Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

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

public class Main {
    /**
     * Returns the first direct child of the given element whose name matches {@code tag}.
     * <p>
     * Example: let the {@link Element} {@code root} correspond to:
     *
     * <pre>
     * {@code <root>
     *     <name>
     *         <first>John</first>
     *         <last>Smith</last>
     *     </name>
     *     <last>BlahBlah</last>
     * </root>
     * 
     * getFirstDirectChild(root, "last"); // returns the element corresponding to <last>BlahBlah</last>}
     * </pre>
     *
     * @param parent
     *            The {@link Element} to get the child from.
     * @param tag
     *            The element name of the child to look for.
     * @return The {@link Element} corresponding to the child if any was found, {@code null}
     *         otherwise.
     */
    public static Element getFirstDirectChild(Element parent, String tag) {
        for (Node child = parent.getFirstChild(); child != null; child = child.getNextSibling()) {
            if (child instanceof Element && tag.equals(child.getNodeName())) {
                return (Element) child;
            }
        }
        return null;
    }
}