com.google.inject.internal.LookupProcessor Maven / Gradle / Ivy
/*
* Copyright (C) 2008 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.MembersInjector;
import com.google.inject.Provider;
import com.google.inject.spi.MembersInjectorLookup;
import com.google.inject.spi.ProviderLookup;
/**
* Handles {@code Binder.getProvider} and {@code Binder.getMembersInjector(TypeLiteral)} commands.
*
* @author [email protected] (Bob Lee)
* @author [email protected] (Jesse Wilson)
*/
final class LookupProcessor extends AbstractProcessor {
LookupProcessor(Errors errors) {
super(errors);
}
@Override
public Boolean visit(MembersInjectorLookup lookup) {
try {
MembersInjector membersInjector =
injector.membersInjectorStore.get(lookup.getType(), errors);
lookup.initializeDelegate(membersInjector);
injector.state.putMembersInjectorLookup(lookup);
} catch (ErrorsException e) {
errors.merge(e.getErrors()); // TODO: source
}
return true;
}
@Override
public Boolean visit(ProviderLookup lookup) {
// ensure the provider can be created
try {
Provider provider = injector.getProviderOrThrow(lookup.getDependency(), errors);
lookup.initializeDelegate(provider);
injector.state.putProviderLookup(lookup);
} catch (ErrorsException e) {
errors.merge(e.getErrors()); // TODO: source
}
return true;
}
}