Source for org.jfree.xml.generator.model.PrintBeanInfo

   1: /* ========================================================================
   2:  * JCommon : a free general purpose class library for the Java(tm) platform
   3:  * ========================================================================
   4:  *
   5:  * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
   6:  * 
   7:  * Project Info:  http://www.jfree.org/jcommon/index.html
   8:  *
   9:  * This library is free software; you can redistribute it and/or modify it 
  10:  * under the terms of the GNU Lesser General Public License as published by 
  11:  * the Free Software Foundation; either version 2.1 of the License, or 
  12:  * (at your option) any later version.
  13:  *
  14:  * This library is distributed in the hope that it will be useful, but 
  15:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
  16:  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
  17:  * License for more details.
  18:  *
  19:  * You should have received a copy of the GNU Lesser General Public
  20:  * License along with this library; if not, write to the Free Software
  21:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
  22:  * USA.  
  23:  *
  24:  * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
  25:  * in the United States and other countries.]
  26:  * 
  27:  * ------------------
  28:  * PrintBeanInfo.java
  29:  * ------------------
  30:  * (C)opyright 2003, 2004, by Thomas Morgner and Contributors.
  31:  *
  32:  * Original Author:  Thomas Morgner;
  33:  * Contributor(s):   David Gilbert (for Object Refinery Limited);
  34:  *
  35:  * $Id: PrintBeanInfo.java,v 1.3 2005/10/18 13:32:37 mungady Exp $
  36:  *
  37:  * Changes 
  38:  * -------
  39:  * 21.06.2003 : Initial version (TM);
  40:  *  
  41:  */
  42: 
  43: package org.jfree.xml.generator.model;
  44: 
  45: import java.beans.BeanInfo;
  46: import java.beans.IndexedPropertyDescriptor;
  47: import java.beans.IntrospectionException;
  48: import java.beans.Introspector;
  49: import java.beans.PropertyDescriptor;
  50: 
  51: /**
  52:  * A utility class for printing information about a class.
  53:  */
  54: public class PrintBeanInfo {
  55: 
  56:   private PrintBeanInfo ()
  57:   {
  58:   }
  59: 
  60:     /**
  61:      * Prints the information for a class.
  62:      * 
  63:      * @param c  the class.
  64:      */
  65:     public static void print (final Class c) {
  66:         try {
  67:             System.out.println("Class: " + c.getName());
  68:             System.out.println(
  69:                 "========================================================================"
  70:             );
  71:             final BeanInfo bi = Introspector.getBeanInfo(c, c.getSuperclass());
  72:             final PropertyDescriptor[] pd = bi.getPropertyDescriptors();
  73:             for (int i = 0; i < pd.length; i++) {
  74:                 System.out.println ("Property: " + pd[i].getDisplayName());
  75:                 System.out.println(
  76:                     "---------------------------------------------------------------------"
  77:                 );
  78:                 System.out.println (" ( " + pd[i].getShortDescription() + ")");
  79:                 if (pd[i] instanceof IndexedPropertyDescriptor) {
  80:                     final IndexedPropertyDescriptor id = (IndexedPropertyDescriptor) pd[i];
  81:                     System.out.println ("  - idx-type   : " + id.getIndexedPropertyType());
  82:                     System.out.println ("  - idx-read   : " + id.getIndexedReadMethod());
  83:                     System.out.println ("  - idx-write  : " + id.getIndexedWriteMethod());
  84:                 }
  85:                 else {
  86:                     System.out.println ("  - type       : " + pd[i].getPropertyType());
  87:                     System.out.println ("  - read       : " + pd[i].getReadMethod());
  88:                     System.out.println ("  - write      : " + pd[i].getWriteMethod());
  89:                 }
  90:                 System.out.println ("  - bound      : " + pd[i].isBound());
  91:                 System.out.println ("  - constrained: " + pd[i].isConstrained());
  92:             }
  93:         }
  94:         catch (IntrospectionException ie) {
  95:             ie.printStackTrace();
  96:         }
  97:     }
  98: 
  99:     /**
 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: }