/*

 * 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());

        }

    }

}