agendaservice.java

简单的会议议程系统,展示了Command 模式的应用

/*
 * @(#)AgendaService.java        2006/11/13
 *
 * Copyright (c) ZhiYang.
 * All rights reserved.
*/

import his.*;

/**
 * 议程会议管理系统入口
 * @version 1.0 10/15/2006
 * @author 杨智 (MSE2006B-06250145)
 *
 */

public class AgendaService implements UIMessager {
	
	public void print( String str ) {
		System.out.print(str);
	}

	public void println( String str ) {
		System.out.println(str);
	}
	
	public static void main(String[] args) {

		AgendaService as = new AgendaService();
		
		ServiceRequest rqst = new ConsoleServiceRequest( as );

		Command cmd = null;
		while ( true ) {		
			try {
				cmd = rqst.getNextCommand();
				
				if( null == cmd ) {
					// quit
					break;
				}
			
				cmd.execute();
			
			}
			catch( HISE.TryNextCommand e ) {
			}
			catch ( Exception e ) {
				as.println("unhandled exception: " + e.getMessage() );
			}
		}
		
	}	

}