3 Kinds of Libraries And some reflections on libraries in general As you arrive…please sit with your Tivoo groups

In Class Today Libraries for parsing XML Libraries for dealing with Dates Libraries for outputting HTML Reflections

Libraries for XML DOM - Document Object Model SAX - Simple API for XML JDOM - “a Java-based document object model for XML files” XPath – an added bonus

Parsing with DOM

Parsing with SAX

Parsing with JDOM

XPath

In Class Today Libraries for parsing XML Libraries for dealing with Dates Libraries for outputting HTML Reflections

Unix Epoch Time and “Human” Views of Time Sunday, November 4, 2012, 1:59am. What’s wrong with converting the above date to epoch time?

Java’s Built in Calendar class

Joda’s Parsing Or for more fancy formatting…

In Class Today Libraries for parsing XML Libraries for dealing with Dates Libraries for outputing HTML Reflections

gagawa

JSP

In Class Today Libraries for parsing XML Libraries for dealing with Dates Libraries for outputting HTML Reflections

Reflections on Libraries It’s usually not a good idea to hand-parse a standard format (unless you’re really looking for quick-n-dirty) In Java, there’s almost always a “built in” way to do what you want Using libraries has a cost, so you almost never want to use them if the code you’d be replacing is small But do make your coding a pleasure