Package org.dom4j.tree

Class QNameCache

  • public class QNameCache
extends java.lang.Object

    QNameCache caches instances of QName for reuse both across documents and within documents.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected java.util.Map<Namespace,​java.util.Map<java.lang.String,​QName>> namespaceCache
      Cache of Mapinstances indexed by namespace which contain caches of QNamefor each name
      protected java.util.Map<java.lang.String,​QName> noNamespaceCache
      Cache of QNameinstances with no namespace

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected java.util.Map<java.lang.String,​QName> createMap()
      A factory method
      protected QName createQName​(java.lang.String name)
      Factory method to create a new QName object which can be overloaded to create derived QName instances
      protected QName createQName​(java.lang.String name, Namespace namespace)
      Factory method to create a new QName object which can be overloaded to create derived QName instances
      protected QName createQName​(java.lang.String name, Namespace namespace, java.lang.String qualifiedName)
      Factory method to create a new QName object which can be overloaded to create derived QName instances
      QName get​(java.lang.String name)
      DOCUMENT ME!
      QName get​(java.lang.String qualifiedName, java.lang.String uri)  
      QName get​(java.lang.String name, Namespace namespace)
      DOCUMENT ME!
      QName get​(java.lang.String localName, Namespace namespace, java.lang.String qName)
      DOCUMENT ME!
      protected java.util.Map<java.lang.String,​QName> getNamespaceCache​(Namespace namespace)
      DOCUMENT ME!
      java.util.List<QName> getQNames()
      Returns a list of all the QName instances currently used
      QName intern​(QName qname)
      DOCUMENT ME!

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • noNamespaceCache

        protected java.util.Map<java.lang.String,​QName> noNamespaceCache
        Cache of QNameinstances with no namespace

      • namespaceCache

        protected java.util.Map<Namespace,​java.util.Map<java.lang.String,​QName>> namespaceCache
        Cache of Mapinstances indexed by namespace which contain caches of QNamefor each name

    • Constructor Detail

      • QNameCache

        public QNameCache()

    • Method Detail

      • getQNames

        public java.util.List<QName> getQNames()
        Returns a list of all the QName instances currently used
        Returns:
        DOCUMENT ME!

      • get

        public QName get​(java.lang.String name)
        DOCUMENT ME!
        Parameters:
        name - DOCUMENT ME!
        Returns:
        the QName for the given name and no namepsace

      • get

        public QName get​(java.lang.String name,
                 Namespace namespace)
        DOCUMENT ME!
        Parameters:
        name - DOCUMENT ME!
        namespace - DOCUMENT ME!
        Returns:
        the QName for the given local name and namepsace

      • get

        public QName get​(java.lang.String localName,
                 Namespace namespace,
                 java.lang.String qName)
        DOCUMENT ME!
        Parameters:
        localName - DOCUMENT ME!
        namespace - DOCUMENT ME!
        qName - DOCUMENT ME!
        Returns:
        the QName for the given local name, qualified name and namepsace

      • get

        public QName get​(java.lang.String qualifiedName,
                 java.lang.String uri)

      • intern

        public QName intern​(QName qname)
        DOCUMENT ME!
        Parameters:
        qname - DOCUMENT ME!
        Returns:
        the cached QName instance if there is one or adds the given qname to the cache if not

      • getNamespaceCache

        protected java.util.Map<java.lang.String,​QName> getNamespaceCache​(Namespace namespace)
        DOCUMENT ME!
        Parameters:
        namespace - DOCUMENT ME!
        Returns:
        the cache for the given namespace. If one does not currently exist it is created.

      • createMap

        protected java.util.Map<java.lang.String,​QName> createMap()
        A factory method
        Returns:
        a newly created Mapinstance.

      • createQName

        protected QName createQName​(java.lang.String name)
        Factory method to create a new QName object which can be overloaded to create derived QName instances
        Parameters:
        name - DOCUMENT ME!
        Returns:
        DOCUMENT ME!

      • createQName

        protected QName createQName​(java.lang.String name,
                            Namespace namespace)
        Factory method to create a new QName object which can be overloaded to create derived QName instances
        Parameters:
        name - DOCUMENT ME!
        namespace - DOCUMENT ME!
        Returns:
        DOCUMENT ME!

      • createQName

        protected QName createQName​(java.lang.String name,
                            Namespace namespace,
                            java.lang.String qualifiedName)
        Factory method to create a new QName object which can be overloaded to create derived QName instances
        Parameters:
        name - DOCUMENT ME!
        namespace - DOCUMENT ME!
        qualifiedName - DOCUMENT ME!
        Returns:
        DOCUMENT ME!