Example usage for org.w3c.dom Node getFirstChild

Introduction

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

Prototype

public Node getFirstChild();

Source Link

Document

The first child of this node.

Usage

From source file:Main.java

public static Object toObject(Node node) {
    if (node.getNodeType() == Node.DOCUMENT_NODE) {
        node = node.getFirstChild();
        Map<String, Object> map = new LinkedHashMap<>(1);
        map.put(node.getNodeName(), toObject(node));
        return map;
    }/*from w  w w .  ja  v  a 2 s  . c o m*/
    Object value = getElementValue(node);
    if (node.hasAttributes()) {
        Map<String, Object> wrapper = new LinkedHashMap<>(2);
        wrapper.put("_", value);
        wrapper.put("@", getAttributes(node));
        return wrapper;
    } else {
        return value;
    }
}

From source file:Main.java

/**
 * Returns a list of children with the specified name
 * @param name//from ww  w  .ja  v a  2 s .c om
 * @return
 */
public static ArrayList<Node> getChildrenByTagName(Node node, String name) {
    ArrayList<Node> list = new ArrayList<Node>();
    if (node == null)
        return list;

    for (Node child = node.getFirstChild(); child != null; child = child.getNextSibling()) {
        if (child.getNodeName().equals(name))
            list.add(child);
    }

    return list;
}

From source file:Utils.java

/**
 * Get the first element child.// w w  w  .j  a  v  a 2 s.co m
 * 
 * @param parent lookup direct childs
 * @param name name of the element. If null return the first element.
 */
public static Node getChild(Node parent, String name) {
    if (parent == null) {
        return null;
    }

    Node first = parent.getFirstChild();
    if (first == null) {
        return null;
    }

    for (Node node = first; node != null; node = node.getNextSibling()) {
        // System.out.println("getNode: " + name + " " +
        // node.getNodeName());
        if (node.getNodeType() != Node.ELEMENT_NODE) {
            continue;
        }
        if (name != null && name.equals(node.getNodeName())) {
            return node;
        }
        if (name == null) {
            return node;
        }
    }
    return null;
}

From source file:Main.java

public static String getText(Node elem) {
    if (elem.getNodeType() == Element.TEXT_NODE)
        return elem.getTextContent();
    else if (elem.hasChildNodes())
        return elem.getFirstChild().getTextContent();
    return "";
}

From source file:Main.java

static public Element findFirstChildElementNS(Node parent, String namespaceuri, String qname) {
    if (parent == null)
        return null;
    return findChildElementNS(parent.getFirstChild(), null, namespaceuri, qname);
}

From source file:Main.java

private static int findNodeIndex(Node node) {
    String nm = node.getLocalName();
    String ns = node.getNamespaceURI();
    short nt = node.getNodeType();

    Node parentNode = node.getParentNode();
    if (parentNode.getNodeType() != Node.ELEMENT_NODE)
        return 1;

    Node child = parentNode.getFirstChild();

    int ix = 0;//from  w  w  w.ja v  a 2 s  . co m
    while (child != null) {
        if (child == node)
            return ix + 1;

        if (child.getNodeType() == nt && nm.equals(child.getLocalName())
                && ((ns == null && child.getNamespaceURI() == null)
                        || (ns != null && ns.equals(child.getNamespaceURI()))))
            ix++;

        child = child.getNextSibling();
    }

    throw new RuntimeException("Child node not found in parent!?");
}

From source file:Main.java

/**
 * Get sub tag content.//from  w  ww  . j  ava 2s . c o m
 * @param node to process
 * @param tagName the tag name
 * @return the child content
 */
public static String getSubTagValue(Node node, String tagName) {
    if (node == null) {
        return null;
    }
    NodeList nodeList = node.getChildNodes();
    for (int i = 0; i < nodeList.getLength(); i++) {
        Node n = nodeList.item(i);
        if (n instanceof Element) {
            if (((Element) n).getTagName().equals(tagName)) {
                Node nn = n.getFirstChild();
                if (nn instanceof Text) {
                    return ((Text) nn).getData();
                }
            }
        }
    }
    return null;
}

From source file:Main.java

public static List childNodeList(Node node, String childNodeName) {
    if (node == null)
        return null;

    List children = new LinkedList();
    Node childNode = node.getFirstChild();
    if (childNode != null) {
        do {/*from w  w  w  . ja  va 2s  .co m*/
            if (childNode.getNodeType() == Node.ELEMENT_NODE
                    && (childNodeName == null || childNodeName.equals(childNode.getNodeName()))) {
                children.add(childNode);
            }
        } while ((childNode = childNode.getNextSibling()) != null);
    }

    return children;
}

From source file:Main.java

/**
 * @param colorNode/*  w  ww  . j av a2  s. c  o  m*/
 * @return the family name
 */
public static String toFontFamily(Node colorNode) {
    String value = "Dialog";

    try {// FIXME no good to grab 1st child than node val
        String nodeVal = colorNode.getFirstChild().getNodeValue();
        String[] components = nodeVal.split(", ");
        value = components[0];
    } catch (Exception e) {
        e.printStackTrace();
    }
    return value;
}

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.//www .ja v a 2 s.c  o  m
 *
 * @param node     The parent node
 * @param nodeName The child node element name
 * @return The child node's value
 */
public static String getNodeValue(Node node, String nodeName) {
    Node n = getNode(node, nodeName);
    if (n == null) {
        return null;
    }
    Node ch = n.getFirstChild();
    if (ch != null) {
        return ch.getNodeValue();
    }
    return null;

}