MotorSim org.eclipse.ajdt.core.ajbuilder org.eclipse.ui.externaltools.ExternalToolBuilder full,incremental, LaunchConfigHandle <project>/.externalToolBuilders/net.sourceforge.metrics.builder.launch org.eclipse.ajdt.ui.ajnature org.eclipse.jdt.core.javanature net.sourceforge.metrics.nature org.apache.ivyde.eclipse.ivynature