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 static dagger.internal.codegen.javapoet.CodeBlocks.stringLiteral; 20 21 import com.squareup.javapoet.CodeBlock; 22 23 /** 24 * Common lines outputted during code generation. 25 */ 26 public final class GeneratedLines { 27 public static final String GENERATED_ANNOTATION = 28 "@Generated(" 29 + "value = \"dagger.internal.codegen.ComponentProcessor\", " 30 + "comments = \"https://dagger.dev\")"; 31 32 public static final String IMPORT_GENERATED_ANNOTATION = 33 isBeforeJava9() 34 ? "import javax.annotation.Generated;" 35 : "import javax.annotation.processing.Generated;"; 36 37 static final String GENERATION_OPTIONS_ANNOTATION = "@GenerationOptions(fastInit = false)"; 38 isBeforeJava9()39 private static boolean isBeforeJava9() { 40 try { 41 Class.forName("java.lang.Module"); 42 return false; 43 } catch (ClassNotFoundException e) { 44 return true; 45 } 46 } 47 48 public static final CodeBlock NPE_FROM_PROVIDES_METHOD = 49 stringLiteral("Cannot return null from a non-@Nullable @Provides method"); 50 51 public static final CodeBlock NPE_FROM_COMPONENT_METHOD = 52 stringLiteral("Cannot return null from a non-@Nullable component method"); 53 } 54