commandproxy.java

一个java权限系统.主要使用j2ee框架实现.

/**
 *2007-7-23 上午10:40:04
 */
package com.wxd.common.popedom.domain.command;

import org.apache.log4j.Logger;

import com.wxd.common.popedom.domain.command.Command;

/**
 * <p>
 * Title: gzaic.gov.cn
 * </p>
 * <p>
 * Description: food project
 * </p>
 * <p>
 * Copyright: ChinaUIP Copyright (c) 2003 - 2007
 * </p>
 * 
 * @author <a href="mailto:[e-mail]">zhuwei </a>
 * @version 1.0
 */
public class CommandProxy implements Command {
	private CommandContext context;

	public static Logger log = Logger.getLogger(CommandProxy.class);
	private Command command;

	public CommandProxy(Command command) {
		this.command = command;
		this.context=command.getContext();
	}

	public void execute() {
		String result = "";
		beforeCommand();
		command.execute();
		refreshContext();
		afterCommand();
	}

	private void refreshContext() {
		context=command.getContext();
	}

	public void beforeCommand() {
		System.out.println("before commnad exectute");//do something
	}

	public void afterCommand() {
		System.out.println("after commnad exectute");//do something
	}

	public Command getCommand() {
		return command;
	}

	public void setCommand(Command command) {
		this.command = command;
	}

	public CommandContext getContext() {
		return context;
	}

	public void setContext(CommandContext context) {
		this.context = context;
	}

}