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package com.google.inject.internal;

import com.google.inject.Binding;
import com.google.inject.spi.UntargettedBinding;

/**
 * Processes just UntargettedBindings.
 *
 */
class UntargettedBindingProcessor extends AbstractBindingProcessor {

    UntargettedBindingProcessor(Errors errors, ProcessedBindingData bindingData) {
        super(errors, bindingData);
    }

    @Override
    public  Boolean visit(Binding binding) {
        return binding.acceptTargetVisitor(new Processor((BindingImpl) binding) {
            @Override
            public Boolean visit(UntargettedBinding untargetted) {
                prepareBinding();

                // Error: Missing implementation.
                // Example: bind(Date.class).annotatedWith(Red.class);
                // We can't assume abstract types aren't injectable. They may have an
                // @ImplementedBy annotation or something.
                if (key.getAnnotationType() != null) {
                    errors.missingImplementation(key);
                    putBinding(invalidBinding(injector, key, source));
                    return true;
                }

                // This cast is safe after the preceeding check.
                try {
                    BindingImpl binding = injector.createUninitializedBinding(
                            key, scoping, source, errors, false);
                    scheduleInitialization(binding);
                    putBinding(binding);
                } catch (ErrorsException e) {
                    errors.merge(e.getErrors());
                    putBinding(invalidBinding(injector, key, source));
                }

                return true;
            }

            @Override
            protected Boolean visitOther(Binding binding) {
                return false;
            }
        });
    }
}