Example usage for org.w3c.dom Node getChildNodes

Introduction

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

Prototype

public NodeList getChildNodes();

Source Link

Document

A NodeList that contains all children of this node.

Usage

From source file:Main.java

/**
 * This method parse an Attributes tag, DTD for Attribute is as follows.
 * /*from  w ww.jav  a 2  s .c  o  m*/
 * <pre>
 *  &lt; !-- This DTD defines the DPro Attribute tag.
 *    Unique Declaration name for DOCTYPE tag:
 *    &quot;Directory Pro 5.0 Attributes DTD&quot;
 *  --&gt;
 *  &lt; !ELEMENT Attributes (Attribute)+&gt;
 *  &lt; !ELEMENT Attribute EMPTY&gt;
 *  &lt; !ATTLIST Attribute
 *       name    NMTOKEN         #REQUIRED
 *  &gt;
 * </pre>
 * 
 * @param n
 *            Node
 * @return Set Set of the attribute names
 */
public static Set parseAttributesTag(Node n) {
    // get Attribute node list
    NodeList attributes = n.getChildNodes();
    final int numAttributes = attributes.getLength();

    if (numAttributes == 0) {
        return null;
    }

    Set set = new HashSet();
    for (int l = 0; l < numAttributes; l++) {
        // get next attribute
        Node attr = attributes.item(l);
        if ((attr.getNodeType() != Node.ELEMENT_NODE) && !attr.getNodeName().equals("Attribute")) {
            // need error handling
            continue;
        }

        set.add(((Element) attr).getAttribute("name"));
    }
    return set;
}

From source file:Main.java

public static double getNodeValue(final Node parentNode, final String strNodeName, final double dDefaultValue) {
    final String strValue = getNodeValue(parentNode.getChildNodes(), strNodeName, null);

    if (strValue != null) {
        return Double.parseDouble(strValue);
    }//from www  .j  a  va  2 s.co m

    return dDefaultValue;
}

From source file:Main.java

/**
 * Returns a child node that has the given node name and give attribute name
 * and value.//from   www . java  2  s.co m
 */
public static Node getNamedChildNode(Node parentNode, String childNodeName, String attrName, String attrValue) {
    NodeList children = parentNode.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node node = children.item(i);
        if (childNodeName.equalsIgnoreCase(node.getNodeName())) {
            if (getNodeAttributeValue(node, attrName).equalsIgnoreCase(attrValue))
                return (node);
        }
    }
    return (null);
}

From source file:Main.java

public static Map<String, Object> getPropertiesWithValuesFromXML(Node propNode) {
    Map<String, Object> propertiesWithValues = new HashMap<String, Object>();

    NodeList childList = propNode.getChildNodes();
    for (int i = 0; i < childList.getLength(); i++) {
        Node currentNode = childList.item(i);
        if (currentNode.getNodeType() == Node.ELEMENT_NODE) {
            String nodeName = currentNode.getLocalName();
            String namespace = currentNode.getNamespaceURI();
            // href is a live property which is handled differently
            String fqn = namespace + ":" + nodeName;
            propertiesWithValues.put(fqn, nodeValue(currentNode));

        }/*ww  w . j  a  va2s  . c  o m*/
    }
    return propertiesWithValues;
}

From source file:Main.java

/**
 * This method parse an Attributes tag, DTD for Attribute is as follows.
 * /*from  w  ww .  ja va 2  s  . c  o  m*/
 * <pre>
 *  &lt; !-- This DTD defines the DPro Attribute tag.
 *    Unique Declaration name for DOCTYPE tag:
 *    &quot;Directory Pro 5.0 Attributes DTD&quot;
 *  --&gt;
 *  &lt; !ELEMENT Attributes (Attribute)+&gt;
 *  &lt; !ELEMENT Attribute EMPTY&gt;
 *  &lt; !ATTLIST Attribute
 *       name    NMTOKEN         #REQUIRED
 *  &gt;
 * </pre>
 * 
 * @param n
 *            Node
 * @return Set Set of the attribute names
 */
public static Set parseAttributesTag(Node n) {
    // get Attribute node list
    NodeList attributes = n.getChildNodes();
    final int numAttributes = attributes.getLength();

    if (numAttributes == 0) {
        return null;
    }

    Set set = new HashSet();
    for (int l = 0; l < numAttributes; l++) {
        // get next attribute
        Node attr = attributes.item(l);
        if ((attr.getNodeType() != Node.ELEMENT_NODE) && !attr.getNodeName().equals("Attribute")) {
            // need error handling
            continue;
        }

        String attrName = ((Element) attr).getAttribute("name");
        set.add(attrName);
    }
    return set;
}

From source file:Main.java

public static String getTextContent(Node e) {
    if (e == null || e.getNodeType() != Node.ELEMENT_NODE) {
        return null;
    }/*  w  w w  .  jav  a 2s. co  m*/

    NodeList nodes = e.getChildNodes();
    StringBuilder text = new StringBuilder();

    for (int i = 0; i < nodes.getLength(); i++) {
        Node node = e.getFirstChild();

        if (node != null && node.getNodeType() == Node.TEXT_NODE) {
            String s = node.getNodeValue();
            if (s != null) {
                text.append(s);
            }
        }
    }

    if (text.length() > 0) {
        return text.toString();
    } else {
        return null;
    }
}

From source file:Main.java

/**
 * Returns all direct simple text value subnodes and their values for a dataNode
 *
 * Example XML: <dataNode> <a>1</a> <b>2</b> <c>3</c> </dataNode> Returns: a=1, b=2, c=3.
 *
 * @param dataNode//from  ww  w.  j  a  v  a2 s .  c  o  m
 *            the data node
 * @return the simple values of node
 */
public static Map<String, String> getSimpleValuesOfNode(Node dataNode) {
    Map<String, String> returnMap = new HashMap<String, String>();

    NodeList list = dataNode.getChildNodes();
    for (int i = 0; i < list.getLength(); i++) {
        Node node = list.item(i);
        if (node.getFirstChild() != null && node.getFirstChild().getNodeType() == Node.TEXT_NODE
                && node.getChildNodes().getLength() == 1) {
            returnMap.put(node.getNodeName(), node.getFirstChild().getNodeValue());
        }
    }

    return returnMap;
}

From source file:Main.java

private static void walkNodes(Node nodeIn, HashSet<String> hElements) {
    if (nodeIn == null)
        return;// www .j  a v  a2s.  c  om
    NodeList nodes = nodeIn.getChildNodes();
    for (int i = 0; i < nodes.getLength(); i++) {
        Node n = nodes.item(i);
        if (n.getNodeType() == Node.ELEMENT_NODE) {
            String sNodeName = n.getNodeName();
            if (!hElements.contains(sNodeName))
                hElements.add(sNodeName);
            walkNodes(n, hElements);
        }
    }
}

From source file:Main.java

public static void updateUserMgtXML(File userMgtXML, String jndiConfigNameUserDB) throws Exception {
    Document doc = initializeXML(userMgtXML);
    NodeList configNodeList = doc.getElementsByTagName("Configuration");
    Node configNode = configNodeList.item(0); //get the 0 index, since only one available

    NodeList nodeList = configNode.getChildNodes();
    for (int i = 0; i < nodeList.getLength(); i++) {
        Node node = nodeList.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            if (node.getNodeName().equalsIgnoreCase("Property")) {
                if (node.hasAttributes()) {
                    NamedNodeMap namedNodeMap = node.getAttributes();
                    Node attr = namedNodeMap.getNamedItem("name");
                    if (attr != null && attr.getNodeValue().equalsIgnoreCase("dataSource")) {
                        node.setTextContent(jndiConfigNameUserDB);
                    }/* w  ww.  j  av  a2  s. com*/
                }
            }
        }
    }
    finalizeXML(userMgtXML, doc, 4);
}

From source file:Main.java

public static Element findElementWithAttributes(Node node, String tagName, Collection<String> attrs) {
    Element result = null;/*from  ww w. j  ava 2s.c om*/
    NodeList nodeList = node.getChildNodes();
    if (nodeList == null) {
        return result;
    }
    for (int i = 0; i < nodeList.getLength(); ++i) {
        Element element = checkIfElement(nodeList.item(i), tagName);
        if (element != null) {
            boolean match = true;
            for (String attrName : attrs) {
                if (!element.hasAttribute(attrName)) {
                    match = false;
                    break;
                }
            }
            if (match) {
                result = element;
                break;
            }
        }
    }
    return result;
}