hessian的helloworld

最新推荐文章于 2018-06-20 16:30:00 发布

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本文介绍如何使用Hessian 3.1.5版本搭建一个简单的远程服务调用示例，包括服务端和客户端的实现过程。服务端通过继承HessianServlet并实现BasicAPI接口提供服务，客户端通过HessianProxyFactory进行远程调用。

参考http://hessian.caucho.com/#Examples
只使用hessian-3.1.5.jar
比如工程名Hessintest

package com.hao;

public interface BasicAPI {
	public String hello();
}

package com.hao;

import com.caucho.hessian.server.HessianServlet;

public class BasicService extends HessianServlet implements BasicAPI {
	private String _greeting = "Hello, world";

	public void setGreeting(String greeting) {
		_greeting = greeting;
	}

	public String hello() {
		return _greeting;
	}
}

import java.net.MalformedURLException;
import com.caucho.hessian.client.HessianProxyFactory;
public class TestClient {

	/**
	 * @param args
	 * @throws MalformedURLException 
	 */
	public static void main(String[] args) throws MalformedURLException {
		String url = "http://localhost/Hessintest/test/test";

		HessianProxyFactory factory = new HessianProxyFactory();
		BasicAPI basic = (BasicAPI) factory.create(BasicAPI.class, url);

		System.out.println("hello(): " + basic.hello());

	}
}

  <servlet>
    <servlet-name>test</servlet-name>
    <servlet-class>com.hao.BasicService</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>test</servlet-name>
    <url-pattern>/test/test</url-pattern>
  </servlet-mapping>