Java Node.ENTITY_REFERENCE_NODE屬性代碼示例

/**
 * @see <a
 * href="http://www.w3.org/TR/2008/REC-ElementTraversal-20081222/#attribute-nextElementSibling">
 * Element Traversal Specification</a>
 */
@Override
public final Element getNextElementSibling() {
    Node n = getNextLogicalSibling(this);
    while (n != null) {
        switch (n.getNodeType()) {
            case Node.ELEMENT_NODE:
                return (Element) n;
            case Node.ENTITY_REFERENCE_NODE:
                final Element e = getFirstElementChild(n);
                if (e != null) {
                    return e;
                }
                break;
        }
        n = getNextLogicalSibling(n);
    }
    return null;
}
 

private void visit( Node n ) throws SAXException {
    setCurrentLocation( n );

    // if a case statement gets too big, it should be made into a separate method.
    switch(n.getNodeType()) {
    case Node.CDATA_SECTION_NODE:
    case Node.TEXT_NODE:
        String value = n.getNodeValue();
        receiver.characters( value.toCharArray(), 0, value.length() );
        break;
    case Node.ELEMENT_NODE:
        visit( (Element)n );
        break;
    case Node.ENTITY_REFERENCE_NODE:
        receiver.skippedEntity(n.getNodeName());
        break;
    case Node.PROCESSING_INSTRUCTION_NODE:
        ProcessingInstruction pi = (ProcessingInstruction)n;
        receiver.processingInstruction(pi.getTarget(),pi.getData());
        break;
    }
}
 

private Node getPreviousLogicalSibling(Node n) {
    Node prev = n.getPreviousSibling();
    // If "n" has no previous sibling and its parent is an entity reference node we
    // need to continue the search through the previous siblings of the entity
    // reference as these are logically siblings of the given node.
    if (prev == null) {
        Node parent = n.getParentNode();
        while (parent != null && parent.getNodeType() == Node.ENTITY_REFERENCE_NODE) {
            prev = parent.getPreviousSibling();
            if (prev != null) {
                break;
            }
            parent = parent.getParentNode();
        }
    }
    return prev;
}
 

/**
 * Override default behavior so that if deep is true, children are also
 * toggled.
 * @see Node
 * <P>
 * Note: this will not change the state of an EntityReference or its
 * children, which are always read-only.
 */
public void setReadOnly(boolean readOnly, boolean deep) {

    super.setReadOnly(readOnly, deep);

    if (deep) {

        if (needsSyncChildren()) {
            synchronizeChildren();
        }

        // Recursively set kids
        for (ChildNode mykid = firstChild;
             mykid != null;
             mykid = mykid.nextSibling) {
            if (mykid.getNodeType() != Node.ENTITY_REFERENCE_NODE) {
                mykid.setReadOnly(readOnly,true);
            }
        }
    }
}
 

/**
 * Override default behavior so that if deep is true, children are also
 * toggled.
 * @see Node
 * <P>
 * Note: this will not change the state of an EntityReference or its
 * children, which are always read-only.
 */
public void setReadOnly(boolean readOnly, boolean deep) {

    super.setReadOnly(readOnly, deep);

    if (deep) {

        if (needsSyncChildren()) {
            synchronizeChildren();
        }

        if (hasStringValue()) {
            return;
        }
        // Recursively set kids
        for (ChildNode mykid = (ChildNode) value;
             mykid != null;
             mykid = mykid.nextSibling) {
            if (mykid.getNodeType() != Node.ENTITY_REFERENCE_NODE) {
                mykid.setReadOnly(readOnly,true);
            }
        }
    }
}
 

/** Internal function.
 *  Return the last child Node, from the input node
 *  after applying filter, whatToshow.
 *  The current node is not consulted or set.
 */
Node getLastChild(Node node) {

    if (node == null) return null;

    if ( !fEntityReferenceExpansion
         && node.getNodeType() == Node.ENTITY_REFERENCE_NODE)
        return null;

    Node newNode = node.getLastChild();
    if (newNode == null)  return null;

    int accept = acceptNode(newNode);

    if (accept == NodeFilter.FILTER_ACCEPT)
        return newNode;
    else
    if (accept == NodeFilter.FILTER_SKIP
        && newNode.hasChildNodes())
    {
        Node lChild = getLastChild(newNode);
        if (lChild == null) {
            return getPreviousSibling(newNode, node);
        }
        return lChild;
    }
    else
    //if (accept == NodeFilter.REJECT_NODE)
    {
        return getPreviousSibling(newNode, node);
    }


}
 

private static String getTextContent(Node node)
{
    short nodeType = node.getNodeType();
    if( nodeType == Node.ATTRIBUTE_NODE ||
        nodeType == Node.PROCESSING_INSTRUCTION_NODE ||
        nodeType == Node.COMMENT_NODE ||
        nodeType == Node.TEXT_NODE ||
        nodeType == Node.CDATA_SECTION_NODE )
    {
        return com.altova.CoreTypes.castToString(node.getNodeValue());
    }
    else
    if( nodeType == Node.DOCUMENT_NODE ||
        nodeType == Node.DOCUMENT_FRAGMENT_NODE ||
        nodeType == Node.ELEMENT_NODE ||
        nodeType == Node.ENTITY_REFERENCE_NODE )
    {
        String result = "";
        Node child = node.getFirstChild();
        for( ; child != null ; child = child.getNextSibling() )
        {
            short childNodeType = child.getNodeType();
            if( childNodeType == Node.TEXT_NODE ||
                childNodeType == Node.CDATA_SECTION_NODE ||
                childNodeType == Node.ELEMENT_NODE ||
                childNodeType == Node.ENTITY_REFERENCE_NODE )
            {
                result += getTextContent( child );
            }
        }
        return result;
    }
    else
        return "";
}
 

public void print(Node node) throws XMLStreamException {
    switch (node.getNodeType()) {
    case Node.DOCUMENT_NODE:
        visitDocument((Document) node);
        break;
    case Node.DOCUMENT_FRAGMENT_NODE:
        visitDocumentFragment((DocumentFragment) node);
        break;
    case Node.ELEMENT_NODE:
        visitElement((Element) node);
        break;
    case Node.TEXT_NODE:
        visitText((Text) node);
        break;
    case Node.CDATA_SECTION_NODE:
        visitCDATASection((CDATASection) node);
        break;
    case Node.PROCESSING_INSTRUCTION_NODE:
        visitProcessingInstruction((ProcessingInstruction) node);
        break;
    case Node.ENTITY_REFERENCE_NODE:
        visitReference((EntityReference) node);
        break;
    case Node.COMMENT_NODE:
        visitComment((Comment) node);
        break;
    case Node.DOCUMENT_TYPE_NODE:
        break;
    case Node.ATTRIBUTE_NODE:
    case Node.ENTITY_NODE:
    default:
        throw new XMLStreamException("Unexpected DOM Node Type "
            + node.getNodeType()
        );
    }
}
 

private String getNodeTypeFromCode(short code) {
    String retval = null;
    switch (code) {
    case Node.ATTRIBUTE_NODE :
        retval = "ATTRIBUTE_NODE"; break;
    case Node.CDATA_SECTION_NODE :
        retval = "CDATA_SECTION_NODE"; break;
    case Node.COMMENT_NODE :
        retval = "COMMENT_NODE"; break;
    case Node.DOCUMENT_FRAGMENT_NODE :
        retval = "DOCUMENT_FRAGMENT_NODE"; break;
    case Node.DOCUMENT_NODE :
        retval = "DOCUMENT_NODE"; break;
    case Node.DOCUMENT_TYPE_NODE :
        retval = "DOCUMENT_TYPE_NODE"; break;
    case Node.ELEMENT_NODE :
        retval = "ELEMENT_NODE"; break;
    case Node.ENTITY_NODE :
        retval = "ENTITY_NODE"; break;
    case Node.ENTITY_REFERENCE_NODE :
        retval = "ENTITY_REFERENCE_NODE"; break;
    case Node.NOTATION_NODE :
        retval = "NOTATION_NODE"; break;
    case Node.PROCESSING_INSTRUCTION_NODE :
        retval = "PROCESSING_INSTRUCTION_NODE"; break;
    case Node.TEXT_NODE:
        retval = "TEXT_NODE"; break;
    }
    return retval;
}
 

/**
 * Equivalence class partitioning with state and input values orientation
 * for public void setParameter(String name, Object value) throws
 * DOMException, <br>
 * <b>pre-conditions</b>: the doc contains one entity and one entity
 * reference, <br>
 * <b>name</b>: entities <br>
 * <b>value</b>: true. <br>
 * <b>Expected results</b>: the entity and the entity reference are left
 * unchanged
 */
@Test
public void testEntities001() {
    Document doc = null;
    try {
        doc = loadDocument(null, test1_xml);
    } catch (Exception e) {
        Assert.fail(e.getMessage());
    }

    DOMConfiguration config = doc.getDomConfig();
    if (!config.canSetParameter("entities", Boolean.TRUE)) {
        Assert.fail("setting 'entities' to true is not supported");
    }

    Element root = doc.getDocumentElement();
    root.appendChild(doc.createEntityReference("x"));

    config.setParameter("entities", Boolean.TRUE);

    setHandler(doc);
    doc.normalizeDocument();
    Node child = root.getFirstChild();
    if (child == null) {
        Assert.fail("root has no child");
    }
    if (child.getNodeType() != Node.ENTITY_REFERENCE_NODE) {
        Assert.fail("root's child is " + child + ", expected entity reference &x;");
    }

    if (doc.getDoctype() == null) {
        Assert.fail("no doctype found");
    }

    if (doc.getDoctype().getEntities() == null) {
        Assert.fail("no entitiy found");
    }

    if (doc.getDoctype().getEntities().getNamedItem("x") == null) {
        Assert.fail("no entitiy with name 'x' found");
    }

    return; // Status.passed("OK");
}
 

/**
     * NON-DOM: compute string representation of the entity reference.
 * This method is used to retrieve a string value for an attribute node that has child nodes.
     * @return String representing a value of this entity ref. or
 *          null if any node other than EntityReference, Text is encountered
 *          during computation
     */
protected String getEntityRefValue (){
    if (needsSyncChildren()){
        synchronizeChildren();
    }

    String value = "";
    if (firstChild != null){
      if (firstChild.getNodeType() == Node.ENTITY_REFERENCE_NODE){
          value = ((EntityReferenceImpl)firstChild).getEntityRefValue();
      }
      else if (firstChild.getNodeType() == Node.TEXT_NODE){
        value = firstChild.getNodeValue();
      }
      else {
         // invalid to have other types of nodes in attr value
        return null;
      }

      if (firstChild.nextSibling == null){
        return value;
      }
      else {
        StringBuffer buff = new StringBuffer(value);
        ChildNode next = firstChild.nextSibling;
        while (next != null){

            if (next.getNodeType() == Node.ENTITY_REFERENCE_NODE){
               value = ((EntityReferenceImpl)next).getEntityRefValue();
            }
            else if (next.getNodeType() == Node.TEXT_NODE){
              value = next.getNodeValue();
            }
            else {
                // invalid to have other types of nodes in attr value
                return null;
            }
            buff.append(value);
            next = next.nextSibling;

        }
        return buff.toString();
      }
    }
    return "";
}
 

/**
 * Write any node.
 *
 * @param node
 *            the node
 * @throws ShellException
 *             the shell exception
 */
protected void writeAnyNode(Node node) throws ShellException {
    // is there anything to do?
    if (node == null) {
        return;
    }

    short type = node.getNodeType();
    switch (type) {
    case Node.DOCUMENT_NODE:
        write((Document) node);
        break;

    case Node.DOCUMENT_TYPE_NODE:
        write((DocumentType) node);
        break;

    case Node.ELEMENT_NODE:
        write((Element) node);
        break;

    case Node.ENTITY_REFERENCE_NODE:
        write((EntityReference) node);
        break;

    case Node.CDATA_SECTION_NODE:
        write((CDATASection) node);
        break;

    case Node.TEXT_NODE:
        write((Text) node);
        break;

    case Node.PROCESSING_INSTRUCTION_NODE:
        write((ProcessingInstruction) node);
        break;

    case Node.COMMENT_NODE:
        write((Comment) node);
        break;

    default:
        throw new ShellException(getString(
                "RuntimeError.18", Short.toString(type))); //$NON-NLS-1$
    }
}
 

/**
 * This is the work horse for {@link #circumventBug2650}.
 *
 * @param node
 * @see <A HREF="http://nagoya.apache.org/bugzilla/show_bug.cgi?id=2650">
 * Namespace axis resolution is not XPath compliant </A>
 */
@SuppressWarnings("fallthrough")
private static void circumventBug2650internal(Node node) {
    Node parent = null;
    Node sibling = null;
    final String namespaceNs = Constants.NamespaceSpecNS;
    do {
        switch (node.getNodeType()) {
        case Node.ELEMENT_NODE :
            Element element = (Element) node;
            if (!element.hasChildNodes()) {
                break;
            }
            if (element.hasAttributes()) {
                NamedNodeMap attributes = element.getAttributes();
                int attributesLength = attributes.getLength();

                for (Node child = element.getFirstChild(); child!=null;
                    child = child.getNextSibling()) {

                    if (child.getNodeType() != Node.ELEMENT_NODE) {
                        continue;
                    }
                    Element childElement = (Element) child;

                    for (int i = 0; i < attributesLength; i++) {
                        Attr currentAttr = (Attr) attributes.item(i);
                        if (!namespaceNs.equals(currentAttr.getNamespaceURI())) {
                            continue;
                        }
                        if (childElement.hasAttributeNS(namespaceNs,
                                                        currentAttr.getLocalName())) {
                            continue;
                        }
                        childElement.setAttributeNS(namespaceNs,
                                                    currentAttr.getName(),
                                                    currentAttr.getNodeValue());
                    }
                }
            }
        case Node.ENTITY_REFERENCE_NODE :
        case Node.DOCUMENT_NODE :
            parent = node;
            sibling = node.getFirstChild();
            break;
        }
        while ((sibling == null) && (parent != null)) {
            sibling = parent.getNextSibling();
            parent = parent.getParentNode();
        }
        if (sibling == null) {
            return;
        }

        node = sibling;
        sibling = node.getNextSibling();
    } while (true);
}
 

/**
 * Given an XML Namespace prefix and a context in which the prefix
 * is to be evaluated, return the Namespace Name this prefix was
 * bound to. Note that DOM Level 3 is expected to provide a version of
 * this which deals with the DOM's "early binding" behavior.
 *
 * Default handling:
 *
 * @param prefix String containing namespace prefix to be resolved,
 * without the ':' which separates it from the localname when used
 * in a Node Name. The empty sting signifies the default namespace
 * at this point in the document.
 * @param namespaceContext Element which provides context for resolution.
 * (We could extend this to work for other nodes by first seeking their
 * nearest Element ancestor.)
 *
 * @return a String containing the Namespace URI which this prefix
 * represents in the specified context.
 */
public String getNamespaceForPrefix(String prefix, Element namespaceContext)
{

  int type;
  Node parent = namespaceContext;
  String namespace = null;

  if (prefix.equals("xml"))
  {
    namespace = QName.S_XMLNAMESPACEURI; // Hardcoded, per Namespace spec
  }
      else if(prefix.equals("xmlns"))
  {
        // Hardcoded in the DOM spec, expected to be adopted by
        // Namespace spec. NOTE: Namespace declarations _must_ use
        // the xmlns: prefix; other prefixes declared as belonging
        // to this namespace will not be recognized and should
        // probably be rejected by parsers as erroneous declarations.
    namespace = "http://www.w3.org/2000/xmlns/";
  }
  else
  {
        // Attribute name for this prefix's declaration
        String declname=(prefix=="")
                      ? "xmlns"
                      : "xmlns:"+prefix;

        // Scan until we run out of Elements or have resolved the namespace
    while ((null != parent) && (null == namespace)
           && (((type = parent.getNodeType()) == Node.ELEMENT_NODE)
               || (type == Node.ENTITY_REFERENCE_NODE)))
    {
      if (type == Node.ELEMENT_NODE)
      {

                      // Look for the appropriate Namespace Declaration attribute,
                      // either "xmlns:prefix" or (if prefix is "") "xmlns".
                      // TODO: This does not handle "implicit declarations"
                      // which may be created when the DOM is edited. DOM Level
                      // 3 will define how those should be interpreted. But
                      // this issue won't arise in freshly-parsed DOMs.

              // NOTE: declname is set earlier, outside the loop.
                      Attr attr=((Element)parent).getAttributeNode(declname);
                      if(attr!=null)
                      {
              namespace = attr.getNodeValue();
              break;
                      }
              }

      parent = getParentOfNode(parent);
    }
  }

  return namespace;
}
 

public String getNamespaceURI(String prefix) {
    Node parent = e;
    String namespace = null;

    if (prefix.equals("xml")) {
        namespace = WellKnownNamespace.XML_NAMESPACE_URI;
    } else {
        int type;

        while ((null != parent) && (null == namespace)
                && (((type = parent.getNodeType()) == Node.ELEMENT_NODE)
                || (type == Node.ENTITY_REFERENCE_NODE))) {
            if (type == Node.ELEMENT_NODE) {
                if (parent.getNodeName().indexOf(prefix + ':') == 0)
                    return parent.getNamespaceURI();
                NamedNodeMap nnm = parent.getAttributes();

                for (int i = 0; i < nnm.getLength(); i++) {
                    Node attr = nnm.item(i);
                    String aname = attr.getNodeName();
                    boolean isPrefix = aname.startsWith("xmlns:");

                    if (isPrefix || aname.equals("xmlns")) {
                        int index = aname.indexOf(':');
                        String p = isPrefix ? aname.substring(index + 1) : "";

                        if (p.equals(prefix)) {
                            namespace = attr.getNodeValue();

                            break;
                        }
                    }
                }
            }

            parent = parent.getParentNode();
        }
    }

    return namespace;
}