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/*******************************************************************************
* Copyright (c) 2010, 2015 Oracle.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
* and the Apache License v2.0 is available at
* http://www.opensource.org/licenses/apache2.0.php.
* You may elect to redistribute this code under either of these licenses.
*
* Contributors:
* Bob Nettleton (Oracle) - Initial Reference Implementation
******************************************************************************/
package org.eclipse.gemini.naming;
import java.lang.reflect.Method;
import java.security.PrivilegedExceptionAction;
/**
* This class represents a privileged action that involves
* invoking a method reflectively.
*
* This class does not make the reflective call. It provides
* common exception-handling mechanisms for sub-classes to rely upon.
*
* @version $Revision$
*/
abstract class ReflectiveInvokeAction implements PrivilegedExceptionAction {
private final Method m_method;
private final Object[] m_args;
ReflectiveInvokeAction(Method method, Object[] args) {
m_method = method;
m_args = args;
}
@Override
public Object run() throws Exception {
try {
return invokeMethod(m_method, m_args);
}
catch (Exception exception) {
// re-throw exception
throw exception;
}
catch (Throwable throwable) {
// the method that was invoked reflectively must have thrown a Throwable
// in this case, wrap the Throwable in an exception
throw new Exception("Exception occurred during method invocation", throwable);
}
}
public abstract Object invokeMethod(Method method, Object[] args) throws Throwable;
}
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