    001// Copyright 2011 The Apache Software Foundation
    002//
    003// Licensed under the Apache License, Version 2.0 (the "License");
    004// you may not use this file except in compliance with the License.
    005// You may obtain a copy of the License at
    006//
    007// http://www.apache.org/licenses/LICENSE-2.0
    008//
    009// Unless required by applicable law or agreed to in writing, software
    010// distributed under the License is distributed on an "AS IS" BASIS,
    011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012// See the License for the specific language governing permissions and
    013// limitations under the License.
    014
    015package org.apache.tapestry5.internal.plastic;
    016
    017import org.apache.tapestry5.plastic.MethodInvocationResult;
    018
    019public class FailureMethodInvocationResult implements MethodInvocationResult
    020{
    021    private final Throwable thrown;
    022
    023    public FailureMethodInvocationResult(Throwable thrown)
    024    {
    025        assert thrown != null;
    026
    027        this.thrown = thrown;
    028    }
    029
    030    @Override
    031    public Object getReturnValue()
    032    {
    033        return null;
    034    }
    035
    036    @Override
    037    public void rethrow()
    038    {
    039        throw new RuntimeException(thrown);
    040    }
    041
    042    @Override
    043    public boolean didThrowCheckedException()
    044    {
    045        return true;
    046    }
    047
    048    @Override
    049    public <T extends Throwable> T getCheckedException(Class<T> exceptionType)
    050    {
    051        if (exceptionType.isInstance(thrown))
    052            return exceptionType.cast(thrown);
    053
    054        return null;
    055    }
    056
    057}