| /** |
| * Copyright (C) 2006 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.Objects; |
| import com.google.inject.spi.SourceProviders; |
| |
| /** |
| * @author crazybob@google.com (Bob Lee) |
| */ |
| class InternalFactoryToProviderAdapter<T> implements InternalFactory<T> { |
| |
| private final Provider<? extends T> provider; |
| private final Object source; |
| |
| public InternalFactoryToProviderAdapter(Provider<? extends T> provider) { |
| this(provider, SourceProviders.UNKNOWN_SOURCE); |
| } |
| |
| public InternalFactoryToProviderAdapter( |
| Provider<? extends T> provider, Object source) { |
| this.provider = Objects.nonNull(provider, "provider"); |
| this.source = Objects.nonNull(source, "source"); |
| } |
| |
| public T get(InternalContext context, InjectionPoint<?> injectionPoint) { |
| T provided = provider.get(); |
| return injectionPoint.checkForNull(provided, source); |
| } |
| |
| public String toString() { |
| return provider.toString(); |
| } |
| } |