1 /* 2 * Copyright (C) 2015 The Dagger Authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package dagger.internal.codegen.writing; 18 19 20 import com.squareup.javapoet.ClassName; 21 import com.squareup.javapoet.CodeBlock; 22 import dagger.assisted.Assisted; 23 import dagger.assisted.AssistedFactory; 24 import dagger.assisted.AssistedInject; 25 import dagger.internal.codegen.binding.FrameworkType; 26 import dagger.internal.codegen.javapoet.TypeNames; 27 import dagger.internal.codegen.model.RequestKind; 28 import dagger.internal.codegen.writing.FrameworkFieldInitializer.FrameworkInstanceCreationExpression; 29 import java.util.Optional; 30 31 /** An {@code Producer} creation expression for provision bindings. */ 32 final class ProducerFromProviderCreationExpression implements FrameworkInstanceCreationExpression { 33 private final RequestRepresentation providerRequestRepresentation; 34 private final ClassName requestingClass; 35 36 @AssistedInject ProducerFromProviderCreationExpression( @ssisted RequestRepresentation providerRequestRepresentation, @Assisted ClassName requestingClass)37 ProducerFromProviderCreationExpression( 38 @Assisted RequestRepresentation providerRequestRepresentation, 39 @Assisted ClassName requestingClass) { 40 this.providerRequestRepresentation = providerRequestRepresentation; 41 this.requestingClass = requestingClass; 42 } 43 44 @Override creationExpression()45 public CodeBlock creationExpression() { 46 return FrameworkType.PROVIDER.to( 47 RequestKind.PRODUCER, 48 providerRequestRepresentation.getDependencyExpression(requestingClass).codeBlock()); 49 } 50 51 @Override alternativeFrameworkClass()52 public Optional<ClassName> alternativeFrameworkClass() { 53 return Optional.of(TypeNames.PRODUCER); 54 } 55 56 @AssistedFactory 57 static interface Factory { create( RequestRepresentation providerRequestRepresentation, ClassName requestingClass)58 ProducerFromProviderCreationExpression create( 59 RequestRepresentation providerRequestRepresentation, ClassName requestingClass); 60 } 61 } 62