protected void buildSessionFactory()

in grails-datastore-gorm-hibernate/src/main/groovy/org/grails/orm/hibernate/HibernateMappingContextSessionFactoryBean.java [379:467]
63 lines of code
22 McCabe index (conditional complexity)

    protected void buildSessionFactory() throws Exception {

        configuration = newConfiguration();

        if(hibernateMappingContext == null) {

            throw new IllegalArgumentException("HibernateMappingContext is required.");
        }

        configuration.setHibernateMappingContext(hibernateMappingContext);

        if (configLocations != null) {
            for (Resource resource : configLocations) {
                // Load Hibernate configuration from given location.
                configuration.configure(resource.getURL());
            }
        }

        if (mappingResources != null) {
            // Register given Hibernate mapping definitions, contained in resource files.
            for (String mapping : mappingResources) {
                Resource mr = new ClassPathResource(mapping.trim(), resourcePatternResolver.getClassLoader());
                configuration.addInputStream(mr.getInputStream());
            }
        }

        if (mappingLocations != null) {
            // Register given Hibernate mapping definitions, contained in resource files.
            for (Resource resource : mappingLocations) {
                configuration.addInputStream(resource.getInputStream());
            }
        }

        if (cacheableMappingLocations != null) {
            // Register given cacheable Hibernate mapping definitions, read from the file system.
            for (Resource resource : cacheableMappingLocations) {
                configuration.addCacheableFile(resource.getFile());
            }
        }

        if (mappingJarLocations != null) {
            // Register given Hibernate mapping definitions, contained in jar files.
            for (Resource resource : mappingJarLocations) {
                configuration.addJar(resource.getFile());
            }
        }

        if (mappingDirectoryLocations != null) {
            // Register all Hibernate mapping definitions in the given directories.
            for (Resource resource : mappingDirectoryLocations) {
                File file = resource.getFile();
                if (!file.isDirectory()) {
                    throw new IllegalArgumentException("Mapping directory location [" + resource + "] does not denote a directory");
                }
                configuration.addDirectory(file);
            }
        }

        if (entityInterceptor != null) {
            configuration.setInterceptor(entityInterceptor);
        }

        if (namingStrategy != null) {
//            configuration.setNamingStrategy(namingStrategy);
        }

        if (hibernateProperties != null) {
            configuration.addProperties(hibernateProperties);
        }

        if (annotatedClasses != null) {
            configuration.addAnnotatedClasses(annotatedClasses);
        }


        if (annotatedPackages != null) {
            configuration.addPackages(annotatedPackages);
        }

        if (packagesToScan != null) {
            configuration.scanPackages(packagesToScan);
        }

        if (eventListeners != null) {
            configuration.setEventListeners(eventListeners);
        }

        sessionFactory = doBuildSessionFactory();
    }