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

/**
   Return a list of all the children of a given node
 *//*  w  w w  . j  a  v  a2  s  .c om*/
static public Vector<Node> findAllChildren(Node node) {
    if (node == null)
        return null;

    Vector<Node> found_children = new Vector<Node>();
    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        if (child.getNodeType() == Node.ELEMENT_NODE)
            found_children.add(child);
    }
    return found_children;
}

---

From source file:Main.java

public static String getTextContent(Node node, boolean trim) {
    if (node == null) {
        return "";
    }//  www  .jav a  2  s. c  o  m

    String textContent = "";
    NodeList childNodes = node.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node childNode = childNodes.item(i);
        if (childNode.getNodeType() == Node.TEXT_NODE) {
            textContent += childNode.getNodeValue().trim();
        }
    }

    textContent = textContent.replace("\r", "");
    if (textContent.startsWith("\n")) {
        textContent = textContent.substring(1);
    }

    if (trim) {
        textContent = textContent.trim();
    }

    return textContent;
}

---

From source file:Main.java

/**
 * Get the index'th child node of parent that implements/subclasses the
 * given type./*w  ww . j  av a 2 s . com*/
 * 
 * @param index
 *            Child node index
 * @param parent
 *            Parent to search
 * @param nodeType
 *            Type of child to search for
 * @return index'th child of parent that conforms to the given nodeType
 */
public static <N extends Node> N getNthChildImplementing(int index, Node parent, Class<N> nodeType) {
    if (parent == null) {
        return null;
    }
    NodeList children = parent.getChildNodes();
    if (children == null) {
        return null;
    }
    int count = 0;
    for (int i = 0; i < children.getLength(); i++) {
        Node node = children.item(i);
        if (nodeType.isAssignableFrom(node.getClass())) {
            if (count++ == index) {
                @SuppressWarnings("unchecked")
                N n = (N) node;
                return n;
            }
        }
    }
    return null;
}

---

From source file:Main.java

public static Element getElement(Document document, String[] path, String value, String translate,
        String module) {/*from   ww  w  .j a v  a  2 s . c  om*/
    Node node = document;
    NodeList list;
    for (int i = 0; i < path.length; ++i) {
        list = node.getChildNodes();
        boolean found = false;
        for (int j = 0; j < list.getLength(); ++j) {
            Node testNode = list.item(j);
            if (testNode.getNodeName().equals(path[i])) {
                found = true;
                node = testNode;
                break;
            }
        }
        if (found == false) {
            Element element = document.createElement(path[i]);
            node.appendChild(element);
            node = element;
        }
    }
    if (value != null) {
        Text text = document.createTextNode(value);
        list = node.getChildNodes();
        boolean found = false;
        for (int j = 0; j < list.getLength(); ++j) {
            Node testNode = list.item(j);
            if (testNode instanceof Text) {
                node.replaceChild(text, testNode);
                found = true;
                break;
            }
        }
        if (!found)
            node.appendChild(text);
    }
    if (node instanceof Element) {
        Element element = (Element) node;
        if (translate != null && element.getAttribute("translate").equals("")) {
            element.setAttribute("translate", translate);
        }
        if (module != null && element.getAttribute("module").equals("")) {
            element.setAttribute("module", module);
        }
    }
    return (Element) node;
}

---

From source file:net.mumie.coursecreator.xml.GraphXMLizer.java

public static void recodeUmlauts(Node node) {
    NodeList nl = node.getChildNodes();

    if (node instanceof Text) {
        throw new IllegalArgumentException("Whoops! using the non-Text variant for a Text node!");
    } // end of if ()

    // If 'nl' is empty, the body of the following for loop (i.e. the
    // recursion) will simply be skipped. in that case we return with
    // 'node' unchanged. 
    for (int i = 0; i < nl.getLength(); i++) {
        Node curr = nl.item(i);//from   w  w w . j ava  2s.  co  m
        if (curr.getNodeType() == Node.TEXT_NODE) {
            recodeUmlauts((Text) curr);
        } // end of if (curr.getNodeType() == Node.TEXT_NODE)
        else {
            recodeUmlauts(curr);
        } // end of if (curr.getNodeType() == Node.TEXT_NODE) else

    } // end of for (int i = 0; i < nl.getLength() ; i++)
}

---

From source file:Main.java

public static Node[] getChildNodes(final Node node, final String attributeName, final String value) {
    final ArrayList nodeList = new ArrayList();
    final NodeList childs = node.getChildNodes();
    String readValue = null;//  www.j ava 2  s . c o  m
    for (int i = 0; i < childs.getLength(); i++) {
        readValue = getAttribute(childs.item(i), attributeName);
        if (value.equals(readValue)) {
            nodeList.add(childs.item(i));
        }
    } //next child node
    final Node[] result = new Node[nodeList.size()];
    nodeList.toArray(result);
    return result;
}

---

From source file:Main.java

/**
 * Searches parent node for matching child nodes, then collects and returns
 * the first match node's value. Useful when caller knows that there is only
 * one child node.//from w  w w. jav  a 2s  .com
 * @param node     The parent node
 * @return The child node's value
 */
public static String getNodeValue(Node node) {
    // sometimes jdom use more than one children nodes to represent text node 
    NodeList children = node.getChildNodes();
    String value = "";
    for (int i = 0; i < children.getLength(); i++) {
        value += children.item(i).getNodeValue();
    }
    return value;
}

---

From source file:Main.java

private static void getByName(Node node, String name, List<Node> result) {
    if (node.getNodeName().equalsIgnoreCase(name)) {
        result.add(node);//from w w  w.  j av a 2  s  .  c o m
    } else {
        NodeList list = node.getChildNodes();
        for (int i = 0, len = list.getLength(); i < len; i++) {
            getByName(list.item(i), name, result);
        }
    }
}

---

From source file:Main.java

public static Object transformXmlNodesIntoMap(Node node) {
    Map<String, Object> nodeMap = new HashMap<String, Object>();

    NodeList subNodes = node.getChildNodes();

    NamedNodeMap nodeAttrs = node.getAttributes();
    for (int nodeAttrIdx = 0; nodeAttrIdx < nodeAttrs.getLength(); nodeAttrIdx++) {
        Node attrNode = nodeAttrs.item(nodeAttrIdx);
        // nodeMap.put("@"+attrNode.getNodeName(),
        // attrNode.getTextContent());
        nodeMap.put("@" + attrNode.getNodeName(), attrNode.getNodeValue());
    }/*w  ww.  ja  v  a2 s  . c om*/

    if (nodeAttrs.getLength() == 0)
        if (subNodes.getLength() == 0)
            return "";
        else if (subNodes.getLength() == 1 && subNodes.item(0).getNodeType() == Node.TEXT_NODE)
            // return subNodes.item(0).getTextContent();
            return subNodes.item(0).getNodeValue();

    for (int subNodeIdx = 0; subNodeIdx < subNodes.getLength(); subNodeIdx++) {
        Node subNode = subNodes.item(subNodeIdx);

        if (subNode.getNodeType() == Node.TEXT_NODE) {
            // nodeMap.put(subNode.getNodeName(), subNode.getTextContent());
            nodeMap.put(subNode.getNodeName(), subNode.getNodeValue());
        } else {
            if (nodeMap.containsKey(subNode.getNodeName())) {
                Object subObject = nodeMap.get(subNode.getNodeName());
                if (subObject instanceof List<?>) {
                    ((List<Object>) subObject).add(transformXmlNodesIntoMap(subNode));
                } else {
                    List<Object> subObjectList = new ArrayList<Object>();
                    subObjectList.add(subObject);
                    subObjectList.add(transformXmlNodesIntoMap(subNode));
                    nodeMap.put(subNode.getNodeName(), subObjectList);
                }
            } else {
                nodeMap.put(subNode.getNodeName(), transformXmlNodesIntoMap(subNode));
            }
        }

    }
    return nodeMap;
}

---

From source file:Main.java

/**
 * //from w w w  .  ja v  a  2 s .  c  om
 * @param currentNode
 * @param tagName
 * @param attributeValue
 * @return
 */
public static String getTextContentByElementNameANDAttributeValue(Node currentNode, String tagName,
        String attributeValue) {
    String result = "";

    NodeList childNodeList = currentNode.getChildNodes();
    for (int i = 0; i < childNodeList.getLength(); i++) {
        Node childNode = childNodeList.item(i);

        switch (childNode.getNodeType()) {
        case Node.DOCUMENT_NODE:
            break;
        case Node.ELEMENT_NODE:
            Element childElement = (Element) childNodeList.item(i);
            // logger.debug("childElement name : " + childElement.getTagName());
            if (childElement != null && childElement.getNodeName().equals(tagName)) {
                NamedNodeMap attributes = childElement.getAttributes();
                for (int j = 0; j < attributes.getLength(); j++) {
                    Node current = attributes.item(j);

                    if (current.getNodeName().equals("type") && current.getNodeValue().equals(attributeValue)) {
                        result = childElement.getTextContent();
                        break;
                    }
                }
            }
        case Node.TEXT_NODE:
            // logger.debug("textElement name : " + currentNode.getNodeValue());
            break;
        case Node.COMMENT_NODE:
            break;
        case Node.PROCESSING_INSTRUCTION_NODE:
            break;
        case Node.ENTITY_REFERENCE_NODE:
            break;
        case Node.DOCUMENT_TYPE_NODE:
            break;
        }
    }

    return result;
}

---

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