ResourceDescription.Value Class Reference

Inheritance diagram for ResourceDescription.Value:

Collaboration diagram for ResourceDescription.Value:

Public Member Functions
	Value (RDFNode valueNode, Property predicate, VocabularyStore vocabularyStore)
Node	getNode ()
String	getBrowsableURL ()
boolean	hasPrefix ()
String	getPrefix ()
String	getLocalName ()
String	getLabel ()
String	getDescription ()
String	getDatatypeLabel ()
String	getDatatypeURI ()
boolean	isType ()
int	compareTo (Value other)

Private Attributes
final RDFNode	node
URIPrefixer	prefixer
Property	predicate
VocabularyStore	vocabularyStore

Constructor & Destructor Documentation

Value()

Value	(	RDFNode	valueNode,
		Property	predicate,
		VocabularyStore	vocabularyStore
	)

                                                                                                     {
                        this.node = valueNode;
                        this.predicate = predicate;
                        this.vocabularyStore = vocabularyStore;
                        if (valueNode.isURIResource()) {
                                prefixer = new URIPrefixer((Resource) valueNode.as(Resource.class), getPrefixes());
                        }
                }

References ResourceDescription.getPrefixes(), ResourceDescription.Value.predicate, ResourceDescription.Value.prefixer, and ResourceDescription.Value.vocabularyStore.

Referenced by ResourceDescription.Value.compareTo().

Member Function Documentation

compareTo()

int compareTo

(

Value

other

)

                                                  {
                        if (!(other instanceof Value)) {
                                return 0;
                        }
                        Value otherValue = (Value) other;
                        if (getNode().isURI() && otherValue.getNode().isURI()) {
                                return getNode().getURI().compareTo(otherValue.getNode().getURI());
                        }
                        if (getNode().isURI()) {
                                return 1;
                        }
                        if (otherValue.getNode().isURI()) {
                                return -1;
                        }
                        if (getNode().isBlank() && otherValue.getNode().isBlank()) {
                                return getNode().getBlankNodeLabel().compareTo(otherValue.getNode().getBlankNodeLabel());
                        }
                        if (getNode().isBlank()) {
                                return 1;
                        }
                        if (otherValue.getNode().isBlank()) {
                                return -1;
                        }
                        // TODO Typed literals, language literals
                        return getNode().getLiteralLexicalForm().compareTo(otherValue.getNode().getLiteralLexicalForm());
                }

References ResourceDescription.Value.getNode(), and ResourceDescription.Value.Value().

getBrowsableURL()

String getBrowsableURL

(

)

                                                {
                        if (!node.isURIResource()) return null;
                        HypermediaControls controls = HypermediaControls.createFromIRI(
                                        node.asResource().getURI(), config);
                        if (controls == null) return node.asResource().getURI();
                        return controls.getPageURL();
                }

References ResourceDescription.config, HypermediaControls.createFromIRI(), HypermediaControls.getPageURL(), and ResourceDescription.Value.node.

getDatatypeLabel()

String getDatatypeLabel

(

)

                                                 {
                        if (!node.isLiteral()) return null;
                        String uri = ((Literal) node.as(Literal.class)).getDatatypeURI();
                        if (uri == null) return null;
                        URIPrefixer datatypePrefixer = new URIPrefixer(uri, getPrefixes());
                        if (datatypePrefixer.hasPrefix()) {
                                return datatypePrefixer.toTurtle();
                        } else {
                                return "?:" + datatypePrefixer.getLocalName();
                        }
                }

References ResourceDescription.Value.getDatatypeURI(), URIPrefixer.getLocalName(), ResourceDescription.getPrefixes(), URIPrefixer.hasPrefix(), ResourceDescription.Value.node, and URIPrefixer.toTurtle().

getDatatypeURI()

String getDatatypeURI

(

)

                                               {
                        if (!node.isLiteral()) return null;
                        String uri = ((Literal) node.as(Literal.class)).getDatatypeURI();
                        if (uri == null) return null;
                        return uri;
                }

References ResourceDescription.Value.node.

Referenced by ResourceDescription.Value.getDatatypeLabel().

getDescription()

String getDescription

(

)

                                               {
                        return vocabularyStore.getDescription(node.asNode().getURI()).getLexicalForm();
                }

References VocabularyStore.getDescription(), ResourceDescription.Value.node, and ResourceDescription.Value.vocabularyStore.

getLabel()

String getLabel

(

)

                                         {
                        System.out.println("Getting label for "+node.toString());
                        if (!node.isResource()) return null;
                        System.out.println(node.toString()+" is a resource!");
                        Literal result = null;
                        if (node.isURIResource()) {
                                if (predicate.equals(RDF.type)) {
                                        // Look up class labels in vocabulary store
                                        result = vocabularyStore.getLabel(node.asNode().getURI(), false);
                                } else if (node.isURIResource()) {
                                        // If it's not a class, see if we happen to have a label cached
                                        result = vocabularyStore.getCachedLabel(node.asResource().getURI(), false);
                                        //System.out.println("HasCachedLabel? "+result.toString());
                                }
                        }
                        if (result == null) {
                                // Use any label that may be included in the description model
                                result = new ResourceDescription(node.asResource(), model, config).getLabel();
                                //System.out.println("Resource has label? "+result.toString());
                        }
                        if (result == null) return null;
                        return toTitleCase(result.getLexicalForm(), result.getLanguage());
                }

References ResourceDescription.config, VocabularyStore.getCachedLabel(), VocabularyStore.getLabel(), ResourceDescription.model, ResourceDescription.Value.node, ResourceDescription.Value.predicate, ResourceDescription.ResourceDescription(), ResourceDescription.toTitleCase(), and ResourceDescription.Value.vocabularyStore.

getLocalName()

String getLocalName

(

)

                                             {
                        if (prefixer == null) {
                                return null;
                        }
                        return prefixer.getLocalName();
                }

References URIPrefixer.getLocalName(), and ResourceDescription.Value.prefixer.

getNode()

Node getNode

(

)

                                      {
                        return node.asNode();
                }

References ResourceDescription.Value.node.

Referenced by ResourceDescription.Value.compareTo().

getPrefix()

String getPrefix

(

)

                                          {
                        if (prefixer == null) {
                                return null;
                        }
                        return prefixer.getPrefix();
                }

References URIPrefixer.getPrefix(), and ResourceDescription.Value.prefixer.

hasPrefix()

boolean hasPrefix

(

)

                                           {
                        return prefixer != null && prefixer.hasPrefix();
                }

References URIPrefixer.hasPrefix(), and ResourceDescription.Value.prefixer.

isType()

boolean isType

(

)

                                        {
                        return predicate.equals(RDF.type);
                }

References ResourceDescription.Value.predicate.

Member Data Documentation

node

final RDFNode node

private

Referenced by ResourceDescription.Value.getBrowsableURL(), ResourceDescription.Value.getDatatypeLabel(), ResourceDescription.Value.getDatatypeURI(), ResourceDescription.Value.getDescription(), ResourceDescription.Value.getLabel(), and ResourceDescription.Value.getNode().

predicate

Property predicate

private

Referenced by ResourceDescription.Value.getLabel(), ResourceDescription.Value.isType(), and ResourceDescription.Value.Value().

prefixer

URIPrefixer prefixer

private

Referenced by ResourceDescription.Value.getLocalName(), ResourceDescription.Value.getPrefix(), ResourceDescription.Value.hasPrefix(), and ResourceDescription.Value.Value().

vocabularyStore

VocabularyStore vocabularyStore

private

Referenced by ResourceDescription.Value.getDescription(), ResourceDescription.Value.getLabel(), and ResourceDescription.Value.Value().