1 /*
2  * Copyright 2019 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 sample.optin
18 
19 import androidx.annotation.OptIn
20 import sample.optin.foo.AnnotatedJavaPackage
21 
22 @Suppress("unused", "MemberVisibilityCanBePrivate")
23 class UseJavaPackageFromKt {
24 
25     /** Unsafe call into a method on a class within an experimental package. */
callPackageUnsafenull26     fun callPackageUnsafe() {
27         val experimentalObject = AnnotatedJavaPackage()
28         experimentalObject.method()
29     }
30 
31     /** Safe call due to propagation of experimental marker. */
32     @ExperimentalJavaAnnotation
callPackageExperimentalnull33     fun callPackageExperimental() {
34         val experimentalObject = AnnotatedJavaPackage()
35         experimentalObject.method()
36     }
37 
38     /** Safe call due to opt-in to experimental marker. */
39     @OptIn(ExperimentalJavaAnnotation::class)
callPackageUseExperimentalnull40     fun callPackageUseExperimental() {
41         val experimentalObject = AnnotatedJavaPackage()
42         experimentalObject.method()
43     }
44 
45     /**
46      * Unsafe call into a method with an unsafe call. This should not be flagged, as the called
47      * method itself is not experimental.
48      */
callSelfUnsafenull49     fun callSelfUnsafe() {
50         callPackageUnsafe()
51     }
52 
53     /** Unsafe call into an experimental method within this class. */
callSelfExperimentalnull54     fun callSelfExperimental() {
55         callPackageExperimental()
56     }
57 
58     /** Safe call into an opted-in method within this class. */
callSelfUseExperimentalnull59     fun callSelfUseExperimental() {
60         callPackageUseExperimental()
61     }
62 }
63