public void setApplicationInteraction(
ICognitiveAgent agent, IApplicationInteraction interaction) {
INamedIndividual agentInd = findIndividualByUri(agent.getUri());
if (agentInd == null) {
agent.storeCognitiveAgent();
agentInd = findIndividualByUri(agent.getUri());
}
INamedIndividual interactionInd = findIndividualByUri(interaction.getUri());
if (interactionInd == null) {
interaction.storeApplicationInteraction();
interactionInd = findIndividualByUri(interaction.getUri());
}
IOntology onto = getAdaptationOntology();
if (onto instanceof SesameOntology) {
ValueFactory factory = ((SesameOntology) onto).getRepository().getValueFactory();
URI subject = factory.createURI(agentInd.getUri());
URI predicate = factory.createURI(getEntityUri(INVOLVED_IN));
URI object = factory.createURI(interactionInd.getUri());
try {
RepositoryConnection con = ((SesameOntology) onto).getRepository().getConnection();
try {
con.add(subject, predicate, object);
} finally {
con.close();
}
} catch (RepositoryException e) {
e.printStackTrace();
}
}
}
/** **********************INSTANCES************************ */
public Collection<String> getClassInstances(String className) {
Set<String> retInstances = new HashSet<>();
URI typeOfUri = this.repository.getValueFactory().createURI(typeOfUriAsText);
URI classUri = this.repository.getValueFactory().createURI(className);
try {
RepositoryConnection repoConn = this.repository.getConnection();
RepositoryResult<Statement> results =
repoConn.getStatements(null, typeOfUri, classUri, false);
while (results.hasNext()) {
retInstances.add(results.next().getSubject().stringValue());
}
repoConn.close();
} catch (RepositoryException ex) {
ex.printStackTrace();
}
URI owlTypeOfUri = this.repository.getValueFactory().createURI(owlInstanceUriAsText);
try {
RepositoryConnection repoConn = this.repository.getConnection();
RepositoryResult<Statement> results =
repoConn.getStatements(null, owlTypeOfUri, classUri, false);
while (results.hasNext()) {
retInstances.add(results.next().getSubject().stringValue());
}
repoConn.close();
} catch (RepositoryException ex) {
ex.printStackTrace();
}
return retInstances;
}
public void setCredentail(ICognitiveAgent agent, ICredential credential) {
INamedIndividual agentInd = findIndividualByUri(agent.getUri());
if (agentInd == null) {
agent.storeCognitiveAgent();
agentInd = findIndividualByUri(agent.getUri());
}
INamedIndividual credentialInd = findIndividualByUri(credential.getUri());
if (credentialInd == null) {
credential.storeCredential();
credentialInd = findIndividualByUri(credential.getUri());
}
IOntology onto = getAdaptationOntology();
if (onto instanceof SesameOntology) {
ValueFactory factory = ((SesameOntology) onto).getRepository().getValueFactory();
URI subject = factory.createURI(agentInd.getUri());
URI predicate = factory.createURI(getEntityUri(HAS_CREDENTIAL));
URI object = factory.createURI(credentialInd.getUri());
try {
RepositoryConnection con = ((SesameOntology) onto).getRepository().getConnection();
try {
con.add(subject, predicate, object);
} finally {
con.close();
}
} catch (RepositoryException e) {
e.printStackTrace();
}
}
}
// TODO : check this method (haven't check this due to the poor test ontology)
public Collection<String> getEquivalentProperties(String startingProperty) {
Set<String> equivalentProperties = new HashSet<>();
URI equivalentPropertyUri =
this.repository.getValueFactory().createURI(this.equivalentPropertyUriAsText);
URI propertyUri = this.repository.getValueFactory().createURI(startingProperty);
try {
RepositoryConnection repoConn = this.repository.getConnection();
RepositoryResult<Statement> results =
repoConn.getStatements(null, equivalentPropertyUri, propertyUri, false);
while (results.hasNext()) {
equivalentProperties.add(results.next().getSubject().stringValue());
}
repoConn.close();
} catch (RepositoryException ex) {
ex.printStackTrace();
}
try {
RepositoryConnection repoConn = this.repository.getConnection();
RepositoryResult<Statement> results =
repoConn.getStatements(propertyUri, equivalentPropertyUri, null, false);
while (results.hasNext()) {
equivalentProperties.add(results.next().getObject().stringValue());
}
repoConn.close();
} catch (RepositoryException ex) {
ex.printStackTrace();
}
return equivalentProperties;
}
private boolean isManaged(
RepositoryConnection conn, Resource subject, URI predicate, Value object, String operation) {
try {
if (conn.hasStatement(subject, predicate, object, true, managedContext)) {
// Ignore/Strip any triple that is already present in the mgmt-context (i.e. "unchanged"
// props).
if (log.isTraceEnabled()) {
log.trace(
"[{}] filtering out statement that is already present in the managed context: {}",
operation,
new StatementImpl(subject, predicate, object));
}
return true;
} else if (this.subject.equals(subject) && managedProperties.contains(predicate)) {
// We do NOT allow changing server-managed properties.
if (log.isTraceEnabled()) {
log.trace(
"[{}] filtering out statement with managed propterty {}: {}",
operation,
predicate,
new StatementImpl(subject, predicate, object));
}
deniedProperties.add(predicate);
return true;
}
} catch (RepositoryException e) {
log.error("Error while filtering server managed properties: {}", e.getMessage());
}
return false;
}
public Collection<String> getDisjointClasses(String startingClass) {
Set<String> disjointClasses = new HashSet<>();
URI disjointClassUri = this.repository.getValueFactory().createURI(this.disjointClassUriAsText);
URI classUri = this.repository.getValueFactory().createURI(startingClass);
try {
RepositoryConnection repoConn = this.repository.getConnection();
RepositoryResult<Statement> results =
repoConn.getStatements(null, disjointClassUri, classUri, false);
while (results.hasNext()) {
disjointClasses.add(results.next().getSubject().stringValue());
}
repoConn.close();
} catch (RepositoryException ex) {
ex.printStackTrace();
}
try {
RepositoryConnection repoConn = this.repository.getConnection();
RepositoryResult<Statement> results =
repoConn.getStatements(classUri, disjointClassUri, null, false);
while (results.hasNext()) {
disjointClasses.add(results.next().getObject().stringValue());
}
repoConn.close();
} catch (RepositoryException ex) {
ex.printStackTrace();
}
return disjointClasses;
}
public void setInterestingEntity(ICognitiveAgent agent, IEntity entity) {
INamedIndividual agentInd = findIndividualByUri(agent.getUri());
if (agentInd == null) {
agent.storeCognitiveAgent();
agentInd = findIndividualByUri(agent.getUri());
}
INamedIndividual entityInd = findIndividualByUri(entity.getUri());
if (entityInd == null) {
entity.storeEntity();
entityInd = findIndividualByUri(entity.getUri());
}
IOntology onto = getAdaptationOntology();
if (onto instanceof SesameOntology) {
ValueFactory factory = ((SesameOntology) onto).getRepository().getValueFactory();
URI subject = factory.createURI(agentInd.getUri());
URI predicate = factory.createURI(getEntityUri(HAS_INTEREST));
URI object = factory.createURI(entityInd.getUri());
try {
RepositoryConnection con = ((SesameOntology) onto).getRepository().getConnection();
try {
con.add(subject, predicate, object);
} finally {
con.close();
}
} catch (RepositoryException e) {
e.printStackTrace();
}
}
}
@Override
public boolean toRdf(final Repository myRepository, final int modelVersion, final URI... keyToUse)
throws OpenRDFException {
super.toRdf(myRepository, modelVersion, keyToUse);
final RepositoryConnection con = myRepository.getConnection();
try {
if (SpinInferencingRuleImpl.DEBUG) {
SpinInferencingRuleImpl.log.debug(
"SparqlNormalisationRuleImpl.toRdf: keyToUse=" + keyToUse);
}
final URI keyUri = this.getKey();
con.setAutoCommit(false);
con.add(
keyUri, RDF.TYPE, SpinInferencingRuleSchema.getSpinInferencingRuleTypeUri(), keyToUse);
// If everything went as planned, we can commit the result
con.commit();
return true;
} catch (final RepositoryException re) {
// Something went wrong during the transaction, so we roll it back
con.rollback();
SpinInferencingRuleImpl.log.error("RepositoryException: " + re.getMessage());
} finally {
con.close();
}
return false;
}
public ValueLoader(String host, String port, String user, String pwd) {
String connectionString = "jdbc:virtuoso://" + host + ':' + port;
repository = new VirtuosoRepository(connectionString, user, pwd, true);
try {
RepositoryConnection con = repository.getConnection();
} catch (RepositoryException e) {
throw new IllegalArgumentException(e.getMessage(), e);
}
}
public SesameDataSet(String sesameServer, String repositoryID) {
currentRepository = new HTTPRepository(sesameServer, repositoryID);
try {
currentRepository.initialize();
} catch (RepositoryException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
@Override
public void close() {
try {
connection.close();
} catch (RepositoryException ex) {
ex.printStackTrace(System.err);
throw new JenaException(ex);
}
super.close();
}
private void run() throws IOException {
failed = false;
for (String s : nanopubs) {
count = 0;
try {
if (sparqlEndpointUrl != null) {
if (sparqlRepo == null) {
sparqlRepo = new SPARQLRepository(sparqlEndpointUrl);
sparqlRepo.initialize();
}
processNanopub(new NanopubImpl(sparqlRepo, new URIImpl(s)));
} else {
if (verbose) {
System.out.println("Reading file: " + s);
}
MultiNanopubRdfHandler.process(
new File(s),
new NanopubHandler() {
@Override
public void handleNanopub(Nanopub np) {
if (failed) return;
processNanopub(np);
}
});
if (count == 0) {
System.out.println("NO NANOPUB FOUND: " + s);
break;
}
}
} catch (OpenRDFException ex) {
System.out.println("RDF ERROR: " + s);
ex.printStackTrace(System.err);
break;
} catch (MalformedNanopubException ex) {
System.out.println("INVALID NANOPUB: " + s);
ex.printStackTrace(System.err);
break;
}
if (failed) {
System.out.println("FAILED TO PUBLISH NANOPUBS");
break;
}
}
for (String s : usedServers.keySet()) {
int c = usedServers.get(s);
System.out.println(c + " nanopub" + (c == 1 ? "" : "s") + " published at " + s);
}
if (sparqlRepo != null) {
try {
sparqlRepo.shutDown();
} catch (RepositoryException ex) {
ex.printStackTrace();
}
}
}
/**
* Return a list of versions that affect the resource whose uri is passed as argument. For each
* version, the result will contain the id, the creator, and the date when the version was
* recorded. Further details for a version can be requested by calling the
* /versioning/versions/{id} webservice.
*
* <p>Note that resource_uri is an optional parameter. In case no resource uri is given, all
* versions recorded by the LMF are returned, which can take a considerable amount of time. @HTTP
* 200 in case the versions were retrieved successfully @HTTP 404 in case the resource passed as
* argument resource_uri could not be found
*
* @param resource_uri the URI of the resource for which to return the versions (optional, see
* warning above)
* @return a JSON list of versions, each a map with the properties "id" (long), "creator" (uri),
* "date" (ISO 8601 String)
*/
@GET
@Produces("application/json")
@Path("/versions/list")
public Response getVersions(
@QueryParam("resource") String resource_uri,
@QueryParam("from") String dateFrom,
@QueryParam("to") String dateTo) {
try {
RepositoryConnection conn = sesameService.getConnection();
try {
if (resource_uri != null) {
URI resource = ResourceUtils.getUriResource(conn, resource_uri);
if (resource != null && resource instanceof KiWiUriResource) {
if (dateFrom == null && dateTo == null) {
return Response.ok()
.entity(formatVersions(versioningService.listVersions(resource)))
.build();
} else {
Date dateFromD = DateUtils.parseDate(dateFrom);
Date dateToD = DateUtils.parseDate(dateTo);
return Response.ok()
.entity(
formatVersions(versioningService.listVersions(resource, dateFromD, dateToD)))
.build();
}
} else {
return Response.status(Response.Status.NOT_FOUND)
.entity("resource with URI " + resource_uri + " was not found in the system")
.build();
}
} else {
if (dateFrom == null && dateTo == null) {
return Response.ok().entity(formatVersions(versioningService.listVersions())).build();
} else {
Date dateFromD = DateUtils.parseDate(dateFrom);
Date dateToD = DateUtils.parseDate(dateTo);
return Response.ok()
.entity(formatVersions(versioningService.listVersions(dateFromD, dateToD)))
.build();
}
}
} finally {
conn.commit();
conn.close();
}
} catch (RepositoryException ex) {
return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(ex.getMessage()).build();
} catch (SailException ex) {
return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(ex.getMessage()).build();
}
}
private ModelAndView getRemoveNamespaceResult(HttpServletRequest request, String prefix)
throws ServerHTTPException {
try {
RepositoryConnection repositoryCon = RepositoryInterceptor.getRepositoryConnection(request);
synchronized (repositoryCon) {
repositoryCon.removeNamespace(prefix);
}
} catch (RepositoryException e) {
throw new ServerHTTPException("Repository error: " + e.getMessage(), e);
}
return new ModelAndView(EmptySuccessView.getInstance());
}
/**
* In memory Sesame Repository with optional inferencing
*
* @param inferencing determines whether we load the inferencer or not
*/
public SimpleSesameGraph(boolean inferencing) {
try {
if (inferencing) {
therepository = new SailRepository(new ForwardChainingRDFSInferencer(new MemoryStore()));
} else {
therepository = new SailRepository(new MemoryStore());
}
therepository.initialize();
} catch (RepositoryException e) {
e.printStackTrace();
}
}
/**
* In memory Sesame repository with optional inferencing
*
* @param inferencing
*/
public SesameDataSet(boolean inferencing) {
try {
if (inferencing) {
currentRepository =
new SailRepository(new ForwardChainingRDFSInferencer(new MemoryStore()));
} else {
currentRepository = new SailRepository(new MemoryStore());
}
currentRepository.initialize();
} catch (RepositoryException e) {
e.printStackTrace();
}
}
public SesameDataSet(String pathToDir, boolean inferencing) {
File f = new File(pathToDir);
try {
if (inferencing) {
currentRepository =
new SailRepository(new ForwardChainingRDFSInferencer(new NativeStore(f)));
} else {
currentRepository = new SailRepository(new NativeStore(f));
}
currentRepository.initialize();
} catch (RepositoryException e) {
e.printStackTrace();
}
}
// conect to repository
public Model() {
// TODO kanonika thelei to endpointurl, alla an den to trexw me to ant diavazei ayta pou
// uparxoun ston kodika kai einai null tora!!! allakse to!
// anti gia split valto sto config file? Alla afou einai mono sesame tha mporouse na meinei ki
// etsi
String endpointUrl =
"http://localhost:8080/openrdf-sesame/repositories/spimbench"; // TestDriver.getConfigurations().getString(Configurations.ENDPOINT_URL);
try {
this.repository = new HTTPRepository(endpointUrl);
this.repository.initialize();
} catch (RepositoryException ex) {
ex.printStackTrace();
}
}
public Collection<String> getAllTriples() {
Set<String> all = new HashSet<>();
try {
RepositoryConnection repoConn = this.repository.getConnection();
RepositoryResult<Statement> results = repoConn.getStatements(null, null, null, false);
while (results.hasNext()) {
Statement tempResult = results.next();
all.add(tempResult.toString());
}
repoConn.close();
} catch (RepositoryException ex) {
ex.printStackTrace();
}
return all;
}
public Collection<String> getSubPropertyOf(String startingProperty, boolean useInference) {
Set<String> subProperties = new HashSet<>();
URI subPropertyUri = this.repository.getValueFactory().createURI(this.subPropertyOfUriAsText);
URI propertyUri = this.repository.getValueFactory().createURI(startingProperty);
try {
RepositoryConnection repoConn = this.repository.getConnection();
RepositoryResult<Statement> results =
repoConn.getStatements(null, subPropertyUri, propertyUri, useInference);
while (results.hasNext()) {
String subProperty = results.next().getSubject().stringValue();
if (!subProperty.equals(startingProperty)) subProperties.add(subProperty);
}
repoConn.close();
} catch (RepositoryException ex) {
ex.printStackTrace();
}
return subProperties;
}
@Override
public boolean schemaToRdf(
final Repository myRepository, final int modelVersion, final URI... contextUri)
throws OpenRDFException {
final RepositoryConnection con = myRepository.getConnection();
final ValueFactory f = Constants.VALUE_FACTORY;
try {
con.setAutoCommit(false);
con.add(OwlNormalisationRuleSchema.getOwlRuleTypeUri(), RDF.TYPE, OWL.CLASS, contextUri);
con.add(
OwlNormalisationRuleSchema.getOwlRuleTypeUri(),
RDFS.SUBCLASSOF,
ValidatingRuleSchema.getValidatingRuleTypeUri(),
contextUri);
con.add(
OwlNormalisationRuleSchema.getOwlRuleTypeUri(),
RDFS.LABEL,
f.createLiteral(
"An OWL normalisation rule intended to validate triples based on an OWL ontology."),
contextUri);
// If everything went as planned, we can commit the result
con.commit();
return true;
} catch (final RepositoryException re) {
// Something went wrong during the transaction, so we roll it back
if (con != null) {
con.rollback();
}
OwlNormalisationRuleSchema.LOG.error("RepositoryException: " + re.getMessage());
} finally {
if (con != null) {
con.close();
}
}
return false;
}
@Override
public Endpoint loadEndpoint(RepositoryInformation repoInfo) throws FedXException {
File store = FileUtil.getFileLocation(repoInfo.getLocation());
if (!store.exists()) {
throw new FedXRuntimeException(
"Store does not exist at '"
+ repoInfo.getLocation()
+ ": "
+ store.getAbsolutePath()
+ "'.");
}
try {
NativeStore ns = new NativeStoreExt(store);
SailRepository repo = new SailRepository(ns);
repo.initialize();
ProviderUtil.checkConnectionIfConfigured(repo);
Endpoint res =
new Endpoint(
repoInfo.getId(),
repoInfo.getName(),
repoInfo.getLocation(),
repoInfo.getType(),
EndpointClassification.Local);
res.setEndpointConfiguration(repoInfo.getEndpointConfiguration());
res.setRepo(repo);
// register a federated service manager to deal with this endpoint
SAILFederatedService federatedService = new SAILFederatedService(res);
federatedService.initialize();
FederatedServiceManager.getInstance().registerService(repoInfo.getName(), federatedService);
return res;
} catch (RepositoryException e) {
throw new FedXException(
"Repository " + repoInfo.getId() + " could not be initialized: " + e.getMessage(), e);
}
}
private Value getRawGraph(Repository repository, URI graph) throws TransformException {
RepositoryResult<Statement> s = null;
try {
RepositoryConnection connection = repository.getConnection();
try {
List<Statement> catalogStatement =
connection
.getStatements(
null, LODMSPredicates.RDFTYPE, LODMSPredicates.DCAT_CATALOG, false, graph)
.asList();
if (catalogStatement.isEmpty()) return null;
return catalogStatement.get(0).getSubject();
} catch (RepositoryException e) {
connection.close();
return null;
}
} catch (RepositoryException e) {
throw new TransformException(e.getMessage(), e);
}
}
public Collection<String> getSuperClasses(String startingClass, boolean useInference) {
Set<String> superClasses = new HashSet<>();
URI subClassUri = this.repository.getValueFactory().createURI(this.subClassOfUriAsText);
URI classUri = this.repository.getValueFactory().createURI(startingClass);
try {
RepositoryConnection repoConn = this.repository.getConnection();
RepositoryResult<Statement> results =
repoConn.getStatements(classUri, subClassUri, null, useInference);
while (results.hasNext()) {
Statement tempResult = results.next();
if (!(tempResult.getObject() instanceof BNode)) {
superClasses.add(tempResult.getObject().stringValue());
}
}
repoConn.close();
} catch (RepositoryException ex) {
ex.printStackTrace();
}
return superClasses;
}
private ModelAndView getUpdateNamespaceResult(HttpServletRequest request, String prefix)
throws IOException, ClientHTTPException, ServerHTTPException {
String namespace = IOUtil.readString(request.getReader());
namespace = namespace.trim();
if (namespace.length() == 0) {
throw new ClientHTTPException(SC_BAD_REQUEST, "No namespace name found in request body");
}
// FIXME: perform some sanity checks on the namespace string
try {
RepositoryConnection repositoryCon = RepositoryInterceptor.getRepositoryConnection(request);
synchronized (repositoryCon) {
repositoryCon.setNamespace(prefix, namespace);
}
} catch (RepositoryException e) {
throw new ServerHTTPException("Repository error: " + e.getMessage(), e);
}
return new ModelAndView(EmptySuccessView.getInstance());
}
@Override
public void transform(Repository repository, URI graph, TransformContext context)
throws TransformException {
String catalogUrl = odsUrl + "id/catalog/" + catalogIdentifier + '/';
context.getCustomData().put("dcatTransformerGraph", catalogUrl);
Collection<String> warnings = context.getWarnings();
URI catalogUri = valueFactory.createURI(catalogUrl);
Value rawGraph = getRawGraph(repository, graph);
if (rawGraph == null) {
warnings.add("no catalog found");
throw new TransformException("no catalog found in raw data");
}
try {
RepositoryConnection connection = repository.getConnection();
try {
connection.add(
valueFactory.createStatement(catalogUri, rawCatalogPredicate, rawGraph), graph);
connection.add(
valueFactory.createStatement(
catalogUri, LODMSPredicates.RDFTYPE, LODMSPredicates.DCAT_CATALOG),
graph);
copyCatalogAttributes(graph, catalogUri, rawGraph, connection);
extractDatasetInfo(graph, catalogUri, rawGraph, connection);
} catch (RepositoryException e) {
warnings.add(e.getMessage());
throw new TransformException(e.getMessage(), e);
} catch (MalformedQueryException e) {
warnings.add(e.getMessage());
throw new TransformException(e.getMessage(), e);
} catch (UpdateExecutionException e) {
warnings.add(e.getMessage());
throw new TransformException(e.getMessage(), e);
} finally {
connection.close();
}
} catch (Exception e) {
throw new TransformException(e.getMessage(), e);
}
}
/**
* Load data in specified graph (use default graph if contexts is null)
*
* @param filePath
* @param format
* @param contexts
*/
public void loadDataFromFile(String filePath, RDFFormat format, Resource... contexts) {
RepositoryConnection con;
try {
con = currentRepository.getConnection();
try {
// upload a file
File f = new File(filePath);
con.add(f, null, format, contexts);
} catch (RDFParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (RepositoryException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
try {
con.close();
} catch (RepositoryException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
} catch (RepositoryException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
public void loadDataFromURL(String stringURL) {
RepositoryConnection con;
try {
con = currentRepository.getConnection();
try {
// upload a URL
URL url = new URL(stringURL);
con.add(url, null, RDFFormat.RDFXML);
} catch (RDFParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (RepositoryException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
try {
con.close();
} catch (RepositoryException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
} catch (RepositoryException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
private ModelAndView getExportNamespaceResult(HttpServletRequest request, String prefix)
throws ServerHTTPException, ClientHTTPException {
try {
String namespace = null;
RepositoryConnection repositoryCon = RepositoryInterceptor.getRepositoryConnection(request);
synchronized (repositoryCon) {
namespace = repositoryCon.getNamespace(prefix);
}
if (namespace == null) {
throw new ClientHTTPException(SC_NOT_FOUND, "Undefined prefix: " + prefix);
}
Map<String, Object> model = new HashMap<String, Object>();
model.put(SimpleResponseView.CONTENT_KEY, namespace);
return new ModelAndView(SimpleResponseView.getInstance(), model);
} catch (RepositoryException e) {
throw new ServerHTTPException("Repository error: " + e.getMessage(), e);
}
}
/**
* Resolve/Redirect access to /user/* uris.
*
* @param login the login of the user to redirect to
* @param types header param of accepted mime-types
* @return a redirect to the user-resource in the resource service. @HTTP 404 if no such user
* exists. @HTTP 303 on success @HTTP 400 if no valid resource uri could be built with the
* login @HTTP 500 on other exceptions
*/
@GET
@Path("/{login:[^#?]+}")
public Response getUser(@PathParam("login") String login, @HeaderParam("Accept") String types) {
if (login.equals("me")) {
return get();
} else {
try {
RepositoryConnection conn = sesameService.getConnection();
try {
final URI user = userService.getUser(login);
if (user == null)
return Response.status(Status.NOT_FOUND)
.entity(String.format("User %s not found", login))
.build();
java.net.URI u =
new java.net.URI(
configurationService.getServerUri()
+ "resource?uri="
+ URLEncoder.encode(user.stringValue(), "utf-8"));
return Response.seeOther(u).header("Accept", types).build();
} finally {
conn.commit();
conn.commit();
}
} catch (URISyntaxException e) {
return Response.status(Status.BAD_REQUEST)
.entity(String.format("Invalid URI: %s", e.getMessage()))
.build();
} catch (UnsupportedEncodingException e) {
return Response.status(Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build();
} catch (RepositoryException e) {
return Response.status(Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build();
}
}
}