Example usage for org.w3c.dom Node getNodeValue

Introduction

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

Prototype

public String getNodeValue() throws DOMException;

Source Link

Document

The value of this node, depending on its type; see the table above.

Usage

From source file:Main.java

/**
 * Traverses through a DOM tree starting at the given element and removes all those text-nodes from it that only
 * contain white spaces./*from w w  w . j  a v a2  s. c  o m*/
 * 
 * @param parent
 *          the parent Element
 */
public static void removeWhitespaceTextNodes(Element parent) {
    final NodeList nl = parent.getChildNodes();

    for (int i = 0; i < nl.getLength(); i++) {
        final Node child = nl.item(i);

        if (child.getNodeType() == Node.TEXT_NODE) {
            if (child.getNodeValue().trim().length() == 0) {
                parent.removeChild(child);
                i--; // since the child is removed counting up must be made undone
            }
        } else if (child.getNodeType() == Node.ELEMENT_NODE && child.getChildNodes().getLength() > 0) {
            removeWhitespaceTextNodes((Element) child);
        }
    }
}

From source file:Main.java

/**
 * Extracts an attribute from a node.//from  w w  w .j av a 2 s .  co m
 *
 * @param node
 * @param attr
 * @param def
 * @return The value of the attribute, or def
 */
public static String getAttribute(Node node, String attr, String def) {
    NamedNodeMap attrs = node.getAttributes();
    Node val = attrs.getNamedItem(attr);
    if (val != null) {
        return val.getNodeValue();
    }
    return def;
}

From source file:Main.java

/**
 * Get all attributes as a Map from a node
 *
 * @param node the node taht contains the attributes to read
 * @return the values or a empty map/* w w  w.  j  a  va2 s . co  m*/
 */
public static HashMap<String, String> getAttributes(Node node) {
    final HashMap<String, String> result = new HashMap<>();

    final NamedNodeMap atts = node.getAttributes();
    for (int i = 0; i < atts.getLength(); i++) {
        final Node att = atts.item(i);
        result.put(att.getNodeName(), att.getNodeValue());
    }
    return result;
}

From source file:Main.java

public static String getElementValue(final Node sourceNode) {
    String result = null;//from www .  ja v a2 s  .co  m
    if (sourceNode == null) {
        return result;
    }

    if (sourceNode.getNodeType() == Node.ELEMENT_NODE) {
        Node firstChild = sourceNode.getFirstChild();

        if (firstChild != null) {
            result = firstChild.getNodeValue();
        }
    }

    return result;
}

From source file:Main.java

public static String setInnerText(Element node, String value) {
    StringBuilder sb = new StringBuilder();
    while (node.hasChildNodes()) {
        Node tn = node.getFirstChild();
        if (tn.getNodeType() == Node.TEXT_NODE) {
            sb.append(tn.getNodeValue());
        }/*from   w ww .  ja  v a  2  s.c o  m*/
        node.removeChild(tn);
    }
    node.appendChild(node.getOwnerDocument().createTextNode(value));
    return sb.toString();
}

From source file:Main.java

public static String getAttributeValue(Node node, String attribute) {
    NamedNodeMap attributes = node.getAttributes();
    if (attributes != null) {
        Node nameAttr = attributes.getNamedItem(attribute);
        if (nameAttr != null) {
            return nameAttr.getNodeValue();
        }/*from  w w w  .  j  a  v  a  2 s  .  com*/
    }
    return null;
}

From source file:Main.java

static public String getNodeValue(Element parent, String nodeName) {
    NodeList nodes = parent.getElementsByTagName(nodeName);
    if (nodes.getLength() == 0)
        throw new IllegalArgumentException("Cannot find node " + nodeName);
    Node textNode = nodes.item(0).getFirstChild();
    if (textNode != null)
        return (textNode.getNodeValue());
    else//from  ww w .  ja v  a  2s . com
        return ("");
}

From source file:Main.java

public static String getNodeAttributeValue(Node node, String attrName) {
    NamedNodeMap attrs = node.getAttributes();
    if (attrs == null)
        return (null);
    Node value = attrs.getNamedItem(attrName);
    if (value == null)
        return (null);
    return (value.getNodeValue());
}

From source file:Main.java

public static String getAttributeFromNode(Node node, String attributeName) {
    if (node == null || attributeName == null)
        return null;
    NamedNodeMap attributes = node.getAttributes();
    Node attribute = attributes.getNamedItem(attributeName);
    String value = null;/*from   w  w w .j  av a 2 s . co m*/
    if (attribute != null)
        value = attribute.getNodeValue();
    return value;
}

From source file:Main.java

public static String getBody(Element element) {
    NodeList nodes = element.getChildNodes();
    if (nodes == null || nodes.getLength() == 0) {
        return null;
    }// ww w  .j a v a2 s . co m

    Node firstNode = nodes.item(0);
    if (firstNode == null) {
        return null;
    }

    return firstNode.getNodeValue();
}