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}