com.google.inject.internal.UntargettedBindingProcessor Maven / Gradle / Ivy
/*
* Copyright (C) 2011 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.inject.internal;
import com.google.inject.Binding;
import com.google.inject.spi.UntargettedBinding;
/**
* Processes just UntargettedBindings.
*
* @author [email protected] (Sam Berlin)
*/
class UntargettedBindingProcessor extends AbstractBindingProcessor {
UntargettedBindingProcessor(Errors errors, ProcessedBindingData processedBindingData) {
super(errors, processedBindingData);
}
@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.missingImplementationWithHint(key, injector);
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;
}
});
}
}