    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
    043package org.jfree.xml.generator.model;
    044
    045import java.beans.BeanInfo;
    046import java.beans.IndexedPropertyDescriptor;
    047import java.beans.IntrospectionException;
    048import java.beans.Introspector;
    049import java.beans.PropertyDescriptor;
    050
    051/**
    052 * A utility class for printing information about a class.
    053 */
    054public 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}