Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.util.*;

import org.w3c.dom.*;

public class Main {
    private static final String DOM_WILDCARD = "*";

    /**
     * This method checks whether the given element node has a child element with the given name.
     * @param node - parent to check
     * @param name - name of child
     * @return - true if parent has a child with the given name, false otherwise
     */
    public static boolean hasChild(Element node, String name) {
        List<Element> children = getDirectChildElementsByTag(node, DOM_WILDCARD);
        for (Element e : children) {
            if (e.getNodeName().equals(name)) {
                return true;
            }
        }
        return false;
    }

    /**
     * This method returns a list of the direct element node children of this element node with the specified tag.
     * @param node - parent node
     * @param tag - tag of direct children to be returned
     * @return a list containing the direct element children with the given tag
     * @author Tristan Bepler
     */
    public static List<Element> getDirectChildElementsByTag(Element node, String tag) {
        List<Element> children = new ArrayList<Element>();
        Node child = node.getFirstChild();
        while (child != null) {
            if (child.getNodeType() == Node.ELEMENT_NODE
                    && (child.getNodeName().equals(tag) || tag.equals(DOM_WILDCARD))) {
                children.add((Element) child);
            }
            child = child.getNextSibling();
        }
        return children;
    }
}