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/*
 * 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 shaded.shaded.com.google.inject.internal;

import shaded.shaded.com.google.inject.Provider;

/** @author [email protected] (Bob Lee) */
final class ProviderToInternalFactoryAdapter implements Provider {

  private final InjectorImpl injector;
  private final InternalFactory internalFactory;

  public ProviderToInternalFactoryAdapter(
      InjectorImpl injector, InternalFactory internalFactory) {
    this.injector = injector;
    this.internalFactory = internalFactory;
  }

  @Override
  public T get() {
    InternalContext context = injector.enterContext();
    try {
      // Always pretend that we are a linked binding, to support
      // scoping implicit bindings.  If we are not actually a linked
      // binding, we'll fail properly elsewhere in the chain.
      T t = internalFactory.get(context, context.getDependency(), true);
      return t;
    } catch (InternalProvisionException e) {
      throw e.toProvisionException();
    } finally {
      context.close();
    }
  }

  /** Exposed for SingletonScope. */
  InjectorImpl getInjector() {
    return injector;
  }

  @Override
  public String toString() {
    return internalFactory.toString();
  }
}