@Override
public void insertString(
DocumentFilter.FilterBypass fp, int offset, String string, AttributeSet aset)
throws BadLocationException {
Document doc = fp.getDocument();
String oldText = doc.getText(0, doc.getLength());
StringBuilder sb = new StringBuilder(oldText);
sb.insert(offset, string);
int len = string.length();
boolean isValidInteger = true;
for (int i = 0; i < len; i++) {
if (!Character.isDigit(string.charAt(i))) {
isValidInteger = false;
break;
}
}
if (isValidInteger && verifyText(sb.toString())) super.insertString(fp, offset, string, aset);
else Toolkit.getDefaultToolkit().beep();
}
@Override
public void insertString(
FilterBypass filterBypass, int offset, String text, AttributeSet attributeSet)
throws BadLocationException {
text = trimHexadecimal(text);
Document document = filterBypass.getDocument();
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.append(document.getText(0, document.getLength()));
stringBuilder.insert(offset, text);
if (isValidInput(stringBuilder.toString(), 0)) {
super.insertString(filterBypass, offset, text, attributeSet);
} else {
Toolkit.getDefaultToolkit().beep();
}
}