Why use CSV files? [wp_ad_camp_5] Sometimes we process data in bulk by reading them from files with specific format like CSV. This article demonstrates how to parse a CSV file using Apache Commons CSV. A CSV is a file format
Parse CSV file uploaded as MultipartFile using Apache Commons CSV
From MultiPartFile to Reader object [wp_ad_camp_5] The parse method only accepts a single java.io.Reader object and you may need to convert the MultipartFile object to a Reader object. The MultipartFile class has the getInputStream() whose return value can be passed
How to find objects with specific properties in a List using Apache Commons Collections
You overridden your JavaBean class’ hashCode and equals methods so you can easily find (and manipulate) objects in a list. Now most properties are used in those methods. But what if you want to search for a list of objects by one or two properties only? Surely, you do not need to create a “search” object and set all its properties with values. Will you resort to loop and conditional statements? Will you modify the hashCode and equals methods? To introduce the least possible codes and/or not modify existing JavaBeans, we could use Predicate interface in conjunction with ListUtils from Apache Commons Collection.