Attempts to list all of the nodes of type Element from the list with the provided tag name - Java XML

Java examples for XML:XML Node Operation

  1. HOME
  2. Java
  3. XML
  4. XML Node Operation

Description

Attempts to list all of the nodes of type Element from the list with the provided tag name

Demo Code


//package com.java2s;
import java.util.ArrayList;

import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {
    /**//from ww w  .  j  a  v a2 s . c o m
     * Attempts to list all of the nodes of type Element from the list with the
     * provided tag name using the
     * {@link DOMHelper#isNodeOfType(Node, String, boolean)} checker.
     *
     * @param list
     *            The NodeList object.
     * @param tagName
     *            The tag name.
     * @param caseSensitive
     *            If the match should be treated as case-sensitive.
     * @return A list of all Node objects which are an Element and have a tag
     *         name of that provided, or an empty array if no such item exists.
     */
    public static Node[] findNodesOf(NodeList list, String tagName,
            boolean caseSensitive) {
        ArrayList<Node> result = new ArrayList<Node>();
        for (int i = 0; i < list.getLength(); i++) {
            Node node = list.item(i);
            if (isNodeOfType(node, tagName, caseSensitive))
                result.add(node);
        }
        return result.toArray(new Node[0]);
    }

    /**
     * Attempts to match the provided node to the Element type with the tag name
     * provided.
     *
     * @param node
     *            The node object.
     * @param tagName
     *            The tag name.
     * @param caseSensitive
     *            If the match should be treated as case-sensitive.
     * @return If the Node object is an Element and has a tag name of that
     *         provided.
     */
    public static boolean isNodeOfType(Node node, String tagName,
            boolean caseSensitive) {
        if (!(node instanceof Element))
            return false;
        Element nodeAsElement = (Element) node;
        if (caseSensitive && nodeAsElement.getTagName().equals(tagName))
            return true;
        if (!caseSensitive
                && nodeAsElement.getTagName().equalsIgnoreCase(tagName))
            return true;
        return false;
    }
}

Related Tutorials