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
 /**
  * @param source Source string
  * @param chars  Symbols to be trimmed
  * @return string without all specified chars at the end. For example,
  *         <code>chopTrailingChars("c:\\my_directory\\//\\",new char[]{'\\'}) is <code>"c:\\my_directory\\//"</code>,
  *         <code>chopTrailingChars("c:\\my_directory\\//\\",new char[]{'\\','/'}) is <code>"c:\my_directory"</code>.
  *         Actually this method can be used to normalize file names to chop trailing separator chars.
  */
 public static String chopTrailingChars(String source, char[] chars) {
   StringBuilder sb = new StringBuilder(source);
   while (true) {
     boolean atLeastOneCharWasChopped = false;
     for (int i = 0; i < chars.length && sb.length() > 0; i++) {
       if (sb.charAt(sb.length() - 1) == chars[i]) {
         sb.deleteCharAt(sb.length() - 1);
         atLeastOneCharWasChopped = true;
       }
     }
     if (!atLeastOneCharWasChopped) {
       break;
     }
   }
   return sb.toString();
 }