Apache Onami-SPI
· Apache Onami-SPI is a Java5 compatible small collection of reusable tools to make easier the integration
with the Service Provider Interface pattern.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window org.apache.onami.spi.parent-1.0.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.