// Copyright (C) 2019 The Android Open Source Project // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package java // This file contains a map to redirect dependencies towards sysprop_library. If a sysprop_library // is owned by Platform, and the client module links against system API, the public stub of the // sysprop_library should be used. The map will contain public stub names of sysprop_libraries. import ( "sync" "android/soong/android" ) type syspropLibraryInterface interface { BaseModuleName() string Owner() string HasPublicStub() bool JavaPublicStubName() string } var ( syspropPublicStubsKey = android.NewOnceKey("syspropPublicStubsJava") syspropPublicStubsLock sync.Mutex ) func init() { android.PreDepsMutators(func(ctx android.RegisterMutatorsContext) { ctx.BottomUp("sysprop_java", SyspropMutator).Parallel() }) } func syspropPublicStubs(config android.Config) map[string]string { return config.Once(syspropPublicStubsKey, func() interface{} { return make(map[string]string) }).(map[string]string) } // gather list of sysprop libraries owned by platform. func SyspropMutator(mctx android.BottomUpMutatorContext) { if m, ok := mctx.Module().(syspropLibraryInterface); ok { if m.Owner() != "Platform" || !m.HasPublicStub() { return } syspropPublicStubs := syspropPublicStubs(mctx.Config()) syspropPublicStubsLock.Lock() defer syspropPublicStubsLock.Unlock() syspropPublicStubs[m.BaseModuleName()] = m.JavaPublicStubName() } }