Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Stack;

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

public class Main {
    /**
     * Finds element in DOM tree
     * @param topElm Top element
     * @param nodeName Node name
     * @return returns found node
     */
    public static List<Node> findNodesByType(Element topElm, int type) {
        List<Node> retvals = new ArrayList<Node>();
        if (topElm == null)
            throw new IllegalArgumentException("topElm cannot be null");
        synchronized (topElm.getOwnerDocument()) {
            Stack<Node> stack = new Stack<Node>();
            stack.push(topElm);
            while (!stack.isEmpty()) {
                Node curElm = stack.pop();
                if (curElm.getNodeType() == type) {
                    retvals.add(curElm);
                }
                List<Node> nodesToProcess = new ArrayList<Node>();

                NodeList childNodes = curElm.getChildNodes();
                for (int i = 0, ll = childNodes.getLength(); i < ll; i++) {
                    Node item = childNodes.item(i);
                    //stack.push((Element) item);
                    nodesToProcess.add(item);
                }
                Collections.reverse(nodesToProcess);
                for (Node node : nodesToProcess) {
                    stack.push(node);
                }
            }
            return retvals;
        }
    }
}