/**
 * AmbientTalk/2 Project
 * XTypeMismatch.java created on Jul 13, 2006 at 9:43:54 PM
 * (c) Programming Technology Lab, 2006 - 2007
 * Authors: Tom Van Cutsem & Stijn Mostinckx
 * 
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */
package edu.vub.at.exceptions;

import edu.vub.at.eval.Evaluator;
import edu.vub.at.objects.ATObject;
import edu.vub.at.objects.ATStripe;
import edu.vub.at.objects.coercion.NativeStripes;

/**
 * XTypeMismatch instances are thrown when a value conversion failed.
 * 
 * @author smostinc
 * @author tvcutsem
 */
public class XTypeMismatch extends InterpreterException {

	private static final long serialVersionUID = -3135452124227872807L;
	
	private final ATObject failedObject_;
    private final Class expectedType_;

	public XTypeMismatch(Class expectedType, ATObject failedObject) {
		expectedType_ = expectedType;
		failedObject_ = failedObject;
	}

	public ATObject getFailedObject() {
		return failedObject_;
	}
	
	public Class getExpectedType() {
		return expectedType_;
	}
	
	public String getMessage() {
		String obj = Evaluator.toString(failedObject_);
		return "Type mismatch: expected " + Evaluator.valueNameOf(expectedType_)
		           + ", given " + obj + " (type: " + Evaluator.valueNameOf(failedObject_.getClass())+ ")";
	}
	
	public ATStripe getStripeType() {
		return NativeStripes._TYPEMISMATCH_;
	}

}