/* ========================================================================
* JCommon : a free general purpose class library for the Java(tm) platform
* ========================================================================
*
* (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jcommon/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ---------------
* PadMessage.java
* ---------------
* (C) Copyright 2004, by Object Refinery Limited.
*
* Original Author: Thomas Morgner;
* Contributor(s): David Gilbert (for Object Refinery Limited);
*
* $Id: PadMessage.java,v 1.4 2005/10/18 13:14:33 mungady Exp $
*
* Changes
* -------
* 15-Jul-2004 : Added JCommon header (DG);
*
*/
package org.jfree.base.log;
import java.util.Arrays;
/**
* A message object that pads the output if the text is shorter than
* the given length. This is usefull when concating multiple messages,
* which should appear in a table like style.
*
* @author Thomas Morgner
*/
public class PadMessage {
/**
* The message.
*/
private final Object text;
/**
* The padding size.
*/
private final int length;
/**
* Creates a new message.
*
* @param message the message.
* @param length the padding size.
*/
public PadMessage(final Object message, final int length) {
this.text = message;
this.length = length;
}
/**
* Returns a string representation of the message.
*
* @return the string.
*/
public String toString() {
final StringBuffer b = new StringBuffer();
b.append(this.text);
if (b.length() < this.length) {
final char[] pad = new char[this.length - b.length()];
Arrays.fill(pad, ' ');
b.append(pad);
}
return b.toString();
}
}