Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;

import java.util.Map;

import org.w3c.dom.Element;

public class Main {
    /**
     */
    public static ArrayList<Element> mergeByAttrib(ArrayList<Element> master, ArrayList<Element> slave,
            String attrib) throws Exception {
        Map<String, Element> masterMap = mapFromArrayListByAttribute(master, attrib);
        Map<String, Element> slaveMap = mapFromArrayListByAttribute(slave, attrib);
        slaveMap.putAll(masterMap);

        ArrayList<Element> res = new ArrayList<Element>();
        Collection<Element> collection = slaveMap.values();
        for (Element e : collection) {
            res.add(e);
        }
        return res;
    }

    public static Map<String, Element> mapFromArrayListByAttribute(ArrayList<Element> list, String attribName) {
        Map<String, Element> map = new HashMap<String, Element>();
        for (Element e : list) {
            map.put(e.getAttribute(attribName), e);
        }
        return map;
    }
}