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## edu.stanford.smi.protegex.owl.jena
Class Jena

    java.lang.Object
      edu.stanford.smi.protegex.owl.jena.Jena

    public class Jena

extends Object

A collection of static utility methods for Jena.

Author:
  Holger Knublauch

Nested Class Summary
`protected static class` | `Jena.ObjectMapper`

Field Summary
`static String` | `DEFAULT_NAMESPACE_SEPARATOR`
`static String` | `DEFAULT_ONT_POLICY_FILE_PATH`
`static String` | `ONT_POLICY_PROPERTY`
`static String` | `OWL_DL`
`static String` | `OWL_FULL`
`static String` | `OWL_LITE`
`static String` | `ROOT_FOLDER` Deprecated. use ProtegeOWL.PLUGIN_FOLDER instead
`static String` | `XML_TAG_HIDDEN_PROPERTY`

Constructor Summary
`Jena()`

Method Summary
`static com.hp.hpl.jena.rdf.model.Model` | `addOWLFullModel(com.hp.hpl.jena.ontology.OntModel ontModel)` Simulates the import of the OWL/RDFS meta ontologies.
`static com.hp.hpl.jena.ontology.DatatypeProperty` | `asDatatypeProperty(com.hp.hpl.jena.rdf.model.Resource resource)`
`static com.hp.hpl.jena.ontology.ObjectProperty` | `asObjectProperty(com.hp.hpl.jena.rdf.model.Resource resource)`
`static com.hp.hpl.jena.ontology.OntClass` | `asOntClass(com.hp.hpl.jena.rdf.model.Resource resource)`
`static com.hp.hpl.jena.ontology.OntProperty` | `asOntProperty(com.hp.hpl.jena.rdf.model.Resource resource)`
`static boolean` | `canAs(com.hp.hpl.jena.rdf.model.RDFNode resource, com.hp.hpl.jena.rdf.model.Resource type)` Checks whether a given OntResource has a certain rdf:type, or a subclass thereof.
`static boolean` | `canAsDatatypeProperty(com.hp.hpl.jena.rdf.model.RDFNode resource)`
`static boolean` | `canAsObjectProperty(com.hp.hpl.jena.rdf.model.RDFNode resource)`
`static boolean` | `canAsOntClass(com.hp.hpl.jena.rdf.model.RDFNode resource)`
`static boolean` | `canAsOntProperty(com.hp.hpl.jena.rdf.model.RDFNode resource)`
`static boolean` | `canAsOWLProperty(com.hp.hpl.jena.rdf.model.RDFNode resource)`
`static Iterator` | `cloneIt(Iterator it)` Just creates a cloning Iterator to avoid concurrent modification exceptions.
`static com.hp.hpl.jena.ontology.OntModel` | `cloneOntModel(com.hp.hpl.jena.ontology.OntModel oldModel)`
`static com.hp.hpl.jena.ontology.OntModel` | `cloneOntModel(com.hp.hpl.jena.ontology.OntModel oldModel, com.hp.hpl.jena.ontology.OntModelSpec spec)`
`static Hashtable` | `convertTypedAnnotationPropertiesIntoUntyped(com.hp.hpl.jena.ontology.OntModel ontModel)`
`static void` | `copyPropertyValues(com.hp.hpl.jena.rdf.model.Resource from, com.hp.hpl.jena.rdf.model.Resource to)`
`static void` | `dumpRDF(com.hp.hpl.jena.ontology.OntModel ontModel)`
`static void` | `dumpRDF(com.hp.hpl.jena.ontology.OntModel ontModel, Logger logger, Level level)`
`static void` | `dumpRDF(com.hp.hpl.jena.ontology.OntModel ontModel, OutputStream stream)`
`static void` | `dumpRDFTopLevel(com.hp.hpl.jena.ontology.OntModel ontModel)`
`static void` | `ensureOWLFullModelIsLastModel(com.hp.hpl.jena.ontology.OntModel ontModel, com.hp.hpl.jena.rdf.model.Model owlFullModel)`
`static com.hp.hpl.jena.ontology.Ontology` | `getDefaultJenaOntology(String namespace, com.hp.hpl.jena.ontology.OntModel ontModel)`
`static Collection` | `getDirectSubClasses(com.hp.hpl.jena.ontology.OntClass ontClass)` Gets the direct subclasses of a given OntClass, excluding the class itself which is usually delivered by Jena.
`static Collection` | `getDirectSuperClasses(com.hp.hpl.jena.ontology.OntClass ontClass)` Gets the direct superclasses of a given OntClass, excluding the class itself which is usually delivered by Jena.
`static com.hp.hpl.jena.graph.Graph` | `getHomeGraph(com.hp.hpl.jena.ontology.OntModel ontModel, com.hp.hpl.jena.ontology.OntResource resource)` Gets the Graph where the rdf:type statement of a certain resource is.
`static String` | `getImportSource(com.hp.hpl.jena.ontology.OntModel ontModel, com.hp.hpl.jena.ontology.OntResource resource)`
`static String` | `getNamespaceFromURI(String namespace)`
`static String` | `getNamespaceWithoutSeparator(String namespace)`
`static String` | `getOntPolicyFilePath(edu.stanford.smi.protege.model.Project project)` Deprecated.
`static int` | `getOWLSpecies(com.hp.hpl.jena.ontology.OntModel ontModel)`
`static String` | `getOWLSpeciesString(int x)`
`static com.hp.hpl.jena.rdf.model.RDFNode` | `getPropertyValue(com.hp.hpl.jena.rdf.model.Resource resource, com.hp.hpl.jena.rdf.model.Property property)`
`static String` | `getURIFromNamespace(String namespace)`
`static boolean` | `isDatatypeProperty(com.hp.hpl.jena.ontology.OntModel ontModel, com.hp.hpl.jena.ontology.OntProperty ontProperty)`
`static boolean` | `isImportedResource(com.hp.hpl.jena.ontology.OntModel ontModel, com.hp.hpl.jena.rdf.model.Model owlFullModel, com.hp.hpl.jena.ontology.OntResource ontResource)`
`static boolean` | `isNamespaceWithSeparator(String str)`
`static boolean` | `isObjectProperty(com.hp.hpl.jena.ontology.OntModel ontModel, com.hp.hpl.jena.ontology.OntProperty ontProperty)`
`static boolean` | `isSystemClass(com.hp.hpl.jena.ontology.OntClass ontClass)`
`static boolean` | `isSystemProperty(com.hp.hpl.jena.ontology.OntProperty property)`
`static boolean` | `isSystemResource(com.hp.hpl.jena.rdf.model.Resource ontResource)`
`static boolean` | `isValidNamespace(String text)`
`static boolean` | `isXMLLanguage(String language)`
`static boolean` | `isXMLTagHidden()`
`static com.hp.hpl.jena.rdf.model.NodeIterator` | `listPropertyValues(com.hp.hpl.jena.rdf.model.Resource resource, com.hp.hpl.jena.rdf.model.Property property)`
`static boolean` | `namespaceEndsWithSeparator(String namespace)`
`static void` | `prepareWriter(com.hp.hpl.jena.rdf.model.RDFWriter writer, String language, String namespace)` Deprecated. - Use `prepareWriter(RDFWriter writer, String language, String namespace, String xmlBase)`
`static void` | `prepareWriter(com.hp.hpl.jena.rdf.model.RDFWriter writer, String language, String namespace, String xmlBase)`
`static void` | `removePropertyValue(com.hp.hpl.jena.ontology.OntResource resource, com.hp.hpl.jena.rdf.model.Property property, String value)` A convenience method that removes a property value with a given toString serialization from an OntResource.
`static void` | `removePropertyValue(com.hp.hpl.jena.rdf.model.Resource resource, com.hp.hpl.jena.rdf.model.Property property, com.hp.hpl.jena.rdf.model.RDFNode value)`
`static com.hp.hpl.jena.rdf.model.Resource` | `renameResource(com.hp.hpl.jena.ontology.OntModel ontModel, com.hp.hpl.jena.rdf.model.Resource old, String uri)`
`static com.hp.hpl.jena.rdf.model.Resource` | `renameResource(com.hp.hpl.jena.rdf.model.Resource old, String uri, com.hp.hpl.jena.rdf.model.Model owlFullModel)` Deprecated. this has a bug (it does not rename the resource in all models) - use the other renameResource method instead
`static void` | `renameResourceInGraph(com.hp.hpl.jena.graph.Graph graph, com.hp.hpl.jena.rdf.model.Resource old, com.hp.hpl.jena.rdf.model.Resource newResource)`
`static void` | `renameResourceInModel(com.hp.hpl.jena.rdf.model.Model m, com.hp.hpl.jena.rdf.model.Resource old, com.hp.hpl.jena.rdf.model.Resource newResource)` Deprecated. wrong
`static void` | `saveOntModel(OWLModel owlModel, File file, com.hp.hpl.jena.ontology.OntModel owldlOntModel, String message)`
`static Set` | `set(Iterator it)` Converts an Iterator (e.g.
`static void` | `set(Set set, Iterator it)` Converts an Iterator (e.g.
`static void` | `setOntPolicyFilePath(edu.stanford.smi.protege.model.Project project, String path)` Deprecated.
`static void` | `setXMLTagHidden(boolean value)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### DEFAULT_NAMESPACE_SEPARATOR

    public static final String DEFAULT_NAMESPACE_SEPARATOR

See Also:
  Constant Field Values

### OWL_DL

    public static final String OWL_DL

See Also:
  Constant Field Values

### OWL_FULL

    public static final String OWL_FULL

See Also:
  Constant Field Values

### OWL_LITE

    public static final String OWL_LITE

See Also:
  Constant Field Values

### XML_TAG_HIDDEN_PROPERTY

    public static final String XML_TAG_HIDDEN_PROPERTY

See Also:
  Constant Field Values

### ROOT_FOLDER

    @Deprecated
    public static final String ROOT_FOLDER

  Deprecated. use ProtegeOWL.PLUGIN_FOLDER instead
  See Also:
    Constant Field Values

### DEFAULT_ONT_POLICY_FILE_PATH

    public static final String DEFAULT_ONT_POLICY_FILE_PATH

### ONT_POLICY_PROPERTY

    public static final String ONT_POLICY_PROPERTY

See Also:
  Constant Field Values

Constructor Detail

### Jena

    public Jena()

Method Detail

### asDatatypeProperty

    public static com.hp.hpl.jena.ontology.DatatypeProperty asDatatypeProperty(com.hp.hpl.jena.rdf.model.Resource resource)

### asOntClass

    public static com.hp.hpl.jena.ontology.OntClass asOntClass(com.hp.hpl.jena.rdf.model.Resource resource)

### asObjectProperty

    public static com.hp.hpl.jena.ontology.ObjectProperty asObjectProperty(com.hp.hpl.jena.rdf.model.Resource resource)

### asOntProperty

    public static com.hp.hpl.jena.ontology.OntProperty asOntProperty(com.hp.hpl.jena.rdf.model.Resource resource)

### canAs

    public static boolean canAs(com.hp.hpl.jena.rdf.model.RDFNode resource,
                                com.hp.hpl.jena.rdf.model.Resource type)

  Checks whether a given OntResource has a certain rdf:type, or a subclass thereof. This is a work-around for the lack of subsumption reasoning in Jena's default model.

  Parameters:
    `resource` -
    `type` -
  Returns:
    true if true, false if not true :)

### canAsDatatypeProperty

    public static boolean canAsDatatypeProperty(com.hp.hpl.jena.rdf.model.RDFNode resource)

### canAsOntClass

    public static boolean canAsOntClass(com.hp.hpl.jena.rdf.model.RDFNode resource)

### canAsObjectProperty

    public static boolean canAsObjectProperty(com.hp.hpl.jena.rdf.model.RDFNode resource)

### canAsOntProperty

    public static boolean canAsOntProperty(com.hp.hpl.jena.rdf.model.RDFNode resource)

### canAsOWLProperty

    public static boolean canAsOWLProperty(com.hp.hpl.jena.rdf.model.RDFNode resource)

### cloneIt

    public static Iterator cloneIt(Iterator it)

  Just creates a cloning Iterator to avoid concurrent modification exceptions.

  Parameters:
    `it` - the source Iterator
  Returns:
    a new, independent Iterator

### cloneOntModel

    public static com.hp.hpl.jena.ontology.OntModel cloneOntModel(com.hp.hpl.jena.ontology.OntModel oldModel)

### cloneOntModel

    public static com.hp.hpl.jena.ontology.OntModel cloneOntModel(com.hp.hpl.jena.ontology.OntModel oldModel,
                                                                  com.hp.hpl.jena.ontology.OntModelSpec spec)

### convertTypedAnnotationPropertiesIntoUntyped

    public static Hashtable convertTypedAnnotationPropertiesIntoUntyped(com.hp.hpl.jena.ontology.OntModel ontModel)

### copyPropertyValues

    public static void copyPropertyValues(com.hp.hpl.jena.rdf.model.Resource from,
                                          com.hp.hpl.jena.rdf.model.Resource to)

### dumpRDF

    public static void dumpRDF(com.hp.hpl.jena.ontology.OntModel ontModel)

### dumpRDF

    public static void dumpRDF(com.hp.hpl.jena.ontology.OntModel ontModel,
                               Logger logger,
                               Level level)

### dumpRDF

    public static void dumpRDF(com.hp.hpl.jena.ontology.OntModel ontModel,
                               OutputStream stream)

### dumpRDFTopLevel

    public static void dumpRDFTopLevel(com.hp.hpl.jena.ontology.OntModel ontModel)

### addOWLFullModel

    public static com.hp.hpl.jena.rdf.model.Model addOWLFullModel(com.hp.hpl.jena.ontology.OntModel ontModel)

  Simulates the import of the OWL/RDFS meta ontologies. This method returns a new Model which can be added as subgraph to an ontology, so that the system properties and classes can be safely casted into OntProperty and OntClass.

  Parameters:
    `ontModel` - the OntModel to add a new sub model
  Returns:
    the sub model that has been added

### ensureOWLFullModelIsLastModel

    public static void ensureOWLFullModelIsLastModel(com.hp.hpl.jena.ontology.OntModel ontModel,
                                                     com.hp.hpl.jena.rdf.model.Model owlFullModel)

### getHomeGraph

    public static com.hp.hpl.jena.graph.Graph getHomeGraph(com.hp.hpl.jena.ontology.OntModel ontModel,
                                                           com.hp.hpl.jena.ontology.OntResource resource)

  Gets the Graph where the rdf:type statement of a certain resource is.

  Parameters:
    `ontModel` - the OntModel
    `resource` - the Resource to look up
  Returns:
    a sub graph of ontModel

### getImportSource

    public static String getImportSource(com.hp.hpl.jena.ontology.OntModel ontModel,
                                         com.hp.hpl.jena.ontology.OntResource resource)

### getOWLSpecies

    public static int getOWLSpecies(com.hp.hpl.jena.ontology.OntModel ontModel)

### getOWLSpeciesString

    public static String getOWLSpeciesString(int x)

### getNamespaceFromURI

    public static String getNamespaceFromURI(String namespace)

### getNamespaceWithoutSeparator

    public static String getNamespaceWithoutSeparator(String namespace)

### getURIFromNamespace

    public static String getURIFromNamespace(String namespace)

### isDatatypeProperty

    public static boolean isDatatypeProperty(com.hp.hpl.jena.ontology.OntModel ontModel,
                                             com.hp.hpl.jena.ontology.OntProperty ontProperty)

### isImportedResource

    public static boolean isImportedResource(com.hp.hpl.jena.ontology.OntModel ontModel,
                                             com.hp.hpl.jena.rdf.model.Model owlFullModel,
                                             com.hp.hpl.jena.ontology.OntResource ontResource)

### isNamespaceWithSeparator

    public static boolean isNamespaceWithSeparator(String str)

### isObjectProperty

    public static boolean isObjectProperty(com.hp.hpl.jena.ontology.OntModel ontModel,
                                           com.hp.hpl.jena.ontology.OntProperty ontProperty)

### isSystemProperty

    public static boolean isSystemProperty(com.hp.hpl.jena.ontology.OntProperty property)

### isSystemResource

    public static boolean isSystemResource(com.hp.hpl.jena.rdf.model.Resource ontResource)

### isSystemClass

    public static boolean isSystemClass(com.hp.hpl.jena.ontology.OntClass ontClass)

### isValidNamespace

    public static boolean isValidNamespace(String text)

### isXMLLanguage

    public static boolean isXMLLanguage(String language)

### isXMLTagHidden

    public static boolean isXMLTagHidden()

### namespaceEndsWithSeparator

    public static boolean namespaceEndsWithSeparator(String namespace)

### prepareWriter

    @Deprecated
    public static void prepareWriter(com.hp.hpl.jena.rdf.model.RDFWriter writer,
                                                String language,
                                                String namespace)

  Deprecated. - Use `prepareWriter(RDFWriter writer, String language, String namespace, String xmlBase)`

### prepareWriter

    public static void prepareWriter(com.hp.hpl.jena.rdf.model.RDFWriter writer,
                                     String language,
                                     String namespace,
                                     String xmlBase)

### removePropertyValue

    public static void removePropertyValue(com.hp.hpl.jena.ontology.OntResource resource,
                                           com.hp.hpl.jena.rdf.model.Property property,
                                           String value)

  A convenience method that removes a property value with a given toString serialization from an OntResource. This method was introduced to overcome the lack of a similar method in Jena.

  Parameters:
    `resource` - the OntResource to remove the property value from
    `property` - the Property to remove a value of
    `value` - the toString value to remove

### renameResource

    @Deprecated
    public static com.hp.hpl.jena.rdf.model.Resource renameResource(com.hp.hpl.jena.rdf.model.Resource old,
                                                                               String uri,
                                                                               com.hp.hpl.jena.rdf.model.Model owlFullModel)

  Deprecated. this has a bug (it does not rename the resource in all models) - use the other renameResource method instead

### renameResource

    public static com.hp.hpl.jena.rdf.model.Resource renameResource(com.hp.hpl.jena.ontology.OntModel ontModel,
                                                                    com.hp.hpl.jena.rdf.model.Resource old,
                                                                    String uri)

### renameResourceInGraph

    public static void renameResourceInGraph(com.hp.hpl.jena.graph.Graph graph,
                                             com.hp.hpl.jena.rdf.model.Resource old,
                                             com.hp.hpl.jena.rdf.model.Resource newResource)

### renameResourceInModel

    @Deprecated
    public static void renameResourceInModel(com.hp.hpl.jena.rdf.model.Model m,
                                                        com.hp.hpl.jena.rdf.model.Resource old,
                                                        com.hp.hpl.jena.rdf.model.Resource newResource)

  Deprecated. wrong

### saveOntModel

    public static void saveOntModel(OWLModel owlModel,
                                    File file,
                                    com.hp.hpl.jena.ontology.OntModel owldlOntModel,
                                    String message)

### set

    public static Set set(Iterator it)

  Converts an Iterator (e.g. those delivered by the Jena listXXX methods) into a List.

  Parameters:
    `it` - the Iterator to convert
  Returns:
    a List with the same elements

### set

    public static void set(Set set,
                           Iterator it)

  Converts an Iterator (e.g. those delivered by the Jena listXXX methods) into a List.

  Parameters:
    `it` - the Iterator to convert

### setXMLTagHidden

    public static void setXMLTagHidden(boolean value)

### getPropertyValue

    public static com.hp.hpl.jena.rdf.model.RDFNode getPropertyValue(com.hp.hpl.jena.rdf.model.Resource resource,
                                                                     com.hp.hpl.jena.rdf.model.Property property)

### listPropertyValues

    public static com.hp.hpl.jena.rdf.model.NodeIterator listPropertyValues(com.hp.hpl.jena.rdf.model.Resource resource,
                                                                            com.hp.hpl.jena.rdf.model.Property property)

### getDirectSubClasses

    public static Collection getDirectSubClasses(com.hp.hpl.jena.ontology.OntClass ontClass)

  Gets the direct subclasses of a given OntClass, excluding the class itself which is usually delivered by Jena.

  Parameters:
    `ontClass` - the OntClass to get the subclasses of
  Returns:
    a Collection of subclasses (OntClass instances)

### getDirectSuperClasses

    public static Collection getDirectSuperClasses(com.hp.hpl.jena.ontology.OntClass ontClass)

  Gets the direct superclasses of a given OntClass, excluding the class itself which is usually delivered by Jena.

  Parameters:
    `ontClass` - the OntClass to get the superclasses of
  Returns:
    a Collection of superclasses (OntClass instances)

### getDefaultJenaOntology

    public static com.hp.hpl.jena.ontology.Ontology getDefaultJenaOntology(String namespace,
                                                                           com.hp.hpl.jena.ontology.OntModel ontModel)

### getOntPolicyFilePath

    @Deprecated
    public static String getOntPolicyFilePath(edu.stanford.smi.protege.model.Project project)

  Deprecated.

### setOntPolicyFilePath

    @Deprecated
    public static void setOntPolicyFilePath(edu.stanford.smi.protege.model.Project project,
                                                       String path)

  Deprecated.

### removePropertyValue

    public static void removePropertyValue(com.hp.hpl.jena.rdf.model.Resource resource,
                                           com.hp.hpl.jena.rdf.model.Property property,
                                           com.hp.hpl.jena.rdf.model.RDFNode value)

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