001/*
002 * HA-JDBC: High-Availability JDBC
003 * Copyright (c) 2004-2007 Paul Ferraro
004 * 
005 * This library is free software; you can redistribute it and/or modify it 
006 * under the terms of the GNU Lesser General Public License as published by the 
007 * Free Software Foundation; either version 2.1 of the License, or (at your 
008 * option) any later version.
009 * 
010 * This library is distributed in the hope that it will be useful, but WITHOUT
011 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
012 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License 
013 * for more details.
014 * 
015 * You should have received a copy of the GNU Lesser General Public License
016 * along with this library; if not, write to the Free Software Foundation, 
017 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
018 * 
019 * Contact: ferraro@users.sourceforge.net
020 */
021package net.sf.hajdbc.util.reflect;
022
023import java.lang.reflect.InvocationHandler;
024import java.lang.reflect.Proxy;
025
026/**
027 * @author Paul Ferraro
028 */
029public final class ProxyFactory
030{
031        /**
032         * Helper method to simplify creation and casting of a proxy instance for a single interface.
033         * @param <T> target interface
034         * @param targetInterface interface to proxy
035         * @param handler an invocation handler
036         * @return a proxy instance for the given target interface
037         */
038        public static <T> T createProxy(Class<T> targetInterface, InvocationHandler handler)
039        {
040                return targetInterface.cast(Proxy.newProxyInstance(targetInterface.getClassLoader(), new Class<?>[] { targetInterface }, handler));
041        }
042        
043        private ProxyFactory()
044        {
045                // Hide constructor
046        }
047}