private String getProvider()

in starters/karaf-boot-starter-jpa/src/main/java/org/apache/karaf/boot/jpa/impl/JpaProcessor.java [151:169]

• 18 lines of code
• 7 McCabe index (conditional complexity)

    private String getProvider(PersistentUnit pu) throws IOException {
        if (pu.provider() != Provider.Default && pu.providerName() != null && !pu.providerName().isEmpty()) {
            throw new IOException("At most one of provider and providerName can be used");
        }
        if (pu.provider() != null) {
            switch (pu.provider()) {
            case Hibernate:
                useHibernate = true;
                return "org.hibernate.jpa.HibernatePersistenceProvider";
            default:
                // TODO
                throw new IOException("Unsupported provider: " + pu.provider());
            }
        } else if (pu.providerName() != null) {
            return pu.providerName();
        } else {
            return null;
        }
    }