romulusnetprotocol.java

《Java案例开发》源代码( 考勤系统的完整实现！） 包括数据库 网络通讯＆uml

/*
 * RomulusNetProtocol.java
 *
 * Created on 2004年1月12日, 下午12:58
 */

package romulus.NET;

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

/**
 *
 * @author  Administrator
 * @version
 */
public class RomulusNetProtocol {
    
    //The filename stores Properties
    public final static String FileName = "RomulusNet.prop";
    
    //The Property Name for Server's Name
    public final static String AppServer = "Romulus Test Application Server";
    //The Property Name for Server Address
    public final static String AppServerAddr = "Server_Address";
    //The Property Name for Server Port
    public final static String AppServerPort = "Server_Port";
    //The Property Name for Maximum Listening Queue Length
    public final static String AppServerQueueLength = "Server_QueueLength";
    
    //The Property Name for Service Commands
    public final static String UserCheckCommands = "User Check";
    public final static String GetTestCommands = "Get Test";
    public final static String GradeTestCommands = "Grade Test";
    public final static String GetFullTestCommands = "Get Full Test";
    
    //Commands used in User Check
    public final static String UC_ServerAsk = "Check Information Needed";
    public final static String UC_ServerRetPass = "Pass";
    public final static String UC_ServerRetFail = "Fail";
    
    //Commands used in Get Initial Test and Get Full Test
    public final static String GT_ServerAsk = "Pass the TestNumber";
    
    //Commands used in Grade Test
    public final static String GDT_ServerAsk = "Pass the TestData";

    
    /** Creates new RomulusNetProtocol */
    private RomulusNetProtocol() {
    }
    
    //The method to get the properties
    public static Properties getRomulusNetProtocolProperties() throws IOException{
        Properties ret = new Properties();
        FileInputStream in = new FileInputStream(FileName);
        ret.load(in);
        in.close();
        return ret;
    }
    
    //get info
    //"name|pass|test" to {"name", "pass", "test"}
    public static String[] getInfo(String info){
        String[] ret = new String[3];
        
        int beg = 0;
        int end = info.indexOf('|', beg);
        ret[0]= info.substring(beg, end);
        
        beg = end+1;
        end = info.indexOf('|', beg);
        ret[1]= info.substring(beg, end);
        
        beg = end+1;
        ret[2] = info.substring(beg);
        
        return ret;
    }
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        Properties defaultProps = new Properties();
        
        defaultProps.put(RomulusNetProtocol.AppServer, RomulusNetProtocol.AppServer);
        defaultProps.put(RomulusNetProtocol.AppServerAddr, "localhost");
        defaultProps.put(RomulusNetProtocol.AppServerPort, "1228");
        defaultProps.put(RomulusNetProtocol.AppServerQueueLength, "20");
        
        defaultProps.put(RomulusNetProtocol.UserCheckCommands, RomulusNetProtocol.UserCheckCommands);
        defaultProps.put(RomulusNetProtocol.GetFullTestCommands, RomulusNetProtocol.GetFullTestCommands);
        defaultProps.put(RomulusNetProtocol.GetTestCommands, RomulusNetProtocol.GetTestCommands);
        defaultProps.put(RomulusNetProtocol.GradeTestCommands, RomulusNetProtocol.GradeTestCommands);
        
        defaultProps.put(RomulusNetProtocol.UC_ServerAsk, RomulusNetProtocol.UC_ServerAsk);
        defaultProps.put(RomulusNetProtocol.UC_ServerRetFail, RomulusNetProtocol.UC_ServerRetFail);
        defaultProps.put(RomulusNetProtocol.UC_ServerRetPass, RomulusNetProtocol.UC_ServerRetPass);
        
        defaultProps.put(RomulusNetProtocol.GT_ServerAsk, RomulusNetProtocol.GT_ServerAsk);
        
        defaultProps.put(RomulusNetProtocol.GDT_ServerAsk, RomulusNetProtocol.GDT_ServerAsk);
        
        defaultProps.list(System.out);
        
        try{
            FileOutputStream out = new FileOutputStream(RomulusNetProtocol.FileName);
            defaultProps.store(out, "The Properties of Romulus Net Servieces");
            out.close();
        }
        catch(IOException e){
            e.printStackTrace();
        }
    }
    
}