Example usage for org.w3c.dom Node removeChild

Introduction

In this page you can find the example usage for org.w3c.dom Node 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:DOMUtil.java

/**
 * Remove all text nodes below this node
 *
 * @param node The starting node for the search.
 *//*from   ww  w  .  java2  s  . co  m*/
public static void removeAllTextNodes(Node node) {
    if (node == null)
        return;
    if (!node.hasChildNodes())
        return;
    NodeList nl = node.getChildNodes();
    for (int i = nl.getLength() - 1; i >= 0; i--) {
        Node n = (Node) nl.item(i);
        if (n instanceof Text)
            node.removeChild(n);
        else
            removeAllTextNodes(n);
    }
}

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From source file:Main.java

private static void removeEmptyTextNodes(Node parentNode) {
    Node childNode = parentNode.getFirstChild();
    while (childNode != null) {
        // grab the "nextSibling" before the child node is removed
        Node nextChild = childNode.getNextSibling();

        short nodeType = childNode.getNodeType();
        if (nodeType == Node.TEXT_NODE) {
            boolean containsOnlyWhitespace = childNode.getNodeValue().trim().isEmpty();
            if (containsOnlyWhitespace) {
                parentNode.removeChild(childNode);
            }/*from w  w  w  .jav a 2s .  c  om*/
        }
        childNode = nextChild;
    }
}

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From source file:com.wavemaker.tools.pws.install.PwsInstall.java

public static Document insertImport(Document doc, String resource) {
    List<Node> targetList = new ArrayList<Node>();

    // First, delete old lines if any.

    NodeList list = doc.getElementsByTagName("import");
    Node node = null;/*from   w w w.jav a 2  s.com*/
    for (int i = 0; i < list.getLength(); i++) {
        node = list.item(i);
        NamedNodeMap attributes = node.getAttributes();
        for (int j = 0; j < attributes.getLength(); j++) {
            Node attr = attributes.item(j);
            if (attr.getNodeName().equals("resource") && attr.getNodeValue().equals(resource)) {
                targetList.add(node);
                break;
            }
        }
    }

    NodeList beans_list = doc.getElementsByTagName("beans");
    Node beans_node = beans_list.item(0);

    if (targetList.size() > 0) {
        for (Node target : targetList) {
            beans_node.removeChild(target);
        }
    }

    // Now, add the new line

    NodeList list1 = beans_node.getChildNodes();
    Node bean_node = null;
    for (int i = 0; i < list1.getLength(); i++) {
        Node node1 = list1.item(i);
        if (node1.getNodeName().equals("bean")) {
            bean_node = node1;
            break;
        }
    }

    Element elem = doc.createElement("import");
    elem.setAttribute("resource", resource);

    try {
        if (bean_node != null) {
            beans_node.insertBefore(elem, bean_node);
        } else {
            beans_node.appendChild(elem);
        }
    } catch (DOMException ex) {
        ex.printStackTrace();
    }

    return doc;
}

---

From source file:Main.java

/**
 * Sets the text value of an Element. if current text of the element is
 * replaced with the new text if text is null any
 * current text value is deleted./*from   www  . j a v  a  2s . c o  m*/
 * 
 * @param elem the Element for which the text value should be set
 * @param text the new text value of the element
 * @return true if the text could be set or false otherwise
 */
static public boolean setElementText(Node elem, Object text) {
    if (elem == null)
        return false; // Fehler
    // Find Text
    Node node = elem.getFirstChild();
    while (node != null) { // Find all Text nodes
        if (node.getNodeType() == Node.TEXT_NODE)
            break; // gefunden
        node = node.getNextSibling();
    }
    if (node != null) { // Set or remove text
        if (text != null)
            node.setNodeValue(text.toString());
        else
            elem.removeChild(node);
    } else if (text != null) { // Add Text
        elem.appendChild(elem.getOwnerDocument().createTextNode(text.toString()));
    }
    return true;
}

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From source file:cz.incad.kramerius.rest.api.k5.client.search.SearchResource.java

public static void filterFieldsInDOM(Element docE) {
    // filter// w ww. j a va2s  .  c o  m
    String[] filters = KConfiguration.getInstance().getAPISolrFilter();
    for (final String name : filters) {
        Element found = findSolrElement(docE, name);
        if (found != null) {
            Node parentNode = found.getParentNode();
            Node removed = parentNode.removeChild(found);
        }
    }
}

---

From source file:Main.java

static public Node removeChild(Node xmlNode, String name, boolean ignoreCase) {
    Node removedChild = null;/*from w ww.j a va 2s. c o  m*/

    String key = name;
    if (ignoreCase)
        key = key.toLowerCase();

    NodeList childNodes = xmlNode.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node child = childNodes.item(i);
        String childName = child.getNodeName();
        if (ignoreCase)
            childName = childName.toLowerCase();

        if (childName.equals(key)) {
            removedChild = child;
            xmlNode.removeChild(child);
            break;
        }
    }
    return removedChild;
}

---

From source file:Main.java

public static void nodeSubDelete(Element root, String table, String queryType) {
    Node find = getTag(root, table);
    Document doc = find.getOwnerDocument();

    NodeList nl = find.getChildNodes();
    int numnodes = nl.getLength();

    System.out.println("length : " + numnodes);

    Node deleteNode = null;/*from www .j a v a2  s  .  co m*/

    for (int i = 0; i < numnodes; i++) {
        Node n = nl.item(i);
        String name = n.getNodeName();

        if (name.equals(queryType)) {
            deleteNode = n;
            System.out.println("Finding Node : " + deleteNode.getNodeName());

            break;
        }
    }

    find.removeChild(deleteNode);

    print(doc);
}

---

From source file:Main.java

public static void cleanText(Node node) {
    try {//from ww w  .ja va2  s.c o m
        NodeList childNodes = node.getChildNodes();
        int noChildren = childNodes.getLength();
        Node n = null;
        short type = 0;
        Vector rem = new Vector();
        for (int i = 0; i < noChildren; i++) {
            n = childNodes.item(i);
            type = n.getNodeType();
            if (type == Node.TEXT_NODE) {
                rem.add(n);
            } else if (type == Node.ELEMENT_NODE) {
                cleanText(n);
            }
        }
        for (int i = 0; i < rem.size(); i++) {
            node.removeChild((Node) rem.get(i));
        }
    } catch (Exception e) {
        //DebugUtil.debug(e);
    }
}

---

From source file:it.cnr.icar.eric.server.common.Utility.java

/**
 * This is an implementation of the JAXP DOM Node.setTextContent
 * method, which does not exist in JDK 1.4. This code was adapted
 * from the Apache Xerces 2.8.0 implementation of this method.
 *///from   w w w. j  ava  2  s.  com
public static void setTextContent(Node node, String textContent) throws DOMException {
    Node child;

    // get rid of any existing children
    while ((child = node.getFirstChild()) != null) {
        node.removeChild(child);
    }

    // create a Text node to hold the given content
    if (textContent != null && textContent.length() != 0) {
        node.appendChild(node.getOwnerDocument().createTextNode(textContent));
    }
}

---

From source file:com.mediaworx.xmlutils.XmlHelper.java

/**
 * Removes all empty or whitespace only text nodes from the given parent node.
 * @param parentNode    the parent node to be cleared of empty or whitespace only text nodes
 *//*from ww  w  .j a va 2s .  com*/
private static void removeEmptyTextNodes(Node parentNode) {
    Node childNode = parentNode.getFirstChild();
    while (childNode != null) {
        // grab the "nextSibling" before the child node is removed
        Node nextChild = childNode.getNextSibling();

        short nodeType = childNode.getNodeType();
        if (nodeType == Node.TEXT_NODE) {
            boolean containsOnlyWhitespace = childNode.getNodeValue().trim().isEmpty();
            if (containsOnlyWhitespace) {
                parentNode.removeChild(childNode);
            }
        }
        childNode = nextChild;
    }
}

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