获得姓名首字母的类

获得姓名首字母的类

package com.scs.common.function;

public class GetCh2Spell {
  public static int compare(String str1, String str2) {
    int result = 0;
    String m_s1 = null;
    String m_s2 = null;
    try {
      m_s1 = new String(str1.getBytes(_FromEncode_), _ToEncode_);
      m_s2 = new String(str2.getBytes(_FromEncode_), _ToEncode_);
    }
    catch (Exception e) {
      return str1.compareTo(str2);
    }
    result = chineseCompareTo(m_s1, m_s2);
    return result;
  }

  public static int getCharCode(String s) {
    if (s == null && s.equals("")) {
      return -1;
    }
    byte b[] = s.getBytes();
    int value = 0;
    for (int i = 0; i < b.length && i <= 2; i++) {
      value = value * 100 + b[i];
    }

    return value;
  }

  public static int chineseCompareTo(String s1, String s2) {
    int len1 = s1.length();
    int len2 = s2.length();
    int n = Math.min(len1, len2);
    for (int i = 0; i < n; i++) {
      int s1_code = getCharCode(s1.charAt(i) + "");
      int s2_code = getCharCode(s2.charAt(i) + "");
      if (s1_code * s2_code < 0) {
        return Math.min(s1_code, s2_code);
      }
      if (s1_code != s2_code) {
        return s1_code - s2_code;
      }
    }

    return len1 - len2;
  }

  public static String getBeginCharacter(String res) {
    String a = res;
    String result = "";
    for (int i = 0; i < a.length(); i++) {
      String current = a.substring(i, i + 1);
      if (compare(current, "\u554A") < 0) {
        result = result + current;
      }
      else
      if (compare(current, "\u554A") >= 0 &&
          compare(current, "\u5EA7") <= 0) {
        if (compare(current, "\u531D") >= 0) {
          result = result + "z";
        }
        else
        if (compare(current, "\u538B") >= 0) {
          result = result + "y";
        }
        else
        if (compare(current, "\u6614") >= 0) {
          result = result + "x";
        }
        else
        if (compare(current, "\u6316") >= 0) {
          result = result + "w";
        }
        else
        if (compare(current, "\u584C") >= 0) {
          result = result + "t";
        }
        else
        if (compare(current, "\u6492") >= 0) {
          result = result + "s";
        }
        else
        if (compare(current, "\u7136") >= 0) {
          result = result + "r";
        }
        else
        if (compare(current, "\u671F") >= 0) {
          result = result + "q";
        }
        else
        if (compare(current, "\u556A") >= 0) {
          result = result + "p";
        }
        else
        if (compare(current, "\u54E6") >= 0) {
          result = result + "o";
        }
        else
        if (compare(current, "\u62FF") >= 0) {
          result = result + "n";
        }
        else
        if (compare(current, "\u5988") >= 0) {
          result = result + "m";
        }
        else
        if (compare(current, "\u5783") >= 0) {
          result = result + "l";
        }
        else
        if (compare(current, "\u5580") >= 0) {
          result = result + "k";
        }
        else
        if (compare(current, "\u51FB") > 0) {
          result = result + "j";
        }
        else
        if (compare(current, "\u54C8") >= 0) {
          result = result + "h";
        }
        else
        if (compare(current, "\u5676") >= 0) {
          result = result + "g";
        }
        else
        if (compare(current, "\u53D1") >= 0) {
          result = result + "f";
        }
        else
        if (compare(current, "\u86FE") >= 0) {
          result = result + "e";
        }
        else
        if (compare(current, "\u642D") >= 0) {
          result = result + "d";
        }
        else
        if (compare(current, "\u64E6") >= 0) {
          result = result + "c";
        }
        else
        if (compare(current, "\u82AD") >= 0) {
          result = result + "b";
        }
        else
        if (compare(current, "\u554A") >= 0) {
          result = result + "a";
        }
      }
    }

    return result;
  }

  public static String getFirstStr(String str) {
    String temp = "";

    for (int i = 0; i < str.length(); i++) {
      String sss = "";
      char a = str.charAt(i);
      char aa[] = {
          a
      };
      sss = new String(aa);
      if (Character.isDigit(aa[0])) {
        sss = "data";
      }
      else
      if (a >= 'a' && a <= 'z' || a >= 'A' && a <= 'Z') {
        sss = "character";
      }
      else {
        sss = getBeginCharacter(sss);
      }
      temp = temp + sss;
    }

    return temp;
  }

  private static String _FromEncode_ = "GBK";
  private static String _ToEncode_ = "GBK";
}
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