org.fcrepo.transform.http

Class FedoraTransform

java.lang.Object

org.fcrepo.http.commons.AbstractResource

org.fcrepo.http.api.FedoraBaseResource

org.fcrepo.http.api.ContentExposingResource

org.fcrepo.transform.http.FedoraTransform

@Scope(value="request")
 @Path(value="/{path: .*}/fcr:transform")
public class FedoraTransform
extends ContentExposingResource

Endpoint for transforming object properties using stored or POSTed transformations.

Author:

cbeer

Field Summary

Fields

Modifier and Type	Field and Description
protected String	externalPath
protected javax.jcr.Session	session

Fields inherited from class org.fcrepo.http.api.ContentExposingResource

MESSAGE_EXTERNAL_BODY, prefer, request, resource, servletResponse

Fields inherited from class org.fcrepo.http.api.FedoraBaseResource

idTranslator

Fields inherited from class org.fcrepo.http.commons.AbstractResource

binaryService, containerService, eventBus, headers, nodeService, pidMinter, sessions, uriInfo, versionService

Constructor Summary

Constructors

Constructor and Description
FedoraTransform() Default entry point
FedoraTransform(String externalPath) Create a new FedoraNodes instance for a given path

Method Summary

Modifier and Type	Method and Description
protected void	addResourceHttpHeaders(FedoraResource resource) Add any resource-specific headers to the response
Object	evaluateLdpathProgram(String program) Execute an LDpath program transform
Object	evaluateTransform(javax.ws.rs.core.MediaType contentType, InputStream requestBodyStream) Get the LDPath output as a JSON stream appropriate for e.g.
protected String	externalPath()
protected javax.jcr.Session	session()
void	setUpRepositoryConfiguration() Register the LDPath configuration tree in JCR

Methods inherited from class org.fcrepo.http.api.ContentExposingResource

addCacheControlHeaders, checkCacheControlHeaders, evaluateRequestPreconditions, getBinaryContent, getContent, getResourceTriples, getSimpleContentType, getTriples, getTriples, getUri, isRdfContentType, patchResourcewithSparql, replaceResourceBinaryWithStream, replaceResourceWithStream, resource

Methods inherited from class org.fcrepo.http.api.FedoraBaseResource

getBaseUrlProperty, getResourceFromPath, setUpJMSInfo, translator

Methods inherited from class org.fcrepo.http.commons.AbstractResource

toPath

Methods inherited from class java.lang.Object

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

Field Detail

session

@Inject
protected javax.jcr.Session session

externalPath

@PathParam(value="path")
protected String externalPath

Constructor Detail

FedoraTransform

public FedoraTransform()

Default entry point

FedoraTransform

public FedoraTransform(String externalPath)

Create a new FedoraNodes instance for a given path

Parameters:

externalPath - the external path

Method Detail

setUpRepositoryConfiguration

@PostConstruct
public void setUpRepositoryConfiguration()
                                                 throws javax.jcr.RepositoryException,
                                                        IOException

Register the LDPath configuration tree in JCR

Throws:

javax.jcr.RepositoryException - if repository exception occurred

IOException - if IO exception occurred

SecurityException - if security exception occurred

evaluateLdpathProgram

@GET
 @Path(value="{program}")
 @Produces(value="application/json")
 @Timed
public Object evaluateLdpathProgram(@PathParam(value="program")
                                                                                                                String program)
                                                                                                         throws javax.jcr.RepositoryException

Execute an LDpath program transform

Parameters:

program - the LDpath program

Returns:

Binary blob

Throws:

javax.jcr.RepositoryException - if repository exception occurred

evaluateTransform

@POST
 @Consumes(value={"application/rdf+ldpath","application/sparql-query"})
 @Produces(value={"application/json","text/tab-separated-values","text/csv","text/sse","text/plain","application/sparql-results+json","application/sparql-results+xml","application/sparql-results+bio","text/turtle","text/rdf+n3","application/n-triples","application/rdf+xml"})
 @Timed
public Object evaluateTransform(@HeaderParam(value="Content-Type")
                                                                                                                                                                                                                                                                                                                                                                                                          javax.ws.rs.core.MediaType contentType,
                                                                                                                                                                                                                                                                                                                                                                                                          InputStream requestBodyStream)

Get the LDPath output as a JSON stream appropriate for e.g. Solr

Parameters:

contentType - the content type

requestBodyStream - the request body stream

Returns:

LDPath as a JSON stream

session

protected javax.jcr.Session session()

Specified by:

session in class FedoraBaseResource

externalPath

protected String externalPath()

Specified by:

externalPath in class ContentExposingResource

addResourceHttpHeaders

protected void addResourceHttpHeaders(FedoraResource resource)

Description copied from class: ContentExposingResource

Add any resource-specific headers to the response

Overrides:

addResourceHttpHeaders in class ContentExposingResource

Parameters:

resource - the resource