001    /* AnnotationTypeMismatchException.java - Thrown when annotation has changed
002       Copyright (C) 2004, 2005 Free Software Foundation
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    package java.lang.annotation;
039    
040    import java.lang.reflect.Method;
041    
042    /**
043     * Thrown when accessing an element within an annotation for
044     * which the type has changed, since compilation or serialization
045     * took place.  The mismatch between the compiled or serialized
046     * type and the current type causes this exception to be thrown.
047     * 
048     * @author Tom Tromey (tromey@redhat.com)
049     * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
050     * @since 1.5
051     */
052    public class AnnotationTypeMismatchException extends RuntimeException
053    {
054    
055      /**
056       * For compatability with Sun's JDK
057       */
058      private static final long serialVersionUID = 8125925355765570191L;
059    
060      /**
061       * Constructs an <code>AnnotationTypeMismatchException</code>
062       * which is due to a mismatched type in the annotation
063       * element, <code>m</code>. The erroneous type used for the
064       * data in <code>m</code> is represented by the string,
065       * <code>type</code>.  This string is of an undefined format,
066       * and may contain the value as well as the type.
067       *
068       * @param m the element from the annotation.
069       * @param type the name of the erroneous type found in <code>m</code>.
070       */
071      public AnnotationTypeMismatchException(Method m, String type)
072      {
073        this.element = m;
074        this.foundType = type;
075      }
076    
077      /**
078       * Returns the element from the annotation, for which a
079       * mismatch occurred.
080       *
081       * @return the element with the mismatched type.
082       */
083      public Method element()
084      {
085        return element;
086      }
087    
088      /**
089       * Returns the erroneous type used by the element,
090       * represented as a <code>String</code>.  The format
091       * of this <code>String</code> is not explicitly specified,
092       * and may contain the value as well as the type.
093       *
094       * @return the type found in the element.
095       */
096      public String foundType()
097      {
098        return foundType;
099      }
100    
101      // Names are chosen from serialization spec.
102      /**
103       * The element from the annotation.
104       *
105       * @serial the element with the mismatched type.
106       */
107      private Method element;
108    
109      /**
110       * The erroneous type used by the element.
111       *
112       * @serial the type found in the element.
113       */
114      private String foundType;
115    
116    }