Example usage for org.w3c.dom NodeList item

Introduction

In this page you can find the example usage for org.w3c.dom NodeList item.

Prototype

public Node item(int index);

Source Link

Document

Returns the indexth item in the collection.

Usage

From source file:Main.java

public static Element getChildElement(Element elem, String name) {
    NodeList nodes = elem.getChildNodes();
    for (int i = 0; i < nodes.getLength(); i++) {
        Node node = nodes.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE && node.getNodeName().equals(name)) {
            return (Element) node;
        }/*from   ww  w.  j a  v  a  2  s.co  m*/
    }
    return null;
}

From source file:Main.java

public static Node getChildNode(String name, Node node) {
    if (node == null) {
        return null;
    }//from   ww  w  . j a  v  a  2  s . c  om
    NodeList list = node.getChildNodes();
    for (int i = 0; i < list.getLength(); i++) {
        Node no = list.item(i);
        if (no.getNodeName().equalsIgnoreCase(name)) {
            return no;
        }
    }
    return null;
}

From source file:Main.java

public static final Element getElementByTagName(Element parent, String name) throws IOException {
    final NodeList list = parent.getElementsByTagName(name);
    if (list.getLength() == 1) {
        return (Element) list.item(0);
    } else {//from w w  w. j  a  v  a 2s.  co m
        throw new IOException(String.format("Expected one child element named \"%s\"", name));
    }
}

From source file:Main.java

/**
 * Find node by node while ignoring the case.
 * /*  w w  w.j  a  v  a2s . c  om*/
 * @param tagName     node tag (case-insensitive).
 * @param nodes       a list of nodes to look through.
 * @return a node name if the node is found, or null otherwise.
 */
public static Node getNode(String tagName, NodeList nodes) {
    for (int x = 0; x < nodes.getLength(); x++) {
        Node node = nodes.item(x);
        if (node.getNodeName().equalsIgnoreCase(tagName)) {
            return node;
        }
    }

    return null;
}

From source file:Main.java

public static void printNodeList(NodeList list) {
    for (int i = 0; i < list.getLength(); i++) {
        printNode(list.item(i), "");
        System.out.println("############################");
    }/*  w  w w.java  2s. c o  m*/
}

From source file:Main.java

public static Element getElement(Element parentNode, String nodeName) {
    if (parentNode == null) {
        return null;
    }/*from  w  ww .j av a 2  s  .  c  o m*/
    NodeList nl = parentNode.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        if (nl.item(i).getNodeType() == Node.ELEMENT_NODE) {
            if (nl.item(i).getNodeName().equals(nodeName)) {
                return (Element) nl.item(i);
            }
        }
    }
    return null;
}

From source file:Main.java

public static String getValueByNodeName(Node parentNode, String nodeName) {
    NodeList nodeList = parentNode.getChildNodes();
    for (int i = 0; i < nodeList.getLength(); i++) {
        if (nodeList.item(i).getNodeName().equalsIgnoreCase(nodeName)) {
            return nodeList.item(i).getTextContent();
        }/*w  ww . j ava2s.  co  m*/
    }
    return null;
}

From source file:Main.java

public static Element findElement(Element parent, String uri, String localName) {
    NodeList nl = parent.getElementsByTagNameNS(uri, localName);
    if (nl.getLength() > 0) {
        return (Element) nl.item(0);
    } else {//  ww  w  . j a  v  a 2s . c  o m
        return null;
    }
}

From source file:Main.java

/**
 * Set the value of the first tag found with the given name in the given document<br/>. If the tag with the
 * requested name doesn't have a child as textnode with the tagValue is created.
 *
 * @param doc/*w ww. j  a va 2 s  .c  o  m*/
 * @param tagName
 * @param tagValue
 */
public static void setTagValue(Document doc, String tagName, String tagValue) {
    NodeList tagList = doc.getElementsByTagName(tagName);
    if (tagList.getLength() > 0) {
        if (tagList.item(0).getFirstChild() != null) {
            tagList.item(0).getFirstChild().setNodeValue(tagValue);
        } else {
            tagList.item(0).appendChild(doc.createTextNode(tagValue));
        }
    }
}

From source file:Main.java

public static void removeElement(Element parent, String tagName) {
    logger.debug("remove " + parent.getNodeName() + "'s children by tagName " + tagName + " begin...");
    NodeList nl = parent.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node nd = nl.item(i);
        if (nd.getNodeName().equals(tagName)) {
            parent.removeChild(nd);//from w  w w  .j a  v a  2s  .com
            logger.debug("remove child '" + nd + "' success.");
        }
    }
    logger.debug("remove " + parent.getNodeName() + "'s children by tagName " + tagName + " end.");
}