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.structr.web.entity.dom.DOMNode.java
@Override public Node insertBefore(final Node newChild, final Node refChild) throws DOMException { // according to DOM spec, insertBefore with null refChild equals appendChild if (refChild == null) { return appendChild(newChild); }/*www . j a v a 2s . c o m*/ checkWriteAccess(); checkSameDocument(newChild); checkSameDocument(refChild); checkHierarchy(newChild); checkHierarchy(refChild); if (newChild instanceof DocumentFragment) { // When inserting document fragments, we must take // care of the special case that the nodes already // have a NEXT_LIST_ENTRY relationship coming from // the document fragment, so we must first remove // the node from the document fragment and then // add it to the new parent. final DocumentFragment fragment = (DocumentFragment) newChild; Node currentChild = fragment.getFirstChild(); while (currentChild != null) { // save next child in fragment list for later use Node savedNextChild = currentChild.getNextSibling(); // remove child from document fragment fragment.removeChild(currentChild); // insert child into new parent insertBefore(currentChild, refChild); // next currentChild = savedNextChild; } } else { final Node _parent = newChild.getParentNode(); if (_parent != null) { _parent.removeChild(newChild); } try { // do actual tree insertion here treeInsertBefore((DOMNode) newChild, (DOMNode) refChild); } catch (FrameworkException frex) { if (frex.getStatus() == 404) { throw new DOMException(DOMException.NOT_FOUND_ERR, frex.getMessage()); } else { throw new DOMException(DOMException.INVALID_STATE_ERR, frex.getMessage()); } } // allow parent to set properties in new child handleNewChild(newChild); } return refChild; }
From source file:org.structr.web.entity.dom.DOMNode.java
@Override public Node replaceChild(final Node newChild, final Node oldChild) throws DOMException { checkWriteAccess();//from ww w. j a va 2 s . c o m checkSameDocument(newChild); checkSameDocument(oldChild); checkHierarchy(newChild); checkHierarchy(oldChild); if (newChild instanceof DocumentFragment) { // When inserting document fragments, we must take // care of the special case that the nodes already // have a NEXT_LIST_ENTRY relationship coming from // the document fragment, so we must first remove // the node from the document fragment and then // add it to the new parent. // replace indirectly using insertBefore and remove final DocumentFragment fragment = (DocumentFragment) newChild; Node currentChild = fragment.getFirstChild(); while (currentChild != null) { // save next child in fragment list for later use final Node savedNextChild = currentChild.getNextSibling(); // remove child from document fragment fragment.removeChild(currentChild); // add child to new parent insertBefore(currentChild, oldChild); // next currentChild = savedNextChild; } // finally, remove reference element removeChild(oldChild); } else { Node _parent = newChild.getParentNode(); if (_parent != null && _parent instanceof DOMNode) { _parent.removeChild(newChild); } try { // replace directly treeReplaceChild((DOMNode) newChild, (DOMNode) oldChild); } catch (FrameworkException frex) { if (frex.getStatus() == 404) { throw new DOMException(DOMException.NOT_FOUND_ERR, frex.getMessage()); } else { throw new DOMException(DOMException.INVALID_STATE_ERR, frex.getMessage()); } } // allow parent to set properties in new child handleNewChild(newChild); } return oldChild; }
From source file:org.structr.web.entity.dom.DOMNode.java
@Override public Node appendChild(final Node newChild) throws DOMException { checkWriteAccess();/*w w w .j ava 2s . co m*/ checkSameDocument(newChild); checkHierarchy(newChild); try { if (newChild instanceof DocumentFragment) { // When inserting document fragments, we must take // care of the special case that the nodes already // have a NEXT_LIST_ENTRY relationship coming from // the document fragment, so we must first remove // the node from the document fragment and then // add it to the new parent. // replace indirectly using insertBefore and remove final DocumentFragment fragment = (DocumentFragment) newChild; Node currentChild = fragment.getFirstChild(); while (currentChild != null) { // save next child in fragment list for later use final Node savedNextChild = currentChild.getNextSibling(); // remove child from document fragment fragment.removeChild(currentChild); // append child to new parent appendChild(currentChild); // next currentChild = savedNextChild; } } else { final Node _parent = newChild.getParentNode(); if (_parent != null && _parent instanceof DOMNode) { _parent.removeChild(newChild); } treeAppendChild((DOMNode) newChild); // allow parent to set properties in new child handleNewChild(newChild); } } catch (FrameworkException fex) { throw new DOMException(DOMException.INVALID_STATE_ERR, fex.toString()); } return newChild; }
From source file:org.structr.web.entity.dom.Page.java
private Node importNode(final Node node, final boolean deep, final boolean removeParentFromSourceNode) throws DOMException { if (node instanceof DOMNode) { final DOMNode domNode = (DOMNode) node; // step 1: use type-specific import impl. Node importedNode = domNode.doImport(Page.this); // step 2: do recursive import? if (deep && domNode.hasChildNodes()) { // FIXME: is it really a good idea to do the // recursion inside of a transaction? Node child = domNode.getFirstChild(); while (child != null) { // do not remove parent for child nodes importNode(child, deep, false); child = child.getNextSibling(); logger.log(Level.INFO, "sibling is {0}", child); }/* w w w . j a va 2 s . c om*/ } // step 3: remove node from its current parent // (Note that this step needs to be done last in // (order for the child to be able to find its // siblings.) if (removeParentFromSourceNode) { // only do this for the actual source node, do not remove // child nodes from its parents Node _parent = domNode.getParentNode(); if (_parent != null) { _parent.removeChild(domNode); } } return importedNode; } return null; }
From source file:org.structr.web.entity.dom.Page.java
private Node adoptNode(final Node node, final boolean removeParentFromSourceNode) throws DOMException { if (node instanceof DOMNode) { final DOMNode domNode = (DOMNode) node; // step 2: do recursive import? if (domNode.hasChildNodes()) { Node child = domNode.getFirstChild(); while (child != null) { // do not remove parent for child nodes adoptNode(child, false); child = child.getNextSibling(); }//from w w w. j av a 2 s . c o m } // step 3: remove node from its current parent // (Note that this step needs to be done last in // (order for the child to be able to find its // siblings.) if (removeParentFromSourceNode) { // only do this for the actual source node, do not remove // child nodes from its parents Node _parent = domNode.getParentNode(); if (_parent != null) { _parent.removeChild(domNode); } } // step 1: use type-specific adopt impl. Node adoptedNode = domNode.doAdopt(Page.this); return adoptedNode; } return null; }
From source file:org.structr.web.maintenance.deploy.PageImportVisitor.java
/** * Remove duplicate Head element from import process. * @param page//from www . ja v a2 s . com */ private void fixDocumentElements(final Page page) { final NodeList heads = page.getElementsByTagName("head"); if (heads.getLength() > 1) { final Node head1 = heads.item(0); final Node head2 = heads.item(1); final Node parent = head1.getParentNode(); final boolean h1 = head1.hasChildNodes(); final boolean h2 = head2.hasChildNodes(); if (h1 && h2) { // merge for (Node child = head2.getFirstChild(); child != null; child = child.getNextSibling()) { head2.removeChild(child); head1.appendChild(child); } parent.removeChild(head2); } else if (h1 && !h2) { // remove head2 parent.removeChild(head2); } else if (!h1 && h2) { // remove head1 parent.removeChild(head1); } else { // remove first, doesn't matter parent.removeChild(head1); } } }
From source file:org.wso2.carbon.bpmn.core.types.datatypes.xml.api.XMLDocument.java
/** * Function to set/replace/update an object (String / Element) to matching the xPath provided. (In case new element * is added, this api will clone it and merge the new node to the target location pointed by xPath and return the new cloned node) * * @param xPathStr xPath to the location object need to set * @param obj String or Node/*from w w w. j av a2s . c o m*/ * @return returns the node get updated when the set object is String, or returns newly added Node in case object is Element * @throws XPathExpressionException If expression cannot be evaluated * @throws BPMNXmlException is thrown due to : Provided XPath and object does not match, provided object is not a Node or String * result is NodeList, not a Text node or Element */ public Node set(String xPathStr, Object obj) throws XPathExpressionException, BPMNXmlException { NodeList evalResult = (NodeList) Utils.evaluateXPath(this.doc, xPathStr, XPathConstants.NODESET); if (evalResult.getLength() == 1) { Node targetNode = evalResult.item(0); if (obj instanceof String && targetNode instanceof Text) { //if string is provided, assume that user //need to replace the node value targetNode.setNodeValue((String) obj); //return updated Text Node return targetNode; } else if ((obj instanceof Integer || obj instanceof Byte || obj instanceof Character || obj instanceof Short || obj instanceof Long || obj instanceof Float || obj instanceof Double || obj instanceof Boolean) && targetNode instanceof Text) { //need to replace the node value targetNode.setNodeValue(obj.toString()); //return updated Text Node return targetNode; } else if (obj instanceof Element && targetNode instanceof Element && targetNode.getParentNode() != null) { //if the user provides Node object, // assume that need to replace the target node Node targetParent = targetNode.getParentNode(); Node nextSibling = targetNode.getNextSibling(); //remove the target node targetParent.removeChild(targetNode); //add new node Node newNode = doc.importNode((Node) obj, true); if (nextSibling != null) { //If next sibling exists we have to put the new node before it targetParent.insertBefore(newNode, nextSibling); } else { targetParent.appendChild(newNode); } //return new node return newNode; } else { //provided XPath and object to set does not match throw new BPMNXmlException("Provided XPath and provided object does not match"); } } else if (evalResult.getLength() > 0) { throw new BPMNXmlException( "Error in provided xPath. Evaluation result is NodeList, not a Text node or Element"); } else { throw new BPMNXmlException("Error in provided xPath. Evaluation result is not a Text node or Element"); } }
From source file:org.wso2.carbon.es.migration.client.ProviderMigrationClient.java
private void migrateProvider(Collection root, Registry registry) throws RegistryException, SAXException, TransformerException, ParserConfigurationException, IOException { String[] childrenPaths = root.getChildren(); for (String child : childrenPaths) { Resource childResource = registry.get(child); if (childResource instanceof Collection) { migrateProvider((Collection) childResource, registry); } else {//from ww w . java2 s.c om String path = childResource.getPath(); byte[] configContent = (byte[]) childResource.getContent(); String contentString = RegistryUtils.decodeBytes(configContent); Document dom = stringToDocument(contentString); if (dom.getElementsByTagName(Constants.OVERVIEW).getLength() > 0) { Node overview = dom.getElementsByTagName(Constants.OVERVIEW).item(0); NodeList childrenList = overview.getChildNodes(); for (int j = 0; j < childrenList.getLength(); j++) { Node node = childrenList.item(j); if (Constants.PROVIDER.equals(node.getNodeName())) { overview.removeChild(node); } } String newContentString = documentToString(dom); byte[] newContentObject = RegistryUtils.encodeString(newContentString); childResource.setContent(newContentObject); registry.put(path, childResource); } } } }
From source file:org.wso2.carbon.greg.migration.client.ProviderMigrationClient.java
private void migrateProvider(Collection root, Registry registry) throws RegistryException, SAXException, TransformerException, ParserConfigurationException, IOException { String[] childrenPaths = root.getChildren(); for (String child : childrenPaths) { Resource childResource = registry.get(child); if (childResource instanceof Collection) { migrateProvider((Collection) childResource, registry); } else {/*w ww.j a v a 2 s.co m*/ String path = childResource.getPath(); byte[] configContent = (byte[]) childResource.getContent(); String contentString = RegistryUtils.decodeBytes(configContent); Document dom = stringToDocument(contentString); if (dom.getElementsByTagName(Constants.OVERVIEW).getLength() > 0) { Node overview = dom.getElementsByTagName(Constants.OVERVIEW).item(0); NodeList childrenList = overview.getChildNodes(); for (int j = 0; j < childrenList.getLength(); j++) { Node node = childrenList.item(j); if (Constants.PROVIDER.equals(node.getNodeName())) { overview.removeChild(node); String newContentString = documentToString(dom); byte[] newContentObject = RegistryUtils.encodeString(newContentString); childResource.setContent(newContentObject); registry.put(path, childResource); } } } } } }
From source file:org.xwiki.xml.html.HTMLUtils.java
/** * Remove the first element inside a parent element and copy the element's children in the parent. * * @param document the w3c document from which to remove the top level paragraph * @param parentTagName the name of the parent tag to look under * @param elementTagName the name of the first element to remove *///from www . j a v a 2 s . c om public static void stripFirstElementInside(Document document, String parentTagName, String elementTagName) { NodeList parentNodes = document.getElementsByTagName(parentTagName); if (parentNodes.getLength() > 0) { Node parentNode = parentNodes.item(0); // Look for a p element below the first parent element Node pNode = parentNode.getFirstChild(); if (elementTagName.equalsIgnoreCase(pNode.getNodeName())) { // Move all children of p node under the root element NodeList pChildrenNodes = pNode.getChildNodes(); while (pChildrenNodes.getLength() > 0) { parentNode.insertBefore(pChildrenNodes.item(0), null); } parentNode.removeChild(pNode); } } }