@Override
public PIPResponse getAttributes(PIPRequest pipRequest, PIPFinder pipFinder) throws PIPException {
String pipRequestKey = generateKey(pipRequest);
PIPResponse pipResponse = this.cache.get(pipRequestKey);
if (pipResponse != null) {
return pipResponse;
}
Attribute attributeMatch = this.findAttribute(pipRequest);
if (attributeMatch == null) {
return StdPIPResponse.PIP_RESPONSE_EMPTY;
}
/*
* Iterate through the values and only return the ones that match the requested data type
*/
List<AttributeValue<?>> matchingValues =
attributeMatch
.getValues()
.stream()
.filter(
attributeValue -> pipRequest.getDataTypeId().equals(attributeValue.getDataTypeId()))
.collect(Collectors.toList());
if (matchingValues.size() > 0) {
Attribute attributeResponse =
new StdMutableAttribute(
attributeMatch.getCategory(),
attributeMatch.getAttributeId(),
matchingValues,
attributeMatch.getIssuer(),
false);
pipResponse = new StdPIPResponse(attributeResponse);
this.cache.put(pipRequestKey, pipResponse);
}
return pipResponse;
}
protected static String generateKey(PIPRequest pipRequest) {
StringBuilder stringBuilder = new StringBuilder(pipRequest.getCategory().toString());
stringBuilder.append('+');
stringBuilder.append(pipRequest.getAttributeId());
stringBuilder.append('+');
stringBuilder.append(pipRequest.getDataTypeId());
String issuer = pipRequest.getIssuer();
if (issuer != null) {
stringBuilder.append('+');
stringBuilder.append(issuer);
}
return stringBuilder.toString();
}