1e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin/** 2e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin * Copyright (C) 2011 Google Inc. 3e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin * 4e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin * Licensed under the Apache License, Version 2.0 (the "License"); 5e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin * you may not use this file except in compliance with the License. 6e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin * You may obtain a copy of the License at 7e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin * 8e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin * http://www.apache.org/licenses/LICENSE-2.0 9e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin * 10e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin * Unless required by applicable law or agreed to in writing, software 11e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin * distributed under the License is distributed on an "AS IS" BASIS, 12e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin * See the License for the specific language governing permissions and 14e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin * limitations under the License. 15e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin */ 16e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin 17e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlinpackage com.google.inject.internal; 18e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin 19d9c913acca55023ef5d76a32c3d4a51ee6b420cbsberlinimport static com.google.common.base.Preconditions.checkNotNull; 20b7a02b02d81c830d148355c90bc309bcd66fb592sberlin 21e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlinimport com.google.inject.spi.Dependency; 22e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlinimport com.google.inject.spi.ProviderInstanceBinding; 23e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin 24e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin/** 25e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin * Adapts {@link ProviderInstanceBinding} providers, ensuring circular proxies 26e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin * fail (or proxy) properly. 27e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin * 28e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin * @author sameb@google.com (Sam Berlin) 29e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin*/ 30e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlinfinal class InternalFactoryToInitializableAdapter<T> extends ProviderInternalFactory<T> { 31e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin 32d51292d5a4a788b1275eb9ad55cf612e68640bbfSam Berlin private final ProvisionListenerStackCallback<T> provisionCallback; 338ad60eb50961e000c89099bb767489cf551d995bSam Berlin private final Initializable<? extends javax.inject.Provider<? extends T>> initializable; 34e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin 35e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin public InternalFactoryToInitializableAdapter( 368ad60eb50961e000c89099bb767489cf551d995bSam Berlin Initializable<? extends javax.inject.Provider<? extends T>> initializable, 375e6c93348c4250012801b6e41753789d760f06e4timofeyb Object source, ProvisionListenerStackCallback<T> provisionCallback) { 385e6c93348c4250012801b6e41753789d760f06e4timofeyb super(source); 39d51292d5a4a788b1275eb9ad55cf612e68640bbfSam Berlin this.provisionCallback = checkNotNull(provisionCallback, "provisionCallback"); 40e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin this.initializable = checkNotNull(initializable, "provider"); 41e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin } 42e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin 43e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin public T get(Errors errors, InternalContext context, Dependency<?> dependency, boolean linked) 44e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin throws ErrorsException { 455e6c93348c4250012801b6e41753789d760f06e4timofeyb return circularGet(initializable.get(errors), errors, context, dependency, 46d51292d5a4a788b1275eb9ad55cf612e68640bbfSam Berlin provisionCallback); 47132a5db7c643b8f367eb5f09024cf13ea37c9831sberlin } 48132a5db7c643b8f367eb5f09024cf13ea37c9831sberlin 49132a5db7c643b8f367eb5f09024cf13ea37c9831sberlin @Override 50132a5db7c643b8f367eb5f09024cf13ea37c9831sberlin protected T provision(javax.inject.Provider<? extends T> provider, Errors errors, 51132a5db7c643b8f367eb5f09024cf13ea37c9831sberlin Dependency<?> dependency, ConstructionContext<T> constructionContext) throws ErrorsException { 52e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin try { 53132a5db7c643b8f367eb5f09024cf13ea37c9831sberlin return super.provision(provider, errors, dependency, constructionContext); 54e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin } catch(RuntimeException userException) { 55e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin throw errors.withSource(source).errorInProvider(userException).toException(); 56e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin } 57e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin } 58e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin 59e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin @Override public String toString() { 60e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin return initializable.toString(); 61e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin } 62e6ce1886f5f8f700cea00bafefd093ccbbe8addfsberlin} 63