Examples of nu.xom.Elements

nu.xom.Elements

A read-only list of elements for traversal purposes. Changes to the document from which this list was generated are not reflected in this list. Changes to the individual Element objects in the list are reflected.
@author Elliotte Rusty Harold @version 1.0

    col.removeChildren();
    col.appendChild(value);
  }
  
  public String get(String rowName, String columnName) {
    Elements rows = doc.getRootElement().getChildElements(rowName);
    if (rows.size() > 0) {
      Elements cols = rows.get(0).getChildElements(columnName);
      if (cols.size() > 0) {
        return cols.get(0).getValue();
      }
    } 
    
    return "";
  }

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    return XOMUtil.toPrettyXML(doc);
  }
  
  public String[] columnNames() {
    LinkedHashSet names = new LinkedHashSet();
    Elements rows = doc.getRootElement().getChildElements();
    for (int i=0; i < rows.size(); i++) {
      Elements cols = rows.get(i).getChildElements();
      for (int j=0; j < cols.size(); j++) {
        names.add(cols.get(j).getLocalName());
      }
    }
    
    String[] columnNames = new String[names.size()];
    names.toArray(columnNames);

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    names.toArray(columnNames);
    return columnNames;
  }
  
  public String[] rowNames() {
    Elements rows = doc.getRootElement().getChildElements();
    String[] rowNames = new String[rows.size()];
    for (int i=0; i < rowNames.length; i++) {
      rowNames[i] = rows.get(i).getLocalName();
    }
    return rowNames;
  }

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        // TODO point this, at least optionally, at the jaxen directory in the zip file instead.
        // However, first you'll have to push a jaxen 1.2.1 that fixes tests.xml.
        String base = "http://svn.jaxen.codehaus.org/browse/~raw,r=trunk/jaxen/trunk/jaxen/";
        Builder builder = new Builder();
        Document testDoc = builder.build(base + "xml/test/tests.xml");
        Elements documents = testDoc.getRootElement().getChildElements("document");
        for (int i = 0; i < documents.size(); i++) {
            Element documentElement = documents.get(i);
            String url = documentElement.getAttributeValue("url");
            Document source = builder.build(
              "http://svn.jaxen.codehaus.org/browse/~raw,r=trunk/jaxen/trunk/jaxen/" 
              + url);
            Elements contextElements = documentElement.getChildElements("context");
            for (int j = 0; j < contextElements.size(); j++) {
                Element contextElement = contextElements.get(j);
                    
                // skip tests that use variables
                // because XOM doesn't support variables in 
                // XPath expressions
                if (queryUsesVars(contextElement)) continue;
                
                String xpath = contextElement.getAttributeValue("select");
                XPathContext namespaces = getXPathContext(contextElement);
                Node context = source.query(xpath).get(0);
                
                // process counts
                Elements tests = contextElement.getChildElements("test");
                for (int k = 0; k < tests.size(); k++) {
                    Element test = tests.get(k);
                    
                    String select = test.getAttributeValue("select");
                    Attribute countAttribute = test.getAttribute("count");
                    int count = -1;
                    if (countAttribute != null) {
                        count = Integer.parseInt(countAttribute.getValue());
                    }
                    
                    boolean exceptional = false;
                    String exception = test.getAttributeValue("exception");
                    if ("true".equals(exception)) {
                        exceptional = true;
                    }
                    
                    if (exceptional) {
                        try {
                            context.query(select, namespaces);
                            fail("Evaluated " + select);
                        }
                        catch (XPathException success) {
                            assertNotNull(success.getMessage());
                        }
                    }
                    else {
                        try {
                            Nodes results = context.query(select, namespaces);
                            if (count != -1) {
                                assertEquals(select, count, results.size());
                            }
                            Elements valueOfs = test.getChildElements("valueOf");
                            for (int v = 0; v < valueOfs.size(); v++) {
                                Element vo = valueOfs.get(v);
                                checkValueOf(results.get(0), vo, namespaces);
                            }
                        }
                        catch (XPathException ex) {
                            if (ex.getMessage().equalsIgnoreCase("XPath error: No such function document")
                              || ex.getMessage().equalsIgnoreCase("XPath error: No such function evaluate")) {
                                continue;
                            }
                            throw ex;
                        }


                    }
                }
                
                // process valueOfs
                Elements valueOfs = contextElement.getChildElements("valueOf");
                for (int k = 0; k < valueOfs.size(); k++) {
                    checkValueOf(context, valueOfs.get(k), namespaces);
                }
                
            }
        }
    }

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    private Map<String, ClassDescription> buildMapFromDocument(Document doc)
    {
        Map<String, ClassDescription> result = newMap();


        Elements elements = doc.getRootElement().getChildElements("class");


        for (int i = 0; i < elements.size(); i++)
        {
            Element element = elements.get(i);


            String description = element.getFirstChildElement("description").getValue();


            String className = element.getAttributeValue("name");
            String superClassName = element.getAttributeValue("super-class");

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        return result;
    }


    private void readParameters(ClassDescription cd, Element classElement)
    {
        Elements elements = classElement.getChildElements("parameter");


        for (int i = 0; i < elements.size(); i++)
        {
            Element node = elements.get(i);


            String name = node.getAttributeValue("name");
            String type = node.getAttributeValue("type");


            int dotx = type.lastIndexOf('.');

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    private Map<String, ClassDescription> buildMapFromDocument(Document doc)
    {
        Map<String, ClassDescription> result = newMap();


        Elements elements = doc.getRootElement().getChildElements("class");


        for (int i = 0; i < elements.size(); i++)
        {
            Element element = elements.get(i);


            String description = element.getFirstChildElement("description").getValue();


            String className = element.getAttributeValue("name");
            String superClassName = element.getAttributeValue("super-class");

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        return result;
    }


    private void readParameters(ClassDescription cd, Element classElement)
    {
        Elements elements = classElement.getChildElements("parameter");


        for (int i = 0; i < elements.size(); i++)
        {
            Element node = elements.get(i);


            String name = node.getAttributeValue("name");
            String type = node.getAttributeValue("type");


            int dotx = type.lastIndexOf('.');

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        currentElement = (Element)current;
    }


    @Override
    public String peekNextChild() {
        final Elements children = currentElement.getChildElements();
        if (null == children || children.size() == 0) {
            return null;
        }
        return decodeNode(children.get(0).getLocalName());
    }

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            return false;
        }
        
        boolean added = false;


        Elements children = element.getChildElements();
        for (int i = 0; i < children.size(); i++) {
            Element child = children.get(i);
            String localName = child.getLocalName();
            if(StringUtils.isBlank(localName)) {
                continue;
            }
            if(localName.equals("poem") ||

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