This project works with Eclipse and Maven. It converts SPARQL queries into SPIN models using http://topbraid.org/spin/api/.
Build JAR with
mvn assembly:assembly
java -cp target/spin2sparql-0.3.0-jar-with-dependencies.jar de.tud.plt.spin2sparql.Sparql2Spin query.rq > query.ttl
java -cp target/spin2sparql-0.3.0-jar-with-dependencies.jar de.tud.plt.spin2sparql.Spin2Sparql query.ttl > query.rq