org.apache.jena.riot.system
Class PrefixMapNull

java.lang.Object
  org.apache.jena.riot.system.PrefixMapNull

All Implemented Interfaces:

PrefixMap

public class PrefixMapNull
extends Object
implements PrefixMap

Always empty prefix map

Field Summary

static PrefixMap

empty

Method Summary

Pair<String,String>	abbrev(String uriStr) Abbreviate an IRI and return a pair of prefix and local parts, or null.
String	abbreviate(String uriStr) Abbreviate an IRI or return null
void	add(String prefix, org.apache.jena.iri.IRI iri) Add a prefix, overwrites any existing association
void	add(String prefix, String iriString) Add a prefix, overwrites any existing association
boolean	contains(String prefix) Gets whether the map contains a given prefix
void	delete(String prefix) Delete a prefix
String	expand(String prefixedName) Expand a prefix named, return null if it can't be expanded
String	expand(String prefix, String localName) Expand a prefix, return null if it can't be expanded
Map<String,org.apache.jena.iri.IRI>	getMapping() Return the underlying mapping, this is generally unsafe to modify and implementations may opt to return an unmodifiable view of the mapping if they wish
Map<String,org.apache.jena.iri.IRI>	getMappingCopy() Return a fresh copy of the underlying mapping, should be safe to modify unlike the mapping returned from PrefixMap.getMapping()
Map<String,String>	getMappingCopyStr() Gets a fresh copy of the mapping with the IRIs translated into their strings
boolean	isEmpty() return whether the
void	putAll(Map<String,String> mapping) Add a prefix, overwrites any existing association
void	putAll(PrefixMap pmap) Add a prefix, overwrites any existing association
void	putAll(PrefixMapping pmap) Add a prefix, overwrites any existing association
int	size() Return the number of entries in the prefix map.

Methods inherited from class java.lang.Object

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

Field Detail

empty

public static PrefixMap empty

Method Detail

getMapping

public Map<String,org.apache.jena.iri.IRI> getMapping()

Description copied from interface: PrefixMap

Return the underlying mapping, this is generally unsafe to modify and implementations may opt to return an unmodifiable view of the mapping if they wish

Specified by:

getMapping in interface PrefixMap

Returns:

Underlying mapping

getMappingCopy

public Map<String,org.apache.jena.iri.IRI> getMappingCopy()

Description copied from interface: PrefixMap

Return a fresh copy of the underlying mapping, should be safe to modify unlike the mapping returned from PrefixMap.getMapping()

Specified by:

getMappingCopy in interface PrefixMap

Returns:

Copy of the mapping

getMappingCopyStr

public Map<String,String> getMappingCopyStr()

Description copied from interface: PrefixMap

Gets a fresh copy of the mapping with the IRIs translated into their strings

Specified by:

getMappingCopyStr in interface PrefixMap

Returns:

Copy of the mapping

add

public void add(String prefix,
                String iriString)

Description copied from interface: PrefixMap

Add a prefix, overwrites any existing association

Specified by:

add in interface PrefixMap

Parameters:

prefix - Prefix

iriString - Namespace IRI

add

public void add(String prefix,
                org.apache.jena.iri.IRI iri)

Description copied from interface: PrefixMap

Add a prefix, overwrites any existing association

Specified by:

add in interface PrefixMap

Parameters:

prefix - Prefix

iri - Namespace IRI

putAll

public void putAll(PrefixMap pmap)

Description copied from interface: PrefixMap

Add a prefix, overwrites any existing association

Specified by:

putAll in interface PrefixMap

Parameters:

pmap - Prefix Map

putAll

public void putAll(PrefixMapping pmap)

Description copied from interface: PrefixMap

Add a prefix, overwrites any existing association

Specified by:

putAll in interface PrefixMap

Parameters:

pmap - Prefix Mapping

putAll

public void putAll(Map<String,String> mapping)

Description copied from interface: PrefixMap

Add a prefix, overwrites any existing association

Specified by:

putAll in interface PrefixMap

Parameters:

mapping - A Map of prefix name to IRI string

delete

public void delete(String prefix)

Description copied from interface: PrefixMap

Delete a prefix

Specified by:

delete in interface PrefixMap

Parameters:

prefix - Prefix to delete

contains

public boolean contains(String prefix)

Description copied from interface: PrefixMap

Gets whether the map contains a given prefix

Specified by:

contains in interface PrefixMap

Parameters:

prefix - Prefix

Returns:

True if the prefix is contained in the map, false otherwise

abbreviate

public String abbreviate(String uriStr)

Description copied from interface: PrefixMap

Abbreviate an IRI or return null

Specified by:

abbreviate in interface PrefixMap

Parameters:

uriStr - URI to abbreviate

Returns:

URI in prefixed name form if possible, null otherwise

abbrev

public Pair<String,String> abbrev(String uriStr)

Description copied from interface: PrefixMap

Abbreviate an IRI and return a pair of prefix and local parts, or null.

Specified by:

abbrev in interface PrefixMap

Parameters:

uriStr - URI string to abbreviate

Returns:

Pair of prefix and local name

See Also:

PrefixMap.abbreviate(java.lang.String)

expand

public String expand(String prefixedName)

Description copied from interface: PrefixMap

Expand a prefix named, return null if it can't be expanded

Specified by:

expand in interface PrefixMap

Parameters:

prefixedName - Prefixed Name

Returns:

Expanded URI if possible, null otherwise

expand

public String expand(String prefix,
                     String localName)

Description copied from interface: PrefixMap

Expand a prefix, return null if it can't be expanded

Specified by:

expand in interface PrefixMap

Parameters:

prefix - Prefix

localName - Local name

Returns:

Expanded URI if possible, null otherwise

isEmpty

public boolean isEmpty()

Description copied from interface: PrefixMap

return whether the

Specified by:

isEmpty in interface PrefixMap

Returns:

boolean

size

public int size()

Description copied from interface: PrefixMap

Return the number of entries in the prefix map.

Specified by:

size in interface PrefixMap

Returns:

Size of the prefix mapping