/**
* Constructs the URL used to obtain meta data for a given document type identifier of a given
* participant identifier.
*/
URL constructDocumentTypeURL(
ParticipantId participantId, PeppolDocumentTypeId documentTypeIdentifier) {
String scheme = ParticipantId.getScheme();
String value = participantId.stringValue();
String hostname = null;
String urlString = null;
try {
hostname = "B-" + Util.calculateMD5(value.toLowerCase()) + "." + scheme + "." + smlHost;
String encodedParticipant = URLEncoder.encode(scheme + "::" + value, "UTF-8");
String encodedDocumentId =
URLEncoder.encode(
PeppolDocumentTypeIdAcronym.getScheme() + "::" + documentTypeIdentifier.toString(),
"UTF-8");
urlString =
"http://" + hostname + "/" + encodedParticipant + "/services/" + encodedDocumentId;
return new URL(urlString);
} catch (MessageDigestException e) {
throw new IllegalStateException(
"Unable to calculate message digest for: "
+ participantId
+ ", doc.type:"
+ documentTypeIdentifier,
e);
} catch (UnsupportedEncodingException e) {
throw new IllegalStateException("Unable to encode _" + scheme + "::" + value, e);
} catch (MalformedURLException e) {
throw new IllegalArgumentException("Unable to create URL from string:" + urlString, e);
}
}
/**
* Retrieves an instance of the complete EndpointType for a given participant and the given
* document type identifier. Given by the following XPath:
*
* <pre>
* //ServiceMetadata/ServiceInformation/ProcessList/Process[0]/ServiceEndpointList/Endpoint[0]
* </pre>
*
* @param participant the participant identifier
* @param documentTypeIdentifier the document type identifier
* @return the JAXB generated EndpointType object
*/
private EndpointType getEndpointType(
ParticipantId participant, PeppolDocumentTypeId documentTypeIdentifier) {
try {
SignedServiceMetadataType serviceMetadata =
getServiceMetaData(participant, documentTypeIdentifier);
return selectOptimalEndpoint(serviceMetadata);
} catch (Exception e) {
String pid =
(participant == null)
? "participant missing"
: "for participant " + participant.toString();
String did =
(documentTypeIdentifier == null)
? "document type missing"
: "document type " + documentTypeIdentifier.toString();
throw new RuntimeException("Problem with SMP lookup " + pid + " and " + did, e);
}
}
/** Provides the end point data required for transmission of a message. */
@Override
public PeppolEndpointData getEndpointTransmissionData(
ParticipantId participantId, PeppolDocumentTypeId documentTypeIdentifier) {
EndpointType endpointType = getEndpointType(participantId, documentTypeIdentifier);
String transportProfile = endpointType.getTransportProfile();
String address = getEndPointUrl(endpointType);
X509Certificate x509Certificate = getX509CertificateFromEndpointType(endpointType);
try {
return new PeppolEndpointData(
new URL(address),
BusDoxProtocol.instanceFrom(transportProfile),
CommonName.valueOf(x509Certificate.getSubjectX500Principal()));
} catch (Exception e) {
throw new IllegalStateException(
"Unable to provide end point data for "
+ participantId
+ " for "
+ documentTypeIdentifier.toString());
}
}