/*
* IronJacamar, a Java EE Connector Architecture implementation
* Copyright 2015, Red Hat Inc, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the Eclipse Public License 1.0 as
* published by the Free Software Foundation.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the Eclipse
* Public License for more details.
*
* You should have received a copy of the Eclipse Public License
* along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.ironjacamar.core.connectionmanager.ccm;
import java.lang.reflect.Method;
import java.security.AccessController;
import java.security.PrivilegedAction;
/**
* Privileged Blocks
* @author <a href="mailto:jesper.pedersen@ironjacamar.org">Jesper Pedersen</a>
*/
class SecurityActions
{
/**
* Constructor
*/
private SecurityActions()
{
}
/**
* Get the method
* @param c The class
* @param name The name
* @param params The parameters
* @return The method
* @exception NoSuchMethodException If a matching method is not found.
*/
static Method getMethod(final Class<?> c, final String name, final Class<?>... params)
throws NoSuchMethodException
{
if (System.getSecurityManager() == null)
return c.getMethod(name, params);
Method result = AccessController.doPrivileged(new PrivilegedAction<Method>()
{
public Method run()
{
try
{
return c.getMethod(name, params);
}
catch (NoSuchMethodException e)
{
return null;
}
}
});
if (result != null)
return result;
throw new NoSuchMethodException();
}
}