Пример #1
1
 public void insertString(FilterBypass fb, int offset, String string, AttributeSet attr)
     throws BadLocationException {
   StringBuilder builder = new StringBuilder(string);
   for (int i = builder.length() - 1; i >= 0; i--) {
     int cp = builder.codePointAt(i);
     if (!Character.isDigit(cp) && cp != '-') {
       builder.deleteCharAt(i);
       if (Character.isSupplementaryCodePoint(cp)) {
         i--;
         builder.deleteCharAt(i);
       }
     }
   }
   super.insertString(fb, offset, builder.toString(), attr);
 }
 // 过滤整数字符,把所有非0~9的字符全部删除
 private void filterInt(StringBuilder builder) {
   for (int i = builder.length() - 1; i >= 0; i--) {
     int cp = builder.codePointAt(i);
     if (cp > '9' || cp < '0') {
       builder.deleteCharAt(i);
     }
   }
 }
Пример #3
1
 public static String concatSortedPercentEncodedParams(Map<String, String> params) {
   StringBuilder target = new StringBuilder();
   for (String key : params.keySet()) {
     target.append(key);
     target.append(PAIR_SEPARATOR);
     target.append(params.get(key));
     target.append(PARAM_SEPARATOR);
   }
   return target.deleteCharAt(target.length() - 1).toString();
 }