// Returns true if a new template is created as opposed to reusing the existing template.
private boolean maybeCreateNewTemplate()
{
// When there are multiple available formats, the formatter uses the first format where a
// formatting template could be created.
Iterator <NumberFormat> it = possibleFormats.iterator();
while (it.hasNext())
{
NumberFormat numberFormat = it.next();
String pattern = numberFormat.getPattern();
if (currentFormattingPattern.equals(pattern))
{
return(false);
}
if (createFormattingTemplate(numberFormat))
{
currentFormattingPattern = pattern;
shouldAddSpaceAfterNationalPrefix =
NATIONAL_PREFIX_SEPARATORS_PATTERN.matcher(
numberFormat.getNationalPrefixFormattingRule()).find();
// With a new formatting template, the matched position using the old template needs to be
// reset.
lastMatchPosition = 0;
return(true);
}
else // Remove the current number format from possibleFormats.
{
it.remove();
}
}
ableToFormat = false;
return(false);
}
private boolean createFormattingTemplate(NumberFormat format)
{
String numberPattern = format.getPattern();
// The formatter doesn't format numbers when numberPattern contains "|", e.g.
// (20|3)\d{4}. In those cases we quickly return.
if (numberPattern.indexOf('|') != -1)
{
return(false);
}
// Replace anything in the form of [..] with \d
numberPattern = CHARACTER_CLASS_PATTERN.matcher(numberPattern).replaceAll("\\\\d");
// Replace any standalone digit (not the one in d{}) with \d
numberPattern = STANDALONE_DIGIT_PATTERN.matcher(numberPattern).replaceAll("\\\\d");
formattingTemplate.setLength(0);
String tempTemplate = getFormattingTemplate(numberPattern, format.getFormat());
if (tempTemplate.length() > 0)
{
formattingTemplate.append(tempTemplate);
return(true);
}
return(false);
}
private boolean createFormattingTemplate(NumberFormat format)
{
String numberPattern = format.getPattern();
// The formatter doesn't format numbers when numberPattern contains "|", e.g.
// (20|3)\d{4}. In those cases we quickly return.
if (numberPattern.indexOf('|') != -1) {
return false;
}
// Replace anything in the form of [..] with \d
numberPattern = CHARACTER_CLASS_PATTERN.matcher(numberPattern).replaceAll("\\\\d");
// Replace any standalone digit (not the one in d{}) with \d
numberPattern = STANDALONE_DIGIT_PATTERN.matcher(numberPattern).replaceAll("\\\\d");
formattingTemplate.setLength(0);
String tempTemplate = getFormattingTemplate(numberPattern, format.getFormat());
if (tempTemplate.length() > 0) {
formattingTemplate.append(tempTemplate);
return true;
}
return false;
}
