@Override
    public void process(ResultItems resultItems, Task task) {
        Map<String, Object> resultItemsAll = resultItems.getAll();
        Iterator<Map.Entry<String, Object>> iterator = resultItemsAll.entrySet().iterator();
        while (iterator.hasNext()) {
            handleObject(iterator);
        }
    }
A pipeline combines the result in more than one page together.<br>
Used for news and articles containing more than one web page. <br>
MultiPagePipeline will store parts of object and output them when all parts are extracted.<br>

@author code4crafter@gmail.com <br>
@since 0.2.0
webmagic-extension/src/main/java/us/codecraft/webmagic/pipeline/MultiPagePipeline.java