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}