List of usage examples for org.w3c.dom Node removeChild
public Node removeChild(Node oldChild) throws DOMException;
oldChild from the list of children, and returns it. From source file:org.dhatim.xml.DomUtils.java
/** * Insert the supplied node before the supplied reference node (refNode). * @param newNode Node to be inserted.// w ww . j av a 2 s . c om * @param refNode Reference node before which the supplied nodes should * be inserted. */ public static void insertBefore(Node newNode, Node refNode) { AssertArgument.isNotNull(newNode, "newNode"); AssertArgument.isNotNull(refNode, "refNode"); Node parentNode = refNode.getParentNode(); if (parentNode == null) { logger.debug( "Cannot insert [" + newNode + "] before [" + refNode + "]. [" + refNode + "] has no parent."); return; } if (parentNode instanceof Document && newNode.getNodeType() == Node.ELEMENT_NODE) { logger.debug( "Request to insert an element before the Document root node. This is not allowed. Replacing the Document root with the new Node."); parentNode.removeChild(refNode); parentNode.appendChild(newNode); } else { parentNode.insertBefore(newNode, refNode); } }
From source file:org.dhatim.xml.DomUtils.java
/** * Insert the supplied nodes before the supplied reference node (refNode). * @param newNodes Nodes to be inserted. * @param refNode Reference node before which the supplied nodes should * be inserted.//from ww w.j a v a 2 s . c om */ public static void insertBefore(NodeList newNodes, Node refNode) { AssertArgument.isNotNull(newNodes, "newNodes"); AssertArgument.isNotNull(refNode, "refNode"); Node parentNode = refNode.getParentNode(); if (parentNode == null) { logger.debug("Cannot insert a NodeList before [" + refNode + "]. [" + refNode + "] has no parent."); return; } int nodeCount = newNodes.getLength(); List nodeList = DomUtils.copyNodeList(newNodes); if (nodeCount == 0) { return; } if (parentNode instanceof Document) { List elements = DomUtils.getElements(newNodes, "*", null); if (!elements.isEmpty()) { logger.debug( "Request to insert a NodeList before the Document root node. Will replace the root element with the 1st element node from the NodeList."); parentNode.removeChild(refNode); parentNode.appendChild((Node) elements.get(0)); } else { logger.debug( "Cannot insert beforen the document root element from a NodeList that doesn't contain an element node."); } for (int i = 0; i < nodeCount; i++) { Node node = (Node) nodeList.get(i); if (node.getNodeType() != Node.ELEMENT_NODE) { System.out.println("****" + node); parentNode.insertBefore(node, refNode); } } } else { for (int i = 0; i < nodeCount; i++) { parentNode.insertBefore((Node) nodeList.get(i), refNode); } } }
From source file:org.dhatim.xml.DomUtils.java
/** * Remove the supplied element from its containing document. * <p/>// w w w .ja v a2 s. co m * Tries to manage scenarios where a request is made to remove the root element. * Cannot remove the root element in any of the following situations: * <ul> * <li>"keepChildren" parameter is false.</li> * <li>root element is empty of {@link Node#ELEMENT_NODE} nodes.</li> * </ul> * @param element Element to be removed. * @param keepChildren Keep child content. */ public static void removeElement(Element element, boolean keepChildren) { AssertArgument.isNotNull(element, "element"); Node parent = element.getParentNode(); if (parent == null) { logger.debug("Cannot remove element [" + element + "]. [" + element + "] has no parent."); return; } NodeList children = element.getChildNodes(); if (parent instanceof Document) { List childElements = null; if (!keepChildren) { logger.debug("Cannot remove document root element [" + DomUtils.getName(element) + "] without keeping child content."); } else { if (children != null && children.getLength() > 0) { childElements = DomUtils.getElements(element, "*", null); } if (childElements != null && !childElements.isEmpty()) { parent.removeChild(element); parent.appendChild((Element) childElements.get(0)); } else { logger.debug("Cannot remove empty document root element [" + DomUtils.getName(element) + "]."); } } } else { if (keepChildren && children != null) { DomUtils.insertBefore(children, element); } parent.removeChild(element); } }
From source file:org.dhatim.xml.DomUtils.java
/** * Remove all child nodes from the supplied node. * @param node to be "cleared"./*from w ww . ja va2 s. c o m*/ */ public static void removeChildren(Node node) { AssertArgument.isNotNull(node, "node"); NodeList children = node.getChildNodes(); int nodeCount = children.getLength(); for (int i = 0; i < nodeCount; i++) { node.removeChild(children.item(0)); } }
From source file:org.directwebremoting.drapgen.generate.gi.GiType.java
/** * @param method//from w ww .j a va 2 s .co m */ private void removeMethod(GiMethod method) { Element element = method.getElement(); Node parent = element.getParentNode(); if (parent != null) { parent.removeChild(element); } }
From source file:org.docx4j.openpackaging.parts.XmlPart.java
/** * Set the value of the node referenced in the xpath expression. * //from w ww . ja va 2 s . c o m * @param xpath * @param value * @param prefixMappings a string such as "xmlns:ns0='http://schemas.medchart'" * @return * @throws Docx4JException */ public boolean setNodeValueAtXPath(String xpath, String value, String prefixMappings) throws Docx4JException { try { getNamespaceContext().registerPrefixMappings(prefixMappings); Node n = (Node) xPath.evaluate(xpath, doc, XPathConstants.NODE); if (n == null) { log.debug("xpath returned null"); return false; } log.debug(n.getClass().getName()); // Method 1: Crimson throws error // Could avoid with System.setProperty("javax.xml.parsers.DocumentBuilderFactory", // "com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl"); //n.setTextContent(value); // Method 2: crimson ignores // n.setNodeValue(value); // Method 3: createTextNode, then append it // First, need to delete/replace existing text node if (n.getChildNodes() != null && n.getChildNodes().getLength() > 0) { NodeList nodes = n.getChildNodes(); for (int i = nodes.getLength(); i > 0; i--) { n.removeChild(nodes.item(i - 1)); } } Text t = n.getOwnerDocument().createTextNode(value); n.appendChild(t); // cache is now invalid return true; } catch (Exception e) { throw new Docx4JException("Problem setting value at xpath " + xpath); } }
From source file:org.eclipse.ecr.common.xmap.DOMHelper.java
/** * Parses a string containing XML and returns a DocumentFragment containing * the nodes of the parsed XML.//w ww. j av a2 s . c o m */ public static void loadFragment(Element el, String fragment) { // Wrap the fragment in an arbitrary element fragment = "<fragment>" + fragment + "</fragment>"; try { // Create a DOM builder and parse the fragment DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); Document d = factory.newDocumentBuilder().parse(new InputSource(new StringReader(fragment))); Document doc = el.getOwnerDocument(); // Import the nodes of the new document into doc so that they // will be compatible with doc Node node = doc.importNode(d.getDocumentElement(), true); // Create the document fragment node to hold the new nodes DocumentFragment docfrag = doc.createDocumentFragment(); // Move the nodes into the fragment while (node.hasChildNodes()) { el.appendChild(node.removeChild(node.getFirstChild())); } } catch (Exception e) { log.error(e, e); } }
From source file:org.eclipse.skalli.core.extension.DataMigration11.java
/** * Changes from model version 11 -> 12: * <ol>//from ww w . jav a 2 s.c o m * <li>Project members now in separate collections</li> * </ol> */ @Override public void migrate(Document doc) { Map<String, String> roleCache = new HashMap<String, String>(); List<String> members = new LinkedList<String>(); List<String> leads = new LinkedList<String>(); List<String> productOwners = new LinkedList<String>(); List<String> scrumMasters = new LinkedList<String>(); // reading old project members and their roles NodeList nodes = doc.getElementsByTagName("org.eclipse.skalli.model.core.ProjectMember"); for (int i = 0; i < nodes.getLength(); i++) { Element member = (Element) nodes.item(i); String userId = member.getElementsByTagName("userID").item(0).getTextContent(); LOG.debug("Reading User '" + userId + "' for Migration."); NodeList roles = member.getElementsByTagName("roles").item(0).getChildNodes(); for (int j = 0; j < roles.getLength(); j++) { Node roleNode = (Node) roles.item(j); if (roleNode instanceof Element && !roleNode.getNodeName().equals("no-comparator")) { Element roleElement = (Element) roleNode; String role = null; if (StringUtils.isBlank(roleElement.getAttribute("reference"))) { role = roleElement.getElementsByTagName("technicalName").item(0).getTextContent(); roleCache.put(roleElement.getNodeName(), role); } else { role = roleCache.get(roleElement.getNodeName()); } LOG.debug("User '" + userId + "' has role '" + role + "'."); if (role.equals("projectmember")) { members.add(userId); } else if (role.equals("projectlead")) { leads.add(userId); } else if (role.equals("scrummaster")) { scrumMasters.add(userId); } else if (role.equals("productowner")) { productOwners.add(userId); } else { throw new RuntimeException("unknown role: " + role); } } } } // remove current "members" section Node membersNode = doc.getElementsByTagName("members").item(0); if (membersNode == null) { throw new RuntimeException(doc.toString()); } Node projectNode = membersNode.getParentNode(); projectNode.removeChild(membersNode); // add (new) members addPeopleSection(doc, projectNode, "members", members); // add leads addPeopleSection(doc, projectNode, "leads", leads); // add scrum people if (scrumMasters.size() > 0 || productOwners.size() > 0) { Node scrumExt = doc.getElementsByTagName("org.eclipse.skalli.model.ext.scrum.ScrumProjectExt").item(0); if (scrumExt == null) { LOG.warn("there were scrum people, but no scrum extension."); } else { // add scrum masters addPeopleSection(doc, scrumExt, "scrumMasters", scrumMasters); // add product owners addPeopleSection(doc, scrumExt, "productOwners", productOwners); } } }
From source file:org.eclipse.skalli.view.internal.servlet.StaticContentServlet.java
/** * Resolves all <include> in a given schema and writes the * result to the given output stream. Includes that can't be resolved * are removed from the schema.// w w w. j av a 2 s. c o m * @param in the input stream providing the schema to resolve. * @param out the output stream to write the result to. * @throws IOException if an i/o error occured. * @throws SAXException if parsing of the schema failed. * @throws ParserConfigurationException indicates a serious parser configuration error. * @throws TransformerException if transforming the schema DOM to a character stream failed. * @throws TransformerConfigurationException indicates a serious transformer configuration error. */ private void resolveIncludes(InputStream in, OutputStream out) throws IOException, SAXException, ParserConfigurationException, TransformerConfigurationException, TransformerException { DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); Document schemaDOM = dbf.newDocumentBuilder().parse(new InputSource(in)); Element schemaRoot = schemaDOM.getDocumentElement(); // iterate all <include> tags and resolve them if possible NodeList includes = schemaDOM.getElementsByTagName("xsd:include"); while (includes.getLength() > 0) { for (int i = 0; i < includes.getLength(); ++i) { Node includeNode = includes.item(i); Node includeParent = includeNode.getParentNode(); Node schemaLocation = includeNode.getAttributes().getNamedItem("schemaLocation"); if (schemaLocation != null) { // extract the pure file name from the schemaLocation and // try to find an XSD resource in all model extensions matching // the given schemaLocation attribute -> if found, replace the include tag // with the DOM of the include (without the root tag, of course!) URL includeFile = RestUtils.findSchemaResource(schemaLocation.getTextContent()); if (includeFile != null) { Document includeDOM = dbf.newDocumentBuilder() .parse(new InputSource(includeFile.openStream())); NodeList includeNodes = includeDOM.getDocumentElement().getChildNodes(); for (int j = 0; j < includeNodes.getLength(); ++j) { // import and insert the tag before <include> schemaRoot.insertBefore(schemaDOM.importNode(includeNodes.item(j), true), includeNode); } } // in any case: remove the <include> tag includeParent.removeChild(includeNode); } } // resolve includes of includes (if any) includes = schemaDOM.getElementsByTagName("xsd:include"); } // serialize the schema DOM to the given output stream Transformer xform = TransformerFactory.newInstance().newTransformer(); xform.setOutputProperty(OutputKeys.INDENT, "yes"); xform.setOutputProperty(OutputKeys.ENCODING, "UTF-8"); xform.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "no"); xform.transform(new DOMSource(schemaDOM), new StreamResult(out)); }
From source file:org.eclipse.smila.processing.pipelets.xmlprocessing.util.XPathUtils.java
/** * Removes nodes by XPath./* www .j a v a2 s. co m*/ * * @param node * the Node * @param xpath * the XPath * @param namespaceNode * the namespace */ public static void removeNodesByXPath(Node node, String xpath, Node namespaceNode) { final Log log = LogFactory.getLog(XPathUtils.class); try { final XObject xobj = XPathAPI.eval(node, xpath, namespaceNode); if (xobj instanceof NodeSequence) { final NodeList nlTemp = xobj.nodelist(); for (int i = 0; i < nlTemp.getLength(); i++) { final Node parent = nlTemp.item(i).getParentNode(); parent.removeChild(nlTemp.item(i)); } /* * } else if (xobj instanceof XBoolean) { xobj.nodelist() return new Boolean(xobj.bool()); } else if (xobj * instanceof XNumber) { return new Double(xobj.num()); } else if (xobj instanceof XRTreeFrag) { return * xobj.str(); } else if (xobj instanceof XString) { return xobj.str(); */ } else { throw new Exception("unsupported xpath return type [" + xobj.getClass().getName() + "]"); } } catch (final Exception e) { log.error("unkown error occured", e); } }