org.fcrepo.kernel.utils

Class FedoraTypesUtils

java.lang.Object

org.fcrepo.kernel.utils.FedoraTypesUtils

public abstract class FedoraTypesUtils
extends Object

Convenience class with static methods for manipulating Fedora types in the JCR.

Author:

ajs6f

Field Summary

Fields

Modifier and Type	Field and Description
static com.google.common.base.Function<javax.jcr.Property,com.hp.hpl.jena.rdf.model.Property>	getPredicateForProperty Map a JCR property to an RDF property with the right namespace URI and local name
static com.google.common.base.Function<javax.jcr.Node,javax.jcr.ValueFactory>	getValueFactory Retrieves a JCR ValueFactory for use with a @ link Node}
static com.google.common.base.Predicate<javax.jcr.Node>	isFedoraDatastream Predicate for determining whether this Node is a Fedora datastream.
static com.google.common.base.Predicate<javax.jcr.Node>	isFedoraObject Predicate for determining whether this Node is a Fedora object.
static com.google.common.base.Predicate<javax.jcr.Node>	isFedoraResource Predicate for determining whether this Node is a Fedora object.
static com.google.common.base.Predicate<javax.jcr.Node>	isInternalNode Check if a node is "internal" and should not be exposed e.g.
static com.google.common.base.Predicate<javax.jcr.Property>	isMultipleValuedProperty Check if a JCR property is a multivalued property or not
static com.google.common.base.Function<javax.jcr.nodetype.NodeType,String>	nodetype2name Translates a NodeType to its String name.
static com.google.common.base.Function<javax.jcr.Value,String>	value2string Translates a JCR Value to its String expression.

Constructor Summary

Constructors

Constructor and Description
FedoraTypesUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static String	convertDateToXSDString(long date)
static javax.jcr.version.Version	getBaseVersion(javax.jcr.Node node) Get the JCR Base version for a node
static javax.jcr.Binary	getBinary(javax.jcr.Node n, InputStream i) Creates a JCR Binary
static javax.jcr.Binary	getBinary(javax.jcr.Node n, InputStream i, String hint) Creates a JCR Binary
static javax.jcr.nodetype.PropertyDefinition	getDefinitionForPropertyName(javax.jcr.Node node, String propertyName) Get the property definition information (containing type and multi-value information)
static javax.jcr.nodetype.NodeTypeManager	getNodeTypeManager(javax.jcr.Node node) Get the JCR Node Type manager
static long	getRepositoryCount(javax.jcr.Repository repository)
static long	getRepositorySize(javax.jcr.Repository repository)
static javax.jcr.version.VersionHistory	getVersionHistory(javax.jcr.Node node) Get the JCR VersionHistory for an existing node.
static javax.jcr.version.VersionHistory	getVersionHistory(javax.jcr.Session session, String path) Get the JCR VersionHistory for a node at a given JCR path
static <F,T> Collection<T>	map(F[] input, com.google.common.base.Function<F,T> f) Convenience method for transforming arrays into Collections through a mapping Function.

Methods inherited from class java.lang.Object

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

Field Detail

isFedoraResource

public static com.google.common.base.Predicate<javax.jcr.Node> isFedoraResource

Predicate for determining whether this Node is a Fedora object.

isFedoraObject

public static com.google.common.base.Predicate<javax.jcr.Node> isFedoraObject

Predicate for determining whether this Node is a Fedora object.

isFedoraDatastream

public static com.google.common.base.Predicate<javax.jcr.Node> isFedoraDatastream

Predicate for determining whether this Node is a Fedora datastream.

nodetype2name

public static com.google.common.base.Function<javax.jcr.nodetype.NodeType,String> nodetype2name

Translates a NodeType to its String name.

value2string

public static com.google.common.base.Function<javax.jcr.Value,String> value2string

Translates a JCR Value to its String expression.

isMultipleValuedProperty

public static com.google.common.base.Predicate<javax.jcr.Property> isMultipleValuedProperty

Check if a JCR property is a multivalued property or not

isInternalNode

public static com.google.common.base.Predicate<javax.jcr.Node> isInternalNode

Check if a node is "internal" and should not be exposed e.g. via the REST API

getValueFactory

public static com.google.common.base.Function<javax.jcr.Node,javax.jcr.ValueFactory> getValueFactory

Retrieves a JCR ValueFactory for use with a @ link Node}

getPredicateForProperty

public static com.google.common.base.Function<javax.jcr.Property,com.hp.hpl.jena.rdf.model.Property> getPredicateForProperty

Map a JCR property to an RDF property with the right namespace URI and local name

Constructor Detail

FedoraTypesUtils

public FedoraTypesUtils()

Method Detail

getBinary

public static javax.jcr.Binary getBinary(javax.jcr.Node n,
                         InputStream i)

Creates a JCR Binary

Parameters:

n - a Node

i - an InputStream

Returns:

a JCR Binary

getBinary

public static javax.jcr.Binary getBinary(javax.jcr.Node n,
                         InputStream i,
                         String hint)

Creates a JCR Binary

Parameters:

n - a Node

i - an InputStream

Returns:

a JCR Binary

getNodeTypeManager

public static javax.jcr.nodetype.NodeTypeManager getNodeTypeManager(javax.jcr.Node node)
                                                             throws javax.jcr.RepositoryException

Get the JCR Node Type manager

Parameters:

node -

Returns:

Throws:

javax.jcr.RepositoryException

getDefinitionForPropertyName

public static javax.jcr.nodetype.PropertyDefinition getDefinitionForPropertyName(javax.jcr.Node node,
                                                                 String propertyName)
                                                                          throws javax.jcr.RepositoryException

Get the property definition information (containing type and multi-value information)

Parameters:

node - the node to use for inferring the property definition

propertyName - the property name to retrieve a definition for

Returns:

a JCR PropertyDefinition, if available, or null

Throws:

javax.jcr.RepositoryException

map

public static <F,T> Collection<T> map(F[] input,
                      com.google.common.base.Function<F,T> f)

Convenience method for transforming arrays into Collections through a mapping Function.

Parameters:

input - A Collection.

f - A Function.

Returns:

An ImmutableSet copy of input after transformation by f

convertDateToXSDString

public static String convertDateToXSDString(long date)

Parameters:

date - Instance of java.util.Date.

Returns:

the lexical form of the XSD dateTime value, e.g. "2006-11-13T09:40:55.001Z".

getBaseVersion

public static javax.jcr.version.Version getBaseVersion(javax.jcr.Node node)
                                                throws javax.jcr.RepositoryException

Get the JCR Base version for a node

Parameters:

node -

Returns:

Throws:

javax.jcr.RepositoryException

getVersionHistory

public static javax.jcr.version.VersionHistory getVersionHistory(javax.jcr.Node node)
                                                          throws javax.jcr.RepositoryException

Get the JCR VersionHistory for an existing node.

Parameters:

node -

Returns:

Throws:

javax.jcr.RepositoryException

getVersionHistory

public static javax.jcr.version.VersionHistory getVersionHistory(javax.jcr.Session session,
                                                 String path)
                                                          throws javax.jcr.RepositoryException

Get the JCR VersionHistory for a node at a given JCR path

Parameters:

session -

path -

Returns:

Throws:

javax.jcr.RepositoryException

getRepositoryCount

public static long getRepositoryCount(javax.jcr.Repository repository)
                               throws javax.jcr.RepositoryException

Returns:

a double of the size of the fedora:datastream binary content

Throws:

javax.jcr.RepositoryException

getRepositorySize

public static long getRepositorySize(javax.jcr.Repository repository)
                              throws javax.jcr.RepositoryException

Returns:

a double of the size of the fedora:datastream binary content

Throws:

javax.jcr.RepositoryException