Examples of com.hp.hpl.jena.rdf.model.Model.createStatement()

com.hp.hpl.jena.rdf.model.Model.createStatement()
Create a Statement instance. (Creating a statement does not add it to the set of statements in the model; see Model::add). This method may return an existing Statement with the correct components and model, or it may construct a fresh one, as it sees fit.
Subsequent operations on the statement or any of its parts may modify this model. @param s the subject of the statement @param p the predicate of the statement @param o the object of the statement @return the new statement

      // are all restrictions observed
      if (restrictions!=null)
        for (restriction r: restrictions) 
          if (!r.isValid(value, null, l, ctx)) return false;


      Statement stmt = m.createStatement(subject, prop, l);
      m.add(stmt);
      if (seq != null) seq.add(stmt.createReifiedStatement());
      return true;
    }
    else return false;

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      String fullname = expandQName(ctx.getDefaultNS(),t,elem,ctx.getModel());
      complexType c = ctx.getComplexType(fullname);
      if (c!=null) {
        String id = c.getID(elem,ctx);
        Resource o = id==null?m.createResource():m.createResource(addFragment(ctx.getBaseMap(), id).toString());
        stmt = m.createStatement(subject,prop,o);
        // the new resource, o, becomes the subject
        
        if (is_nillable()
         && elem.hasAttributeNS(schema.XSI,"nil")
         && elem.getAttributeNS(schema.XSI,"nil").equals("true"))

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    }
    // predefined schema datatype
    String type = expandQName(ctx.getDefaultNS(),def.getType(),m);
    if (type!=null && type.startsWith(schema.XSD_URI)) {
      if (is_nillable() && elem.hasAttributeNS(schema.XSI,"nil") && elem.getAttributeNS(schema.XSI,"nil").equals("true"))
        stmt = m.createStatement(subject,prop,RDF.nil);
      else {
        if (type.equals(schema.XSD_URI+"#ID") && value!=null && !value.trim().equals("")) {
          Resource o = m.createResource(addFragment(ctx.getBaseMap(), value.trim()).toString());
          stmt = m.createStatement(subject,prop,o);
        }

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      if (is_nillable() && elem.hasAttributeNS(schema.XSI,"nil") && elem.getAttributeNS(schema.XSI,"nil").equals("true"))
        stmt = m.createStatement(subject,prop,RDF.nil);
      else {
        if (type.equals(schema.XSD_URI+"#ID") && value!=null && !value.trim().equals("")) {
          Resource o = m.createResource(addFragment(ctx.getBaseMap(), value.trim()).toString());
          stmt = m.createStatement(subject,prop,o);
        }
        else stmt = schema.toRDFStatement(subject, elem, prop, value, type, ctx);
      }
    }

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    XMLBean t = def.get_type(ctx);
    if (t instanceof simpleType) {
      // an empty, as opposed to nil, element is null
      if (value==null) value = "";
      if (is_nillable() && elem.hasAttributeNS(schema.XSI,"nil") && elem.getAttributeNS(schema.XSI,"nil").equals("true"))
        stmt = m.createStatement(subject,prop,RDF.nil);
      
      // if a simple type is nil there is no content or attributes
      // initialise restriction set according to level of restriction checking required
      else {
        Boolean b = ((simpleType) t).toRDF(subject, prop, elem, value, seq, null, ctx);

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    }
    else if (t instanceof complexType) {
      // look for a global ID
      String id = ((complexType) t).getID(elem,ctx);
      Resource o = id==null?m.createResource():m.createResource(addFragment(ctx.getBaseMap(), id).toString());
      stmt = m.createStatement(subject,prop,o);
      // the new resource, o, becomes the subject
      if (is_nillable() && elem.hasAttributeNS(schema.XSI,"nil") && elem.getAttributeNS(schema.XSI,"nil").equals("true"))
        o.addProperty(RDF.value,RDF.nil);


      Seq subSeq = null;

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      // mop up remaining values in sequence
      produceMixed(subSeq, index, elem);
    }
    else if (value!=null && stmt==null){ // untyped!
      Literal l = m.createLiteral(schema.processWhitespace(elem,value,null,ctx));
      stmt = m.createStatement(subject,prop,l);      
    }
    else if (type==null){ // empty
      if (is_nillable() && elem.hasAttributeNS(schema.XSI,"nil") && elem.getAttributeNS(schema.XSI,"nil").equals("true"))
        stmt = m.createStatement(subject,prop,RDF.nil);
      // link to anonymous resource

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      Literal l = m.createLiteral(schema.processWhitespace(elem,value,null,ctx));
      stmt = m.createStatement(subject,prop,l);      
    }
    else if (type==null){ // empty
      if (is_nillable() && elem.hasAttributeNS(schema.XSI,"nil") && elem.getAttributeNS(schema.XSI,"nil").equals("true"))
        stmt = m.createStatement(subject,prop,RDF.nil);
      // link to anonymous resource
      else stmt = m.createStatement(subject,prop,m.createResource());
    }


    // if the statement was boxed, only add the link to the box

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    }
    else if (type==null){ // empty
      if (is_nillable() && elem.hasAttributeNS(schema.XSI,"nil") && elem.getAttributeNS(schema.XSI,"nil").equals("true"))
        stmt = m.createStatement(subject,prop,RDF.nil);
      // link to anonymous resource
      else stmt = m.createStatement(subject,prop,m.createResource());
    }


    // if the statement was boxed, only add the link to the box
    if (stmt !=null) {
      m.add(stmt);

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        String fullname = expandQName(ctx.getDefaultNS(),t,elem,ctx.getModel());
        complexType c = ctx.getComplexType(fullname);
        if (c!=null) {
          String id = c.getID(elem,ctx);
          Resource o = id==null?m.createResource():m.createResource(addFragment(ctx.getBaseMap(), id).toString());
          stmt = m.createStatement(subject,prop,o);
          // the new resource, o, becomes the subject
                    
          Seq subSeq = null;
          if (ctx.isSequenced() && elem.hasChildNodes() && c.needSeq(new HashSet<String>(), ctx))
            subSeq = m.getSeq(o.addProperty(RDF.type, RDF.Seq));

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