UNO API of LibreOffice easy and understandable - Nice Office Access
NOA-libre is an object-oriented lightweight Java wrapper around LibreOffice UNO API, providing higher-level abstraction of many UNO interfaces. It is a fork of Ubion's NOA (Nice Office Access) built around API of OpenOffice.org.
Find documentation in the Wiki.
There are also a number of examples in the examples folder.
To build NOA-libre, maven-ant-tasks is needed to pull LibreOffice Java artifacts from Maven central repository. Install it into your ant's lib/ directory or adjust ${ant.lib} property in build.xml accordingly to point to maven-ant-tasks location.
Additionally, you need swt.jar added to your build path. Download the matching version for your operating system from http://maven-eclipse.github.io/maven and add it to the build path (e.g. place it in lib folder.
Please read Release Notes if you are upgrading from older versions of NOA-libre