFlavor[] flavors = { DataFlavor.allHtmlFlavor }; 153 154 public DataFlavor[] getTransferDataFlavors() { 155 return flavors; 156 } 157 158 public boolean isDataFlavorSupported(DataFlavor flavor) { 159 return flavors[0].equals(flavor); 160 } 161 162 public Object getTransferData(DataFlavor flavor) 163 throws UnsupportedFlavorException, java.io.IOException { 164 if (isDataFlavorSupported(flavor)) { 165 return "ping"; 166 } else { 167 throw new UnsupportedFlavorException(flavor); 168 } 169 } 170 } 171 }