001/*
002 * Copyright 2002-2013 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.remoting.caucho;
018
019import org.springframework.aop.framework.ProxyFactory;
020import org.springframework.beans.factory.FactoryBean;
021
022/**
023 * {@link FactoryBean} for Hessian proxies. Exposes the proxied service
024 * for use as a bean reference, using the specified service interface.
025 *
026 * <p>Hessian is a slim, binary RPC protocol.
027 * For information on Hessian, see the
028 * <a href="http://hessian.caucho.com">Hessian website</a>
029 * <b>Note: As of Spring 4.0, this proxy factory requires Hessian 4.0 or above.</b>
030 *
031 * <p>The service URL must be an HTTP URL exposing a Hessian service.
032 * For details, see the {@link HessianClientInterceptor} javadoc.
033 *
034 * @author Juergen Hoeller
035 * @since 13.05.2003
036 * @see #setServiceInterface
037 * @see #setServiceUrl
038 * @see HessianClientInterceptor
039 * @see HessianServiceExporter
040 * @see org.springframework.remoting.httpinvoker.HttpInvokerProxyFactoryBean
041 * @see org.springframework.remoting.rmi.RmiProxyFactoryBean
042 */
043public class HessianProxyFactoryBean extends HessianClientInterceptor implements FactoryBean<Object> {
044
045        private Object serviceProxy;
046
047
048        @Override
049        public void afterPropertiesSet() {
050                super.afterPropertiesSet();
051                this.serviceProxy = new ProxyFactory(getServiceInterface(), this).getProxy(getBeanClassLoader());
052        }
053
054
055        @Override
056        public Object getObject() {
057                return this.serviceProxy;
058        }
059
060        @Override
061        public Class<?> getObjectType() {
062                return getServiceInterface();
063        }
064
065        @Override
066        public boolean isSingleton() {
067                return true;
068        }
069
070}