protected boolean hasReturnRepresentation(List<Header> preferenceAppliedHeaders) {
for (Header h : preferenceAppliedHeaders) {
// Handle optional whitespace, quoted preference token values, and
// other tokens in the Preference-Applied response header.
if (h.getValue().matches("(^|[ ;])return *= *\"?representation\"?($|[ ;])")) {
return true;
}
}
return false;
}
@BeforeClass(alwaysRun = true)
public void determineOptions() {
String uri = getResourceUri();
if (StringUtils.isNotBlank(uri)) {
// Use HTTP OPTIONS, which MUST be supported by LDP servers, to determine what methods are
// supported on this container.
Response optionsResponse = buildBaseRequestSpecification().options(uri);
Headers headers = optionsResponse.getHeaders();
List<Header> allowHeaders = headers.getList(ALLOW);
for (Header allowHeader : allowHeaders) {
String allow = allowHeader.getValue();
if (allow != null) {
String[] methods = allow.split("\\s*,\\s*");
for (String method : methods) {
options.add(method);
}
}
}
}
}
// LinkDelegate doesn't handle this for us
protected List<String> splitLinks(Header linkHeader) {
final ArrayList<String> links = new ArrayList<>();
final String value = linkHeader.getValue();
// Track the beginning index for the current link-value.
int beginIndex = 0;
// Is the current char inside a URI-Reference?
boolean inUriRef = false;
// Split the string on commas, but only if not in a URI-Reference
// delimited by angle brackets.
for (int i = 0; i < value.length(); ++i) {
final char c = value.charAt(i);
if (c == ',' && !inUriRef) {
// Found a comma not in a URI-Reference. Split the string.
final String link = value.substring(beginIndex, i).trim();
links.add(link);
// Assign the next begin index for the next link.
beginIndex = i + 1;
} else if (c == '<') {
// Angle brackets are not legal characters in a URI, so they can
// only be used to mark the start and end of a URI-Reference.
// See http://tools.ietf.org/html/rfc3986#section-2
inUriRef = true;
} else if (c == '>') {
inUriRef = false;
}
}
// There should be one more link in the string.
final String link = value.substring(beginIndex, value.length()).trim();
links.add(link);
return links;
}
