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 }