| /** |
| * 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; |
| |
| import com.google.inject.internal.Errors; |
| import com.google.inject.internal.ErrorsException; |
| import com.google.inject.internal.ToStringBuilder; |
| import com.google.inject.spi.BindingTargetVisitor; |
| import com.google.inject.spi.Dependency; |
| import com.google.inject.spi.PrivateEnvironment; |
| import java.util.Map; |
| |
| public class ExposedBindingImpl<T> extends BindingImpl<T> { |
| |
| private Factory factory; |
| |
| public ExposedBindingImpl(InjectorImpl injector, Object source, Factory<T> factory) { |
| super(injector, factory.key, source, factory, Scopes.NO_SCOPE, LoadStrategy.LAZY); |
| this.factory = factory; |
| } |
| |
| public <V> V acceptTargetVisitor(BindingTargetVisitor<? super T, V> visitor) { |
| return visitor.visitExposed(factory.privateEnvironment); |
| } |
| |
| public PrivateEnvironment getPrivateEnvironment() { |
| return factory.privateEnvironment; |
| } |
| |
| @Override public String toString() { |
| return new ToStringBuilder(Binding.class) |
| .add("key", key) |
| .add("privateEnvironment", factory.privateEnvironment) |
| .add("scope", scope) |
| .add("source", source) |
| .toString(); |
| } |
| |
| static class Factory<T> implements InternalFactory<T>, BindingProcessor.CreationListener { |
| private final Key<T> key; |
| private final PrivateEnvironment privateEnvironment; |
| private BindingImpl<T> delegate; |
| |
| Factory(Key<T> key, PrivateEnvironment privateEnvironment) { |
| this.key = key; |
| this.privateEnvironment = privateEnvironment; |
| } |
| |
| public void notify(Map<PrivateEnvironment, InjectorImpl> privateInjectors, Errors errors) { |
| InjectorImpl privateInjector = privateInjectors.get(privateEnvironment); |
| BindingImpl<T> explicitBinding = privateInjector.state.getExplicitBinding(key); |
| |
| if (explicitBinding.getInternalFactory() == this) { |
| errors.withSource(explicitBinding.getSource()).exposedButNotBound(key); |
| return; |
| } |
| |
| this.delegate = explicitBinding; |
| } |
| |
| public T get(Errors errors, InternalContext context, Dependency<?> dependency) |
| throws ErrorsException { |
| return delegate.getInternalFactory().get(errors, context, dependency); |
| } |
| } |
| } |