jqcreater.java

一个简单的程序稳操胜券用拖把有稳操胜券

/**
  * @(#)tools.IDCreater.java  2008-9-3  
  * Copy Right Information	: Tarena
  * Project					: JavaQQ
  * JDK version used		: jdk1.6.4
  * Comments				: JQ号生成器类。
  * Version					: 1.0
  * Sr	Date		Modified By		Why & What is modified
  * 1.	2008-9-3 	小猪     		新建
  **/
package tools;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.RandomAccessFile;
import java.io.Serializable;
import java.util.StringTokenizer;

import server.frm.Server;

 /**
 * JQ号生成器类。
 * 2008-9-3
 * @author		达内科技[Tarena Training Group]
 * @version	1.0
 * @since		JDK1.6(建议) 
 * @author		Administrator
 */
public class JQCreater {

	private String[] part = {"0","1","2","3","4","5","6","7","8","9","0"};
	private int minDigit;
	private int maxDigit;
	private String notAllowed;
	
	private String path = "jid.dat";
	
	public JQCreater(){
		minDigit = Integer.parseInt(Server.prop.getProperty(GetParameter.keys[1]));
		maxDigit = Integer.parseInt(Server.prop.getProperty(GetParameter.keys[2]));
		notAllowed = Server.prop.getProperty(GetParameter.keys[3]);
		
	}
	
	/**
	 * 返回保存JQ号码的文件。
	 * @return 返回保存JQ号码的文件。
	 * @throws FileNotFoundException
	 * @throws IOException
	 */
	private RandomAccessFile getFile() throws FileNotFoundException,IOException{
		RandomAccessFile raf = null;
		File file = new File(path);
		boolean isWrite = false;
		if(!file.exists()){
			file.createNewFile();
			isWrite = true;
		}
		raf = new RandomAccessFile(file,"rw");
		if(isWrite)
			raf.writeUTF("0\n");
		return raf;
	}
	
	/**
	 * 产生JQ号码
	 * @return 返回产生jqnum
	 * @throws FileNotFoundException
	 * @throws IOException
	 */
	public Integer createJQ() throws FileNotFoundException, IOException{
		String s = "";
		int num = 0;
		while(true){
			int n = RandomUtil.randomInt(minDigit, maxDigit);
			//System.out.println("位数:"+n);
			for(int i=0;i<n;i++)
				s += part[RandomUtil.randomInt(part.length)];
			num = Integer.parseInt(s);
			s = num+"";
			//System.out.println("生成的号码"+s);
			if(s.length()>=minDigit && isAllowed(num) && isAllowReged(num))
				break;
		}
		return num;
	}
	
	/**
	 * JQ号码是否为屏蔽的JQ号码。
	 * @param num JQ号码
	 * @return 返回是否为屏蔽的JQ号码。
	 */
	private boolean isAllowed(Integer num){
		StringTokenizer tokenizer = new StringTokenizer(notAllowed,";");
		while(tokenizer.hasMoreTokens()){
			Integer shieldjq = Integer.parseInt(tokenizer.nextToken());
			if(num==shieldjq)
				return false;
		}
		return true;
	}
	
	/**
	 * 返回允许注册否
	 * @param num JQ号码
	 * @return 返回允许注册否
	 * @throws FileNotFoundException
	 * @throws IOException
	 */
	private boolean isAllowReged(Integer num) throws FileNotFoundException, IOException{
		RandomAccessFile raf = getFile();
		String s;
		while((s=raf.readLine())!=null){
			if(s.indexOf(num+"")!=-1)
				return false;
		}
		return true;
	}
	
	/**
	 * 产生User用户ID
	 * @return 返回id
	 * @throws FileNotFoundException
	 * @throws IOException
	 */
	public Integer createID() throws FileNotFoundException, IOException{
		int id = -1;
		RandomAccessFile raf = getFile();
		String s = raf.readLine();
		
		if(s!=null){
			s = s.trim();
			id = Integer.parseInt(s)+1;
		}
			
		raf.close();
		return id;
	}
	
	/**
	 * 保存用户的id和JQ号码
	 * @param id 用户id
	 * @param num JQ号码
	 * @throws IOException
	 */
	public void saveIDJQ(int id,int num) throws IOException{
		RandomAccessFile raf = getFile();
		raf.writeUTF(id+":"+num+"\n");
		raf.close();
		raf = getFile();
		raf.seek(0);
		raf.writeUTF(id+"\n");
		raf.close();
	}
	
}