1. Utilize Commons BeansUtils to Do Copy Object Albert Guo junyuo@gmail.com 1

2. Agenda Scenario Introduction Demo 2

3. Scenario As user do insert/update/delete, system should keep track of record’s change history NIGT020 NIGU020 Insert/update/delete NIGT020 Insert data into NIGU020 as user do any change 3

4. Commons BeanUtils http://commons.apache.org/beanutils/ Most Java developers are used to creating Java classes that conform to the JavaBeans naming patterns for property getters and setters. It is natural to then access these methods directly, using calls to the corresponding getXxx and setXxx methods. 4

5. Commons BeanUtils Example use cases include: Building scripting languages that interact with the Java object model (such as the Bean Scripting Framework). Building template language processors for web presentation and similar uses (such as JSP or Velocity). Building custom tag libraries for JSP and XSP environments (such as Jakarta Taglibs, Struts, Cocoon). Consuming XML-based configuration resources (such as Ant build scripts, web application deployment descriptors, Tomcat's server.xml file). 5

6. Commons BeanUtils 6

7. Demo 7

8. Demo – cont. 8