Module org.apache.jena.arq
Package org.apache.jena.riot.system

Class PrefixMapNull

java.lang.Object
org.apache.jena.riot.system.PrefixMapNull
All Implemented Interfaces:
PrefixMap
Direct Known Subclasses:
PrefixMapSink, PrefixMapZero
public abstract class PrefixMapNull extends Object implements PrefixMap
Base of always empty prefix maps PrefixMapSink and PrefixMapZero.

  • Method Details

    • getMapping

      public Map<String,String> 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
      See Also:

    • getMappingCopy

      public Map<String,String> 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

    • forEach

      public void forEach(BiConsumer<String,String> action)
      Description copied from interface: PrefixMap
      Apply a BiConsumer<String, String> to each entry in the PrefixMap.
      Specified by:
      forEach in interface PrefixMap

    • stream

      public Stream<PrefixEntry> stream()
      Description copied from interface: PrefixMap
      Return a stream of PrefixEntry, pairs of prefix and URI.
      Specified by:
      stream in interface PrefixMap

    • get

      public String get(String prefix)
      Description copied from interface: PrefixMap
      Return the URI for the prefix, or null if there is no entry for this prefix.
      Specified by:
      get in interface PrefixMap

    • add

      public void add(String prefix, String 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(org.apache.jena.shared.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

    • clear

      public void clear()
      Description copied from interface: PrefixMap
      Clear all prefixes.
      Specified by:
      clear in interface PrefixMap

    • containsPrefix

      public boolean containsPrefix(String prefix)
      Description copied from interface: PrefixMap
      Gets whether the map contains a given prefix
      Specified by:
      containsPrefix 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 org.apache.jena.atlas.lib.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:

    • 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 prefix map is empty or not.
      Specified by:
      isEmpty in interface PrefixMap

    • size

      public int size()
      Description copied from interface: PrefixMap
      Return the number of entries in the prefix map.
      Specified by:
      size in interface PrefixMap