org.apache.clerezza.rdf.web.core

Class SparqlEndpoint

java.lang.Object

org.apache.clerezza.rdf.web.core.SparqlEndpoint

@Service(value=java.lang.Object.class)
@Property(name="javax.ws.rs",
          boolValue=true)
public class SparqlEndpoint
extends Object

Provides methods to query a graph over the web.

Author:

ali, hasan

Constructor Summary

Constructors

Constructor and Description
SparqlEndpoint()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	activate(org.osgi.service.component.ComponentContext componentContext) The activate method is called when SCR activates the component configuration.
GraphNode	getAvailableTripleCollectionUris(javax.ws.rs.core.UriInfo uriInfo)
Object	runFormQuery(String queryString, UriRef defaultGraphUri, String applyStyleSheet, String serverSide, String styleSheetUri) Returns either a Graph or a DOMSource.
Object	runGetQuery(String queryString, UriRef defaultGraphUri, String styleSheetUri, String serverSide) Returns either a Graph or a DOMSource.

Methods inherited from class java.lang.Object

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

Constructor Detail

SparqlEndpoint

public SparqlEndpoint()

Method Detail

activate

protected void activate(org.osgi.service.component.ComponentContext componentContext)

The activate method is called when SCR activates the component configuration.

Parameters:

componentContext -

getAvailableTripleCollectionUris

public GraphNode getAvailableTripleCollectionUris(@Context
                                         javax.ws.rs.core.UriInfo uriInfo)

runFormQuery

public Object runFormQuery(String queryString,
                  UriRef defaultGraphUri,
                  String applyStyleSheet,
                  String serverSide,
                  String styleSheetUri)

Returns either a Graph or a DOMSource. A Graph is returned if a CONSTRUCT or a DESCRIBE sparql query was submitted and successfully carried out. A DOMSource is returned if an ASK or a SELECT sparql query was submitted and successfully carried out. The query is performed against a specified graph with the URI defaultGrapfUri

Parameters:

queryString - URL encoded sparql query

defaultGraphUri - URI of the default graph, an UriRef is expected

applyStyleSheet -

serverSide -

styleSheetUri -

Returns:

either a Graph or a DOMSource

runGetQuery

public Object runGetQuery(String queryString,
                 UriRef defaultGraphUri,
                 String styleSheetUri,
                 String serverSide)

Returns either a Graph or a DOMSource. A Graph is returned if a CONSTRUCT or a DESCRIBE sparql query was submitted and successfully carried out. A DOMSource is returned if an ASK or a SELECT sparql query was submitted and successfully carried out. The query is performed against a specified graph with the URI defaultGrapfUri

Parameters:

queryString -

defaultGraphUri -

styleSheetUri -

serverSide -

Returns: