| /* |
| * Copyright (c) 2003, 2007, 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 |
| * @summary Tests just a benchmark of introspector performance |
| * @author Mark Davidson |
| * @run main/manual TestIntrospector |
| */ |
| |
| import java.beans.BeanInfo; |
| import java.beans.IntrospectionException; |
| import java.beans.Introspector; |
| |
| /** |
| * This test is just a benchmark of introspector performance. |
| */ |
| public class TestIntrospector { |
| private static final Class[] TYPES = { |
| javax.swing.Box.class, |
| javax.swing.DefaultComboBoxModel.class, |
| javax.swing.DefaultCellEditor.class, |
| javax.swing.DefaultComboBoxModel.class, |
| javax.swing.DefaultListModel.class, |
| javax.swing.ImageIcon.class, |
| javax.swing.JApplet.class, |
| javax.swing.JButton.class, |
| javax.swing.JCheckBox.class, |
| javax.swing.JColorChooser.class, |
| javax.swing.JComboBox.class, |
| javax.swing.JDesktopPane.class, |
| javax.swing.JDialog.class, |
| javax.swing.JEditorPane.class, |
| javax.swing.JFileChooser.class, |
| javax.swing.JFrame.class, |
| javax.swing.JInternalFrame.class, |
| javax.swing.JLabel.class, |
| javax.swing.JList.class, |
| javax.swing.JMenu.class, |
| javax.swing.JMenuBar.class, |
| javax.swing.JMenuItem.class, |
| javax.swing.JOptionPane.class, |
| javax.swing.JPanel.class, |
| javax.swing.JPasswordField.class, |
| javax.swing.JPopupMenu.class, |
| javax.swing.JProgressBar.class, |
| javax.swing.JRadioButton.class, |
| javax.swing.JRadioButtonMenuItem.class, |
| javax.swing.JRootPane.class, |
| javax.swing.JScrollPane.class, |
| javax.swing.JSeparator.class, |
| javax.swing.JSlider.class, |
| javax.swing.JSplitPane.class, |
| javax.swing.JTabbedPane.class, |
| javax.swing.JTable.class, |
| javax.swing.JTextField.class, |
| javax.swing.JTextArea.class, |
| javax.swing.JTextPane.class, |
| javax.swing.JToggleButton.class, |
| javax.swing.JToolBar.class, |
| javax.swing.JToolTip.class, |
| javax.swing.JTree.class, |
| javax.swing.JWindow.class, |
| java.awt.Button.class, |
| java.awt.Canvas.class, |
| java.awt.Checkbox.class, |
| java.awt.Choice.class, |
| java.awt.Dialog.class, |
| java.awt.FileDialog.class, |
| java.awt.Frame.class, |
| java.awt.Image.class, |
| java.awt.List.class, |
| java.awt.Menu.class, |
| java.awt.MenuBar.class, |
| java.awt.MenuItem.class, |
| java.awt.Panel.class, |
| java.awt.Point.class, |
| java.awt.Rectangle.class, |
| java.awt.Scrollbar.class, |
| java.awt.TextArea.class, |
| java.awt.TextField.class, |
| java.awt.Window.class, |
| }; |
| |
| public static void main(String[] args) throws IntrospectionException { |
| StringBuilder sb = null; |
| if (args.length > 0) { |
| if (args[0].equals("show")) { |
| sb = new StringBuilder(65536); |
| } |
| } |
| Introspector.flushCaches(); |
| int count = (sb != null) ? 10 : 100; |
| long time = -System.currentTimeMillis(); |
| for (int i = 0; i < count; i++) { |
| test(sb); |
| test(sb); |
| Introspector.flushCaches(); |
| } |
| time += System.currentTimeMillis(); |
| System.out.println("Time (average): " + time / count); |
| } |
| |
| private static void test(StringBuilder sb) throws IntrospectionException { |
| long time = 0L; |
| if (sb != null) { |
| sb.append("Time\t#Props\t#Events\t#Methods\tClass\n"); |
| sb.append("----------------------------------------"); |
| time = -System.currentTimeMillis(); |
| } |
| for (Class type : TYPES) { |
| test(sb, type); |
| } |
| if (sb != null) { |
| time += System.currentTimeMillis(); |
| sb.append("\nTime: ").append(time).append(" ms\n"); |
| System.out.println(sb); |
| sb.setLength(0); |
| } |
| } |
| |
| private static void test(StringBuilder sb, Class type) throws IntrospectionException { |
| long time = 0L; |
| if (sb != null) { |
| time = -System.currentTimeMillis(); |
| } |
| BeanInfo info = Introspector.getBeanInfo(type); |
| if (sb != null) { |
| time += System.currentTimeMillis(); |
| sb.append('\n').append(time); |
| sb.append('\t').append(info.getPropertyDescriptors().length); |
| sb.append('\t').append(info.getEventSetDescriptors().length); |
| sb.append('\t').append(info.getMethodDescriptors().length); |
| sb.append('\t').append(type.getName()); |
| } |
| } |
| } |