/**
* Clear the buffer and add its contents to the history.
*
* @return the former contents of the buffer.
*/
final String finishBuffer() {
String str = buf.buffer.toString();
// we only add it to the history if the buffer is not empty
// and if mask is null, since having a mask typically means
// the string was a password. We clear the mask after this call
if (str.length() > 0) {
if (mask == null && useHistory) {
history.addToHistory(str);
} else {
mask = null;
}
}
history.moveToEnd();
buf.buffer.setLength(0);
buf.cursor = 0;
return str;
}
