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