Package org.apache.jena.util

Class PrintUtil

  • public class PrintUtil
extends java.lang.Object
    A collection of small utilities for pretty printing nodes, triples and associated things. The core functionality here is a static prefix map which is preloaded with known prefixes.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static java.lang.String egNS
      Default built in eg namespace used in testing

    • Constructor Summary

      Constructors 
      Constructor Description
      PrintUtil()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.lang.String expandQname​(java.lang.String uri)
      Expand qnames to URIs.
      static void init()
      Load built in prefixes.
      static java.lang.String print​(java.lang.Object obj)
      Default print which just uses tostring
      static java.lang.String print​(Node node)
      Return a simplified print string for a Node.
      static java.lang.String print​(Triple triple)
      Return a simplified print string for a Triple
      static java.lang.String print​(RDFNode node)
      Return a simplified print string for an RDFNode.
      static java.lang.String print​(Statement stmt)
      Return a simplified print string for a statement
      static java.lang.String print​(TriplePattern triple)
      Return a simplified print string for a TriplePattern
      static void printIndent​(java.io.PrintWriter out, int indent)
      Print an n-space indent to the given output stream
      static void printOut​(java.util.Iterator<?> it)
      Print all the Triple values from a find iterator.
      static void registerPrefix​(java.lang.String prefix, java.lang.String namespace)
      Register a new prefix/namespace mapping which will be used to shorten the print strings for resources in known namespaces.
      static void registerPrefixMap​(java.util.Map<java.lang.String,​java.lang.String> map)
      Register a set of new prefix/namespace mapping which will be used to shorten the print strings for resources in known namespaces.
      static void removePrefix​(java.lang.String prefix)
      Remove a registered prefix from the table of known short forms
      static void removePrefixMap​(java.util.Map<java.lang.String,​java.lang.String> map)
      Remove a set of prefix mappings from the table of known short forms

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • egNS

        public static final java.lang.String egNS
        Default built in eg namespace used in testing
        See Also:
        Constant Field Values

    • Constructor Detail

      • PrintUtil

        public PrintUtil()

    • Method Detail

      • init

        public static void init()
        Load built in prefixes.

      • registerPrefix

        public static void registerPrefix​(java.lang.String prefix,
                                  java.lang.String namespace)
        Register a new prefix/namespace mapping which will be used to shorten the print strings for resources in known namespaces.

      • registerPrefixMap

        public static void registerPrefixMap​(java.util.Map<java.lang.String,​java.lang.String> map)
        Register a set of new prefix/namespace mapping which will be used to shorten the print strings for resources in known namespaces.

      • removePrefix

        public static void removePrefix​(java.lang.String prefix)
        Remove a registered prefix from the table of known short forms

      • removePrefixMap

        public static void removePrefixMap​(java.util.Map<java.lang.String,​java.lang.String> map)
        Remove a set of prefix mappings from the table of known short forms

      • print

        public static java.lang.String print​(Node node)
        Return a simplified print string for a Node.

      • print

        public static java.lang.String print​(RDFNode node)
        Return a simplified print string for an RDFNode.

      • print

        public static java.lang.String print​(Triple triple)
        Return a simplified print string for a Triple

      • print

        public static java.lang.String print​(TriplePattern triple)
        Return a simplified print string for a TriplePattern

      • print

        public static java.lang.String print​(Statement stmt)
        Return a simplified print string for a statement

      • print

        public static java.lang.String print​(java.lang.Object obj)
        Default print which just uses tostring

      • expandQname

        public static java.lang.String expandQname​(java.lang.String uri)
        Expand qnames to URIs. If the given URI appears to start with one of the registered prefixes then expand the prefix, otherwise return the original URI

      • printIndent

        public static void printIndent​(java.io.PrintWriter out,
                               int indent)
        Print an n-space indent to the given output stream

      • printOut

        public static void printOut​(java.util.Iterator<?> it)
        Print all the Triple values from a find iterator.