1 /* 2 * Copyright (C) 2017 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 import com.squareup.javapoet.ClassName; 20 import dagger.internal.codegen.binding.ComponentDescriptor.ComponentMethodDescriptor; 21 import dagger.internal.codegen.javapoet.Expression; 22 23 /** A factory of code expressions used to access a single request for a binding in a component. */ 24 // TODO(bcorso): Rename this to RequestExpression? 25 abstract class RequestRepresentation { 26 27 /** 28 * Returns an expression that evaluates to the value of a request based on the given requesting 29 * class. 30 * 31 * @param requestingClass the class that will contain the expression 32 */ getDependencyExpression(ClassName requestingClass)33 abstract Expression getDependencyExpression(ClassName requestingClass); 34 35 /** 36 * Equivalent to {@link #getDependencyExpression} that is used only when the request is for an 37 * implementation of a component method. By default, just delegates to {@link 38 * #getDependencyExpression}. 39 */ getDependencyExpressionForComponentMethod( ComponentMethodDescriptor componentMethod, ComponentImplementation component)40 Expression getDependencyExpressionForComponentMethod( 41 ComponentMethodDescriptor componentMethod, ComponentImplementation component) { 42 return getDependencyExpression(component.name()); 43 } 44 } 45