TarTool example source code file (DebugUtilities.java)

This example TarTool source code file (DebugUtilities.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - TarTool tags/keywords

class, class, contains, contains, debugutilities, io, printwriter, printwriter, string, string

The TarTool DebugUtilities.java source code

/*
** Copyright (c) 1998 by Timothy Gerard Endres
** <mailto:time@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. 
** 
*/

package com.ice.util;

import java.io.*;


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 );
					}
				}
			}
		}

	}