Package org.restlet.ext.rdf

Class GraphHandler

  • Direct Known Subclasses:
    GraphBuilder
    public abstract class GraphHandler
extends java.lang.Object
    Handler for the content of a Graph. List of callbacks used when parsing or writing a representation of a RDF graph.

    • Constructor Summary

      Constructors 
      Constructor Description
      GraphHandler()  

    • Method Summary

      All Methods Instance Methods Abstract Methods Concrete Methods 
      Modifier and Type Method Description
      void endGraph()
      Callback method used after the graph is parsed or written.
      void endPrefixMapping​(java.lang.String prefix)
      Callback method used at the end of a Namespace mapping.
      abstract void link​(org.restlet.data.Reference source, org.restlet.data.Reference typeRef, org.restlet.data.Reference target)
      Callback method used when a link is parsed or written.
      abstract void link​(org.restlet.data.Reference source, org.restlet.data.Reference typeRef, Literal target)
      Callback method used when a link is parsed or written.
      abstract void link​(Graph source, org.restlet.data.Reference typeRef, org.restlet.data.Reference target)
      Callback method used when a link is parsed or written.
      abstract void link​(Graph source, org.restlet.data.Reference typeRef, Literal target)
      Callback method used when a link is parsed or written.
      void startGraph()
      Callback method used before the graph is parsed or written.
      void startPrefixMapping​(java.lang.String prefix, org.restlet.data.Reference reference)
      Callback method used at the start of a Namespace mapping.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • GraphHandler

        public GraphHandler()

    • Method Detail

      • endGraph

        public void endGraph()
              throws java.io.IOException
        Callback method used after the graph is parsed or written. Does nothing by default.
        Throws:
        java.io.IOException

      • endPrefixMapping

        public void endPrefixMapping​(java.lang.String prefix)
        Callback method used at the end of a Namespace mapping. Does nothing by default.
        Parameters:
        prefix - The Namespace prefix.

      • link

        public abstract void link​(Graph source,
                          org.restlet.data.Reference typeRef,
                          Literal target)
        Callback method used when a link is parsed or written.
        Parameters:
        source - The source or subject of the link.
        typeRef - The type reference of the link.
        target - The target or object of the link.

      • link

        public abstract void link​(Graph source,
                          org.restlet.data.Reference typeRef,
                          org.restlet.data.Reference target)
        Callback method used when a link is parsed or written.
        Parameters:
        source - The source or subject of the link.
        typeRef - The type reference of the link.
        target - The target or object of the link.

      • link

        public abstract void link​(org.restlet.data.Reference source,
                          org.restlet.data.Reference typeRef,
                          Literal target)
        Callback method used when a link is parsed or written.
        Parameters:
        source - The source or subject of the link.
        typeRef - The type reference of the link.
        target - The target or object of the link.

      • link

        public abstract void link​(org.restlet.data.Reference source,
                          org.restlet.data.Reference typeRef,
                          org.restlet.data.Reference target)
        Callback method used when a link is parsed or written.
        Parameters:
        source - The source or subject of the link.
        typeRef - The type reference of the link.
        target - The target or object of the link.

      • startGraph

        public void startGraph()
                throws java.io.IOException
        Callback method used before the graph is parsed or written. Does nothing by default.
        Throws:
        java.io.IOException

      • startPrefixMapping

        public void startPrefixMapping​(java.lang.String prefix,
                               org.restlet.data.Reference reference)
        Callback method used at the start of a Namespace mapping. Does nothing by default.
        Parameters:
        prefix - The Namespace prefix being declared.
        reference - The Namespace URI mapped to the prefix.