1 /*
   2  * Copyright 2005-2009 Sun Microsystems, Inc.  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.  Sun designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  22  * CA 95054 USA or visit www.sun.com if you need additional information or
  23  * have any questions.
  24  */
  25 
  26 package javax.lang.model.type;
  27 
  28 import java.io.ObjectInputStream;
  29 import java.io.IOException;
  30 import java.lang.annotation.Annotation;
  31 import javax.lang.model.element.Element;
  32 
  33 
  34 /**
  35  * Thrown when an application attempts to access the {@link Class} object
  36  * corresponding to a {@link TypeMirror}.
  37  *
  38  * @author Joseph D. Darcy
  39  * @author Scott Seligman
  40  * @author Peter von der Ahé
  41  * @see MirroredTypesException
  42  * @see Element#getAnnotation(Class)
  43  * @since 1.6
  44  */
  45 public class MirroredTypeException extends RuntimeException {
  46 
  47     private static final long serialVersionUID = 269;
  48 
  49     private transient TypeMirror type;          // cannot be serialized
  50 
  51     /**
  52      * Constructs a new MirroredTypeException for the specified type.
  53      *
  54      * @param type  the type being accessed
  55      */
  56     public MirroredTypeException(TypeMirror type) {
  57         super("Attempt to access Class object for TypeMirror " + type);
  58         this.type = type;
  59     }
  60 
  61     /**
  62      * Returns the type mirror corresponding to the type being accessed.
  63      * The type mirror may be unavailable if this exception has been
  64      * serialized and then read back in.
  65      *
  66      * @return the type mirror, or {@code null} if unavailable
  67      */
  68     public TypeMirror getTypeMirror() {
  69         return type;
  70     }
  71 
  72     /**
  73      * Explicitly set all transient fields.
  74      */
  75     private void readObject(ObjectInputStream s)
  76         throws IOException, ClassNotFoundException {
  77         s.defaultReadObject();
  78         type = null;
  79     }
  80 }