Grab products from Newegg

Grab products from Newegg

This task use javascript sandbox with jsoup support to grab products from Newegg.

Grab products from Newegg

1. Create javascript sandbox with jsoup support
2. Create javascript as following

javascript

---

function main(env, args) {
  var catUrl = 'http://www.newegg.com/Store/SubCategory.aspx?SubCategory=11&name=Controller-Panels';
  var maxpage = 1;
  var links = args.get('links');
  var prods = grabProduct(catUrl, maxpage, env);
  for (var i = 0; i < prods.size(); i++) {
    links.add(prods.get(i));
  }
}

function grabProduct(catUrl, maxpage, env) {
  var tag = env.newArrayList();
  for (var no = 1; no <= maxpage; no++) {
    try {
      var link = env.newURL(catUrl + '&Page=' + no);
      var doc = env.newJsoup().parse(link, 60000);
      var elements = doc.select('.itemCell');
      for (var i = 0; i < elements.size(); i++) {
        var element = elements.get(i);
        if (element.hasClass('featuredProduct')) continue;
        var item = env.newHashMap();
        var child = element.select('.itemText .wrapper a').first();
        if (child != null) {
          item.put('url', env.newURL(link, child.attr('href')) + '');
        }
        child = element.select('.itemText .wrapper a span').first();
        if (child != null) {
          item.put('title', child.text());
        }
        child = element.select('.itemAction .itemPricing .priceFinal').first();
        if (child != null) {
          var price = env.newString(child.text());
          if (price.startsWith('Now: ')) {
            price = price.substring(5);
          }
          item.put('price', price + '');
        }
        child = element.select('.itemGraphics .itemImage img').first();
        if (child != null) {
          item.put('small-image', env.newURL(link, child.attr('src')) + '');
        }
        try {
          var cdoc = env.newJsoup().parse(env.newURL(item.get('url')), 60000);
          child = cdoc.select('#Specs').first();
          if (child != null) {
            item.put('description', child.html());
          }
          var children = cdoc.select('.navThumbs a.noLine img');
          var imgsA = '';
          var imgsB = '';
          for (var j = 0; j < children.size(); j++) {
            var img = env.newURL(link, children.get(j).attr('src')) + '';
            var imgA = img.replace(/\$S35\$/g, '$S300W$');
            if (imgsA.length > 0) imgsA += '\n';
            imgsA += imgA + ''; 
            var imgB = img.replace(/\$S35\$/g, '$S125W$');
            if (imgsB.length > 0) imgsB += '\n';
            imgsB += imgB + ''; 

          }
          item.put('large-images', imgsA);
          item.put('small-images', imgsB);
          child = cdoc.select('.mainSlide img').first();
          if (child != null) {
            item.put('large-image', env.newURL(link, child.attr('src')) + '');
          }
        } catch (e) {
          env.error(e);
        }
        tag.add(item);
      }
    } catch (e) {
      env.error(e);
    }
  }
  return tag;
}
    

Java JavaScript jsoup