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:Main.java

private static void removeWhitespaces(Element element) {
    NodeList children = element.getChildNodes();
    for (int i = 0; i < children.getLength();) {
        Node n = children.item(i);
        if (n instanceof Element) {
            removeWhitespaces((Element) n);
            ++i;/*from w  w w . j  a  va 2 s . co m*/
        } else if (n instanceof Text && ((Text) n).getTextContent().trim().length() == 0) {
            element.removeChild(n);
        } else {
            ++i;
        }
    }
}

From source file:Main.java

/**
 * Delete children elements for Element by element name
 *//*from   w  w  w. j  a v a  2  s. co  m*/
public static void removeAllChildren(Element node, String elementName) {
    if (node != null) {
        NodeList nl = node.getChildNodes();
        int len = nl.getLength();
        for (int i = 0; i < len; i++) {
            Node childNode = nl.item(i);
            if (childNode != null && childNode.getLocalName() != null
                    && childNode.getLocalName().equals(elementName))
                node.removeChild(childNode);
        }
    }
}

From source file:Main.java

@Deprecated
private static void removeWhitespaceNodes(org.w3c.dom.Element e) {
    org.w3c.dom.NodeList children = e.getChildNodes();
    for (int i = children.getLength() - 1; i >= 0; i--) {
        org.w3c.dom.Node child = children.item(i);
        if ((child instanceof org.w3c.dom.Text)
                && (((org.w3c.dom.Text) child).getData().trim().length() == 0)) {
            e.removeChild(child);
        } else if (child instanceof org.w3c.dom.Element) {
            removeWhitespaceNodes((org.w3c.dom.Element) child);
        }//from w  w w.j  a v a 2  s  .c  o m
    }
}

From source file:Main.java

public static void genericRemoveAll(Element parent, String tagname) {
    NodeList nl = parent.getChildNodes();
    List<Element> parts = new ArrayList<Element>();
    for (int i = 0; i < nl.getLength(); i++) {
        if (nl.item(i) instanceof Element) {
            Element elem = (Element) nl.item(i);
            if (elem.getTagName().equals(tagname))
                parts.add(elem);/*from  www  .  jav  a  2s .  c  o m*/
        }
    }
    for (Element part : parts)
        parent.removeChild(part);
}

From source file:Main.java

public static void stripWhitespace(Element element) {
    final NodeList childNodeList = element.getChildNodes();
    for (int i = 0; i < childNodeList.getLength(); i++) {
        Node node = childNodeList.item(i);
        switch (node.getNodeType()) {
        case Node.TEXT_NODE:
        case Node.CDATA_SECTION_NODE:
            final String text = ((CharacterData) node).getData();
            if (WhitespacePattern.matcher(text).matches()) {
                element.removeChild(node);
                --i;/* w  w w .  j a  va2s .  com*/
            }
            break;
        case Node.ELEMENT_NODE:
            stripWhitespace((Element) node);
            break;
        }
    }
}

From source file:Main.java

public static void removeNodes(Element parent, NodeList elements) {
    // Copy elements in case of NodeList is a live implementation
    // that would shrink while deleting elments
    List<Node> nodesToRemove = new ArrayList<Node>();

    for (int i = 0; i < elements.getLength(); i++) {
        Node item = elements.item(i);

        if (item.getParentNode() == parent) {
            nodesToRemove.add(item);//from  w w w . j a  va  2  s  .c  om
        }
    }

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

From source file:com.sitewhere.configuration.ConfigurationMigrationSupport.java

/**
 * Moves event processing elements from previous locations into new element.
 * /*from   w ww.  ja  v a2 s.  c  om*/
 * @param config
 * @param dcomm
 * @param eproc
 * @param document
 * @throws SiteWhereException
 */
protected static void moveEventProcessingElements(Element config, Element dcomm, Element eproc,
        Document document) throws SiteWhereException {
    Element iproc = DomUtils.getChildElementByTagName(dcomm, "inbound-processing-strategy");
    if (iproc != null) {
        dcomm.removeChild(iproc);
        eproc.appendChild(iproc);
    }
    Element ichain = DomUtils.getChildElementByTagName(config, "inbound-processing-chain");
    if (ichain != null) {
        config.removeChild(ichain);
        eproc.appendChild(ichain);
    }
    Element oproc = DomUtils.getChildElementByTagName(dcomm, "outbound-processing-strategy");
    if (oproc != null) {
        dcomm.removeChild(oproc);
        eproc.appendChild(oproc);
    }
    Element ochain = DomUtils.getChildElementByTagName(config, "outbound-processing-chain");
    if (ochain != null) {
        config.removeChild(ochain);
        eproc.appendChild(ochain);
    }
    Element reg = DomUtils.getChildElementByTagName(dcomm, "registration");
    if (reg != null) {
        String qname = (reg.getPrefix() != null) ? (reg.getPrefix() + ":" + "device-services")
                : "device-services";
        document.renameNode(reg, reg.getNamespaceURI(), qname);
    }
}

From source file:no.kantega.commons.util.XMLHelper.java

public static void removeChild(Element parent, String name) {
    NodeList children = parent.getChildNodes();
    if (children == null)
        return;/*ww  w .  j  a  v  a  2s.com*/

    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        if (child.getNodeName().equalsIgnoreCase(name)) {
            parent.removeChild(child);
        }
    }
}

From source file:Main.java

/**
 * Removes the child elements inside the given Element
 *
 * @param element the starting element, cannot be null.
 * @param elemName the name of the child element to look for, cannot be
 * null.//from  w  w  w. j av a2  s . c o m
 * @return the removed child element inside element, or
 * <code>null</code> if the child element is not found.
 */
public static Element removeChildElement(Element element, String elemName) {
    NodeList list = element.getChildNodes();
    Element cur = element;
    int len = list.getLength();
    for (int i = 0; i < len; i++) {
        Node n = list.item(i);

        if (n != null) {
            if (n.getNodeType() == Node.ELEMENT_NODE) {
                if (elemName.equals(n.getNodeName())) {
                    cur = (Element) element.removeChild(n);
                }
            }
        }
    }
    return cur;
}

From source file:Main.java

public static Element removeElementContentWhitespace(Element root) {
    boolean foundElt = false;
    for (Node n1 = root.getFirstChild(); n1 != null; n1 = n1.getNextSibling()) {
        if (n1.getNodeType() != Node.ELEMENT_NODE)
            continue;
        foundElt = true;//from  w  ww. j a  v a  2  s  . c o  m
        removeElementContentWhitespace(Element.class.cast(n1));
    }
    if (foundElt) {
        Node n1 = root.getFirstChild();
        while (n1 != null) {
            Node n2 = n1.getNextSibling();
            if (n1.getNodeType() == Node.TEXT_NODE && isEmptyText(Text.class.cast(n1))) {
                root.removeChild(n1);
            }
            n1 = n2;
        }
    }
    return root;
}