国产一级a片免费看高清,亚洲熟女中文字幕在线视频,黄三级高清在线播放,免费黄色视频在线看

 1 package com.tixa.wedding.util; 2  3 import java.io.Serializable; 4  5 public class Token implements Serializable { 6      7     /**  8     * @Fields serialVersionUID : TODO 9     */ 10     private static final long serialVersionUID = -754659525548951914L;11     private String signature;12     private long timestamp;13     14     public Token(String signature, long timestamp) {15         if (signature == null)16             throw new IllegalArgumentException("signature can not be null");17         18         this.timestamp = timestamp;19         this.signature = signature;20     }21     22     public Token(String signature) {23         if (signature == null)24             throw new IllegalArgumentException("signature can not be null");25         26         this.signature = signature;27     }28     29     /**30      * Returns a string containing the unique signatureentifier assigned to this token.31      */32     public String getSignature() {33         return signature;34     }35     36     public long getTimestamp() {37         return timestamp;38     }39     40     /**41      * timestamp 不予考慮, 因?yàn)榫退?timestamp 不同也認(rèn)為是相同的 token.42      */43     public int hashCode() {44         return signature.hashCode();45     }46     47     public boolean equals(Object object) {48         if (object instanceof Token)49             return ((Token)object).signature.equals(this.signature);50         return false;51     }52 53     @Override54     public String toString() {55         return "Token [signature=" + signature + ", timestamp=" + timestamp56                 + "]";57     }58     59     60 }

  1 package com.tixa.wedding.util;  2   3 import java.security.MessageDigest;  4 import java.util.Calendar;  5 import java.util.Date;  6 import java.util.HashMap;  7 import java.util.Map;  8 import java.util.Map.Entry;  9 import java.util.concurrent.Executors; 10 import java.util.concurrent.ScheduledExecutorService; 11 import java.util.concurrent.TimeUnit; 12  13 import org.apache.log4j.Logger; 14  15  16  17 public class TokenUtil { 18  19     private static final int INTERVAL = 7;// token過期時(shí)間間隔 天 20     private static final String YAN = "testMRf1$789787aadfjkds//*-+'[]jfeu;384785*^*&%^%$%";// 加鹽 21     private static final int HOUR = 3;// 檢查token過期線程執(zhí)行時(shí)間 時(shí) 22      23     private static Logger logger = Logger.getLogger("visit"); 24  25     private static Map<Integer, Token> tokenMap = new HashMap<Integer, Token>(); 26     private static TokenUtil tokenUtil = null; 27     static ScheduledExecutorService scheduler =Executors.newSingleThreadScheduledExecutor();  28  29     static { 30         logger.info("\n===============進(jìn)入TokenUtil靜態(tài)代碼塊=================="); 31         listenTask(); 32     } 33      34  35     public static TokenUtil getTokenUtil() { 36         if (tokenUtil == null) { 37             synInit(); 38         } 39  40         return tokenUtil; 41     } 42  43     private static synchronized void synInit() { 44         if (tokenUtil == null) { 45             tokenUtil = new TokenUtil(); 46         } 47     } 48  49     public TokenUtil() { 50     } 51      52      53  54     public static Map<Integer, Token> getTokenMap() { 55         return tokenMap; 56     } 57  58     /** 59      * 產(chǎn)生一個(gè)token 60      */ 61     public static Token generateToken(String uniq,int id) { 62         Token token = new Token(MD5(System.currentTimeMillis()+YAN+uniq+id), System.currentTimeMillis()); 63         synchronized (tokenMap) { 64             tokenMap.put(id, token); 65         } 66         return token; 67     } 68  69  70     /** 71      * @Title: removeToken 72      * @Description: 去除token 73      * @param @param nonce 74      * @param @return 參數(shù) 75      * @return boolean 返回類型 76      */ 77     public static boolean removeToken(int id) { 78         synchronized (tokenMap) { 79             tokenMap.remove(id); 80             logger.info(tokenMap.get(id) == null ? "\n=========已注銷========": "\n++++++++注銷失敗+++++++++++++++"); 81         } 82         return true; 83     } 84  85     /** 86      * @Title: volidateToken 87      * @Description: 校驗(yàn)token 88      * @param @param signature 89      * @param @param nonce 90      * @param @return 參數(shù) 91      * @return boolean 返回類型 92      */ 93     public static boolean volidateToken(String signature, int id) { 94         boolean flag = false; 95         Token token = (Token) tokenMap.get(id); 96         if (token != null && token.getSignature().equals(signature)) { 97             logger.info("\n=====已在線======="); 98             flag = true; 99         }100 101         return flag;102     }103     104     /**105      * 106      * @Title: MD5107      * @Description: 加密108      * @param @param s109      * @param @return 參數(shù)110      * @return String 返回類型111      */112     public final static String MD5(String s) {113         try {114             byte[] btInput = s.getBytes();115             // 獲得MD5摘要算法的 MessageDigest 對(duì)象116             MessageDigest mdInst = MessageDigest.getInstance("MD5");117             // 使用指定的字節(jié)更新摘要118             mdInst.update(btInput);119             // 獲得密文120             return byte2hex(mdInst.digest());121         } catch (Exception e) {122             e.printStackTrace();123             return null;124         }125     }126 127     /**128      * 將字節(jié)數(shù)組轉(zhuǎn)換成16進(jìn)制字符串129      * @param b130      * @return131      */132     private static String byte2hex(byte[] b) {133         StringBuilder sbDes = new StringBuilder();134         String tmp = null;135         for (int i = 0; i < b.length; i++) {136             tmp = (Integer.toHexString(b[i] & 0xFF));137             if (tmp.length() == 1) {138                 sbDes.append("0");139             }140             sbDes.append(tmp);141         }142         return sbDes.toString();143     }144     145     /**146     * @Title: listenTask 147     * @Description: 定時(shí)執(zhí)行token過期清除任務(wù)148     * @param     參數(shù)149     * @return void    返回類型150      */151     public static void listenTask(){152         Calendar calendar = Calendar.getInstance();153         int year = calendar.get(Calendar.YEAR);154         int month = calendar.get(Calendar.MONTH);155         int day = calendar.get(Calendar.DAY_OF_MONTH);156         //定制每天的HOUR點(diǎn)，從明天開始157         calendar.set(year, month, day+1, HOUR, 0, 0);158        // calendar.set(year, month, day, 17, 11, 40);159         Date date = calendar.getTime();160         161         scheduler.scheduleAtFixedRate( new ListenToken(), (date.getTime()-System.currentTimeMillis())/1000, 60*60*24, TimeUnit.SECONDS);162     }163     164     165 166     /**167      * @ClassName: ListenToken168      * @Description: 監(jiān)聽token過期線程runnable實(shí)現(xiàn)169      * @author mrf170      * @date 2015-10-21 下午02:22:24171      * 172      */173     static class ListenToken implements Runnable {174         public ListenToken() {175             super();176         }177 178         public void run() {179             logger.info("\n**************************執(zhí)行監(jiān)聽token列表****************************");180             try {181                 synchronized (tokenMap) {182                     for (int i = 0; i < 5; i++) {183                         if (tokenMap != null && !tokenMap.isEmpty()) {184                             for (Entry<Integer, Token> entry : tokenMap.entrySet()) {185                                 Token token = (Token) entry.getValue();186                                 logger.info("\n==============已登錄用戶有："+entry + "=====================");187 //                            try {Thread.sleep(1000);} catch (InterruptedException e) {e.printStackTrace();}188                                 int interval = (int) ((System.currentTimeMillis() - token.getTimestamp()) / 1000 / 60 / 60 / 24);189                                 if (interval > INTERVAL) {190                                     tokenMap.remove(entry.getKey());191                                     logger.info("\n==============移除token：" + entry+ "=====================");192                                 }193 194                             }195                         }196                     }197                     198                 }199             } catch (Exception e) {200                 logger.error("token監(jiān)聽線程錯(cuò)誤："+e.getMessage());201                 e.printStackTrace();202             }203         }204     }205     206      207 208     public static void main(String[] args) {209         System.out.println(generateToken( "s",1));210         System.out.println(generateToken( "q",1));211         System.out.println(generateToken( "s3",2));212         System.out.println(generateToken( "s4",3));213         System.out.println(removeToken(3));214         System.out.println(getTokenMap());215     }216 217 }218 219