if (authheader.equalsIgnoreCase(AUTH.WWW_AUTH)) {
this.proxy = false;
} else if (authheader.equalsIgnoreCase(AUTH.PROXY_AUTH)) {
this.proxy = true;
} else {
throw new MalformedChallengeException("Unexpected header name: " + authheader);
}
CharArrayBuffer buffer;
int pos;
if (header instanceof FormattedHeader) {
buffer = ((FormattedHeader) header).getBuffer();
pos = ((FormattedHeader) header).getValuePos();
} else {
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++;
}
int beginIndex = pos;
while (pos < buffer.length() && !HTTP.isWhitespace(buffer.charAt(pos))) {
pos++;
}
int endIndex = pos;
String s = buffer.substring(beginIndex, endIndex);
if (!s.equalsIgnoreCase(getSchemeName())) {
throw new MalformedChallengeException("Invalid scheme identifier: " + s);
}
HeaderValueParser parser = BasicHeaderValueParser.DEFAULT;
ParserCursor cursor = new ParserCursor(pos, buffer.length());
HeaderElement[] elements = parser.parseElements(buffer, cursor);
if (elements.length == 0) {
throw new MalformedChallengeException("Authentication challenge is empty");
}
this.params = new HashMap<String, String>(elements.length);
for (int i = 0; i < elements.length; i++) {
HeaderElement element = elements[i];