truncate string in GBK - Android Internationalization

Android examples for Internationalization:Chinese

  1. HOME
  2. Android
  3. Internationalization
  4. Chinese

Description

truncate string in GBK

Demo Code

import java.io.UnsupportedEncodingException;

public class Main {

  public static String truncate(String str, int byteLength) {
    if (str == null || str.length() == 0) {
      return null;
    }/*from  w ww  .  j  ava 2  s  .  com*/
    if (byteLength < 0) {
      throw new IllegalArgumentException("Parameter byteLength must be great than 0");
    }
    int i = 0;
    int len = 0;
    int leng = 0;
    char[] chs = str.toCharArray();
    try {
      leng = str.getBytes("gbk").length;

    } catch (UnsupportedEncodingException e) {
      e.printStackTrace();
    }
    if (leng <= byteLength)
      return str;
    while ((len < byteLength) && (i < leng)) {
      len = (chs[i++] > 0xff) ? (len + 2) : (len + 1);
    }

    if (len > byteLength) {
      i--;
    }
    return new String(chs, 0, i) + "...";
  }

}

Related Tutorials