Example usage for org.w3c.dom Element removeChild

Introduction

In this page you can find the example usage for org.w3c.dom Element removeChild.

Prototype

public Node removeChild(Node oldChild) throws DOMException;

Source Link

Document

Removes the child node indicated by oldChild from the list of children, and returns it.

Usage

From source file:com.meltmedia.cadmium.core.util.WarUtils.java

/**
 * Removes elements by a specified tag name from the xml Element passed in.
 * @param doc The xml Element to remove from.
 * @param tagname The tag name to remove.
 *//*from  w w  w.j a  va  2  s .c  o m*/
public static void removeNodesByTagName(Element doc, String tagname) {
    NodeList nodes = doc.getElementsByTagName(tagname);
    for (int i = 0; i < nodes.getLength(); i++) {
        Node n = nodes.item(i);
        doc.removeChild(n);
    }
}

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From source file:DOMUtils.java

private static void trimEmptyTextNodes(Node node) {
    Element element = null;
    if (node instanceof Document) {
        element = ((Document) node).getDocumentElement();
    } else if (node instanceof Element) {
        element = (Element) node;
    } else {/*from  w  w w  . ja  v a2  s  .  c  om*/
        return;
    }

    List<Node> nodesToRemove = new ArrayList<Node>();
    NodeList children = element.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        if (child instanceof Element) {
            trimEmptyTextNodes(child);
        } else if (child instanceof Text) {
            Text t = (Text) child;
            if (t.getData().trim().length() == 0) {
                nodesToRemove.add(child);
            }
        }
    }

    for (Node n : nodesToRemove) {
        element.removeChild(n);
    }
}

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From source file:org.apache.lens.regression.util.Util.java

public static void changeConfig(HashMap<String, String> map, String remotePath) throws Exception {

    Path p = Paths.get(remotePath);
    String fileName = p.getFileName().toString();
    backupFile = localFilePath + "backup-" + fileName;
    localFile = localFilePath + fileName;
    log.info("Copying " + remotePath + " to " + localFile);
    remoteFile("get", remotePath, localFile);
    Files.copy(new File(localFile).toPath(), new File(backupFile).toPath(), REPLACE_EXISTING);

    DocumentBuilder docBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
    Document doc = docBuilder.parse(new FileInputStream(localFile));
    doc.normalize();//from ww w  .  j  av  a2s  .c  o  m

    NodeList rootNodes = doc.getElementsByTagName("configuration");
    Node root = rootNodes.item(0);
    Element rootElement = (Element) root;
    NodeList property = rootElement.getElementsByTagName("property");

    for (int i = 0; i < property.getLength(); i++) { //Deleting redundant properties from the document
        Node prop = property.item(i);
        Element propElement = (Element) prop;
        Node propChild = propElement.getElementsByTagName("name").item(0);

        Element nameElement = (Element) propChild;
        if (map.containsKey(nameElement.getTextContent())) {
            rootElement.removeChild(prop);
            i--;
        }
    }

    Iterator<Entry<String, String>> ab = map.entrySet().iterator();
    while (ab.hasNext()) {
        Entry<String, String> entry = ab.next();
        String propertyName = entry.getKey();
        String propertyValue = entry.getValue();
        System.out.println(propertyName + " " + propertyValue + "\n");
        Node newNode = doc.createElement("property");
        rootElement.appendChild(newNode);
        Node newName = doc.createElement("name");
        Element newNodeElement = (Element) newNode;

        newName.setTextContent(propertyName);
        newNodeElement.appendChild(newName);

        Node newValue = doc.createElement("value");
        newValue.setTextContent(propertyValue);
        newNodeElement.appendChild(newValue);
    }
    prettyPrint(doc);
    remoteFile("put", remotePath, localFile);
}

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From source file:com.viadee.acceptancetests.roo.addon.PluginDependency.java

private void removeAllChildNodes(Element element) {
    while (element.hasChildNodes()) {
        element.removeChild(element.getFirstChild());
    }//from  ww  w. j a  va2 s .  co m
}

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From source file:com.weaforce.system.component.fckeditor.response.XmlResponse.java

/**
 * Lists all folders in the given dir as XML tags.
 * @param dir/*from w ww .  ja  va 2  s. c om*/
 */
public void setFolders(File dir) {

    if (foldersElement != null) {
        Element parent = (Element) foldersElement.getParentNode();
        parent.removeChild(foldersElement);
    }

    foldersElement = document.createElement("Folders");
    document.getDocumentElement().appendChild(foldersElement);

    String[] fileList = dir.list(DirectoryFileFilter.DIRECTORY);
    for (String file : fileList) {
        Element folderElement = document.createElement("Folder");
        folderElement.setAttribute("name", file);
        foldersElement.appendChild(folderElement);
    }
}

---

From source file:com.weaforce.system.component.fckeditor.response.XmlResponse.java

/**
 * Lists all files in the given dir as XML tags.
 * /*from  ww  w  . j  a va  2  s.  co  m*/
 * @param dir
 */
public void setFiles(File dir) {

    if (filesElement != null) {
        Element parent = (Element) filesElement.getParentNode();
        parent.removeChild(filesElement);
    }

    filesElement = document.createElement("Files");
    document.getDocumentElement().appendChild(filesElement);

    File[] fileList = dir.listFiles((FileFilter) FileFileFilter.FILE);
    long length;
    for (File file : fileList) {
        Element fileElement = document.createElement("File");
        fileElement.setAttribute("name", file.getName());
        if (file.length() < 1024)
            length = 1L;
        else
            length = file.length() / 1024;
        fileElement.setAttribute("size", String.valueOf(length));
        filesElement.appendChild(fileElement);
    }
}

---

From source file:cz.mzk.editor.server.fedora.utils.FedoraUtils.java

/**
 * Removes the elements./*from w  ww  .j a  v  a 2s  . co m*/
 * 
 * @param parent
 *        the parent
 * @param doc
 *        the doc
 * @throws XPathExpressionException
 */
public static List<Element> removeElements(Element parent, Document doc, String xPath)
        throws XPathExpressionException {
    XPathExpression expr = makeNSAwareXpath().compile(xPath);
    NodeList nodes = null;
    List<Element> removedNodes = null;
    try {
        nodes = (NodeList) expr.evaluate(doc, XPathConstants.NODESET);
        removedNodes = new ArrayList<Element>(nodes.getLength());
        for (int i = 0, lastIndex = nodes.getLength() - 1; i <= lastIndex; i++) {
            removedNodes.add((Element) parent.removeChild(nodes.item(i)));
        }
    } catch (XPathExpressionException e) {
        LOGGER.error("Unable to remove elements", e);
    }
    return removedNodes;
}

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From source file:Main.java

/**
 * For compatibility reasons the following is required:
 * If the value of a text node is to be changed, but a CDATA section with this name
 * already exists, the CDATA section is removed an a text node is created or changed.
 *
 * If the value of a CDATA section is to be changed, but a text node with this name
 * already exists, the text node is removed an a CDATA section is created or changed.
 *
 */// www .ja v a  2 s.com
public static void setElementText(Element e, String newValue, boolean cdata) {
    if (e == null) {
        return;
    }

    Node node = null;

    NodeList children = e.getChildNodes();

    if (children != null) {
        Node childToRemove = null;
        boolean changed = false;

        int listLength = children.getLength();

        for (int i = 0; i < listLength; i++) {
            node = children.item(i);

            int nodeType = node.getNodeType();

            if (nodeType == Node.TEXT_NODE) {
                if (cdata) {
                    childToRemove = node;
                } else {
                    node.setNodeValue(newValue);
                    changed = true;
                }
            }

            if (nodeType == Node.CDATA_SECTION_NODE) {
                if (!cdata) {
                    childToRemove = node;
                } else {
                    node.setNodeValue(newValue);
                    changed = true;
                }

            }
        }

        if (childToRemove != null) {
            // System.out.println("removing child " + childToRemove.getNodeValue());
            childToRemove.setNodeValue("");
            e.removeChild(childToRemove);
        }

        if (changed) {
            return;
        }
    }

    Document doc = e.getOwnerDocument();

    if (cdata) {
        node = doc.createCDATASection(newValue);
    } else {
        node = doc.createTextNode(newValue);
    }

    e.appendChild(node);
}

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From source file:br.gov.lexml.parser.documentoarticulado.LexMLParserFromText.java

private String removeNotParsedParagraphs(String xml) {
    String retorno = null;//from  w  ww .  j av a  2  s . com
    Document doc = LexMLUtil.toDocument(xml);
    Element root = doc.getDocumentElement();
    NodeList nodelist = root.getChildNodes();
    for (int i = 0; i < nodelist.getLength(); i++)
        if (nodelist.item(i).getNodeName().equals(TAG_PARAGRAPH)) {
            root.removeChild(nodelist.item(i));
            i--;
        }
    if (getDataLocalFecho() == null)
        retorno = LexMLUtil.xmlToString(doc);
    else
        retorno = LexMLUtil.xmlToString(doc).replace(getDataLocalFecho(), "")
                .replace(getAssinatura().toString().replace(",", "").replace("[", "").replace("]", ""), "");
    return retorno;
}

---

From source file:de.betterform.xml.dom.DOMUtil.java

/**
 * Appends the specified value as a text node to the element. If the
 * value is <code>null</code>, the element's first child node will be
 * removed.// w  w  w  . j  a  v a  2  s .  c  o m
 *
 * @param element the element.
 * @param value   the element's value.
 */
public static void setElementValue(Element element, String value) {
    Node child = element.getFirstChild();

    if (value != null) {
        if (child == null) {
            child = element.getOwnerDocument().createTextNode("");
            element.appendChild(child);
        }

        child.setNodeValue(value);
    } else {
        if (child != null) {
            element.removeChild(child);
        }
    }
}

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