protected void configureRenderingMetadata(ApplicationSpec spec, ApplicationBuilder appBuilder) {
appBuilder.configure(getRenderingConfigurationFor(spec.getType()));
}
@SuppressWarnings("unchecked")
public Application create(ApplicationSpec spec) {
log.debug("REST creating application instance for {}", spec);
if (!Entitlements.isEntitled(
mgmt.getEntitlementManager(), Entitlements.DEPLOY_APPLICATION, spec)) {
throw WebResourceUtils.unauthorized(
"User '%s' is not authorized to deploy application %s",
Entitlements.getEntitlementContext().user(), spec);
}
final String type = spec.getType();
final String name = spec.getName();
final Map<String, String> configO = spec.getConfig();
final Set<EntitySpec> entities =
(spec.getEntities() == null) ? ImmutableSet.<EntitySpec>of() : spec.getEntities();
final Application instance;
// Load the class; first try to use the appropriate catalog item; but then allow anything that
// is on the classpath
final Class<? extends Entity> clazz;
if (Strings.isEmpty(type)) {
clazz = BasicApplication.class;
} else {
Class<? extends Entity> tempclazz;
try {
tempclazz = getCatalog().loadClassByType(type, Entity.class);
} catch (NoSuchElementException e) {
try {
tempclazz = (Class<? extends Entity>) getCatalog().getRootClassLoader().loadClass(type);
log.info(
"Catalog does not contain item for type {}; loaded class directly instead", type);
} catch (ClassNotFoundException e2) {
log.warn(
"No catalog item for type {}, and could not load class directly; rethrowing", type);
throw e;
}
}
clazz = tempclazz;
}
if (Entitlements.isEntitled(mgmt.getEntitlementManager(), Entitlements.INVOKE_EFFECTOR, null)) {
try {
if (ApplicationBuilder.class.isAssignableFrom(clazz)) {
Constructor<?> constructor = clazz.getConstructor();
ApplicationBuilder appBuilder = (ApplicationBuilder) constructor.newInstance();
if (!Strings.isEmpty(name)) appBuilder.appDisplayName(name);
if (entities.size() > 0)
log.warn(
"Cannot supply additional entities when using an ApplicationBuilder; ignoring in spec {}",
spec);
log.info("REST placing '{}' under management", spec.getName());
appBuilder.configure(convertFlagsToKeys(appBuilder.getType(), configO));
configureRenderingMetadata(spec, appBuilder);
instance = appBuilder.manage(mgmt);
} else if (Application.class.isAssignableFrom(clazz)) {
brooklyn.entity.proxying.EntitySpec<?> coreSpec = toCoreEntitySpec(clazz, name, configO);
configureRenderingMetadata(spec, coreSpec);
instance = (Application) mgmt.getEntityManager().createEntity(coreSpec);
for (EntitySpec entitySpec : entities) {
log.info("REST creating instance for entity {}", entitySpec.getType());
instance.addChild(mgmt.getEntityManager().createEntity(toCoreEntitySpec(entitySpec)));
}
log.info(
"REST placing '{}' under management", spec.getName() != null ? spec.getName() : spec);
Entities.startManagement(instance, mgmt);
} else if (Entity.class.isAssignableFrom(clazz)) {
if (entities.size() > 0)
log.warn(
"Cannot supply additional entities when using a non-application entity; ignoring in spec {}",
spec);
brooklyn.entity.proxying.EntitySpec<?> coreSpec =
toCoreEntitySpec(BasicApplication.class, name, configO);
configureRenderingMetadata(spec, coreSpec);
instance = (Application) mgmt.getEntityManager().createEntity(coreSpec);
final Class<? extends Entity> eclazz =
getCatalog().loadClassByType(spec.getType(), Entity.class);
Entity soleChild =
mgmt.getEntityManager().createEntity(toCoreEntitySpec(eclazz, name, configO));
instance.addChild(soleChild);
instance.addEnricher(Enrichers.builder().propagatingAll().from(soleChild).build());
log.info("REST placing '{}' under management", spec.getName());
Entities.startManagement(instance, mgmt);
} else {
throw new IllegalArgumentException(
"Class " + clazz + " must extend one of ApplicationBuilder, Application or Entity");
}
return instance;
} catch (Exception e) {
log.error("REST failed to create application: " + e, e);
throw Exceptions.propagate(e);
}
}
throw WebResourceUtils.unauthorized(
"User '%s' is not authorized to create application from applicationSpec %s",
Entitlements.getEntitlementContext().user(), spec);
}