/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * particular file as subject to the "Classpath" exception as provided

 *

 * This code 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 GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 */

package com.sun.corba.se.spi.orbutil.proxy ;

import java.io.Serializable ;

import java.util.Map ;

import java.util.LinkedHashMap ;

import java.lang.reflect.Proxy ;

import java.lang.reflect.Method ;

import java.lang.reflect.InvocationHandler ;

import java.lang.reflect.InvocationTargetException ;

import com.sun.corba.se.impl.presentation.rmi.DynamicAccessPermission ;

public abstract class DelegateInvocationHandlerImpl

{

    private DelegateInvocationHandlerImpl() {}

    public static InvocationHandler create( final Object delegate )

    {

        SecurityManager s = System.getSecurityManager();

        if (s != null) {

            s.checkPermission(new DynamicAccessPermission("access"));

        }

        return new InvocationHandler() {

            public Object invoke( Object proxy, Method method, Object[] args )

                throws Throwable

            {

                // This throws an IllegalArgument exception if the delegate

                // is not assignable from method.getDeclaring class.

                try {

                    return method.invoke( delegate, args ) ;

                } catch (InvocationTargetException ite) {

                    // Propagate the underlying exception as the

                    // result of the invocation

                    throw ite.getCause() ;

                }

            }

        } ;

    }

}