Method bind

slf4j-api/src/main/java/org/slf4j/LoggerFactory.java:193–218

()

    }

    private final static void bind() {
        try {
            List<SLF4JServiceProvider> providersList = findServiceProviders();
            reportMultipleBindingAmbiguity(providersList);
            if (providersList != null && !providersList.isEmpty()) {
                PROVIDER = providersList.get(0);
                earlyBindMDCAdapter();
                // SLF4JServiceProvider.initialize() is intended to be called here and nowhere else.
                PROVIDER.initialize();
                INITIALIZATION_STATE = SUCCESSFUL_INITIALIZATION;
                reportActualBinding(providersList);
            } else {
                INITIALIZATION_STATE = NOP_FALLBACK_INITIALIZATION;
                Reporter.warn("No SLF4J providers were found.");
                Reporter.warn("Defaulting to no-operation (NOP) logger implementation");
                Reporter.warn("See " + NO_PROVIDERS_URL + " for further details.");

                Set<URL> staticLoggerBinderPathSet = findPossibleStaticLoggerBinderPathSet();
                reportIgnoredStaticLoggerBinders(staticLoggerBinderPathSet);
            }
            postBindCleanUp();
        } catch (Exception e) {
            failedBinding(e);
            throw new IllegalStateException("Unexpected initialization failure", e);
        }
    }

    /**
     * The value of PROVIDER.getMDCAdapter() can be null while PROVIDER has not yet initialized.