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.ArrayList;
import java.util.List;

import org.w3c.dom.Element;

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

public class Main {
    public static List<Element> extractElementsFromNodeList(NodeList config, String tag, boolean required) {
        List<Element> res = new ArrayList<Element>();
        for (int i = 0; i < config.getLength(); i++) {
            Node n = config.item(i);
            if (n.getNodeType() == Node.ELEMENT_NODE && n.getNodeName().equals(tag)) {
                res.add((Element) config.item(i));
            }
        }
        if (required && res.size() == 0) {
            throw new RuntimeException("Tag " + tag + " is required in configuration file");
        }
        return res;
    }
}