ioinput.java

使用java rmi编写的一个议程服务系统

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

/**
 * 提供输入输出等操作，实现与用户的交互操作
 * @author Crise.Lee
 * @version 1.0
 */
public class IOInput {
	private String url,commLine;
	private Integer port;
	
	/**
	 * 输入一个绑定到URL
	 * @return
	 * @throws IOException
	 */
	 public String inputURL() throws IOException
	{
		System.out.print("请输入一个URL:");
		url=null;
		BufferedReader input=new BufferedReader(new InputStreamReader(System.in));
		try {
			url=input.readLine();
		} catch (IOException e) {
			//e.printStackTrace();
			throw new IOException("输入URL时候IO发生错误。。。"); 
			
		}
		return url;
	}
	
	/**
	 * 输入一条操作命令
	 * @return
	 * @throws IOException
	 */
	public String inputCommad() throws IOException
	{
		System.out.print("请输入一个操作命令：");
		commLine=null;
		BufferedReader input=new BufferedReader(new InputStreamReader(System.in));
		try {
			commLine=input.readLine();
		} catch (IOException e) {
			 // e.printStackTrace();
			 throw new IOException("输入操作的时候IO发生错误。。。"); 	
		}
		return commLine;
		     
	}
	
	/**
	 * 输入一个端口号
	 * @return
	 * @throws IOException
	 */
	public int inputPort() throws IOException
	{
		Boolean isnumber=true;
		port=0;
		BufferedReader input=new BufferedReader(new InputStreamReader(System.in));
		while(isnumber)
		{
			try {
				System.out.print("请输入一个端口号：");
				port=Integer.valueOf(input.readLine());
				isnumber=false;
			} catch (NumberFormatException e) {
				System.err.print("错误原因：输入的为非整数,请重新输入一个为整数的端口号：");
				input=new BufferedReader(new InputStreamReader(System.in));
				isnumber=true;
				//e.printStackTrace();
			}catch (IOException e) {
				//e.printStackTrace();
				throw new IOException("输入端口的时候IO发生错误。。。。");	
			}
		}
		return port;
	}
	/**
	 * 返回端口号
	 * @return
	 */
	/**public Integer getPort()
	{
		return port;
	}*/
}