super(header);
}
@Override
public ChallengeRequest readValue() throws IOException {
ChallengeRequest result = null;
// The challenge is that this header is a comma separated lst of
// challenges, and that each challenges is also a comma separated list,
// but of parameters.
skipSpaces();
if (peek() != -1) {
String scheme = readToken();
result = new ChallengeRequest(new ChallengeScheme("HTTP_" + scheme,
scheme));
skipSpaces();
// Header writer that will reconstruct the raw value of a challenge.
HeaderWriter<Parameter> w = new HeaderWriter<Parameter>() {
@Override
public HeaderWriter<Parameter> append(Parameter value) {
appendExtension(value);
return this;
}
};
boolean stop = false;
while (peek() != -1 && !stop) {
boolean sepSkipped = skipValueSeparator();
// Record the start of the segment
mark();
// Read a token and the next character.
readToken();
int nextChar = read();
reset();
if (isSpace(nextChar)) {
// A new scheme has been discovered.
stop = true;
} else {
// The next segment is considered as a parameter
if (sepSkipped) {
// Add the skipped value separator.
w.appendValueSeparator();
}
// Append the parameter
w.append(readParameter());
}
}
result.setRawValue(w.toString());
}
return result;
}