001/*
002 * HA-JDBC: High-Availability JDBC
003 * Copyright (C) 2012  Paul Ferraro
004 *
005 * This program is free software: you can redistribute it and/or modify
006 * it under the terms of the GNU Lesser General Public License as published by
007 * the Free Software Foundation, either version 3 of the License, or
008 * (at your option) any later version.
009 *
010 * This program is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
013 * GNU Lesser General Public License for more details.
014 *
015 * You should have received a copy of the GNU Lesser General Public License
016 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
017 */
018package net.sf.hajdbc.util.reflect;
019
020import java.lang.reflect.InvocationHandler;
021import java.lang.reflect.Proxy;
022
023/**
024 * @author Paul Ferraro
025 */
026public final class Proxies
027{
028        /**
029         * Helper method to simplify creation and casting of a proxy instance for a single interface.
030         * @param <T> target interface
031         * @param targetInterface interface to proxy
032         * @param handler an invocation handler
033         * @return a proxy instance for the given target interface
034         */
035        public static <T> T createProxy(Class<T> targetInterface, InvocationHandler handler)
036        {
037                return targetInterface.cast(Proxy.newProxyInstance(targetInterface.getClassLoader(), new Class<?>[] { targetInterface }, handler));
038        }
039        
040        private Proxies()
041        {
042                // Hide constructor
043        }
044}