Examples of nu.xom.Nodes

nu.xom.Nodes

Implements a list of nodes for traversal purposes. Changes to the document from which this list was generated are not reflected in this list, nor are changes to the list reflected in the document. Changes to the individual Node objects in the list and the document are reflected in the other one.

There is no requirement that the list not contain duplicates, or that all the members come from the same document. It is simply a list of nodes.
@author Elliotte Rusty Harold @version 1.1b4

  /** {@inheritDoc} */
  public Nodes makeText(String text) {
    for (int i=0; i < receivers.length; i++) {
      if (exceptions[i] != null) continue; // ignore failed factory
      try {
        Nodes nodes = receivers[i].makeText(text);
        appendNodes(currents[i], nodes, i);
      } catch (RuntimeException e) {
        onException(i, e);
      }
    }

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    } else { 
      // otherwise it refers to a file containing the query string
      xquery = XQueryPool.GLOBAL_POOL.getXQuery(new File(query));
    }
    
    Nodes results = xquery.execute(doc).toNodes();
    
    for (int j=0; j < results.size(); j++) {
      boolean prettyPrint = true;
      if (prettyPrint)
        System.out.println(XOMUtil.toPrettyXML(results.get(j)));
      else 
        System.out.println(results.get(j).toXML());
    }
  }

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    Analyzer textAnalyzer = PatternAnalyzer.DEFAULT_ANALYZER;
    Analyzer queryAnalyzer = PatternAnalyzer.DEFAULT_ANALYZER;
    
    String field = "f";
    Nodes lines = XQueryUtil.xquery(doc, path);
    System.out.println("lines=" + lines.size());
    MemoryIndex[] indexes = new MemoryIndex[lines.size()];
    for (int i=0; i < lines.size(); i++) {
      indexes[i] = new MemoryIndex();
      indexes[i].addField(field, lines.get(i).getValue(), textAnalyzer);
    }
    doc = null;   // help gc
    lines = null; // help gc
    
    Query query = new QueryParser(field, queryAnalyzer).parse(queryExpr);

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        // declare variable $foo as node() external;
        // or
        // declare variable $foo as node()* external;
      }
      else if (value instanceof Nodes) {
        Nodes nodes = (Nodes) value;
        int size = nodes.size();
        ArrayList sources = new ArrayList(size);
        for (int i = 0; i < size; i++) {
          sources.add(wrap(nodes.get(i), docWrappers));
        }
        value = sources;
      }
      else if (value instanceof Node[]) {
        Node[] nodes = (Node[]) value;

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        Element child3 = new Element("child3");
        parent.appendChild(child1);
        parent.appendChild(child2);
        parent.appendChild(child3);
        
        Nodes result = child1.query("preceding-sibling::*");
        assertEquals(0, result.size());   
        result = child2.query("preceding-sibling::*");
        assertEquals(1, result.size());   
        assertEquals(child1, result.get(0));   
        result = child3.query("preceding-sibling::*");
        assertEquals(2, result.size());    
        
    }

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        Attribute a3 = new Attribute("a3", "value");
        child2.addAttribute(a1);
        child2.addAttribute(a2);
        child2.addAttribute(a3);
        
        Nodes result = a2.query("preceding-sibling::node()");
        assertEquals(0, result.size());   
        result = a2.query("following-sibling::node()");
        assertEquals(0, result.size());    
        
    }

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        parent.appendChild(child1);
        parent.appendChild(child2);
        parent.appendChild(child3);
        
        Nodes result = parent.query("id('anchor')");
        assertEquals(1, result.size());     
        assertEquals(child2, result.get(0));
        
    }

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        parent.appendChild(child1);
        parent.appendChild(child2);
        parent.appendChild(child3);
        Document doc = new Document(parent);
        
        Nodes result = doc.query("id('anchor')");
        assertEquals(1, result.size());     
        assertEquals(child2, result.get(0));
        
    }

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        parent.appendChild(child1);
        parent.appendChild(child2);
        parent.appendChild(child3);
        
        Nodes result = parent.query("id('anchor')");
        assertEquals(0, result.size());
        
    }

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        parent.appendChild(child1);
        parent.appendChild(child2);
        parent.appendChild(child3);
        
        Nodes result = text.query("id('anchor')");
        assertEquals(1, result.size());     
        assertEquals(child2, result.get(0));
        
    }

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