xref: /aosp_15_r20/external/dagger2/java/dagger/spi/model/DaggerProcessingEnv.java (revision f585d8a307d0621d6060bd7e80091fdcbf94fe27)
1 /*
2  * Copyright (C) 2021 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.spi.model;
18 
19 import com.google.devtools.ksp.processing.Resolver;
20 import com.google.devtools.ksp.processing.SymbolProcessorEnvironment;
21 import com.google.errorprone.annotations.DoNotMock;
22 import javax.annotation.processing.ProcessingEnvironment;
23 
24 /** Wrapper type for an element. */
25 @DoNotMock("Only use real implementations created by Dagger")
26 public abstract class DaggerProcessingEnv {
27   /** Represents a type of backend used for compilation. */
28   public enum Backend {
29     JAVAC,
30     KSP
31   }
32 
33   /**
34    * Returns the Javac representation for the processing environment.
35    *
36    * @throws IllegalStateException if the current backend isn't Javac.
37    */
javac()38   public abstract ProcessingEnvironment javac();
39 
40   /**
41    * Returns the KSP representation for the processing environment.
42    *
43    * @throws IllegalStateException if the current backend isn't KSP.
44    */
ksp()45   public abstract SymbolProcessorEnvironment ksp();
46 
47   /**
48    * Returns the KSP representation for the resolver.
49    *
50    * @throws IllegalStateException if the current backend isn't KSP.
51    */
resolver()52   public abstract Resolver resolver();
53 
54   /** Returns the backend used in this compilation. */
backend()55   public abstract DaggerProcessingEnv.Backend backend();
56 }
57