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;
18 
19 import com.google.common.base.Joiner;
20 
21 /**
22  * Common lines outputted during code generation.
23  */
24 public final class GeneratedLines {
25   public static final String GENERATED_ANNOTATION =
26      "@Generated("
27         + "value = \"dagger.internal.codegen.ComponentProcessor\", "
28         + "comments = \"https://dagger.dev\")";
29 
30   private static final String SUPPRESS_WARNINGS_ANNOTATION =
31       "@SuppressWarnings({\"unchecked\", \"rawtypes\"})";
32 
33   public static final String GENERATED_CODE_ANNOTATIONS =
34       Joiner.on('\n').join(GENERATED_ANNOTATION, SUPPRESS_WARNINGS_ANNOTATION);
35 
36   public static final String IMPORT_GENERATED_ANNOTATION =
37       isBeforeJava9()
38           ? "import javax.annotation.Generated;"
39           : "import javax.annotation.processing.Generated;";
40 
41   static final String GENERATION_OPTIONS_ANNOTATION = "@GenerationOptions(fastInit = false)";
42 
isBeforeJava9()43   private static boolean isBeforeJava9() {
44     try {
45       Class.forName("java.lang.Module");
46       return false;
47     } catch (ClassNotFoundException e) {
48       return true;
49     }
50   }
51 }
52