/** return the name of the preferred scheme */
public String scheme() {
if (preferred != null) {
return preferred.findKey(0);
} else {
return null;
}
}
/* Iterate through each header line, and then within each line.
* If multiple entries exist for a particular scheme (unlikely)
* then the last one will be used. The
* preferred scheme that we support will be used.
*/
private void parse() {
Iterator iter = rsp.multiValueIterator(hdrname);
while (iter.hasNext()) {
String raw = (String) iter.next();
HeaderParser hp = new HeaderParser(raw);
Iterator keys = hp.keys();
int i, lastSchemeIndex;
for (i = 0, lastSchemeIndex = -1; keys.hasNext(); i++) {
keys.next();
if (hp.findValue(i) == null) {
/* found a scheme name */
if (lastSchemeIndex != -1) {
HeaderParser hpn = hp.subsequence(lastSchemeIndex, i);
String scheme = hpn.findKey(0);
schemes.put(scheme, new SchemeMapValue(hpn, raw));
}
lastSchemeIndex = i;
}
}
if (i > lastSchemeIndex) {
HeaderParser hpn = hp.subsequence(lastSchemeIndex, i);
String scheme = hpn.findKey(0);
schemes.put(scheme, new SchemeMapValue(hpn, raw));
}
}
/* choose the best of them */
SchemeMapValue v;
if ((v = (SchemeMapValue) schemes.get("digest")) == null) {
if (!NTLMAuthentication.isSupported()
|| ((v = (SchemeMapValue) schemes.get("ntlm")) == null)) {
v = (SchemeMapValue) schemes.get("basic");
}
}
if (v != null) {
preferred = v.parser;
preferred_r = v.raw;
;
}
}