Add container property to aconfig_declarations.
Bug: 311155208
Test: Unit test
Change-Id: I7b187138856d0144203961e82b6dad5e2f8eed9d
diff --git a/aconfig/codegen/java_aconfig_library.go b/aconfig/codegen/java_aconfig_library.go
new file mode 100644
index 0000000..e2fb15b
--- /dev/null
+++ b/aconfig/codegen/java_aconfig_library.go
@@ -0,0 +1,155 @@
+// Copyright 2023 Google Inc. All rights reserved.
+//
+// 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 codegen
+
+import (
+ "fmt"
+
+ "android/soong/aconfig"
+ "android/soong/android"
+ "android/soong/bazel"
+ "android/soong/java"
+ "github.com/google/blueprint"
+ "github.com/google/blueprint/proptools"
+)
+
+type declarationsTagType struct {
+ blueprint.BaseDependencyTag
+}
+
+var declarationsTag = declarationsTagType{}
+
+var aconfigSupportedModes = []string{"production", "test", "exported"}
+
+type JavaAconfigDeclarationsLibraryProperties struct {
+ // name of the aconfig_declarations module to generate a library for
+ Aconfig_declarations string
+
+ // default mode is "production", the other accepted modes are:
+ // "test": to generate test mode version of the library
+ // "exported": to generate exported mode version of the library
+ // an error will be thrown if the mode is not supported
+ Mode *string
+}
+
+type JavaAconfigDeclarationsLibraryCallbacks struct {
+ properties JavaAconfigDeclarationsLibraryProperties
+}
+
+func JavaDeclarationsLibraryFactory() android.Module {
+ callbacks := &JavaAconfigDeclarationsLibraryCallbacks{}
+ return java.GeneratedJavaLibraryModuleFactory("java_aconfig_library", callbacks, &callbacks.properties)
+}
+
+func (callbacks *JavaAconfigDeclarationsLibraryCallbacks) DepsMutator(module *java.GeneratedJavaLibraryModule, ctx android.BottomUpMutatorContext) {
+ declarations := callbacks.properties.Aconfig_declarations
+ if len(declarations) == 0 {
+ // TODO: Add test for this case
+ ctx.PropertyErrorf("aconfig_declarations", "aconfig_declarations property required")
+ } else {
+ ctx.AddDependency(ctx.Module(), declarationsTag, declarations)
+ }
+
+ // Add aconfig-annotations-lib as a dependency for the optimization / code stripping annotations
+ module.AddSharedLibrary("aconfig-annotations-lib")
+ // TODO(b/303773055): Remove the annotation after access issue is resolved.
+ module.AddSharedLibrary("unsupportedappusage")
+}
+
+func (callbacks *JavaAconfigDeclarationsLibraryCallbacks) GenerateSourceJarBuildActions(module *java.GeneratedJavaLibraryModule, ctx android.ModuleContext) android.Path {
+ // Get the values that came from the global RELEASE_ACONFIG_VALUE_SETS flag
+ declarationsModules := ctx.GetDirectDepsWithTag(declarationsTag)
+ if len(declarationsModules) != 1 {
+ panic(fmt.Errorf("Exactly one aconfig_declarations property required"))
+ }
+ declarations := ctx.OtherModuleProvider(declarationsModules[0], aconfig.DeclarationsProviderKey).(aconfig.DeclarationsProviderData)
+
+ // Generate the action to build the srcjar
+ srcJarPath := android.PathForModuleGen(ctx, ctx.ModuleName()+".srcjar")
+
+ mode := proptools.StringDefault(callbacks.properties.Mode, "production")
+ if !isModeSupported(mode) {
+ ctx.PropertyErrorf("mode", "%q is not a supported mode", mode)
+ }
+
+ ctx.Build(pctx, android.BuildParams{
+ Rule: javaRule,
+ Input: declarations.IntermediatePath,
+ Output: srcJarPath,
+ Description: "aconfig.srcjar",
+ Args: map[string]string{
+ "mode": mode,
+ },
+ })
+
+ return srcJarPath
+}
+
+func isModeSupported(mode string) bool {
+ return android.InList(mode, aconfigSupportedModes)
+}
+
+type bazelJavaAconfigLibraryAttributes struct {
+ Aconfig_declarations bazel.LabelAttribute
+ Sdk_version *string
+ Libs bazel.LabelListAttribute
+}
+
+func (callbacks *JavaAconfigDeclarationsLibraryCallbacks) Bp2build(ctx android.Bp2buildMutatorContext, module *java.GeneratedJavaLibraryModule) {
+ if ctx.ModuleType() != "java_aconfig_library" {
+ return
+ }
+
+ // By default, soong builds the aconfig java library with private_current, however
+ // bazel currently doesn't support it so we default it to system_current. One reason
+ // is that the dependency of all java_aconfig_library aconfig-annotations-lib is
+ // built with system_current. For the java aconfig library itself it doesn't really
+ // matter whether it uses private API or system API because the only module it uses
+ // is DeviceConfig which is in system, and the rdeps of the java aconfig library
+ // won't change its sdk version either, so this should be fine.
+ // Ideally we should only use the default value if it is not set by the user, but
+ // bazel only supports a limited sdk versions, for example, the java_aconfig_library
+ // modules in framework/base use core_platform which is not supported by bazel yet.
+ // TODO(b/302148527): change soong to default to system_current as well.
+ sdkVersion := "system_current"
+
+ var libs bazel.LabelListAttribute
+ archVariantProps := module.GetArchVariantProperties(ctx, &java.CommonProperties{})
+ for axis, configToProps := range archVariantProps {
+ for config, p := range configToProps {
+ if archProps, ok := p.(*java.CommonProperties); ok {
+ var libLabels []bazel.Label
+ for _, d := range archProps.Libs {
+ neverlinkLabel := android.BazelLabelForModuleDepSingle(ctx, d)
+ neverlinkLabel.Label = neverlinkLabel.Label + "-neverlink"
+ libLabels = append(libLabels, neverlinkLabel)
+ }
+ libs.SetSelectValue(axis, config, (bazel.MakeLabelList(libLabels)))
+ }
+ }
+ }
+
+ attrs := bazelJavaAconfigLibraryAttributes{
+ Aconfig_declarations: *bazel.MakeLabelAttribute(android.BazelLabelForModuleDepSingle(ctx, callbacks.properties.Aconfig_declarations).Label),
+ Sdk_version: &sdkVersion,
+ Libs: libs,
+ }
+ props := bazel.BazelTargetModuleProperties{
+ Rule_class: "java_aconfig_library",
+ Bzl_load_location: "//build/bazel/rules/java:java_aconfig_library.bzl",
+ }
+
+ ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: ctx.ModuleName()}, &attrs)
+}