1 /*
   2  * Copyright (c) 2005, 2009, 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 javax.lang.model.type;
  27 
  28 import java.lang.annotation.Annotation;
  29 import java.util.ArrayList;
  30 import java.util.List;
  31 import java.util.Collections;
  32 import java.io.ObjectInputStream;
  33 import java.io.IOException;
  34 import javax.lang.model.element.Element;
  35 
  36 
  37 /**
  38  * Thrown when an application attempts to access a sequence of {@link
  39  * Class} objects each corresponding to a {@link TypeMirror}.
  40  *
  41  * @author Joseph D. Darcy
  42  * @author Scott Seligman
  43  * @author Peter von der Ahé
  44  * @see MirroredTypeException
  45  * @see Element#getAnnotation(Class)
  46  * @since 1.6
  47  */
  48 public class MirroredTypesException extends RuntimeException {
  49 
  50     private static final long serialVersionUID = 269;
  51 
  52     private transient List<? extends TypeMirror> types; // cannot be serialized
  53 
  54     /**
  55      * Constructs a new MirroredTypesException for the specified types.
  56      *
  57      * @param types  the types being accessed
  58      */
  59     public MirroredTypesException(List<? extends TypeMirror> types) {
  60         super("Attempt to access Class objects for TypeMirrors " +
  61               (types = // defensive copy
  62                new ArrayList<TypeMirror>(types)).toString() );
  63         this.types = Collections.unmodifiableList(types);
  64     }
  65 
  66     /**
  67      * Returns the type mirrors corresponding to the types being accessed.
  68      * The type mirrors may be unavailable if this exception has been
  69      * serialized and then read back in.
  70      *
  71      * @return the type mirrors in construction order, or {@code null} if unavailable
  72      */
  73     public List<? extends TypeMirror> getTypeMirrors() {
  74         return types;
  75     }
  76 
  77     /**
  78      * Explicitly set all transient fields.
  79      */
  80     private void readObject(ObjectInputStream s)
  81         throws IOException, ClassNotFoundException {
  82         s.defaultReadObject();
  83         types = null;
  84     }
  85 }