Java Node类代码示例

import org.w3c.dom.Node; //导入依赖的package包/类
/** Finds and returns the first visible child element node. */
public static Element getFirstVisibleChildElement(Node parent, Hashtable hiddenNodes) {

    // search for node
    Node child = parent.getFirstChild();
    while (child != null) {
        if (child.getNodeType() == Node.ELEMENT_NODE &&
                !isHidden(child, hiddenNodes)) {
            return (Element)child;
        }
        child = child.getNextSibling();
    }

    // not found
    return null;

}
 

import org.w3c.dom.Node; //导入依赖的package包/类
public String getNamespacePrefix(String uri) {

        NamespaceContextIterator eachNamespace = getNamespaceContextNodes();
        while (eachNamespace.hasNext()) {
            org.w3c.dom.Attr namespaceDecl = eachNamespace.nextNamespaceAttr();
            if (namespaceDecl.getNodeValue().equals(uri)) {
                String candidatePrefix = namespaceDecl.getLocalName();
                if ("xmlns".equals(candidatePrefix))
                    return "";
                else
                    return candidatePrefix;
            }
        }

        // Find if any of the ancestors' name has this uri
        org.w3c.dom.Node currentAncestor = this;
        while (currentAncestor != null &&
               !(currentAncestor instanceof Document)) {

            if (uri.equals(currentAncestor.getNamespaceURI()))
                return currentAncestor.getPrefix();
            currentAncestor = currentAncestor.getParentNode();
        }

        return null;
    }
 

import org.w3c.dom.Node; //导入依赖的package包/类
static void displayMetadata(Node node, int level) {
    for (int i = 0; i < level; i++) System.out.print("  ");
    System.out.print("<" + node.getNodeName());
    NamedNodeMap map = node.getAttributes();
    if (map != null) { // print attribute values
        int length = map.getLength();
        for (int i = 0; i < length; i++) {
            Node attr = map.item(i);
            System.out.print(" " + attr.getNodeName() +
                             "=\"" + attr.getNodeValue() + "\"");
        }
    }

    Node child = node.getFirstChild();
    if (child != null) {
        System.out.println(">"); // close current tag
        while (child != null) { // emit child tags recursively
            displayMetadata(child, level + 1);
            child = child.getNextSibling();
        }
        for (int i = 0; i < level; i++) System.out.print("  ");
        System.out.println("</" + node.getNodeName() + ">");
    } else {
        System.out.println("/>");
    }
}
 

import org.w3c.dom.Node; //导入依赖的package包/类
public void readBars(){
	if( this.xmlDocument != null ){
		NodeList barNodes = getChildNodeList(this.xmlDocument.getFirstChild(), "Bars");
		for( int i = 0 ; i < barNodes.getLength() ; i ++ ){
			Node barNode = barNodes.item( i );
			if( barNode.getNodeName().equals("Bar") ){
				GPXBar bar = new GPXBar();
				bar.setId(getAttributeIntegerValue(barNode, "id"));
				bar.setVoiceIds( getChildNodeIntegerContentArray(barNode, "Voices"));
				bar.setClef(getChildNodeContent(barNode, "Clef"));
				bar.setSimileMark(getChildNodeContent(barNode,"SimileMark"));
				
				this.gpxDocument.getBars().add( bar );
			}
		}
	}
}
 

import org.w3c.dom.Node; //导入依赖的package包/类
/**
 * Returns true IFF the given node can be contained by
 * a range.
 */
private boolean isLegalContainedNode( Node node )
{
        if ( node==null )
                return false;
        switch( node.getNodeType() )
        {
        case Node.DOCUMENT_NODE:
        case Node.DOCUMENT_FRAGMENT_NODE:
        case Node.ATTRIBUTE_NODE:
        case Node.ENTITY_NODE:
        case Node.NOTATION_NODE:
                return false;
        }
        return true;
}
 

import org.w3c.dom.Node; //导入依赖的package包/类
/**
 * End processing of given node
 *
 *
 * @param node Node we just finished processing
 *
 * @throws org.xml.sax.SAXException
 */
protected void endNode(Node node) throws org.xml.sax.SAXException {

    switch (node.getNodeType()) {
        case Node.DOCUMENT_NODE :
            break;
        case Node.DOCUMENT_TYPE_NODE :
            serializeDocType((DocumentType) node, false);
            break;
        case Node.ELEMENT_NODE :
            serializeElement((Element) node, false);
            break;
        case Node.CDATA_SECTION_NODE :
            break;
        case Node.ENTITY_REFERENCE_NODE :
            serializeEntityReference((EntityReference) node, false);
            break;
        default :
            }
}
 

import org.w3c.dom.Node; //导入依赖的package包/类
/**
 * The set:intersection function returns a node set comprising the nodes that are within
 * both the node sets passed as arguments to it.
 *
 * @param nl1 NodeList for first node-set.
 * @param nl2 NodeList for second node-set.
 * @return a NodeList containing the nodes in nl1 that are also
 * in nl2.
 *
 * @see <a href="http://www.exslt.org/">EXSLT</a>
 */
public static NodeList intersection(NodeList nl1, NodeList nl2)
{
  NodeSet ns1 = new NodeSet(nl1);
  NodeSet ns2 = new NodeSet(nl2);
  NodeSet inter = new NodeSet();

  inter.setShouldCacheNodes(true);

  for (int i = 0; i < ns1.getLength(); i++)
  {
    Node n = ns1.elementAt(i);

    if (ns2.contains(n))
      inter.addElement(n);
  }

  return inter;
}
 

import org.w3c.dom.Node; //导入依赖的package包/类
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;
}
 

import org.w3c.dom.Node; //导入依赖的package包/类
/**
 * Make newChild occupy the location that oldChild used to
 * have. Note that newChild will first be removed from its previous
 * parent, if any. Equivalent to inserting newChild before oldChild,
 * then removing oldChild.
 *
 * @return oldChild, in its new state (removed).
 *
 * @throws DOMException(HIERARCHY_REQUEST_ERR) if newChild is of a
 * type that shouldn't be a child of this node, or if newChild is
 * one of our ancestors.
 *
 * @throws DOMException(WRONG_DOCUMENT_ERR) if newChild has a
 * different owner document than we do.
 *
 * @throws DOMException(NOT_FOUND_ERR) if oldChild is not a child of
 * this node.
 *
 * @throws DOMException(NO_MODIFICATION_ALLOWED_ERR) if this node is
 * read-only.
 */
public Node replaceChild(Node newChild, Node oldChild)
    throws DOMException {

    makeChildNode();

    // If Mutation Events are being generated, this operation might
    // throw aggregate events twice when modifying an Attr -- once
    // on insertion and once on removal. DOM Level 2 does not specify
    // this as either desirable or undesirable, but hints that
    // aggregations should be issued only once per user request.

    // notify document
    CoreDocumentImpl ownerDocument = ownerDocument();
    ownerDocument.replacingNode(this);

    internalInsertBefore(newChild, oldChild, true);
    if (newChild != oldChild) {
        internalRemoveChild(oldChild, true);
    }

    // notify document
    ownerDocument.replacedNode(this);

    return oldChild;
}
 

import org.w3c.dom.Node; //导入依赖的package包/类
/**
 * Encrypts an <code>Element</code> and replaces it with its encrypted
 * counterpart in the context <code>Document</code>, that is, the
 * <code>Document</code> specified when one calls
 * {@link #getInstance(String) getInstance}.
 *
 * @param element the <code>Element</code> to encrypt.
 * @return the context <code>Document</code> with the encrypted
 *   <code>Element</code> having replaced the source <code>Element</code>.
 *  @throws Exception
 */
private Document encryptElement(Element element) throws Exception{
    if (log.isLoggable(java.util.logging.Level.FINE)) {
        log.log(java.util.logging.Level.FINE, "Encrypting element...");
    }
    if (null == element) {
        log.log(java.util.logging.Level.SEVERE, "Element unexpectedly null...");
    }
    if (cipherMode != ENCRYPT_MODE && log.isLoggable(java.util.logging.Level.FINE)) {
        log.log(java.util.logging.Level.FINE, "XMLCipher unexpectedly not in ENCRYPT_MODE...");
    }

    if (algorithm == null) {
        throw new XMLEncryptionException("XMLCipher instance without transformation specified");
    }
    encryptData(contextDocument, element, false);

    Element encryptedElement = factory.toElement(ed);

    Node sourceParent = element.getParentNode();
    sourceParent.replaceChild(encryptedElement, element);

    return contextDocument;
}
 

import org.w3c.dom.Node; //导入依赖的package包/类
public KalturaAssetDistributionPropertyCondition(Element node) throws KalturaApiException {
    super(node);
    NodeList childNodes = node.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node aNode = childNodes.item(i);
        String nodeName = aNode.getNodeName();
        String txt = aNode.getTextContent();
        if (nodeName.equals("propertyName")) {
            this.propertyName = ParseUtils.parseString(txt);
            continue;
        } else if (nodeName.equals("propertyValue")) {
            this.propertyValue = ParseUtils.parseString(txt);
            continue;
        } 
    }
}
 

import org.w3c.dom.Node; //导入依赖的package包/类
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;
    }
}
 

import org.w3c.dom.Node; //导入依赖的package包/类
/**
 * Removes attributes like "versionCode" and "versionName" from file.
 *
 * @param file File representing AndroidManifest.xml
 * @throws AndrolibException
 */
public static void removeManifestVersions(File file) throws AndrolibException {
    if (file.exists()) {
        try {
            Document doc = loadDocument(file);
            Node manifest = doc.getFirstChild();
            NamedNodeMap attr = manifest.getAttributes();
            Node vCode = attr.getNamedItem("android:versionCode");
            Node vName = attr.getNamedItem("android:versionName");

            if (vCode != null) {
                attr.removeNamedItem("android:versionCode");
            }
            if (vName != null) {
                attr.removeNamedItem("android:versionName");
            }
            saveDocument(file, doc);

        } catch (SAXException | ParserConfigurationException | IOException | TransformerException ignored) {
        }
    }
}
 

import org.w3c.dom.Node; //导入依赖的package包/类
private void removeUserDefinedNodes(Element parent) {
	HashSet<Node> toRemove = new HashSet<Node>();
	
	NodeList list = parent.getChildNodes();
	for (int i=0; i<list.getLength(); i++) {
		Node node = list.item(i);
		if (node.getNodeType() == Node.ELEMENT_NODE) {
			((Element)node).removeAttribute("done");
			((Element)node).removeAttribute("hashcode");
			if (node.getNodeName().equals("schema-type")) {
				toRemove.add(node);
			}
			else {
				removeUserDefinedNodes((Element)node);
			}
		}
	}
	Iterator<Node> it = toRemove.iterator();
	while (it.hasNext()) {
		parent.removeChild(it.next());
	}
	toRemove.clear();
}
 

import org.w3c.dom.Node; //导入依赖的package包/类
public void assertRevenueShareDetails_BrokerService(String marketplaceId,
        VOService service, String expectedServiceRevenue,
        String expectedMarketplacePercentage,
        String expectedMarketplaceRevenue,
        String expectedOperatorPercentage, String expectedOperatorRevenue,
        String expectedBrokerPercentage, String expectedBrokerRevenue,
        String expectedSupplierAmount) throws Exception {

    Node revenueShareDetails = assertRevenueShareDetails(marketplaceId,
            service, expectedServiceRevenue, expectedMarketplacePercentage,
            expectedMarketplaceRevenue, expectedOperatorPercentage,
            expectedOperatorRevenue, expectedSupplierAmount);

    assertAttribute(
            revenueShareDetails,
            BillingShareResultXmlTags.ATTRIBUTE_NAME_BROKER_REVENUE_SHARE_PERCENTAGE,
            expectedBrokerPercentage);

    assertAttribute(revenueShareDetails,
            BillingShareResultXmlTags.ATTRIBUTE_NAME_BROKER_REVENUE,
            expectedBrokerRevenue);
}