1b71955639ab617e0a4115b1439c8b9982227a018sberlin/** 2b71955639ab617e0a4115b1439c8b9982227a018sberlin * Copyright (C) 2011 Google Inc. 3b71955639ab617e0a4115b1439c8b9982227a018sberlin * 4b71955639ab617e0a4115b1439c8b9982227a018sberlin * Licensed under the Apache License, Version 2.0 (the "License"); 5b71955639ab617e0a4115b1439c8b9982227a018sberlin * you may not use this file except in compliance with the License. 6b71955639ab617e0a4115b1439c8b9982227a018sberlin * You may obtain a copy of the License at 7b71955639ab617e0a4115b1439c8b9982227a018sberlin * 8b71955639ab617e0a4115b1439c8b9982227a018sberlin * http://www.apache.org/licenses/LICENSE-2.0 9b71955639ab617e0a4115b1439c8b9982227a018sberlin * 10b71955639ab617e0a4115b1439c8b9982227a018sberlin * Unless required by applicable law or agreed to in writing, software 11b71955639ab617e0a4115b1439c8b9982227a018sberlin * distributed under the License is distributed on an "AS IS" BASIS, 12b71955639ab617e0a4115b1439c8b9982227a018sberlin * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13b71955639ab617e0a4115b1439c8b9982227a018sberlin * See the License for the specific language governing permissions and 14b71955639ab617e0a4115b1439c8b9982227a018sberlin * limitations under the License. 15b71955639ab617e0a4115b1439c8b9982227a018sberlin */ 16b71955639ab617e0a4115b1439c8b9982227a018sberlin 17b71955639ab617e0a4115b1439c8b9982227a018sberlinpackage com.google.inject.grapher; 18b71955639ab617e0a4115b1439c8b9982227a018sberlin 19b71955639ab617e0a4115b1439c8b9982227a018sberlinimport com.google.common.collect.Lists; 20b71955639ab617e0a4115b1439c8b9982227a018sberlinimport com.google.inject.Binding; 21b71955639ab617e0a4115b1439c8b9982227a018sberlinimport com.google.inject.spi.ProviderBinding; 22b71955639ab617e0a4115b1439c8b9982227a018sberlinimport java.util.List; 23b71955639ab617e0a4115b1439c8b9982227a018sberlin 24b71955639ab617e0a4115b1439c8b9982227a018sberlin/** 25b71955639ab617e0a4115b1439c8b9982227a018sberlin * Alias creator that creates an alias for each {@link ProviderBinding}. These {@link Binding}s 26b71955639ab617e0a4115b1439c8b9982227a018sberlin * arise from an {@link InjectionPoint} for the {@link Provider} interface. Since this isn't 27b71955639ab617e0a4115b1439c8b9982227a018sberlin * very interesting information, we don't render this binding on the graph, and just alias the two 28b71955639ab617e0a4115b1439c8b9982227a018sberlin * nodes. 29b71955639ab617e0a4115b1439c8b9982227a018sberlin * 30b71955639ab617e0a4115b1439c8b9982227a018sberlin * @author bojand@google.com (Bojan Djordjevic) 31b71955639ab617e0a4115b1439c8b9982227a018sberlin */ 32b71955639ab617e0a4115b1439c8b9982227a018sberlinfinal class ProviderAliasCreator implements AliasCreator { 33b71955639ab617e0a4115b1439c8b9982227a018sberlin @Override public Iterable<Alias> createAliases(Iterable<Binding<?>> bindings) { 34b71955639ab617e0a4115b1439c8b9982227a018sberlin List<Alias> aliases = Lists.newArrayList(); 35b71955639ab617e0a4115b1439c8b9982227a018sberlin for (Binding<?> binding : bindings) { 36b71955639ab617e0a4115b1439c8b9982227a018sberlin if (binding instanceof ProviderBinding) { 37b71955639ab617e0a4115b1439c8b9982227a018sberlin aliases.add(new Alias(NodeId.newTypeId(binding.getKey()), 38b71955639ab617e0a4115b1439c8b9982227a018sberlin NodeId.newTypeId(((ProviderBinding<?>) binding).getProvidedKey()))); 39b71955639ab617e0a4115b1439c8b9982227a018sberlin } 40b71955639ab617e0a4115b1439c8b9982227a018sberlin } 41b71955639ab617e0a4115b1439c8b9982227a018sberlin return aliases; 42b71955639ab617e0a4115b1439c8b9982227a018sberlin } 43b71955639ab617e0a4115b1439c8b9982227a018sberlin} 44