Package org.fcrepo.http.api.services

Class HttpRdfService

java.lang.Object

org.fcrepo.http.api.services.HttpRdfService

@Component
public class HttpRdfService
extends Object

A service that will translate the resourceURI to Fedora ID in the Rdf InputStream

Since:

2019-11-07

Author:

bseeger, bbpennel

Constructor Summary

Constructors

Constructor	Description
HttpRdfService()

Method Summary

Modifier and Type	Method	Description
RdfStream	bodyToExternalStream(String extResourceId, RdfStream stream, HttpIdentifierConverter idTranslator)	Convert internal IDs to external URIs
org.apache.jena.rdf.model.Model	bodyToInternalModel(FedoraId extResourceId, InputStream stream, javax.ws.rs.core.MediaType contentType, HttpIdentifierConverter idTranslator, boolean lenientHandling)	Parse the request body to a Model, with the URI to Fedora ID translations done.
protected static org.apache.jena.rdf.model.Model	parseBodyAsModel(InputStream requestBodyStream, javax.ws.rs.core.MediaType contentType, String extResourceId)	Parse the request body as a Model.
String	patchRequestToInternalString(FedoraId resourceId, String requestBody, HttpIdentifierConverter idTranslator)	Takes a PATCH request body and translates any subjects and objects that are in the domain of the repository to use internal IDs.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HttpRdfService

public HttpRdfService()

Method Detail

bodyToExternalStream

public RdfStream bodyToExternalStream(String extResourceId,
                                      RdfStream stream,
                                      HttpIdentifierConverter idTranslator)

Convert internal IDs to external URIs

Parameters:

extResourceId - The external URI of the resource.

stream - The RDF stream to be translated.

idTranslator - The identifier converter.

Returns:

a converted RDF Stream.

bodyToInternalModel

public org.apache.jena.rdf.model.Model bodyToInternalModel(FedoraId extResourceId,
                                                           InputStream stream,
                                                           javax.ws.rs.core.MediaType contentType,
                                                           HttpIdentifierConverter idTranslator,
                                                           boolean lenientHandling)
                                                    throws RepositoryRuntimeException,
                                                           javax.ws.rs.BadRequestException

Parse the request body to a Model, with the URI to Fedora ID translations done.

Parameters:

extResourceId - the external ID of the Fedora resource

stream - the input stream containing the RDF

contentType - the media type of the RDF

idTranslator - the identifier convert

lenientHandling - whether the request included a handling=lenient prefer header.

Returns:

RdfStream containing triples from request body, with Fedora IDs in them

Throws:

MalformedRdfException - in case rdf json cannot be parsed

javax.ws.rs.BadRequestException - in the case where the RDF syntax is bad

RepositoryRuntimeException

patchRequestToInternalString

public String patchRequestToInternalString(FedoraId resourceId,
                                           String requestBody,
                                           HttpIdentifierConverter idTranslator)

Takes a PATCH request body and translates any subjects and objects that are in the domain of the repository to use internal IDs.

Parameters:

resourceId - the internal ID of the current resource.

requestBody - the request body.

idTranslator - an ID converter for the current context.

Returns:

the converted PATCH request.

parseBodyAsModel

protected static org.apache.jena.rdf.model.Model parseBodyAsModel(InputStream requestBodyStream,
                                                                  javax.ws.rs.core.MediaType contentType,
                                                                  String extResourceId)
                                                           throws javax.ws.rs.BadRequestException,
                                                                  RepositoryRuntimeException

Parse the request body as a Model.

Parameters:

requestBodyStream - rdf request body

contentType - content type of body

extResourceId - the external ID of the Fedora resource

Returns:

Model containing triples from request body

Throws:

MalformedRdfException - in case rdf json cannot be parsed

javax.ws.rs.BadRequestException - in the case where the RDF syntax is bad

RepositoryRuntimeException