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