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Central module for Tapestry, containing interfaces to the Java
Servlet API and all core services and components.
// Copyright 2010 The Apache Software Foundation
//
// 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 org.apache.tapestry5.internal.services;
import org.apache.tapestry5.services.MethodInvocationResult;
/**
* Implementation of {@link MethodInvocationResult} for failed
* invocations (where a checked exception was thrown).
*
* @since 5.2.0
*/
public class MethodInvocationFailResult implements MethodInvocationResult
{
private final Throwable thrown;
public MethodInvocationFailResult(Throwable thrown)
{
this.thrown = thrown;
}
public Object getReturnValue()
{
return null;
}
public T getThrown(Class throwableClass)
{
if (throwableClass.isInstance(thrown))
return throwableClass.cast(thrown);
return null;
}
public boolean isFail()
{
return true;
}
public void rethrow()
{
throw new RuntimeException(thrown);
}
}