org.apache.jena.rdf.model.impl.Util.isLangString()方法的使用及代码示例

x33g5p2x  于2022-02-01 转载在 其他  
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本文整理了Java中org.apache.jena.rdf.model.impl.Util.isLangString()方法的一些代码示例，展示了Util.isLangString()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Util.isLangString()方法的具体详情如下：
包路径：org.apache.jena.rdf.model.impl.Util
类名称：Util
方法名：isLangString

Util.isLangString介绍

[英]A Node is a language string if it has a language tag. (RDF 1.0 and RDF 1.1)
[中]如果一个节点有一个语言标记，那么它就是一个语言字符串。（RDF 1.0和RDF 1.1）

代码示例

代码示例来源：origin: apache/jena

  1. /**
  2.  * A Node is a language string if it has a language tag. 
  3.  * (RDF 1.0 and RDF 1.1)
  4.  */
  5. public static boolean isLangString(Node n) { return Util.isLangString(n) ; }

代码示例来源：origin: apache/jena

  1. /** Return true if the literal is a simple string.
  2.  *  <p>RDF 1.0 {@literal =>} it is a plain literal, with no language tag
  3.  *  <p>RDF 1.1 {@literal =>} it has datatype xsd:string
  4.  */ 
  5. public static boolean isSimpleString(Literal lit) {
  6.   Objects.requireNonNull(lit) ;
  7.   String dtStr = lit.getDatatypeURI() ;
  8.   if (  dtStr == null )
  9.     return ! isLangString(lit) ;
  10.   if ( JenaRuntime.isRDF11 )
  11.     return dtStr.equals(XSDDatatype.XSDstring.getURI());
  12.   return false ;
  13. }

代码示例来源：origin: org.apache.jena/jena-core

  1. /** Return true if the literal is a simple string.
  2.  *  <p>RDF 1.0 {@literal =>} it is a plain literal, with no language tag
  3.  *  <p>RDF 1.1 {@literal =>} it has datatype xsd:string
  4.  */ 
  5. public static boolean isSimpleString(Literal lit) {
  6.   Objects.requireNonNull(lit) ;
  7.   String dtStr = lit.getDatatypeURI() ;
  8.   if (  dtStr == null )
  9.     return ! isLangString(lit) ;
  10.   if ( JenaRuntime.isRDF11 )
  11.     return dtStr.equals(XSDDatatype.XSDstring.getURI());
  12.   return false ;
  13. }

代码示例来源：origin: apache/jena

  1. /**
  2.  * A Node is a simple string if: 
  3.  * <li>(RDF 1.0) No datatype and no language tag.
  4.  * <li>(RDF 1.1) xsd:string
  5.  */
  6. public static boolean isSimpleString(Node n) {
  7.   Objects.requireNonNull(n) ;
  8.   if ( ! n.isLiteral() )
  9.     return false ;
  10.   RDFDatatype dt = n.getLiteralDatatype() ;
  11.   if ( dt == null )
  12.     return !isLangString(n) ;
  13.   if ( JenaRuntime.isRDF11 )
  14.     return dt.equals(XSDDatatype.XSDstring) ;
  15.   return false ;
  16. }

代码示例来源：origin: org.apache.jena/jena-core

  1. /**
  2.  * A Node is a simple string if: 
  3.  * <li>(RDF 1.0) No datatype and no language tag.
  4.  * <li>(RDF 1.1) xsd:string
  5.  */
  6. public static boolean isSimpleString(Node n) {
  7.   Objects.requireNonNull(n) ;
  8.   if ( ! n.isLiteral() )
  9.     return false ;
  10.   RDFDatatype dt = n.getLiteralDatatype() ;
  11.   if ( dt == null )
  12.     return !isLangString(n) ;
  13.   if ( JenaRuntime.isRDF11 )
  14.     return dt.equals(XSDDatatype.XSDstring) ;
  15.   return false ;
  16. }

代码示例来源：origin: apache/jena

  1. /**
  2.    * Match a ground RDF Term (ANY and variables are considered ground terms in the
  3.    * data term) with a node which can be a wildcard (ANY or null).
  4.    * Language tags compare case-insensitively. 
  5.    */
  6.   private static boolean sameTermMatch(Node match, Node data) {
  7.     if ( ! Util.isLangString(data) || ! Util.isLangString(match) )
  8.       // No lang tag
  9.       return (match==null) || (match == Node.ANY) || match.equals(data) ;
  11.     // Concrete match, which is a lang tag literal.
  12.     // Language tags compare case insensitively.
  13.     String lex1 = data.getLiteralLexicalForm();
  14.     String lex2 = data.getLiteralLexicalForm();
  15.     String lang1 = data.getLiteralLanguage();
  16.     String lang2 = data.getLiteralLanguage();
  17.     return lex1.equals(lex2) && lang1.equalsIgnoreCase(lang2);
  18.   }
  19. }

代码示例来源：origin: org.apache.jena/jena-core

  1. /**
  2.    * Match a ground RDF Term (ANY and variables are considered ground terms in the
  3.    * data term) with a node which can be a wildcard (ANY or null).
  4.    * Language tags compare case-insensitively. 
  5.    */
  6.   private static boolean sameTermMatch(Node match, Node data) {
  7.     if ( ! Util.isLangString(data) || ! Util.isLangString(match) )
  8.       // No lang tag
  9.       return (match==null) || (match == Node.ANY) || match.equals(data) ;
  11.     // Concrete match, which is a lang tag literal.
  12.     // Language tags compare case insensitively.
  13.     String lex1 = data.getLiteralLexicalForm();
  14.     String lex2 = data.getLiteralLexicalForm();
  15.     String lang1 = data.getLiteralLanguage();
  16.     String lang2 = data.getLiteralLanguage();
  17.     return lex1.equals(lex2) && lang1.equalsIgnoreCase(lang2);
  18.   }
  19. }

代码示例来源：origin: apache/jena

  1. /**
  2.  * Return true if this is a "plain" (i.e. old style, not typed) literal.
  3.  * For RDF 1.1, the most compatible choice is "xsd:string" or "rdf:langString". 
  4.  */
  5. private boolean isPlainLiteral() {
  6.   if ( JenaRuntime.isRDF11 )
  7.     return Util.isLangString(this) || Util.isSimpleString(this) ;  
  8.   else
  9.     return asNode().getLiteralDatatype() == null;
  10. }

代码示例来源：origin: org.apache.jena/jena-core

  1. /**
  2.  * Return true if this is a "plain" (i.e. old style, not typed) literal.
  3.  * For RDF 1.1, the most compatible choice is "xsd:string" or "rdf:langString". 
  4.  */
  5. private boolean isPlainLiteral() {
  6.   if ( JenaRuntime.isRDF11 )
  7.     return Util.isLangString(this) || Util.isSimpleString(this) ;  
  8.   else
  9.     return asNode().getLiteralDatatype() == null;
  10. }

代码示例来源：origin: org.apache.jena/jena-core

  1. sbuff.append(quoteMarks);
  2. if ( Util.isLangString(literal) ) {
  3.   sbuff.append("@") ;
  4.   sbuff.append(lang) ;

代码示例来源：origin: apache/jena

  1. protected void writeLiteral( Literal l, PrintWriter writer ) {
  2.   String lang = l.getLanguage();
  3.   String form = l.getLexicalForm();
  4.   if (Util.isLangString(l)) {
  5.     writer.print(" xml:lang=" + attributeQuoted( lang ));
  6.   } else if (l.isWellFormedXML() && !blockLiterals) {
  7.     // RDF XML Literals inline.
  8.     writer.print(" " + rdfAt("parseType") + "=" + attributeQuoted( "Literal" )+">");
  9.     writer.print( form );
  10.     return ;
  11.   } else {
  12.     // Datatype (if not xsd:string and RDF 1.1) 
  13.     String dt = l.getDatatypeURI();
  14.     if ( ! Util.isSimpleString(l) ) 
  15.       writer.print( " " + rdfAt( "datatype" ) + "=" + substitutedAttribute( dt ) );
  16.   }
  17.   // Content.
  18.   writer.print(">");
  19.   writer.print( Util.substituteEntitiesInElementContent( form ) );
  20. }

代码示例来源：origin: org.apache.jena/jena-core

  1. protected void writeLiteral( Literal l, PrintWriter writer ) {
  2.   String lang = l.getLanguage();
  3.   String form = l.getLexicalForm();
  4.   if (Util.isLangString(l)) {
  5.     writer.print(" xml:lang=" + attributeQuoted( lang ));
  6.   } else if (l.isWellFormedXML() && !blockLiterals) {
  7.     // RDF XML Literals inline.
  8.     writer.print(" " + rdfAt("parseType") + "=" + attributeQuoted( "Literal" )+">");
  9.     writer.print( form );
  10.     return ;
  11.   } else {
  12.     // Datatype (if not xsd:string and RDF 1.1) 
  13.     String dt = l.getDatatypeURI();
  14.     if ( ! Util.isSimpleString(l) ) 
  15.       writer.print( " " + rdfAt( "datatype" ) + "=" + substitutedAttribute( dt ) );
  16.   }
  17.   // Content.
  18.   writer.print(">");
  19.   writer.print( Util.substituteEntitiesInElementContent( form ) );
  20. }

代码示例来源：origin: apache/jena

  1. if (! isLangString(o) && ! isSimpleString(o) )

代码示例来源：origin: apache/jena

  1. public static NodeValue strEncodeForURI(NodeValue v) {
  2.   Node n = v.asNode() ;
  3.   if ( !n.isLiteral() )
  4.     throw new ExprEvalException("Not a literal") ;
  5.   if ( ! Util.isSimpleString(n) && ! Util.isLangString(n) )  
  6.     throw new ExprEvalException("Not a string literal") ;
  7.   String str = n.getLiteralLexicalForm() ;
  8.   String encStr = IRILib.encodeUriComponent(str) ;
  9.   encStr = IRILib.encodeNonASCII(encStr) ;
  10.   return NodeValue.makeString(encStr) ;
  11. }

代码示例来源：origin: apache/jena

  1. private void printLiteral(Literal literal) {
  2.   String datatype = literal.getDatatypeURI();
  3.   String lang = literal.getLanguage();
  4.   if ( Util.isSimpleString(literal) || Util.isLangString(literal) ) {
  5.     print(quoteName(kType), ": ", quote(kLiteral), " , ");
  6.     if ( multiLineValues )
  7.       println();
  8.     if ( lang != null && !lang.equals("") ) {
  9.       print(quoteName(kXmlLang), ": ", quote(lang), " , ");
  10.       if ( multiLineValues )
  11.         println();
  12.     }
  13.   } else {
  14.     print(quoteName(kType), ": ", quote(kLiteral), " , ");
  15.     if ( multiLineValues )
  16.       println();
  17.     print(quoteName(kDatatype), ": ", quote(datatype), " , ");
  18.     if ( multiLineValues )
  19.       println();
  20.   }
  21.   print(quoteName(kValue), ": ", quote(literal.getLexicalForm()));
  22.   if ( multiLineValues )
  23.     println();
  24. }

代码示例来源：origin: org.apache.jena/jena-core

  1. private boolean wPropertyEltDatatype(WType wt, Property prop, Statement s,
  2.     RDFNode r) {
  3.   if (! (r instanceof Literal) )
  4.     return false ;
  5.   Literal lit = ((Literal) r) ;
  6.   if ( Util.isSimpleString(lit) ) 
  7.     return false;
  8.   if ( Util.isLangString(lit) )
  9.     return false;
  10.   
  11.   // print out with "datatype="
  12.   done(s);
  13.   tab();
  14.   print("<");
  15.   wt.wTypeStart(prop);
  16.   wIdAttrReified(s);
  17.   maybeNewline();
  18.   wDatatype(((Literal) r).getDatatypeURI());
  19.   maybeNewline();
  20.   print(">");
  21.   print(Util.substituteEntitiesInElementContent(((Literal) r)
  22.       .getLexicalForm()));
  23.   print("</");
  24.   wt.wTypeEnd(prop);
  25.   print(">");
  26.   return true;
  27. }

代码示例来源：origin: apache/jena

  1. private boolean wPropertyEltDatatype(WType wt, Property prop, Statement s,
  2.     RDFNode r) {
  3.   if (! (r instanceof Literal) )
  4.     return false ;
  5.   Literal lit = ((Literal) r) ;
  6.   if ( Util.isSimpleString(lit) ) 
  7.     return false;
  8.   if ( Util.isLangString(lit) )
  9.     return false;
  10.   
  11.   // print out with "datatype="
  12.   done(s);
  13.   tab();
  14.   print("<");
  15.   wt.wTypeStart(prop);
  16.   wIdAttrReified(s);
  17.   maybeNewline();
  18.   wDatatype(((Literal) r).getDatatypeURI());
  19.   maybeNewline();
  20.   print(">");
  21.   print(Util.substituteEntitiesInElementContent(((Literal) r)
  22.       .getLexicalForm()));
  23.   print("</");
  24.   wt.wTypeEnd(prop);
  25.   print(">");
  26.   return true;
  27. }

代码示例来源：origin: apache/jena

  1. void printLiteral(Literal literal) {
  2.   out.print("<");
  3.   out.print(dfLiteral);
  4.   if ( Util.isLangString(literal) ) {
  5.     String lang = literal.getLanguage();
  6.     out.print(" xml:lang=\"");
  7.     out.print(literal.getLanguage());
  8.     out.print("\"");
  9.   } else if ( !Util.isSimpleString(literal) ) {
  10.     // Datatype
  11.     // (RDF 1.1) not xsd:string nor rdf:langString.
  12.     // (RDF 1.0) any datatype.
  13.     String datatype = literal.getDatatypeURI();
  14.     out.print(" ");
  15.     out.print(dfAttrDatatype);
  16.     out.print("=\"");
  17.     out.print(datatype);
  18.     out.print("\"");
  19.   }
  20.   out.print(">");
  21.   out.print(xml_escape(literal.getLexicalForm()));
  22.   out.print("</");
  23.   out.print(dfLiteral);
  24.   out.println(">");
  25. }

代码示例来源：origin: apache/jena

  1. if ( Util.isLangString(node) ) {
  2.   String lang = node.getLiteralLanguage() ;
  3.   startTag(out, TriX.tagPlainLiteral, "xml:lang", lang) ;

代码示例来源：origin: apache/jena

  1. if ( Util.isSimpleString(node) || Util.isLangString(node) ) 
  2.   return new JsonString(node.getLiteralLexicalForm());

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