/*

  * Copyright 2008, 2009 Ange Optimization ApS

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package eu.simuline.octave.exception;

 import eu.simuline.octave.type.OctaveObject;

 /**

  * Exception thrown when a cast fails inside JavaOctave. 

  */

 public final class OctaveClassCastException extends OctaveRecoverableException {

     private final OctaveObject octaveObject;

     private final Class<? extends OctaveObject> castClass;

     /**

      * @param cause

      *            ClassCastException that we are rethrowing

      * @param octaveObject

      *            OctaveObject that couldn't be casted

      * @param castClass

      *            The class octaveObject couldn't be casted to

      */

     public OctaveClassCastException(ClassCastException cause, 

                                     OctaveObject octaveObject,

                                     Class<? extends OctaveObject> castClass) {

         super(cause);

         this.octaveObject = octaveObject;

         this.castClass = castClass;

     }

     /**

      * @return the OctaveObject that couldn't be casted

      */

     public OctaveObject getOctaveObject() {

         return octaveObject;

     }

     /**

      * @return the class octaveObject couldn't be casted to

      */

     public Class<? extends OctaveObject> getCastClass() {

         return castClass;

     }

     @Override

     public String getMessage() {

         final String m1 = "Failed cast of " + octaveObject + " to " + castClass;

         final String m2 = super.getMessage();

         return m1 + (m2 == null ? "" : ", " + m2);

     }

 }