| /** |
| * 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 static com.google.common.base.Preconditions.checkNotNull; |
| import com.google.inject.internal.Errors; |
| import com.google.inject.internal.ErrorsException; |
| import com.google.inject.internal.SourceProvider; |
| import com.google.inject.spi.Dependency; |
| |
| /** |
| * @author crazybob@google.com (Bob Lee) |
| */ |
| class InternalFactoryToProviderAdapter<T> implements InternalFactory<T> { |
| |
| private final Initializable<Provider<? extends T>> initializable; |
| private final Object source; |
| |
| public InternalFactoryToProviderAdapter(Initializable<Provider<? extends T>> initializable) { |
| this(initializable, SourceProvider.UNKNOWN_SOURCE); |
| } |
| |
| public InternalFactoryToProviderAdapter( |
| Initializable<Provider<? extends T>> initializable, Object source) { |
| this.initializable = checkNotNull(initializable, "provider"); |
| this.source = checkNotNull(source, "source"); |
| } |
| |
| public T get(Errors errors, InternalContext context, Dependency<?> dependency) |
| throws ErrorsException { |
| try { |
| return errors.checkForNull(initializable.get(errors).get(), source, dependency); |
| } catch (RuntimeException userException) { |
| throw errors.withSource(source).errorInProvider(userException).toException(); |
| } |
| } |
| |
| @Override public String toString() { |
| return initializable.toString(); |
| } |
| } |