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:Main.java

public static Node removeChildren(Node parentNode) {
    if (parentNode != null) {
        NodeList list = parentNode.getChildNodes();
        if (list != null) {
            for (int i = 0; i < list.getLength(); i++) {
                Node node = list.item(i);
                if (node != null) {
                    parentNode.removeChild(node);
                }/*from  www  . ja v  a  2 s.com*/
            }
        }
    }
    return parentNode;
}

From source file:Main.java

public static void removeAllChilderenWithoutHeader(Node node, int remainChildCount) {
    NodeList childNodes = node.getChildNodes();
    List<Node> removeNodeList = new ArrayList<Node>();
    for (int i = remainChildCount; i < childNodes.getLength(); i++) {
        removeNodeList.add(childNodes.item(i));
    }/*  www  .  jav  a  2s.  c o m*/

    for (Node childNode : removeNodeList) {
        node.removeChild(childNode);
    }

}

From source file:Main.java

/**
 * Hack...since DOM reads newlines as textnodes we want to strip out those nodes to make it easier to use the tree.
 *//*w ww . j  av  a2  s.  c  o  m*/
public static void stripEmptyTextNodes(Node n) {
    NodeList children = n.getChildNodes();
    int length = children.getLength();
    for (int i = 0; i < length; i++) {
        Node c = children.item(i);
        if (!c.hasChildNodes() && c.getNodeType() == Node.TEXT_NODE
                && c.getTextContent().trim().length() == 0) {
            n.removeChild(c);
            i--;
            length--;
            children = n.getChildNodes();
        } else {
            stripEmptyTextNodes(c);
        }
    }
}

From source file:Main.java

public static void replaceChild(Document doc, Node parentNode, String childName, String childContents) {
    Node node = getChildNode(parentNode, childName);

    // if some one passes in null
    if (childContents == null) {
        // remove existing node
        if (node != null)
            parentNode.removeChild(node);

        return;//from   ww w. j a va2  s  .c  o  m
    }

    // this means there's at least contents pass in,
    if (node == null) {
        // no existing node, so we just add one
        appendChild(doc, parentNode, childName, childContents);
    } else {
        // existing node so we update it instead.
        node.setTextContent(childContents);
    }
}

From source file:Main.java

/**
 * Removes any child elements that match the type
 * @param parent The element whose children will be removed
 * @param type The name of the children elements to remove
 *///  w  ww  .  j a  v a  2 s  .com
public static void removeChildrenOfType(final Node parent, final String type) {
    final NodeList children = parent.getChildNodes();
    for (int childIndex = 0; childIndex < children.getLength(); ++childIndex) {
        final Node child = children.item(childIndex);
        if (child.getNodeName().equals(type)) {
            parent.removeChild(child);
            break;
        }
    }
}

From source file:Main.java

/**
 * removes any immediate child nodes with the given name.
 *///www . j  av a 2  s  .  c om
public static void removeAllChildNodes(Node node, String name) {
    // this must be done as a 2 pass algorithm. 
    // attempt at doing it at single pass fails because the list is 
    // being altered as we read it which leads to errors.
    ArrayList<Node> removeList = getChildNodes(node, name);

    for (Node temp : removeList) {
        node.removeChild(temp);
    }
}

From source file:XMLUtils.java

public static void removeContents(Node parent) {
    Node node = parent.getFirstChild();
    while (node != null) {
        parent.removeChild(node);
        node = node.getNextSibling();/*www  .  java2s.  co  m*/
    }
}

From source file:com.betfair.testing.utils.cougar.assertions.AssertionUtils.java

private static void doDomSorting(Document doc, XPath xpath, String x)
        throws XPathExpressionException, IOException {
    NodeList parentNodes = (NodeList) xpath.evaluate(x, doc, XPathConstants.NODESET);
    for (int i = 0; i < parentNodes.getLength(); i++) {
        Node n = parentNodes.item(i);
        List<Node> allKids = new ArrayList<>(n.getChildNodes().getLength());
        for (int j = n.getChildNodes().getLength() - 1; j >= 0; j--) {
            allKids.add(n.removeChild(n.getFirstChild()));
        }/*from   w  w  w  . jav a2 s.c om*/
        final Map<Node, String> kidsToString = new HashMap<>();

        for (Node k : allKids) {
            kidsToString.put(k, toString(k));
        }
        Collections.sort(allKids, new Comparator<Node>() {
            @Override
            public int compare(Node o1, Node o2) {
                return kidsToString.get(o1).compareTo(kidsToString.get(o2));
            }
        });
        for (Node k : allKids) {
            n.appendChild(k);
        }
    }
}

From source file:Main.java

public static void removeAllSubNodesExceptAttributes(Node n) {
    NodeList childNodes = n.getChildNodes();
    List<Node> childNodesToRemove = new ArrayList<Node>();

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

        if (c.getNodeType() != Node.ATTRIBUTE_NODE) {
            childNodesToRemove.add(c);//from   www  .java2 s. c om
        }
    }

    for (Node c : childNodesToRemove) {
        n.removeChild(c);
    }
}

From source file:Main.java

private static void removeEmptyTextNodes(Node parentNode) {
    Node childNode = parentNode.getFirstChild();
    while (childNode != null) {
        Node nextChild = childNode.getNextSibling();
        short nodeType = childNode.getNodeType();
        if (nodeType == Node.TEXT_NODE) {
            boolean containsOnlyWhitespace = childNode.getNodeValue().trim().isEmpty();
            if (containsOnlyWhitespace) {
                parentNode.removeChild(childNode);
            }//w  ww.java 2 s.  c  om
        }
        childNode = nextChild;
    }
}