1 /*
   2  * Copyright (c) 1994, 2018, 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.lang;
  27 
  28 /**
  29  * Thrown to indicate that the application has attempted to convert
  30  * a string to one of the numeric types, but that the string does not
  31  * have the appropriate format.
  32  *
  33  * @author  unascribed
  34  * @see     java.lang.Integer#parseInt(String)
  35  * @since   1.0
  36  */
  37 public
  38 class NumberFormatException extends IllegalArgumentException {
  39     @java.io.Serial
  40     static final long serialVersionUID = -2848938806368998894L;
  41 
  42     /**
  43      * Constructs a <code>NumberFormatException</code> with no detail message.
  44      */
  45     public NumberFormatException () {
  46         super();
  47     }
  48 
  49     /**
  50      * Constructs a <code>NumberFormatException</code> with the
  51      * specified detail message.
  52      *
  53      * @param   s   the detail message.
  54      */
  55     public NumberFormatException (String s) {
  56         super (s);
  57     }
  58 
  59     /**
  60      * Factory method for making a {@code NumberFormatException}
  61      * given the specified input which caused the error.
  62      *
  63      * @param   s   the input causing the error
  64      */
  65     static NumberFormatException forInputString(String s, int radix) {
  66         return new NumberFormatException("For input string: \"" + s + "\"" +
  67                                          (radix == 10 ?
  68                                           "" :
  69                                           " under radix " + radix));
  70     }
  71 
  72     /**
  73      * Factory method for making a {@code NumberFormatException}
  74      * given the specified input which caused the error.
  75      *
  76      * @param   s   the input causing the error
  77      * @param   beginIndex   the beginning index, inclusive.
  78      * @param   endIndex     the ending index, exclusive.
  79      * @param   errorIndex   the index of the first error in s
  80      */
  81     static NumberFormatException forCharSequence(CharSequence s,
  82             int beginIndex, int endIndex, int errorIndex) {
  83         return new NumberFormatException("Error at index "
  84                 + (errorIndex - beginIndex) + " in: \""
  85                 + s.subSequence(beginIndex, endIndex) + "\"");
  86     }
  87 }