/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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.
*
* Copyright (c) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.libraries.base.util;
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 StringBuilder b = new StringBuilder( length );
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();
}
}