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package gov.samhsa.acs.contexthandler;
import gov.samhsa.acs.common.dto.XacmlRequest;
import gov.samhsa.acs.common.exception.DS4PException;
import gov.samhsa.acs.common.log.AcsLogger;
import gov.samhsa.acs.common.log.AcsLoggerFactory;
import gov.samhsa.acs.contexthandler.exception.NoPolicyFoundException;
import gov.samhsa.acs.contexthandler.exception.PolicyProviderException;
import gov.samhsa.acs.polrep.client.PolRepRestClient;
import gov.samhsa.acs.polrep.client.PolicyCombiningAlgIds;
import gov.samhsa.acs.polrep.client.dto.PolicyDto;
import gov.samhsa.consent2share.hl7.Hl7v3Transformer;
import gov.samhsa.consent2share.hl7.Hl7v3TransformerException;
import gov.samhsa.consent2share.pixclient.service.PixManagerService;
import gov.samhsa.consent2share.pixclient.util.PixManagerBean;
import gov.samhsa.consent2share.pixclient.util.PixManagerConstants;
import gov.samhsa.consent2share.pixclient.util.PixManagerMessageHelper;
import gov.samhsa.consent2share.pixclient.util.PixManagerRequestXMLToJava;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.UUID;
import javax.xml.bind.JAXBException;
import org.herasaf.xacml.core.SyntaxException;
import org.herasaf.xacml.core.policy.Evaluatable;
import org.herasaf.xacml.core.policy.PolicyMarshaller;
import org.hl7.v3.types.PRPAIN201309UV02;
import org.hl7.v3.types.PRPAIN201310UV02;
import org.springframework.web.client.HttpStatusCodeException;
/**
* The Class PolRepPolicyProvider.
*/
public class PolRepPolicyProvider implements PolicyProvider {
/** The Constant WILDCARD. */
private static final String WILDCARD = "*";
/** The Constant DELIMITER_AMPERSAND. */
private static final String DELIMITER_AMPERSAND = "&";
/** The Constant DELIMITER_COLON. */
private static final String DELIMITER_COLON = ":";
/** The logger. */
private final AcsLogger logger = AcsLoggerFactory
.getLogger(this.getClass());
/** The pid domain. */
private final String pidDomain;
/** The pid domain type. */
private final String pidDomainType;
/** The hl7v3 transformer. */
private final Hl7v3Transformer hl7v3Transformer;
/** The request xml to java. */
private final PixManagerRequestXMLToJava requestXMLToJava;
/** The pix manager message helper. */
private final PixManagerMessageHelper pixManagerMessageHelper;
/** The pix manager service. */
private final PixManagerService pixManagerService;
/** The pol rep rest client. */
private final PolRepRestClient polRepRestClient;
/**
* Instantiates a new pol rep policy provider.
*
* @param pidDomain
* the pid domain
* @param pidDomainType
* the pid domain type
* @param hl7v3Transformer
* the hl7v3 transformer
* @param requestXMLToJava
* the request xml to java
* @param pixManagerMessageHelper
* the pix manager message helper
* @param pixManagerService
* the pix manager service
* @param polRepRestClient
* the pol rep rest client
*/
public PolRepPolicyProvider(String pidDomain, String pidDomainType,
Hl7v3Transformer hl7v3Transformer,
PixManagerRequestXMLToJava requestXMLToJava,
PixManagerMessageHelper pixManagerMessageHelper,
PixManagerService pixManagerService,
PolRepRestClient polRepRestClient) {
super();
this.pidDomain = pidDomain;
this.pidDomainType = pidDomainType;
this.hl7v3Transformer = hl7v3Transformer;
this.requestXMLToJava = requestXMLToJava;
this.pixManagerMessageHelper = pixManagerMessageHelper;
this.pixManagerService = pixManagerService;
this.polRepRestClient = polRepRestClient;
}
/*
* (non-Javadoc)
*
* @see
* gov.samhsa.acs.contexthandler.PolicyProvider#getPolicies(gov.samhsa.acs
* .common.dto.XacmlRequest)
*/
@Override
public List<Evaluatable> getPolicies(XacmlRequest xacmlRequest)
throws NoPolicyFoundException, PolicyProviderException {
try {
final String eid = xacmlRequest.getPatientId();
final String eidDomain = xacmlRequest.getHomeCommunityId();
final String mrn = getMrn(eid, eidDomain);
final String policyId = toPolicyId(mrn, pidDomain,
xacmlRequest.getRecipientSubjectNPI(),
xacmlRequest.getIntermediarySubjectNPI());
final PolicyDto policyDto = polRepRestClient
.getPoliciesCombinedAsPolicySet(policyId, WILDCARD, UUID
.randomUUID().toString(),
PolicyCombiningAlgIds.DENY_OVERRIDES);
final Evaluatable policySet = PolicyMarshaller
.unmarshal(new ByteArrayInputStream(policyDto.getPolicy()));
return Arrays.asList(policySet);
} catch (final SyntaxException e) {
logger.error(xacmlRequest.getMessageId(), e.getMessage(), e);
throw new PolicyProviderException(e.getMessage(), e);
} catch (final HttpStatusCodeException e) {
logger.error(xacmlRequest.getMessageId(), e.getMessage(), e);
if (e.getStatusCode().is4xxClientError()) {
logger.info(xacmlRequest.getMessageId(), e.getMessage());
throw new NoPolicyFoundException(e.getMessage(), e);
} else {
throw new PolicyProviderException(e.getMessage(), e);
}
}
}
/**
* Gets the mrn.
*
* @param eid
* the eid
* @param eidDomain
* the eid domain
* @return the mrn
*/
private String getMrn(String eid, String eidDomain) {
PixManagerBean pixMgrBean = new PixManagerBean();
try {
final String hl7Query = hl7v3Transformer.getPixQueryXml(eid,
eidDomain, Hl7v3Transformer.XML_PIX_QUERY);
final PRPAIN201309UV02 request = requestXMLToJava
.getPIXQueryReqObject(hl7Query,
PixManagerConstants.ENCODE_STRING);
final PRPAIN201310UV02 response = pixManagerService
.pixManagerPRPAIN201309UV02(request);
pixMgrBean = pixManagerMessageHelper.getQueryMessage(response,
pixMgrBean);
return pixMgrBean.getQueryIdMap().get(pidDomain);
} catch (Hl7v3TransformerException | JAXBException | IOException e) {
pixManagerMessageHelper.getGeneralExpMessage(e, pixMgrBean,
PixManagerConstants.PIX_QUERY);
throw new DS4PException(e.getMessage(), e);
}
}
/**
* To policy id.
*
* @param pid
* the pid
* @param pidDomain
* the pid domain
* @param recipientSubjectNPI
* the recipient subject npi
* @param intermediarySubjectNPI
* the intermediary subject npi
* @return the string
*/
private String toPolicyId(String pid, String pidDomain,
String recipientSubjectNPI, String intermediarySubjectNPI) {
final StringBuilder policyIdBuilder = new StringBuilder();
policyIdBuilder.append(pid);
policyIdBuilder.append(DELIMITER_COLON);
policyIdBuilder.append(DELIMITER_AMPERSAND);
policyIdBuilder.append(pidDomain);
policyIdBuilder.append(DELIMITER_AMPERSAND);
policyIdBuilder.append(pidDomainType);
policyIdBuilder.append(DELIMITER_COLON);
policyIdBuilder.append(recipientSubjectNPI);
policyIdBuilder.append(DELIMITER_COLON);
policyIdBuilder.append(intermediarySubjectNPI);
policyIdBuilder.append(DELIMITER_COLON);
policyIdBuilder.append(WILDCARD);
return policyIdBuilder.toString();
}
}