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    1   /*
    2    * Copyright (c) 2003, 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 duplicate flags are provided in the format
   30    * specifier.
   31    *
   32    * <p> Unless otherwise specified, passing a <tt>null</tt> argument to any
   33    * method or constructor in this class will cause a {@link
   34    * NullPointerException} to be thrown.
   35    *
   36    * @since 1.5
   37    */
   38   public class DuplicateFormatFlagsException extends IllegalFormatException {
   39   
   40       private static final long serialVersionUID = 18890531L;
   41   
   42       private String flags;
   43   
   44       /**
   45        * Constructs an instance of this class with the specified flags.
   46        *
   47        * @param  f
   48        *         The set of format flags which contain a duplicate flag.
   49        */
   50       public DuplicateFormatFlagsException(String f) {
   51           if (f == null)
   52               throw new NullPointerException();
   53           this.flags = f;
   54       }
   55   
   56       /**
   57        * Returns the set of flags which contains a duplicate flag.
   58        *
   59        * @return  The flags
   60        */
   61       public String getFlags() {
   62           return flags;
   63       }
   64   
   65       public String getMessage() {
   66           return String.format("Flags = '%s'", flags);
   67       }
   68   }

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