    001    /* ========================================================================
    002     * JCommon : a free general purpose class library for the Java(tm) platform
    003     * ========================================================================
    004     *
    005     * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
    006     *
    007     * Project Info:  http://www.jfree.org/jcommon/index.html
    008     *
    009     * This library is free software; you can redistribute it and/or modify it
    010     * under the terms of the GNU Lesser General Public License as published by
    011     * the Free Software Foundation; either version 2.1 of the License, or
    012     * (at your option) any later version.
    013     *
    014     * This library is distributed in the hope that it will be useful, but
    015     * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    016     * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
    017     * License for more details.
    018     *
    019     * You should have received a copy of the GNU Lesser General Public
    020     * License along with this library; if not, write to the Free Software
    021     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
    022     * USA.
    023     *
    024     * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
    025     * in the United States and other countries.]
    026     *
    027     * ------------------
    028     * PrintBeanInfo.java
    029     * ------------------
    030     * (C)opyright 2003, 2004, by Thomas Morgner and Contributors.
    031     *
    032     * Original Author:  Thomas Morgner;
    033     * Contributor(s):   David Gilbert (for Object Refinery Limited);
    034     *
    035     * $Id: PrintBeanInfo.java,v 1.3 2005/10/18 13:32:37 mungady Exp $
    036     *
    037     * Changes
    038     * -------
    039     * 21.06.2003 : Initial version (TM);
    040     *
    041     */
    042
    043    package org.jfree.xml.generator.model;
    044
    045    import java.beans.BeanInfo;
    046    import java.beans.IndexedPropertyDescriptor;
    047    import java.beans.IntrospectionException;
    048    import java.beans.Introspector;
    049    import java.beans.PropertyDescriptor;
    050
    051    /**
    052     * A utility class for printing information about a class.
    053     */
    054    public class PrintBeanInfo {
    055
    056      private PrintBeanInfo ()
    057      {
    058      }
    059
    060        /**
    061         * Prints the information for a class.
    062         *
    063         * @param c  the class.
    064         */
    065        public static void print (final Class c) {
    066            try {
    067                System.out.println("Class: " + c.getName());
    068                System.out.println(
    069                    "========================================================================"
    070                );
    071                final BeanInfo bi = Introspector.getBeanInfo(c, c.getSuperclass());
    072                final PropertyDescriptor[] pd = bi.getPropertyDescriptors();
    073                for (int i = 0; i < pd.length; i++) {
    074                    System.out.println ("Property: " + pd[i].getDisplayName());
    075                    System.out.println(
    076                        "---------------------------------------------------------------------"
    077                    );
    078                    System.out.println (" ( " + pd[i].getShortDescription() + ")");
    079                    if (pd[i] instanceof IndexedPropertyDescriptor) {
    080                        final IndexedPropertyDescriptor id = (IndexedPropertyDescriptor) pd[i];
    081                        System.out.println ("  - idx-type   : " + id.getIndexedPropertyType());
    082                        System.out.println ("  - idx-read   : " + id.getIndexedReadMethod());
    083                        System.out.println ("  - idx-write  : " + id.getIndexedWriteMethod());
    084                    }
    085                    else {
    086                        System.out.println ("  - type       : " + pd[i].getPropertyType());
    087                        System.out.println ("  - read       : " + pd[i].getReadMethod());
    088                        System.out.println ("  - write      : " + pd[i].getWriteMethod());
    089                    }
    090                    System.out.println ("  - bound      : " + pd[i].isBound());
    091                    System.out.println ("  - constrained: " + pd[i].isConstrained());
    092                }
    093            }
    094            catch (IntrospectionException ie) {
    095                ie.printStackTrace();
    096            }
    097        }
    098
    099        /**
    100         * Entry point for this utility application.
    101         *
    102         * @param args  the class names.
    103         *
    104         * @throws Exception if there is a problem.
    105         */
    106        public static void main(final String[] args) throws Exception {
    107            for (int i = 0; i < args.length; i++) {
    108                print(Class.forName(args[i]));
    109            }
    110        }
    111
    112    }