Example usage for org.w3c.dom Node getNextSibling

Introduction

In this page you can find the example usage for org.w3c.dom Node getNextSibling.

Prototype

public Node getNextSibling();

Source Link

Document

The node immediately following this node.

Usage

From source file:Main.java

/**
 * This methods extracts the text for a named element under the
 * <code>root</code>. For the moment it uses only the first text node,
 * and only the first element of that type.
 *
 * @param root    The element is contained within this root.
 * @param tagname The elemet name to search for
 * @return The text under the tag, or <code>null</code> if it is not found
 *         or an error occured./*w ww.ja  va  2s  .  c om*/
 */
public static String getElementText(Element root, String tagname) {
    NodeList nameList = root.getElementsByTagName(tagname);

    if (nameList.getLength() > 0) {
        Node text = nameList.item(0).getFirstChild();

        // Find the first text node
        while ((text != null) && !(text instanceof Text)) {
            text = text.getNextSibling();
        }

        if (text == null) {
            return null;
        } else {
            try {
                return text.getNodeValue();
            } catch (DOMException de) {
                return null;
            }
        }
    } else {
        return null;
    }
}

From source file:Main.java

public static Element getFirstChildElement(Element parentElem) {
    if (parentElem == null) {
        return null;
    }//  w  w  w  .  ja  va 2s . co  m
    Node child = parentElem.getFirstChild();
    while (child != null) {
        if (child.getNodeType() == Node.ELEMENT_NODE) {
            return (Element) child;
        }
        child = child.getNextSibling();
    }
    return null;
}

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 .j ava  2  s . com
        }
        childNode = nextChild;
    }
}

From source file:Main.java

/**
 * Gets a TEXT node value from the specified Element node.
 *
 * @param element a ELEMENT Node has TEXT node 
 *//*w w w . ja va2  s.c om*/
/* TODO: Child? */
public static String getTextData(Node element) {
    if (element.getNodeType() != Node.ELEMENT_NODE) {
        throw new IllegalArgumentException(element + " is not ELEMENT node");
    }
    Node description = element.getNextSibling();
    if (description.getNodeType() != Node.TEXT_NODE) {
        throw new IllegalArgumentException(description + " is not TEXT node");
    }
    return description.getNodeValue();
}

From source file:Main.java

/** Finds and returns the first child element node. */
public static Element getFirstChildElement(Node parent) {

    // search for node
    Node child = parent.getFirstChild();
    while (child != null) {
        if (child.getNodeType() == Node.ELEMENT_NODE) {
            return (Element) child;
        }//www  . ja v a 2  s.co  m
        child = child.getNextSibling();
    }

    // not found
    return null;

}

From source file:Main.java

/** Look for Element node of given name.
 *
 *  <p>Checks the node itself and its siblings for an {@link Element}.
 *  Does not descent down the 'child' links.
 *
 *  @param node Node where to start./* w w w. j a v  a2s. co  m*/
 *  @param name Name of the node to look for.
 *  @return Returns node, the next matching sibling, or <code>null</code>.
 */
private static final Element findElementByName(Node node, final String name) {
    while (node != null) {
        if (node.getNodeType() == Node.ELEMENT_NODE && node.getNodeName().equals(name))
            return (Element) node;
        node = node.getNextSibling();
    }
    return null;
}

From source file:Main.java

private static void extractText(Node n, StringBuffer buf) {
    if (n.getNodeType() == Node.TEXT_NODE) {
        buf.append(n.getNodeValue());//from w  ww .j ava 2s . c o m
    }

    for (n = n.getFirstChild(); n != null; n = n.getNextSibling()) {
        extractText(n, buf);
    }
}

From source file:Main.java

/**
 * Remove any whitespace text nodes from the DOM. Calling this before saving
 * a formatted document will fix the formatting indentation of elements
 * loaded from a different document.//w w  w.  j a v  a  2 s . co m
 * 
 * @param node
 *            Node to remove whitespace nodes from
 * @param deep
 *            Should this method recurse into the node's children?
 */
public static void removeWhitespace(Node node, boolean deep) {
    NodeList children = node.getChildNodes();
    int length = children.getLength();
    for (int i = 0; i < length; i++) {
        Node child = children.item(i);
        if (child.getNodeType() == Node.TEXT_NODE && length > 1) {
            Node previous = child.getPreviousSibling();
            Node next = child.getNextSibling();
            if ((previous == null || previous.getNodeType() == Node.ELEMENT_NODE
                    || previous.getNodeType() == Node.COMMENT_NODE)
                    && (next == null || next.getNodeType() == Node.ELEMENT_NODE
                            || next.getNodeType() == Node.COMMENT_NODE)) {
                String content = child.getTextContent();
                if (content.matches("\\s*")) //$NON-NLS-1$
                {
                    node.removeChild(child);
                    i--;
                    length--;
                }
            }
        } else if (deep && child.getNodeType() == Node.ELEMENT_NODE) {
            removeWhitespace(child, deep);
        }
    }
}

From source file:Main.java

public static Node findSubElement(Node parent, String localName) {
    if (parent == null) {
        return null;
    }// ww w .  j a va  2 s  .c o m
    Node child = parent.getFirstChild();
    while (child != null) {
        if ((child.getNodeType() == Node.ELEMENT_NODE) && (child.getLocalName().equals(localName))) {
            return child;
        }
        child = child.getNextSibling();
    }
    return null;
}

From source file:Main.java

/**
 * Search a child node by name //from   w w  w .j  a v a2 s  .  c o  m
 * 
 * @param parent   the parent node
 * @param nodeName   the node name for searching
 * @return         Node with the specified name
 * @see            Node
 * @throws Exception
 */
public static Node findChildNodeByName(Node parent, String nodeName) throws Exception {

    Node child = null;
    Node node = parent.getFirstChild();
    while (node != null) {
        if (node.getNodeName().equals(nodeName)) {
            child = node;
            break;
        }
        node = node.getNextSibling();
    }

    return child;
}