001    /* MissingFormatWidthException.java
002       Copyright (C) 2005  Free Software Foundation, Inc.
003    
004    This file is part of GNU Classpath.
005    
006    GNU Classpath is free software; you can redistribute it and/or modify
007    it under the terms of the GNU General Public License as published by
008    the Free Software Foundation; either version 2, or (at your option)
009    any later version.
010    
011    GNU Classpath is distributed in the hope that it will be useful, but
012    WITHOUT ANY WARRANTY; without even the implied warranty of
013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014    General Public License for more details.
015    
016    You should have received a copy of the GNU General Public License
017    along with GNU Classpath; see the file COPYING.  If not, write to the
018    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019    02110-1301 USA.
020    
021    Linking this library statically or dynamically with other modules is
022    making a combined work based on this library.  Thus, the terms and
023    conditions of the GNU General Public License cover the whole
024    combination.
025    
026    As a special exception, the copyright holders of this library give you
027    permission to link this library with independent modules to produce an
028    executable, regardless of the license terms of these independent
029    modules, and to copy and distribute the resulting executable under
030    terms of your choice, provided that you also meet, for each linked
031    independent module, the terms and conditions of the license of that
032    module.  An independent module is a module which is not derived from
033    or based on this library.  If you modify this library, you may extend
034    this exception to your version of the library, but you are not
035    obligated to do so.  If you do not wish to do so, delete this
036    exception statement from your version. */
037    
038    
039    package java.util;
040    
041    /** 
042     * Thrown when the a format specification for a {@link Formatter}
043     * does not include a width for a value where one is required.
044     *
045     * @author Tom Tromey (tromey@redhat.com)
046     * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
047     * @since 1.5 
048     */
049    public class MissingFormatWidthException 
050      extends IllegalFormatException
051    {
052      private static final long serialVersionUID = 15560123L;
053    
054      /**
055       * The format specification which contains the
056       * unmatched argument.
057       *
058       * @serial the format specification.
059       */
060      // Note: name fixed by serialization.
061      private String s;
062    
063      /**
064       * Constructs a new <code>MissingFormatWidthException</code>
065       * for a format specification, <code>s</code>, which excludes
066       * a required width argument.
067       *
068       * @param s the format specification.
069       * @throws NullPointerException if <code>s</code> is null.
070       */
071      public MissingFormatWidthException(String s)
072      {
073        super("The specification, " + s + ", misses a required width.");
074        if (s == null)
075          throw new NullPointerException("The specification is null.");
076        this.s = s;
077      }
078    
079      /**
080       * Returns the format specification.
081       *
082       * @return the format specification.
083       */
084      public String getFormatSpecifier()
085      {
086        return s;
087      }
088    }