Chinese first letter

public class Chinesechartoen {

Private final static int[] Li_secposvalue = {1601, 1637, 1833, 2078, 2274,
2302, 2433, 2594, 2787, 3106, 3212, 3472, 3635, 3722, 3730, 3858,
4027, 4086, 4390, 4558, 4684, 4925, 5249, 5590};
Private final static string[] Lc_firstletter = {"A", "B", "C", "D", "E",
"F", "G", "H", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "s",
"T", "W", "X", "Y", "Z"};

/**
* Get the first letter string of a given Chinese character string, that is, the initials string
* @param str Given string of Chinese characters
* @return Initials STRING
*/
public string Getallfirstletter (String str) {
if (str = = NULL | | Str.trim (). Length () = = 0) {
Return "";
}

String _str = "";
for (int i = 0; i < str.length (); i++) {
_str = _str + this.getfirstletter (str.substring (i, i + 1));
}

return _str;
}

/**
* Gets the first letter of the given Chinese character, that is, the initials
* @param Chinese the given Kanji
* @return The initials of the given Chinese character
/
public String Getfirstletter (String Chinese) {
if (Chinese = = NULL | | Chinese.trim (). Length () = = 0) {
return "";
}
Chinese = this.conversionstr (Chinese, "GB2312", "iso8859-1");

if (Chinese.length () > 1)//judgment is not kanji
{
int li_sectorcode = (int) chinese.charat (0); Chinese character Area code
int li_positioncode = (int) chinese.charat (1); Chinese character bit code
Li_sectorcode = li_sectorcode-160;
Li_positioncode = li_positioncode-160;
int Li_secposcode = Li_sectorcode * + li_positioncode; Chinese character Location Code
if (Li_secposcode > && Li_secposcode < 5590) {
for (int i = 0; i < i++) {
if (Li_secposcode >= li_secposvalue[i]
&& Li_secposcode < Li_secposvalue[i + 1]) {
Chinese = lc_firstletter[i];
Break
}
}
} else//non-kanji character, form symbol or ASCII code
{
Chinese = this.conversionstr (Chinese, "iso8859-1", "GB2312");
Chinese = chinese.substring (0, 1);
}
}

return Chinese;
}

/**
* String Encoding Conversion
* @param STR to convert the encoded string
* @param charsetname The original code
* @param tocharsetname converted Encoding
* @return The converted string after encoding
*/
private string Conversionstr (String str, string charsetname,string tocharsetname) {
try {
str = new String (Str.getbytes (CharsetName), tocharsetname);
} catch (Unsupportedencodingexception ex) {
SYSTEM.OUT.PRINTLN ("String encoding Conversion Exception:" + Ex.getmessage ());
}
return str;
}

public static void Main (string[] args) {
Chinesechartoen CTE = new Chinesechartoen ();
System.out.println ("Get Pinyin initials:" + Cte.getallfirstletter ("West Glass Village Committee"));
}

}

Chinese first letter