import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;


/**
* 身份證工具類
* 
* @author June
* @version 1.0,2014/5/21
*/
public class IdcardUtils{

    /** 中國公民身份證號碼最小長度。 */
    public static final int CHINA_ID_MIN_LENGTH = 15;

    /** 中國公民身份證號碼最大長度。 */
    public static final int CHINA_ID_MAX_LENGTH = 18;

    /** 省、直轄市程式碼表 */
    public static final String cityCode[] = {
            "11", "12", "13", "14", "15", "21", "22", "23", "31", "32", "33", "34", "35", "36", "37", "41",
            "42", "43", "44", "45", "46", "50", "51", "52", "53", "54", "61", "62", "63", "64", "65", "71",
            "81", "82", "91"
    };

    /** 每位加權因子 */
    public static final int power[] = {
            7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2
    };

    /** 第18位校檢碼 */
    public static final String verifyCode[] = {
            "1", "0", "X", "9", "8", "7", "6", "5", "4", "3", "2"
    };
    /** 最低年限 */
    public static final int MIN = 1930;
    public static Map<String, String> cityCodes = new HashMap<String, String>();
    /** 臺灣身份首字母對應數字 */
    public static Map<String, Integer> twFirstCode = new HashMap<String, Integer>();
    /** 香港身份首字母對應數字 */
    public static Map<String, Integer> hkFirstCode = new HashMap<String, Integer>();
    static {
      cityCodes.put("11", "北京");
      cityCodes.put("12", "天津");
      cityCodes.put("13", "河北");
      cityCodes.put("14", "山西");
      cityCodes.put("15", "內蒙古");
      cityCodes.put("21", "遼寧");
      cityCodes.put("22", "吉林");
      cityCodes.put("23", "黑龍江");
      cityCodes.put("31", "上海");
      cityCodes.put("32", "江蘇");
      cityCodes.put("33", "浙江");
      cityCodes.put("34", "安徽");
      cityCodes.put("35", "福建");
      cityCodes.put("36", "江西");
      cityCodes.put("37", "山東");
      cityCodes.put("41", "河南");
      cityCodes.put("42", "湖北");
      cityCodes.put("43", "湖南");
      cityCodes.put("44", "廣東");
      cityCodes.put("45", "廣西");
      cityCodes.put("46", "海南");
      cityCodes.put("50", "重慶");
      cityCodes.put("51", "四川");
      cityCodes.put("52", "貴州");
      cityCodes.put("53", "雲南");
      cityCodes.put("54", "西藏");
      cityCodes.put("61", "陝西");
      cityCodes.put("62", "甘肅");
      cityCodes.put("63", "青海");
      cityCodes.put("64", "寧夏");
      cityCodes.put("65", "新疆");
      cityCodes.put("71", "臺灣");
      cityCodes.put("81", "香港");
      cityCodes.put("82", "澳門");
      cityCodes.put("91", "國外");
      twFirstCode.put("A", 10);
      twFirstCode.put("B", 11);
      twFirstCode.put("C", 12);
      twFirstCode.put("D", 13);
      twFirstCode.put("E", 14);
      twFirstCode.put("F", 15);
      twFirstCode.put("G", 16);
      twFirstCode.put("H", 17);
      twFirstCode.put("J", 18);
      twFirstCode.put("K", 19);
      twFirstCode.put("L", 20);
      twFirstCode.put("M", 21);
      twFirstCode.put("N", 22);
      twFirstCode.put("P", 23);
      twFirstCode.put("Q", 24);
      twFirstCode.put("R", 25);
      twFirstCode.put("S", 26);
      twFirstCode.put("T", 27);
      twFirstCode.put("U", 28);
      twFirstCode.put("V", 29);
      twFirstCode.put("X", 30);
      twFirstCode.put("Y", 31);
      twFirstCode.put("W", 32);
      twFirstCode.put("Z", 33);
      twFirstCode.put("I", 34);
      twFirstCode.put("O", 35);
      hkFirstCode.put("A", 1);
      hkFirstCode.put("B", 2);
      hkFirstCode.put("C", 3);
      hkFirstCode.put("R", 18);
      hkFirstCode.put("U", 21);
      hkFirstCode.put("Z", 26);
      hkFirstCode.put("X", 24);
      hkFirstCode.put("W", 23);
      hkFirstCode.put("O", 15);
      hkFirstCode.put("N", 14);
    }

    /**
   * 將15位身份證號碼轉換為18位
   * 
   * @param idCard
   *            15位身份編碼
   * @return 18位身份編碼
   */
    public static String conver15CardTo18(String idCard) {
      String idCard18 = "";
      if (idCard.length() != CHINA_ID_MIN_LENGTH) {
            return null;
      }
      if (isNum(idCard)) {
            // 獲取出生年月日
            String birthday = idCard.substring(6, 12);
            Date birthDate = null;
            try {
                birthDate = new SimpleDateFormat("yyMMdd").parse(birthday);
            } catch (ParseException e) {
                e.printStackTrace();
            }
            Calendar cal = Calendar.getInstance();
            if (birthDate != null)
                cal.setTime(birthDate);
            // 獲取出生年(完全表現形式,如：2010)
            String sYear = String.valueOf(cal.get(Calendar.YEAR));
            idCard18 = idCard.substring(0, 6) + sYear + idCard.substring(8);
            // 轉換字元陣列
            char[] cArr = idCard18.toCharArray();
            if (cArr != null) {
                int[] iCard = converCharToInt(cArr);
                int iSum17 = getPowerSum(iCard);
                // 獲取校驗位
                String sVal = getCheckCode18(iSum17);
                if (sVal.length() > 0) {
                  idCard18 += sVal;
                } else {
                  return null;
                }
            }
      } else {
            return null;
      }
      return idCard18;
    }

    /**
   * 驗證身份證是否合法
   */
    public static boolean validateCard(String idCard) {
      String card = idCard.trim();
      if (validateIdCard18(card)) {
            return true;
      }
      if (validateIdCard15(card)) {
            return true;
      }
      String[] cardval = validateIdCard10(card);
      if (cardval != null) {
            if (cardval.equals("true")) {
                return true;
            }
      }
      return false;
    }

    /**
   * 驗證18位身份編碼是否合法
   * 
   * @param idCard 身份編碼
   * @return 是否合法
   */
    public static boolean validateIdCard18(String idCard) {
      boolean bTrue = false;
      if (idCard.length() == CHINA_ID_MAX_LENGTH) {
            // 前17位
            String code17 = idCard.substring(0, 17);
            // 第18位
            String code18 = idCard.substring(17, CHINA_ID_MAX_LENGTH);
            if (isNum(code17)) {
                char[] cArr = code17.toCharArray();
                if (cArr != null) {
                  int[] iCard = converCharToInt(cArr);
                  int iSum17 = getPowerSum(iCard);
                  // 獲取校驗位
                  String val = getCheckCode18(iSum17);
                  if (val.length() > 0) {
                        if (val.equalsIgnoreCase(code18)) {
                            bTrue = true;
                        }
                  }
                }
            }
      }
      return bTrue;
    }

    /**
   * 驗證15位身份編碼是否合法
   * 
   * @param idCard
   *            身份編碼
   * @return 是否合法
   */
    public static boolean validateIdCard15(String idCard) {
      if (idCard.length() != CHINA_ID_MIN_LENGTH) {
            return false;
      }
      if (isNum(idCard)) {
            String proCode = idCard.substring(0, 2);
            if (cityCodes.get(proCode) == null) {
                return false;
            }
            String birthCode = idCard.substring(6, 12);
            Date birthDate = null;
            try {
                birthDate = new SimpleDateFormat("yy").parse(birthCode.substring(0, 2));
            } catch (ParseException e) {
                e.printStackTrace();
            }
            Calendar cal = Calendar.getInstance();
            if (birthDate != null)
                cal.setTime(birthDate);
            if (!valiDate(cal.get(Calendar.YEAR), Integer.valueOf(birthCode.substring(2, 4)),
                  Integer.valueOf(birthCode.substring(4, 6)))) {
                return false;
            }
      } else {
            return false;
      }
      return true;
    }

    /**
   * 驗證10位身份編碼是否合法
   * 
   * @param idCard 身份編碼
   * @return 身份證資訊陣列
   *         <p>
   *          - 臺灣、澳門、香港 - 性別(男M,女F,未知N) - 是否合法(合法true,不合法false)
   *         若不是身份證件號碼則返回null
   *         </p>
   */
    public static String[] validateIdCard10(String idCard) {
      String[] info = new String;
      String card = idCard.replaceAll("[\\(|\\)]", "");
      if (card.length() != 8 && card.length() != 9 && idCard.length() != 10) {
            return null;
      }
      if (idCard.matches("^{9}$")) { // 臺灣
            info = "臺灣";
            System.out.println("11111");
            String char2 = idCard.substring(1, 2);
            if (char2.equals("1")) {
                info = "M";
                System.out.println("MMMMMMM");
            } else if (char2.equals("2")) {
                info = "F";
                System.out.println("FFFFFFF");
            } else {
                info = "N";
                info = "false";
                System.out.println("NNNN");
                return info;
            }
            info = validateTWCard(idCard) ? "true" : "false";
      } else if (idCard.matches("^{6}\\(?\\)?$")) { // 澳門
            info = "澳門";
            info = "N";
            // TODO
      } else if (idCard.matches("^{1,2}{6}\\(?\\)?$")) { // 香港
            info = "香港";
            info = "N";
            info = validateHKCard(idCard) ? "true" : "false";
      } else {
            return null;
      }
      return info;
    }

    /**
   * 驗證臺灣身份證號碼
   * 
   * @param idCard
   *            身份證號碼
   * @return 驗證碼是否符合
   */
    public static boolean validateTWCard(String idCard) {
      String start = idCard.substring(0, 1);
      String mid = idCard.substring(1, 9);
      String end = idCard.substring(9, 10);
      Integer iStart = twFirstCode.get(start);
      Integer sum = iStart / 10 + (iStart % 10) * 9;
      char[] chars = mid.toCharArray();
      Integer iflag = 8;
      for (char c : chars) {
            sum = sum + Integer.valueOf(c + "") * iflag;
            iflag--;
      }
      return (sum % 10 == 0 ? 0 : (10 - sum % 10)) == Integer.valueOf(end) ? true : false;
    }

    /**
   * 驗證香港身份證號碼(存在Bug，部份特殊身份證無法檢查)
   * <p>
   * 身份證前2位為英文字元，如果只出現一個英文字元則表示第一位是空格，對應數字58 前2位英文字元A-Z分別對應數字10-35
   * 最後一位校驗碼為0-9的數字加上字元"A"，"A"代表10
   * </p>
   * <p>
   * 將身份證號碼全部轉換為數字，分別對應乘9-1相加的總和，整除11則證件號碼有效
   * </p>
   * 
   * @param idCard 身份證號碼
   * @return 驗證碼是否符合
   */
    public static boolean validateHKCard(String idCard) {
      String card = idCard.replaceAll("[\\(|\\)]", "");
      Integer sum = 0;
      if (card.length() == 9) {
            sum = (Integer.valueOf(card.substring(0, 1).toUpperCase().toCharArray()) - 55) * 9
                  + (Integer.valueOf(card.substring(1, 2).toUpperCase().toCharArray()) - 55) * 8;
            card = card.substring(1, 9);
      } else {
            sum = 522 + (Integer.valueOf(card.substring(0, 1).toUpperCase().toCharArray()) - 55) * 8;
      }
      String mid = card.substring(1, 7);
      String end = card.substring(7, 8);
      char[] chars = mid.toCharArray();
      Integer iflag = 7;
      for (char c : chars) {
            sum = sum + Integer.valueOf(c + "") * iflag;
            iflag--;
      }
      if (end.toUpperCase().equals("A")) {
            sum = sum + 10;
      } else {
            sum = sum + Integer.valueOf(end);
      }
      return (sum % 11 == 0) ? true : false;
    }

    /**
   * 將字元陣列轉換成數字陣列
   * 
   * @param ca
   *            字元陣列
   * @return 數字陣列
   */
    public static int[] converCharToInt(char[] ca) {
      int len = ca.length;
      int[] iArr = new int;
      try {
            for (int i = 0; i < len; i++) {
                iArr = Integer.parseInt(String.valueOf(ca));
            }
      } catch (NumberFormatException e) {
            e.printStackTrace();
      }
      return iArr;
    }

    /**
   * 將身份證的每位和對應位的加權因子相乘之後，再得到和值
   * 
   * @param iArr
   * @return 身份證編碼。
   */
    public static int getPowerSum(int[] iArr) {
      int iSum = 0;
      if (power.length == iArr.length) {
            for (int i = 0; i < iArr.length; i++) {
                for (int j = 0; j < power.length; j++) {
                  if (i == j) {
                        iSum = iSum + iArr * power;
                  }
                }
            }
      }
      return iSum;
    }

    /**
   * 將power和值與11取模獲得餘數進行校驗碼判斷
   * 
   * @param iSum
   * @return 校驗位
   */
    public static String getCheckCode18(int iSum) {
      String sCode = "";
      switch (iSum % 11) {
      case 10:
            sCode = "2";
            break;
      case 9:
            sCode = "3";
            break;
      case 8:
            sCode = "4";
            break;
      case 7:
            sCode = "5";
            break;
      case 6:
            sCode = "6";
            break;
      case 5:
            sCode = "7";
            break;
      case 4:
            sCode = "8";
            break;
      case 3:
            sCode = "9";
            break;
      case 2:
            sCode = "x";
            break;
      case 1:
            sCode = "0";
            break;
      case 0:
            sCode = "1";
            break;
      }
      return sCode;
    }

    /**
   * 根據身份編號獲取年齡
   * 
   * @param idCard
   *            身份編號
   * @return 年齡
   */
    public static int getAgeByIdCard(String idCard) {
      int iAge = 0;
      if (idCard.length() == CHINA_ID_MIN_LENGTH) {
            idCard = conver15CardTo18(idCard);
      }
      String year = idCard.substring(6, 10);
      Calendar cal = Calendar.getInstance();
      int iCurrYear = cal.get(Calendar.YEAR);
      iAge = iCurrYear - Integer.valueOf(year);
      return iAge;
    }

    /**
   * 根據身份編號獲取生日
   * 
   * @param idCard 身份編號
   * @return 生日(yyyyMMdd)
   */
    public static String getBirthByIdCard(String idCard) {
      Integer len = idCard.length();
      if (len < CHINA_ID_MIN_LENGTH) {
            return null;
      } else if (len == CHINA_ID_MIN_LENGTH) {
            idCard = conver15CardTo18(idCard);
      }
      return idCard.substring(6, 14);
    }

    /**
   * 根據身份編號獲取生日年
   * 
   * @param idCard 身份編號
   * @return 生日(yyyy)
   */
    public static Short getYearByIdCard(String idCard) {
      Integer len = idCard.length();
      if (len < CHINA_ID_MIN_LENGTH) {
            return null;
      } else if (len == CHINA_ID_MIN_LENGTH) {
            idCard = conver15CardTo18(idCard);
      }
      return Short.valueOf(idCard.substring(6, 10));
    }

    /**
   * 根據身份編號獲取生日月
   * 
   * @param idCard
   *            身份編號
   * @return 生日(MM)
   */
    public static Short getMonthByIdCard(String idCard) {
      Integer len = idCard.length();
      if (len < CHINA_ID_MIN_LENGTH) {
            return null;
      } else if (len == CHINA_ID_MIN_LENGTH) {
            idCard = conver15CardTo18(idCard);
      }
      return Short.valueOf(idCard.substring(10, 12));
    }

    /**
   * 根據身份編號獲取生日天
   * 
   * @param idCard
   *            身份編號
   * @return 生日(dd)
   */
    public static Short getDateByIdCard(String idCard) {
      Integer len = idCard.length();
      if (len < CHINA_ID_MIN_LENGTH) {
            return null;
      } else if (len == CHINA_ID_MIN_LENGTH) {
            idCard = conver15CardTo18(idCard);
      }
      return Short.valueOf(idCard.substring(12, 14));
    }

    /**
   * 根據身份編號獲取性別
   * 
   * @param idCard 身份編號
   * @return 性別(M-男，F-女，N-未知)
   */
    public static String getGenderByIdCard(String idCard) {
      String sGender = "N";
      if (idCard.length() == CHINA_ID_MIN_LENGTH) {
            idCard = conver15CardTo18(idCard);
      }
      String sCardNum = idCard.substring(16, 17);
      if (Integer.parseInt(sCardNum) % 2 != 0) {
            sGender = "M";
      } else {
            sGender = "F";
      }
      return sGender;
    }

    /**
   * 根據身份編號獲取戶籍省份
   * 
   * @param idCard 身份編碼
   * @return 省級編碼。
   */
    public static String getProvinceByIdCard(String idCard) {
      int len = idCard.length();
      String sProvince = null;
      String sProvinNum = "";
      if (len == CHINA_ID_MIN_LENGTH || len == CHINA_ID_MAX_LENGTH) {
            sProvinNum = idCard.substring(0, 2);
      }
      sProvince = cityCodes.get(sProvinNum);
      return sProvince;
    }

    /**
   * 數字驗證
   * 
   * @param val
   * @return 提取的數字。
   */
    public static boolean isNum(String val) {
      return val == null || "".equals(val) ? false : val.matches("^*$");
    }

    /**
   * 驗證小於當前日期 是否有效
   * 
   * @param iYear
   *            待驗證日期(年)
   * @param iMonth
   *            待驗證日期(月 1-12)
   * @param iDate
   *            待驗證日期(日)
   * @return 是否有效
   */
    public static boolean valiDate(int iYear, int iMonth, int iDate) {
      Calendar cal = Calendar.getInstance();
      int year = cal.get(Calendar.YEAR);
      int datePerMonth;
      if (iYear < MIN || iYear >= year) {
            return false;
      }
      if (iMonth < 1 || iMonth > 12) {
            return false;
      }
      switch (iMonth) {
      case 4:
      case 6:
      case 9:
      case 11:
            datePerMonth = 30;
            break;
      case 2:
            boolean dm = ((iYear % 4 == 0 && iYear % 100 != 0) || (iYear % 400 == 0))
                  && (iYear > MIN && iYear < year);
            datePerMonth = dm ? 29 : 28;
            break;
      default:
            datePerMonth = 31;
      }
      return (iDate >= 1) && (iDate <= datePerMonth);
    }
}