| /* |
| * 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.internal; |
| |
| import com.google.inject.Key; |
| import com.google.inject.internal.InjectorImpl.JitLimitation; |
| import com.google.inject.spi.Dependency; |
| import javax.inject.Provider; |
| |
| /** Delegates to a custom factory which is also bound in the injector. */ |
| final class BoundProviderFactory<T> extends ProviderInternalFactory<T> implements CreationListener { |
| |
| private final ProvisionListenerStackCallback<T> provisionCallback; |
| private final InjectorImpl injector; |
| final Key<? extends javax.inject.Provider<? extends T>> providerKey; |
| private InternalFactory<? extends javax.inject.Provider<? extends T>> providerFactory; |
| |
| BoundProviderFactory( |
| InjectorImpl injector, |
| Key<? extends javax.inject.Provider<? extends T>> providerKey, |
| Object source, |
| ProvisionListenerStackCallback<T> provisionCallback) { |
| super(source); |
| this.provisionCallback = provisionCallback; |
| this.injector = injector; |
| this.providerKey = providerKey; |
| } |
| |
| @Override |
| public void notify(Errors errors) { |
| try { |
| providerFactory = |
| injector.getInternalFactory( |
| providerKey, errors.withSource(source), JitLimitation.NEW_OR_EXISTING_JIT); |
| } catch (ErrorsException e) { |
| errors.merge(e.getErrors()); |
| } |
| } |
| |
| @Override |
| public T get(InternalContext context, Dependency<?> dependency, boolean linked) |
| throws InternalProvisionException { |
| context.pushState(providerKey, source); |
| |
| try { |
| javax.inject.Provider<? extends T> provider = providerFactory.get(context, dependency, true); |
| return circularGet(provider, context, dependency, provisionCallback); |
| } catch (InternalProvisionException ipe) { |
| throw ipe.addSource(providerKey); |
| } finally { |
| context.popState(); |
| |
| } |
| } |
| |
| @Override |
| protected T provision( |
| Provider<? extends T> provider, |
| Dependency<?> dependency, |
| ConstructionContext<T> constructionContext) |
| throws InternalProvisionException { |
| try { |
| return super.provision(provider, dependency, constructionContext); |
| } catch (RuntimeException userException) { |
| throw InternalProvisionException.errorInProvider(userException); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return providerKey.toString(); |
| } |
| } |