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 public Object getReturnValue() 031 { 032 return null; 033 } 034 035 public void rethrow() 036 { 037 throw new RuntimeException(thrown); 038 } 039 040 public boolean didThrowCheckedException() 041 { 042 return true; 043 } 044 045 public <T extends Throwable> T getCheckedException(Class<T> exceptionType) 046 { 047 if (exceptionType.isInstance(thrown)) 048 return exceptionType.cast(thrown); 049 050 return null; 051 } 052 053}