Debug Utilities : Debug « Development Class « Java

1. Java
2. Development Class
3. Debug

Debug Utilities

     
/*
 ** Copyright (c) 1998 by Timothy Gerard Endres
 ** <mailto:time@ice.com>  <http://www.ice.com>
 ** 
 ** This program is free software.
 ** 
 ** You may redistribute it and/or modify it under the terms of the GNU
 ** General Public License as published by the Free Software Foundation.
 ** Version 2 of the license should be included with this distribution in
 ** the file LICENSE, as well as License.html. If the license is not
 ** included with this distribution, you may find a copy at the FSF web
 ** site at 'www.gnu.org' or 'www.fsf.org', or you may write to the
 ** Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139 USA.
 **
 ** THIS SOFTWARE IS PROVIDED AS-IS WITHOUT WARRANTY OF ANY KIND,
 ** NOT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY. THE AUTHOR
 ** OF THIS SOFTWARE, ASSUMES _NO_ RESPONSIBILITY FOR ANY
 ** CONSEQUENCE RESULTING FROM THE USE, MODIFICATION, OR
 ** REDISTRIBUTION OF THIS SOFTWARE. 
 ** 
 */

import java.io.PrintWriter;

public class DebugUtilities {
  public static void printClassHierarchy(Class aClass, PrintWriter writer, String prefix) {
    String subPrefix = "-->";

    for (int i = 0;; ++i) {
      writer.println(prefix + " " + subPrefix + " " + aClass.getName());

      aClass = aClass.getSuperclass();

      if (aClass == Object.class)
        break;

      subPrefix = "--" + subPrefix;
    }
  }

  public static void printContainerComponents(java.awt.Container cont, PrintWriter writer,
      String prefix, boolean recurse) {
    java.awt.Component[] comps = cont.getComponents();

    if (comps.length < 1) {
      writer.println(prefix + "Contains no components.");
    }

    for (int i = 0; i < comps.length; ++i) {
      DebugUtilities.printClassHierarchy(comps[i].getClass(), writer, prefix + "[" + i + "]");

      if (recurse) {
        Class c = java.awt.Container.class;
        if (c.isAssignableFrom(comps[i].getClass())) {
          DebugUtilities.printContainerComponents((java.awt.Container) comps[i], writer, (prefix
              + "[" + i + "] "), recurse);
        }
      }
    }
  }

}

   
    
    
    
    
  

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