Geonames Solr Index
· The project indexes all of the geonames data used in our other projects
in its own embedded Solr index and bundle as a WAR for distribution and
deployment.
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 solr-geonames-1.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.