@Override
public Project registerFacet(final Facet facet) {
if (facet == null) {
throw new IllegalArgumentException(
"Attempted to register 'null' as a Facet; Facets cannot be null.");
}
List<Class<? extends Facet>> dependencies =
ConstraintInspector.getFacetDependencies(facet.getClass());
for (Class<? extends Facet> type : dependencies) {
if (!hasFacet(type)) {
throw new IllegalStateException(
"Attempting to register a Facet that has missing dependencies: ["
+ facet.getClass().getSimpleName()
+ " requires -> "
+ type.getSimpleName()
+ "]");
}
}
facet.setProject(this);
if (facet.isInstalled() && !hasFacet(facet.getClass())) {
facets.add(facet);
}
return this;
}
private void performInstallation(final Facet facet) {
if (facet.install()) {
facets.add(facet);
} else {
throw new ProjectModelException(
"Could not complete installation of "
+ "facet: ["
+ ConstraintInspector.getName(facet.getClass())
+ "]. "
+ "Installation was aborted by the Facet during installation.");
}
}