public Map<String, Header> getChallenges(
final HttpHost authhost, final HttpResponse response, final HttpContext context)
throws MalformedChallengeException {
Args.notNull(response, "HTTP response");
final Header[] headers = response.getHeaders(this.headerName);
final Map<String, Header> map = new HashMap<String, Header>(headers.length);
for (final Header header : headers) {
final CharArrayBuffer buffer;
int pos;
if (header instanceof FormattedHeader) {
buffer = ((FormattedHeader) header).getBuffer();
pos = ((FormattedHeader) header).getValuePos();
} else {
final String s = header.getValue();
if (s == null) {
throw new MalformedChallengeException("Header value is null");
}
buffer = new CharArrayBuffer(s.length());
buffer.append(s);
pos = 0;
}
while (pos < buffer.length() && HTTP.isWhitespace(buffer.charAt(pos))) {
pos++;
}
final int beginIndex = pos;
while (pos < buffer.length() && !HTTP.isWhitespace(buffer.charAt(pos))) {
pos++;
}
final int endIndex = pos;
final String s = buffer.substring(beginIndex, endIndex);
map.put(s.toLowerCase(Locale.ENGLISH), header);
}
return map;
}
public boolean isAuthenticationRequested(
final HttpHost authhost, final HttpResponse response, final HttpContext context) {
Args.notNull(response, "HTTP response");
final int status = response.getStatusLine().getStatusCode();
return status == this.challengeCode;
}