employprotocol.java

java应用开发详解

import java.net.*;
import java.io.*;
import java.util.*;

public class EmployProtocol {
    private static final int WAIT = 0;	
    private static final int REGISTER = 1;
    private static final int READY = 2;    
    private static final int ANSWER = 3;
    private static final int OUT = 4;
    private static final int END = 5;
     
    private int state = WAIT;

    private int currentQuestion = 0;
    private int score = 0;

   private String[] question = { 
    	"master java ? ", 
        "one year + experience ? ",        
        "master TCP/IP ? ", 
        "master jsp ? ", 
        "master servlet ? ", 
        "master ejb ? ", 
        "master IDE tools like visual caff... ?", 
        "master oracle database ?",
        "master middleware like weblogic… ?" };

    private int[]  right = {5,5,5,1,1,1,2,2,2};
                                
    private boolean[] must = {true,true,true,false,false,false,false,false,false};
    
    private Vector candidate = new Vector(); 
    
    

    public String judge(String theInput) 
    {
        String theOutput = null;

        if (state == WAIT) 
        {
            theOutput = "Register: please input your name. confirm it and Press enter key;";
            state = REGISTER;
        } 
        else if (state == REGISTER) 
        {	
            candidate.add(theInput);
            theOutput = "hint: you can only press Y or N after you read the question. ";
            state = READY;
        } 
        else if(state == READY) 
        {
            state = ANSWER; 
            theOutput = question[currentQuestion] + " [Y/N]"; 
            
        }
        else if(state == ANSWER) 
        {
            
            if(currentQuestion<question.length-1)
            theOutput = question[currentQuestion+1] + " [Y/N]";
            
            if(theInput.equalsIgnoreCase("Y")) 
            {	
            	score = score + right[currentQuestion];
            	
            	 if(currentQuestion==question.length-1) state = END;
            	 else currentQuestion=currentQuestion + 1;
            	 
            }
            else if(theInput.equalsIgnoreCase("N"))
            {
            	
            	if(must[currentQuestion]) state = OUT;
            	if(currentQuestion==question.length-1) state = END;
            	else currentQuestion=currentQuestion + 1;	
            }
            else if(theInput.equalsIgnoreCase("bye"))
            {           	
            }
            else
            {
            	theOutput = "you only need to anwer y or n";
            	state = READY;
            }
            

            
            if (state == OUT) 
            {
           	theOutput = "sorry you are not suit our require!!!";
           	state = WAIT;
           	score = 0;
           	currentQuestion = 0;
            }
            else if (state == END) 
            {
                theOutput = "Congratulation !! you are indeed we want,your evaluation  value is " + score;
                state = WAIT;
                score = 0;
                currentQuestion = 0;
            }
            
            
        }

        
        
        return theOutput;
    }
}