1 /*
   2  * Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package java.util;
  27 
  28 /**
  29  * Unchecked exception thrown when an unknown conversion is given.
  30  *
  31  * <p> Unless otherwise specified, passing a {@code null} argument to
  32  * any method or constructor in this class will cause a {@link
  33  * NullPointerException} to be thrown.
  34  *
  35  * @since 1.5
  36  */
  37 public class UnknownFormatConversionException extends IllegalFormatException {
  38 
  39     private static final long serialVersionUID = 19060418L;
  40 
  41     private String s;
  42 
  43     /**
  44      * Constructs an instance of this class with the unknown conversion.
  45      *
  46      * @param  s
  47      *         Unknown conversion
  48      */
  49     public UnknownFormatConversionException(String s) {
  50         if (s == null)
  51             throw new NullPointerException();
  52         this.s = s;
  53     }
  54 
  55     /**
  56      * Returns the unknown conversion.
  57      *
  58      * @return  The unknown conversion.
  59      */
  60     public String getConversion() {
  61         return s;
  62     }
  63 
  64     // javadoc inherited from Throwable.java
  65     public String getMessage() {
  66         return String.format("Conversion = '%s'", s);
  67     }
  68 }