public void execute()

in src/main/java/org/apache/sling/installer/factory/model/impl/InstallFeatureModelTask.java [73:111]
39 lines of code
6 McCabe index (conditional complexity)

    public void execute(final InstallationContext ctx) {
        try {
            final TaskResource resource = this.getResource();
            ctx.log("Installing {}", resource.getEntityId());
            final String featureJson = (String) resource.getAttribute(FeatureModelInstallerPlugin.ATTR_MODEL);
            if (featureJson == null) {
                ctx.log("Unable to install feature model resource {} : no model found", resource);
                this.getResourceGroup().setFinishState(ResourceState.IGNORED, null, "No model found");
            } else {
                boolean success = false;
                final List<InstallableResource> result = this.transform(featureJson, resource);
                if (result == null) {
                    ctx.log("Unable to install feature model resource {} : unable to create resources", resource);
                    this.getResourceGroup().setFinishState(ResourceState.IGNORED, null, "Unable to create resources");
                } else {
                    if (!result.isEmpty()) {
                        final OsgiInstaller installer = this.getService(OsgiInstaller.class);
                        if (installer != null) {
                            installer.registerResources(
                                    getScheme(resource),
                                    result.toArray(new InstallableResource[result.size()]));
                        } else {
                            ctx.log("Unable to install feature model resource {} : unable to get OSGi installer",
                                    resource);
                            this.getResourceGroup().setFinishState(ResourceState.IGNORED, null,  "Unable to get OSGi installer");
                            return;
                        }
                    }
                    this.getResourceGroup().setFinishState(ResourceState.INSTALLED);
                    success = true;
                }
                if ( success ) {
                    ctx.log("Installed {}", resource.getEntityId());
                }
            }
        } finally {
            this.cleanup();
        }
    }