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

/**
 * @param colorNode//from   w  w  w .j a  v  a  2  s .  co  m
 * @return the alpha value
 */
public static String toAlphaValue(Node colorNode) {
    String value = "1";

    if (colorNode == null || colorNode.getFirstChild() == null) {
        return value;
    }

    try {// FIXME no good to grab 1st child than node val
        String nodeVal = colorNode.getFirstChild().getNodeValue();

        value = String.valueOf(Double.parseDouble(nodeVal) / 255d);
    } catch (Exception e) {
        e.printStackTrace();
    }
    // don't care about number formating, just trim the string
    if (value.length() > 6) {
        value = value.substring(0, 5);
    }
    return value;
}

From source file:Main.java

static StringBuffer textContent(Node node, StringBuffer s) {
    if (node == null)
        return s;
    for (Node c = node.getFirstChild(); c != null; c = c.getNextSibling()) {
        if (c.getNodeType() == Node.CDATA_SECTION_NODE) {
            s.append(((CDATASection) c).getNodeValue());
        } else if (c.getNodeType() == Node.TEXT_NODE) {
            s.append(((Text) c).getNodeValue());
        } else {//from   w ww.j a  v  a  2 s .  c o  m
            textContent(c, s);
        }
    }
    return s;
}

From source file:Main.java

public static List<Element> getChildElemsListByName(final String name, final Node parent) {
    ArrayList<Element> v = new ArrayList<Element>();
    Element elem = null;//from  w ww. j  av  a 2 s .co m
    for (Node childNode = parent.getFirstChild(); childNode != null; childNode = childNode.getNextSibling()) {
        if (childNode.getNodeType() == Node.ELEMENT_NODE) {
            if (childNode.getNodeName() == name) {
                elem = (Element) childNode;
                v.add(elem);
            }
        }
    }
    return v;
}

From source file:Main.java

/**
 * Returns the First child element or null if none found
 *
 * @param node//from   ww w .  j a  va  2s.c  o  m
 *            The node. May be null.
 * @return the First child element or null if none found
 */
public static Element getFirstChildElement(Node node) {
    if (node == null) {
        return null;
    }
    Node child = node.getFirstChild();
    if (child instanceof Element) {
        return (Element) child;
    } else {
        return getNextElement(child);
    }
}

From source file:Utils.java

public static String getTextNodeByNumber(Node parent, int number) {
    String text = null;/* w  w  w .j a v a 2  s .com*/
    int count = 1;

    if (parent != null) {
        for (Node child = parent.getFirstChild(); child != null; child = child.getNextSibling()) {

            if ((child.getNodeType() == Node.TEXT_NODE) && (count++ == number)) {
                text = child.getNodeValue();
                return text.trim();
            }
        }
    }
    return text;
}

From source file:Main.java

/**
 * Finds and returns the first child node with the given name and
 * attribute name, value pair.//from ww  w . j  a  v a2 s .  c  o m
 */
public static Element getFirstChildElement(Node parent, String elemName, String attrName, String attrValue) {

    // search for node
    Node child = parent.getFirstChild();
    while (child != null) {
        if (child.getNodeType() == Node.ELEMENT_NODE) {
            Element element = (Element) child;
            if (element.getNodeName().equals(elemName) && element.getAttribute(attrName).equals(attrValue)) {
                return element;
            }
        }
        child = child.getNextSibling();
    }

    // not found
    return null;

}

From source file:Main.java

/**
 * @param element//from w  ww.  ja  v a2  s . co  m
 * @return all child elements of the specified node.
 */
public static List<Element> getChildElements(Node element) {
    List<Element> childElems = new ArrayList<Element>();

    for (Node node = element.getFirstChild(); node != null; node = node.getNextSibling()) {
        if (node instanceof Element) {
            childElems.add((Element) node);
        }
    }

    return childElems;
}

From source file:Main.java

static public Element findFirstChildElement(Node parent, String name) {
    if (parent == null)
        return null;
    return findChildElement(parent.getFirstChild(), null, name);
}

From source file:Main.java

public static Node getChild(Node parent, String name) {
    if (parent == null) {
        return null;
    }/* w  w  w .j  av a  2  s .c  o m*/
    Node first = parent.getFirstChild();
    if (first == null) {
        return null;
    }

    for (Node node = first; node != null; node = node.getNextSibling()) {
        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

/**
 * Returns a list of all child nodes/*from  ww  w  . j  a  va  2  s  .c o m*/
 * @param node
 * @return
 */
public static ArrayList<Node> getAllChildren(Node node) {
    ArrayList<Node> list = new ArrayList<Node>();
    if (node == null)
        return list;

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

    return list;
}