1 /*
2  * Copyright (C) 2018 The Android Open Source Project
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 com.android.dialer.rootcomponentgenerator;
18 
19 import com.squareup.javapoet.JavaFile;
20 import com.squareup.javapoet.TypeSpec;
21 import java.io.IOException;
22 import javax.annotation.processing.ProcessingEnvironment;
23 
24 /**
25  * Contains a basic method writing java file to a curtain package. ProcessingEnvironment is needed.
26  */
27 public abstract class RootComponentUtils {
28   /**
29    * The place where the generator puts metadata files storing reference for {@link
30    * RootComponentGeneratingStep}.
31    */
32   static final String METADATA_PACKAGE_NAME = "com.android.dialer.rootcomponentgenerator.metadata";
33 
34   static final String GENERATED_COMPONENT_PREFIX = "Gen";
35 
writeJavaFile( ProcessingEnvironment processingEnv, String packageName, TypeSpec typeSpec)36   static void writeJavaFile(
37       ProcessingEnvironment processingEnv, String packageName, TypeSpec typeSpec) {
38     try {
39       JavaFile.builder(packageName, typeSpec)
40           .skipJavaLangImports(true)
41           .build()
42           .writeTo(processingEnv.getFiler());
43     } catch (IOException e) {
44       System.out.println(e);
45       throw new RuntimeException(e);
46     }
47   }
48 }
49