| Code with Finding: |
class JigsawHttpServletRequest {
/**
* Returns an <code>Enumeration</code> of <code>Locale</code> objects
* indicating, in decreasing order starting with the preferred locale, the
* locales that are acceptable to the client based on the Accept-Language
* header.
* If the client request doesn't provide an Accept-Language header,
* this method returns an <code>Enumeration</code> containing one
* <code>Locale</code>, the default locale for the server.
*
* @return an <code>Enumeration</code> of preferred
* <code>Locale</code> objects for the client
*/
public Enumeration getLocales() {
HttpAcceptLanguage languages[] = request.getAcceptLanguage();
if (languages == null) {
Vector def = new Vector();
def.addElement(Locale.getDefault());
return def.elements();
}
//LinkedList is better, but we must be JDK1.1 compliant
Vector locales = new Vector();
for (int i = 0 ; i < languages.length ; i++) {
HttpAcceptLanguage language = languages[i];
double quality = language.getQuality();
String lang = language.getLanguage();
String country = "";
int idx = lang.indexOf('-');
if (idx > -1) {
country = lang.substring(idx + 1).trim();
lang = lang.substring(0, idx).trim();
}
// insert the Locale in ordered list
int qidx = 0;
int size = locales.size();
if (size > 0) {
QLocale ql = (QLocale) locales.firstElement();
while ((qidx < size) && (ql.getLanguageQuality() >= quality)) {
try {
ql = (QLocale) locales.elementAt(++qidx);
} catch (ArrayIndexOutOfBoundsException ex) {
//end of vector, so append
}
}
locales.insertElementAt(new QLocale(lang, country, quality),
qidx);
} else {
locales.addElement(new QLocale(lang, country, quality));
}
}
// because Locale is final :(
int size = locales.size();
Vector vlocale = new Vector(size);
for (int i = 0 ; i < size ; i ++) {
vlocale.addElement(((QLocale)locales.elementAt(i)).getLocale());
}
return vlocale.elements();
}
}
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