Examples of org.w3c.dom.Attr

org.w3c.dom.Attr
The Attr interface represents an attribute in an Element object. Typically the allowable values for the attribute are defined in a document type definition.
Attr objects inherit the Node interface, but since they are not actually child nodes of the element they describe, the DOM does not consider them part of the document tree. Thus, the Node attributes parentNode , previousSibling , and nextSibling have a null value for Attr objects. The DOM takes the view that attributes are properties of elements rather than having a separate identity from the elements they are associated with; this should make it more efficient to implement such features as default attributes associated with all elements of a given type. Furthermore, Attr nodes may not be immediate children of a DocumentFragment . However, they can be associated with Element nodes contained within a DocumentFragment . In short, users and implementors of the DOM need to be aware that Attr nodes have some things in common with other objects inheriting the Node interface, but they also are quite distinct.
The attribute's effective value is determined as follows: if this attribute has been explicitly assigned any value, that value is the attribute's effective value; otherwise, if there is a declaration for this attribute, and that declaration includes a default value, then that default value is the attribute's effective value; otherwise, the attribute does not exist on this element in the structure model until it has been explicitly added. Note that the nodeValue attribute on the Attr instance can also be used to retrieve the string version of the attribute's value(s).
In XML, where the value of an attribute can contain entity references, the child nodes of the Attr node provide a representation in which entity references are not expanded. These child nodes may be either Text or EntityReference nodes. Because the attribute type may be unknown, there are no tokenized attribute values.

    NamedNodeMap m = element.getAttributes();
    // there may be no attributes defined (check for null attribute)
    String id=null;
    for (int i = 0; id==null && _attribute != null && i < _attribute.length; i++) {
      String n = _attribute[i].getName();
      Attr a = (Attr) (n==null?null:m.getNamedItem(n));
      // the attribute may not have any occurrences
      id = _attribute[i].getID(a, ctx);
    }
    return id;
  }

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        && pd[i].getPropertyType() == String.class) {
        Method getter = bean.getGetter(pd[i]);
        String value = (String) getter.invoke(bean, new Object[] {
        });
        if (value != null) {
          Attr attribute = doc.createAttribute(getDisplayName(pd[i]));
          attribute.setValue(value);
          map.setNamedItem(attribute);
        }
      } else if (
        pd[i].getPropertyType().isArray()
          && pd[i].getPropertyType().getComponentType()

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    if (restrictions!=null) return;
    
    schema xs = (schema) this.get_owner();
    NamedNodeMap atts = node.getAttributes();
    for (int i=0; i<atts.getLength(); i++) {
      Attr attr = (Attr) atts.item(i);
      if (attr.getNodeName().startsWith("xmlns")) continue;
      String ns = attr.getNamespaceURI();
      StringTokenizer t = new StringTokenizer(namespace);
      while (t.hasMoreTokens()) {
        String n = t.nextToken();
        String tns = xs.getTargetNamespace();
        if (n.equals("##any") // anything at all
        || (n.equals("##other") && (tns==null || !tns.equals(ns))) // other than the TNS
        || (n.equals("##targetNamespace") && (tns==null || tns.equals(ns))) // in the target namespace
        || (n.equals("##local") && ns==null) // local to this schema
        || n.equals(ns) ) { // else the ns is anyURI
          // is this a known attribute?
          String uri = attribute.createURI(attr,null,ctx);
          attribute a = ctx.getAttribute(uri);
          if (a!=null) {
            a.toRDF(subject, attr, ctx);
            if (attr.getPrefix()!=null) 
              addPrefixes(attr.getPrefix(), attr.getNamespaceURI(), ctx.getModel());
          }
          else { // otherwise use the default no-schema mapping
            if (getProcessContents().equals("strict") 
                && !n.equals("##any") && !n.equals("##other") && !n.equals("##local"))
              Gloze.logger.warn("cannot find attribute: "+attr.getName());
            noSchemaToRDF(subject,attr,ctx);
          }
        }
      }
    }

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        if (namespace.contains("##any") ||
              (namespace.contains("##other") && !ns.equals(xs.getTargetNamespace())) ||
            (namespace.contains("##local") || 
            namespace.contains(ns) || namespace.contains(nsAlt))) {
          
          Attr attr;
          if (qualify && !(ns.equals(ctx.getDefaultNS()) || ctx.getDefaultNS().equals(nsAlt))) {
            attr = doc.createAttributeNS(ns, p.getLocalName());
            attr.setPrefix(pref);  
          }
          else attr = doc.createAttribute(p.getLocalName());
          attr.setNodeValue(s.getString());
          if (qualify) e.setAttributeNodeNS(attr);
          else e.setAttributeNode(attr);
        }
        done.add(s);
      }

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  private void toXML(Element e, Context ctx, attribute def, String type, RDFNode object) 
    throws Exception {
      Document doc = e.getOwnerDocument();
      schema xs = (schema) this.get_owner();
      Attr a;
      if (isQualified()) {
        String ns = xs.getTargetNamespace();
        a = doc.createAttributeNS(ns, def.getName());
        //if (Character.isLetterOrDigit(ns.charAt(ns.length()-1))) ns += "#";
        a.setPrefix(ctx.getModel().getNsURIPrefix(ns));
        e.setAttributeNodeNS(a);
      }
      else e.setAttributeNode(a = doc.createAttribute(def.getName()));


      XMLBean t = get_type(ctx);
      if (t instanceof simpleType) ((simpleType) t).toXML(a,object,ctx);
      else if (type != null && type.endsWith("IDREFS"))
        xs.listToXML(a,(RDFList) object.as(RDFList.class),XSD.IDREF.getURI(),ctx);
      else a.setValue(xs.toXMLValue(e,object,type,ctx));
    }

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    // check the attributes for ID
    NamedNodeMap m = element.getAttributes();
    // there may be no attributes defined (check for null attribute)
    for (int i = 0; _attribute != null && i < _attribute.length; i++) {
      String id = null;
      Attr a = (Attr) m.getNamedItem(_attribute[i].getDefinition(ctx.getModel(),ctx).getName());
      // the attribute may not have any occurrences
      if (a != null) id = _attribute[i].getID(a,ctx);
      if (id != null) return id;
    }
    // look for attributes embedded within simple content declaration

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    if (!resource.isAllDocument())
    {
      Node node = resource.getSelectedResource().getDom();
      if (node instanceof Attr)
      {
        Attr attr = (Attr) node;
        attr.getOwnerElement().removeAttribute(node.getLocalName());
      }
      else
      {
        node.getParentNode().removeChild(node);
      }

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        Element element = (Element) parent.getDom();
        element.setAttribute(resource.getNodeName(), content);
      }
      else
      {
        Attr attr = (Attr) resource.getSelectedResource().getDom();
        attr.setValue(content);
      }
    }
    else
    {
      Document document = null;

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  }
  
  private void add(XmlCursor source, XmlCursor destination)
  {
    NodeList nodeList = destination.getDomNode().getChildNodes();
    Attr idNode = (Attr) source.getDomNode().getAttributes().getNamedItem("id");
    if (idNode != null)
    {
      for (int i = 0; i < nodeList.getLength(); i++)
      {
        Node node2 = nodeList.item(i);
        Attr idNode2 = (Attr) (node2.getAttributes() != null ? node2.getAttributes().getNamedItem("id") : null);
        if (node2.getNodeName().equals(source.getDomNode().getNodeName())
            && idNode2 != null && idNode.getValue().equals(idNode2.getValue()))
        {
          __log.warn("Got two nodes with same id: {}. Ignore second node.", idNode.getValue());
          return;
        }
      }

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      iter = XPath.select("//xtp:directive.page/@*", top);
    } catch (Exception e) {
      throw new XslParseException(e);
    }
    while (iter.hasNext()) {
      Attr attr = (Attr) iter.next();
      String name = attr.getNodeName();
      String value = attr.getNodeValue();


      if (name.equals("import")) {
        StringCharCursor cursor = new StringCharCursor(value);
        CharBuffer cb = new CharBuffer();
        while (cursor.current() != cursor.DONE) {

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