J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /* |
| 25 | * @test |
| 26 | * @bug 4682386 |
| 27 | * @summary Tests for PropertyChangeSupport refactoring |
| 28 | * @author Mark Davidson |
| 29 | */ |
| 30 | |
| 31 | import java.beans.Beans; |
| 32 | import java.beans.IntrospectionException; |
| 33 | import java.beans.Introspector; |
| 34 | import java.beans.PropertyChangeEvent; |
| 35 | import java.beans.PropertyChangeListener; |
| 36 | import java.beans.PropertyChangeSupport; |
| 37 | import java.beans.PropertyDescriptor; |
| 38 | |
| 39 | import java.lang.reflect.Method; |
| 40 | |
| 41 | import javax.swing.JApplet; |
| 42 | import javax.swing.JButton; |
| 43 | import javax.swing.JCheckBox; |
| 44 | import javax.swing.JComboBox; |
| 45 | import javax.swing.JComponent; |
| 46 | import javax.swing.JLabel; |
| 47 | import javax.swing.JList; |
| 48 | import javax.swing.JMenuItem; |
| 49 | import javax.swing.JProgressBar; |
| 50 | import javax.swing.JTextArea; |
| 51 | import javax.swing.JTextPane; |
| 52 | import javax.swing.JTextField; |
| 53 | import javax.swing.JToolBar; |
| 54 | import javax.swing.JTabbedPane; |
| 55 | import javax.swing.JTree; |
| 56 | import javax.swing.JTable; |
| 57 | |
| 58 | /** |
| 59 | * This class tests the multi-threaded access to PropertyChangeSupport and |
| 60 | * will also use reflection to test propertyChanges on Swing components. |
| 61 | * <p/> |
| 62 | * There is no new functionality from the implementation of this RFE. |
| 63 | * Semantically, it should be equivalent. |
| 64 | */ |
| 65 | public class Test4682386 { |
| 66 | private static final String FOO = "foo"; |
| 67 | private static final String BAR = "bar"; |
| 68 | |
| 69 | private static final int NUM_LISTENERS = 100; |
| 70 | private static final boolean DEBUG = true; |
| 71 | |
| 72 | private static final Class[] TYPES = { |
| 73 | JApplet.class, |
| 74 | JButton.class, |
| 75 | JCheckBox.class, |
| 76 | JComboBox.class, |
| 77 | JLabel.class, |
| 78 | JList.class, |
| 79 | JMenuItem.class, |
| 80 | JProgressBar.class, |
| 81 | JTextArea.class, |
| 82 | JTextPane.class, |
| 83 | JTextField.class, |
| 84 | JToolBar.class, |
| 85 | JTabbedPane.class, |
| 86 | JTree.class, |
| 87 | JTable.class, |
| 88 | }; |
| 89 | |
| 90 | public static void main(String[] args) { |
| 91 | testSwingProperties(); |
| 92 | |
| 93 | // tests the multi-threaded access |
| 94 | |
| 95 | TestBean bean = new TestBean(); |
| 96 | |
| 97 | Thread add = new Thread(new AddThread(bean)); |
| 98 | Thread remove = new Thread(new RemoveThread(bean)); |
| 99 | Thread prop = new Thread(new PropertyThread(bean)); |
| 100 | |
| 101 | add.start(); |
| 102 | prop.start(); |
| 103 | remove.start(); |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * Should be exectuted with $JAVA_HOME/lib/dt.jar in the classpath |
| 108 | * so that there will be a lot more bound properties. |
| 109 | * <p/> |
| 110 | * This test isn't really appropriate for automated testing. |
| 111 | */ |
| 112 | private static void testSwingProperties() { |
| 113 | long start = System.currentTimeMillis(); |
| 114 | for (Class type : TYPES) { |
| 115 | try { |
| 116 | Object bean = Beans.instantiate(type.getClassLoader(), type.getName()); |
| 117 | |
| 118 | JComponent comp = (JComponent) bean; |
| 119 | for (int k = 0; k < NUM_LISTENERS; k++) { |
| 120 | comp.addPropertyChangeListener(new PropertyListener()); |
| 121 | } |
| 122 | |
| 123 | for (PropertyDescriptor pd : getPropertyDescriptors(type)) { |
| 124 | if (pd.isBound()) { |
| 125 | if (DEBUG) { |
| 126 | System.out.println("Bound property found: " + pd.getName()); |
| 127 | } |
| 128 | |
| 129 | Method read = pd.getReadMethod(); |
| 130 | Method write = pd.getWriteMethod(); |
| 131 | try { |
| 132 | write.invoke( |
| 133 | bean, |
| 134 | getValue( |
| 135 | pd.getPropertyType(), |
| 136 | read.invoke(bean))); |
| 137 | } catch (Exception ex) { |
| 138 | // do nothing - just move on. |
| 139 | if (DEBUG) { |
| 140 | System.out.println("Reflective method invocation Exception for " + type + " : " + ex.getMessage()); |
| 141 | } |
| 142 | } |
| 143 | } |
| 144 | } |
| 145 | } catch (Exception ex) { |
| 146 | // do nothing - just move on. |
| 147 | if (DEBUG) { |
| 148 | System.out.println("Exception for " + type.getName() + |
| 149 | " : " + ex.getMessage()); |
| 150 | } |
| 151 | } |
| 152 | } |
| 153 | System.out.println("Exec time (ms): " + (System.currentTimeMillis() - start)); |
| 154 | } |
| 155 | |
| 156 | /** |
| 157 | * Gets a fake value from a type and old value; |
| 158 | */ |
| 159 | public static Object getValue(Class type, Object value) { |
| 160 | if (String.class.equals(type)) { |
| 161 | return "test string"; |
| 162 | } |
| 163 | if (value instanceof Integer) { |
| 164 | Integer i = (Integer) value; |
| 165 | return Integer.valueOf(i + 1); |
| 166 | } |
| 167 | if (value instanceof Boolean) { |
| 168 | Boolean b = (Boolean) value; |
| 169 | return Boolean.valueOf(!b); |
| 170 | } |
| 171 | return null; |
| 172 | } |
| 173 | |
| 174 | public static PropertyDescriptor[] getPropertyDescriptors(Class type) { |
| 175 | try { |
| 176 | return Introspector.getBeanInfo(type).getPropertyDescriptors(); |
| 177 | } catch (IntrospectionException exception) { |
| 178 | throw new Error("unexpected exception", exception); |
| 179 | } |
| 180 | } |
| 181 | |
| 182 | private static void sleep(long ms) { |
| 183 | try { |
| 184 | Thread.sleep(ms); |
| 185 | } catch (InterruptedException exception) { |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | private static class AddThread implements Runnable { |
| 190 | private final TestBean bean; |
| 191 | |
| 192 | AddThread(TestBean bean) { |
| 193 | this.bean = bean; |
| 194 | } |
| 195 | |
| 196 | public void run() { |
| 197 | for (int i = 0; i < NUM_LISTENERS; i++) { |
| 198 | for (int j = 0; j < 10; j++) { |
| 199 | this.bean.addPropertyChangeListener(new PropertyListener()); |
| 200 | } |
| 201 | if (DEBUG) { |
| 202 | System.out.println("10 listeners added"); |
| 203 | } |
| 204 | sleep(25L); |
| 205 | } |
| 206 | } |
| 207 | } |
| 208 | |
| 209 | private static class RemoveThread implements Runnable { |
| 210 | private final TestBean bean; |
| 211 | |
| 212 | RemoveThread(TestBean bean) { |
| 213 | this.bean = bean; |
| 214 | } |
| 215 | |
| 216 | public void run() { |
| 217 | for (int k = 0; k < NUM_LISTENERS; k++) { |
| 218 | sleep(100L); |
| 219 | PropertyChangeListener[] listeners = this.bean.getPropertyChangeListners(); |
| 220 | for (int i = listeners.length - 1; i >= 0; i--) { |
| 221 | this.bean.removePropertyChangeListener(listeners[i]); |
| 222 | } |
| 223 | if (DEBUG) { |
| 224 | System.out.println(listeners.length + " listeners removed"); |
| 225 | } |
| 226 | } |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | private static class PropertyThread implements Runnable { |
| 231 | private final TestBean bean; |
| 232 | |
| 233 | PropertyThread(TestBean bean) { |
| 234 | this.bean = bean; |
| 235 | } |
| 236 | |
| 237 | public void run() { |
| 238 | for (int i = 0; i < NUM_LISTENERS; i++) { |
| 239 | boolean flag = this.bean.isFoo(); |
| 240 | this.bean.setFoo(!flag); |
| 241 | this.bean.setBar(Boolean.toString(flag)); |
| 242 | if (DEBUG) { |
| 243 | System.out.println("Executed property changes"); |
| 244 | } |
| 245 | sleep(40L); |
| 246 | } |
| 247 | } |
| 248 | } |
| 249 | |
| 250 | /** |
| 251 | * Handler for the property change events. |
| 252 | */ |
| 253 | private static class PropertyListener implements PropertyChangeListener { |
| 254 | public void propertyChange(PropertyChangeEvent event) { |
| 255 | // blank since this should execute as fast as possible. |
| 256 | } |
| 257 | } |
| 258 | |
| 259 | /** |
| 260 | * A simple bean to test multi-threaded acccess to the listeners. |
| 261 | */ |
| 262 | public static class TestBean { |
| 263 | private final PropertyChangeSupport pcs = new PropertyChangeSupport(this); |
| 264 | private boolean foo; |
| 265 | private String bar; |
| 266 | |
| 267 | public void addPropertyChangeListener(PropertyChangeListener listener) { |
| 268 | this.pcs.addPropertyChangeListener(listener); |
| 269 | } |
| 270 | |
| 271 | public void removePropertyChangeListener(PropertyChangeListener listener) { |
| 272 | this.pcs.removePropertyChangeListener(listener); |
| 273 | } |
| 274 | |
| 275 | public PropertyChangeListener[] getPropertyChangeListners() { |
| 276 | return this.pcs.getPropertyChangeListeners(); |
| 277 | } |
| 278 | |
| 279 | public boolean isFoo() { |
| 280 | return this.foo; |
| 281 | } |
| 282 | |
| 283 | public void setFoo(boolean foo) { |
| 284 | boolean old = this.foo; |
| 285 | this.foo = foo; |
| 286 | this.pcs.firePropertyChange(FOO, old, foo); |
| 287 | } |
| 288 | |
| 289 | public String getBar() { |
| 290 | return this.bar; |
| 291 | } |
| 292 | |
| 293 | public void setBar(String bar) { |
| 294 | String old = this.bar; |
| 295 | this.bar = bar; |
| 296 | this.pcs.firePropertyChange(BAR, old, bar); |
| 297 | } |
| 298 | } |
| 299 | } |