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:com.edgenius.wiki.rss.RSSServiceImpl.java
/** * @param spaceUid/* w w w . ja v a2 s . com*/ * @param spaceUname * @param viewer * @param skipSecurityCheck * @return * @throws FeedException */ private Document getFeedDom(Integer spaceUid, String spaceUname, User viewer, boolean skipSecurityCheck) throws FeedException { ReentrantReadWriteLock lock = null; Document dom; try { File feedFile = new File(FileUtil.getFullPath(rssRoot.getFile().getAbsolutePath(), spaceUid + ".xml")); if (!feedFile.exists()) { createFeed(spaceUname); } //do read lock! must after createFeed possibility, otherwise, deadlock lock = lockMap.get(spaceUid.toString()); if (lock == null) { lock = new ReentrantReadWriteLock(); lockMap.put(spaceUid.toString(), lock); } lock.readLock().lock(); //!!! DON'T USE JDOM - although I test DOM, JDOM, DOM4J: JDOM is fastest. And DOM and DOM4J almost 2 time slow. But //!!! JDOM is not thread safe, an infinite looping can happen while this method reading different XML source, //in different thread, and SAXBuild are different instance! The problem is mostly caused by NameSpace.getNamespace(), //which using static HashMap and cause HashMap dead lock!!! DocumentBuilder builder = xmlBuilderPool.poll(); if (builder == null) { DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); factory.setValidating(false); factory.setCoalescing(true); factory.setIgnoringComments(true); builder = factory.newDocumentBuilder(); } dom = builder.parse(feedFile); xmlBuilderPool.add(builder); } catch (Exception e) { log.error("Unable get feed " + spaceUname + " with excpetion ", e); throw new FeedException("Unable get feed " + spaceUname + " with excpetion " + e); } finally { if (lock != null) lock.readLock().unlock(); } if (dom == null) { log.error("Unable get feed " + spaceUname); throw new FeedException("Unable get feed " + spaceUname); } //~~~~~~~~~~~~ Security filter if (!skipSecurityCheck) { //need filter out the page that viewer has not permission to read. List<Node> forbidPageUuidList = new ArrayList<Node>(); String pageUuid; Node ele; NodeList list = dom.getElementsByTagName(PageRSSModule.NS_PREFIX + ":" + PageRSSModule.PAGE_UUID); int len = list.getLength(); for (int idx = 0; idx < len; idx++) { ele = list.item(idx); pageUuid = ele.getTextContent(); if (!securityService.isAllowPageReading(spaceUname, pageUuid, viewer)) { log.info("User " + (viewer == null ? "anonymous" : viewer.getUsername()) + " has not reading permission for pageUuid " + pageUuid + " on space " + spaceUname + ". Feed item of this page is removed from RSS output."); forbidPageUuidList.add(ele.getParentNode()); } } if (forbidPageUuidList.size() > 0) { NodeList cl = dom.getElementsByTagName(PageRSSModule.CHANNEL); if (cl.getLength() > 0) { //only one channel tag! Node channel = cl.item(0); for (Node element : forbidPageUuidList) { channel.removeChild(element); } } } } return dom; }
From source file:com.photon.phresco.impl.ConfigManagerImpl.java
@Override public void deleteConfiguration(String envName, Configuration configuration) throws ConfigurationException { Node environment = getNode(getXpathEnv(envName).toString()); Node configNode = getNode(getXpathConfigByEnv(envName, configuration.getName())); environment.removeChild(configNode); try {//from www . j a v a2 s . co m writeXml(new FileOutputStream(configFile)); } catch (FileNotFoundException e) { throw new ConfigurationException(e); } }
From source file:com.adaptris.util.XmlUtils.java
/** * Convenience method which removes a Node from the children of a parent * * @param toBeRemoved the Node to be Removed * @param parent the parent Node//from www . j a v a 2s .c o m * @throws Exception on error. */ public void removeNode(Node toBeRemoved, Node parent) throws Exception { parent.removeChild(toBeRemoved); }
From source file:com.photon.phresco.impl.ConfigManagerImpl.java
private void deleteConfiguration(String envName, List<String> configNames) throws ConfigurationException { Node environment = getNode(getXpathEnv(envName).toString()); for (String configName : configNames) { Node configNode = getNode(getXpathConfigByEnv(envName, configName)); environment.removeChild(configNode); }/*from w ww.j a va 2s .c om*/ }
From source file:de.betterform.session.DefaultSerializer.java
/** * inlines all instances from the processor into the output document. Eventually existent @src Attributes * have already been removed during the 'reset' transformation. * * @param out the output document for serialization */// ww w. j av a 2s .c om public void inlineInstances(Document out) throws XFormsException { //imlining instances NodeInfo context = getDocumentElementContext(out); //iterate all models to get all instances List models = this.processor.getContainer().getModels(); for (int i = 0; i < models.size(); i++) { Model model = (Model) models.get(i); List instances = model.getInstances(); for (int j = 0; j < instances.size(); j++) { Instance instance = (Instance) instances.get(j); String id = instance.getId(); //get node from out String search = "//*[@id='" + id + "']"; Node outInstance = XPathUtil.getAsNode( XPathCache.getInstance().evaluate(context, search, Collections.EMPTY_MAP, null), 1); Node imported = out.adoptNode(instance.getInstanceDocument().getDocumentElement()); if (imported == null) { throw new XFormsException("Root Element for Instance '" + instance.getId() + "' not found"); } Node firstChild = DOMUtil.getFirstChildElement(outInstance); if (firstChild != null) { outInstance.removeChild(firstChild); } outInstance.appendChild(imported); // outInstance.replaceChild(imported,DOMUtil.getFirstChildElement(outInstance)); } } }
From source file: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 w w w . j a v a 2s .c o m*/ */ public static void insertBefore(NodeList newNodes, Node refNode) { Node parentNode = refNode.getParentNode(); if (parentNode == null) { System.out .println("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()) { System.out.println( "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 { System.out.println( "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:DomUtils.java
/** * Remove the supplied element from its containing document. * <p/>/*w w w.jav a2 s .com*/ * 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) { Node parent = element.getParentNode(); if (parent == null) { System.out.println("Cannot remove element [" + element + "]. [" + element + "] has no parent."); return; } NodeList children = element.getChildNodes(); if (parent instanceof Document) { List childElements = null; if (!keepChildren) { System.out.println("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 { System.out.println( "Cannot remove empty document root element [" + DomUtils.getName(element) + "]."); } } } else { if (keepChildren && children != null) { DomUtils.insertBefore(children, element); } parent.removeChild(element); } }
From source file:com.stratelia.webactiv.util.XMLConfigurationStore.java
public void replaceValue(Node n, String key, String value) { Node entry = findNode(n, key); if (entry != null) { n.removeChild(entry); }//from w w w .j av a 2 s . c o m Node newElement = xmlConfigDOMDoc.createElement(key); Node newValue = xmlConfigDOMDoc.createTextNode(value); newElement.appendChild(newValue); n.appendChild(newElement); }
From source file:com.stratelia.webactiv.util.XMLConfigurationStore.java
public void put(String key, String values[]) { Node paramNode = getXMLParamNode(key); if (paramNode != null) { Node paramNodeParent = paramNode.getParentNode(); if (paramNodeParent != null) { paramNodeParent.removeChild(paramNode); }//w w w . ja va2s . c o m } Element param = xmlConfigDOMDoc.createElement("param"); Node name = xmlConfigDOMDoc.createElement("param-name"); Node description = xmlConfigDOMDoc.createElement("param-description"); Node nameValue = xmlConfigDOMDoc.createTextNode(key); for (String value : values) { Node vValue = xmlConfigDOMDoc.createTextNode(value); Node v = xmlConfigDOMDoc.createElement("param-value"); param.appendChild(v); v.appendChild(vValue); } rootNode.appendChild(param); param.appendChild(name); name.appendChild(nameValue); param.appendChild(description); xmlConfigDOMDoc.getDocumentElement().normalize(); }
From source file:com.photon.phresco.impl.ConfigManagerImpl.java
@Override public void deleteConfigurations(List<Configuration> configurations) throws ConfigurationException { try {/*from www. ja v a 2 s. co m*/ for (Configuration configuration : configurations) { Node environment = getNode(getXpathEnv(configuration.getEnvName()).toString()); Node configNode = getNode(getXpathConfigByEnv(configuration.getEnvName(), configuration.getName())); if (environment != null) { environment.removeChild(configNode); } } writeXml(new FileOutputStream(configFile)); } catch (FileNotFoundException e) { throw new ConfigurationException(e); } }