Spring Framework example source code file (HttpInvokerProxyFactoryBean.java)

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Java - Spring Framework tags/keywords

class, factorybean, factorybean, httpinvokerclientinterceptor, httpinvokerclientinterceptor, httpinvokerproxyfactorybean, httpinvokerproxyfactorybean, illegalargumentexception, object, object, property, proxyfactory

The Spring Framework HttpInvokerProxyFactoryBean.java source code

/*
 * Copyright 2002-2007 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.remoting.httpinvoker;

import org.springframework.aop.framework.ProxyFactory;
import org.springframework.beans.factory.FactoryBean;

/**
 * FactoryBean for HTTP invoker proxies. Exposes the proxied service for
 * use as a bean reference, using the specified service interface.
 *
 * <p>The service URL must be an HTTP URL exposing an HTTP invoker service.
 * Optionally, a codebase URL can be specified for on-demand dynamic code download
 * from a remote location. For details, see HttpInvokerClientInterceptor docs.
 *
 * <p>Serializes remote invocation objects and deserializes remote invocation
 * result objects. Uses Java serialization just like RMI, but provides the
 * same ease of setup as Caucho's HTTP-based Hessian and Burlap protocols.
 *
 * <p>HTTP invoker is the recommended protocol for Java-to-Java remoting.
 * It is more powerful and more extensible than Hessian and Burlap, at the
 * expense of being tied to Java. Nevertheless, it is as easy to set up as
 * Hessian and Burlap, which is its main advantage compared to RMI.
 *
 * @author Juergen Hoeller
 * @since 1.1
 * @see #setServiceInterface
 * @see #setServiceUrl
 * @see #setCodebaseUrl
 * @see HttpInvokerClientInterceptor
 * @see HttpInvokerServiceExporter
 * @see org.springframework.remoting.rmi.RmiProxyFactoryBean
 * @see org.springframework.remoting.caucho.HessianProxyFactoryBean
 * @see org.springframework.remoting.caucho.BurlapProxyFactoryBean
 */
public class HttpInvokerProxyFactoryBean extends HttpInvokerClientInterceptor
		implements FactoryBean {

	private Object serviceProxy;


	public void afterPropertiesSet() {
		super.afterPropertiesSet();
		if (getServiceInterface() == null) {
			throw new IllegalArgumentException("Property 'serviceInterface' is required");
		}
		this.serviceProxy = new ProxyFactory(getServiceInterface(), this).getProxy(getBeanClassLoader());
	}


	public Object getObject() {
		return this.serviceProxy;
	}

	public Class getObjectType() {
		return getServiceInterface();
	}

	public boolean isSingleton() {
		return true;
	}

}