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// Copyright 2018 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 java
import (
"android/soong/android"
"github.com/google/blueprint"
)
//
// AAR (android library) prebuilts
//
func init() {
android.RegisterModuleType("android_library_import", AARImportFactory)
}
type AARImportProperties struct {
Aars []string
Sdk_version *string
}
type AARImport struct {
android.ModuleBase
prebuilt android.Prebuilt
properties AARImportProperties
classpathFile android.WritablePath
proguardFlags android.WritablePath
exportPackage android.WritablePath
}
func (a *AARImport) Prebuilt() *android.Prebuilt {
return &a.prebuilt
}
func (a *AARImport) Name() string {
return a.prebuilt.Name(a.ModuleBase.Name())
}
func (a *AARImport) DepsMutator(ctx android.BottomUpMutatorContext) {
// TODO: this should use decodeSdkDep once that knows about current
if !ctx.Config().UnbundledBuild() {
switch String(a.properties.Sdk_version) { // TODO: Res_sdk_version?
case "current", "system_current", "test_current", "":
ctx.AddDependency(ctx.Module(), frameworkResTag, "framework-res")
}
}
}
// Unzip an AAR into its constituent files and directories. Any files in Outputs that don't exist in the AAR will be
// touched to create an empty file, and any directories in $expectedDirs will be created.
var unzipAAR = pctx.AndroidStaticRule("unzipAAR",
blueprint.RuleParams{
Command: `rm -rf $outDir && mkdir -p $outDir $expectedDirs && ` +
`unzip -qo -d $outDir $in && touch $out`,
},
"expectedDirs", "outDir")
func (a *AARImport) GenerateAndroidBuildActions(ctx android.ModuleContext) {
if len(a.properties.Aars) != 1 {
ctx.PropertyErrorf("aars", "exactly one aar is required")
return
}
aar := android.PathForModuleSrc(ctx, a.properties.Aars[0])
extractedAARDir := android.PathForModuleOut(ctx, "aar")
extractedResDir := extractedAARDir.Join(ctx, "res")
a.classpathFile = extractedAARDir.Join(ctx, "classes.jar")
a.proguardFlags = extractedAARDir.Join(ctx, "proguard.txt")
manifest := extractedAARDir.Join(ctx, "AndroidManifest.xml")
ctx.Build(pctx, android.BuildParams{
Rule: unzipAAR,
Input: aar,
Outputs: android.WritablePaths{a.classpathFile, a.proguardFlags, manifest},
Description: "unzip AAR",
Args: map[string]string{
"expectedDirs": extractedResDir.String(),
"outDir": extractedAARDir.String(),
},
})
compiledResDir := android.PathForModuleOut(ctx, "flat-res")
aaptCompileDeps := android.Paths{a.classpathFile}
aaptCompileDirs := android.Paths{extractedResDir}
flata := compiledResDir.Join(ctx, "gen_res.flata")
aapt2CompileDirs(ctx, flata, aaptCompileDirs, aaptCompileDeps)
a.exportPackage = android.PathForModuleOut(ctx, "package-res.apk")
srcJar := android.PathForModuleGen(ctx, "R.jar")
proguardOptionsFile := android.PathForModuleGen(ctx, "proguard.options")
var linkDeps android.Paths
linkFlags := []string{
"--static-lib",
"--no-static-lib-packages",
"--auto-add-overlay",
}
linkFlags = append(linkFlags, "--manifest "+manifest.String())
linkDeps = append(linkDeps, manifest)
// Include dirs
ctx.VisitDirectDeps(func(module android.Module) {
var depFiles android.Paths
if javaDep, ok := module.(Dependency); ok {
// TODO: shared android libraries
if ctx.OtherModuleName(module) == "framework-res" {
depFiles = android.Paths{javaDep.(*AndroidApp).exportPackage}
}
}
for _, dep := range depFiles {
linkFlags = append(linkFlags, "-I "+dep.String())
}
linkDeps = append(linkDeps, depFiles...)
})
sdkDep := decodeSdkDep(ctx, String(a.properties.Sdk_version))
if sdkDep.useFiles {
linkFlags = append(linkFlags, "-I "+sdkDep.jar.String())
linkDeps = append(linkDeps, sdkDep.jar)
}
aapt2Link(ctx, a.exportPackage, srcJar, proguardOptionsFile,
linkFlags, linkDeps, nil, android.Paths{flata})
}
var _ Dependency = (*AARImport)(nil)
func (a *AARImport) HeaderJars() android.Paths {
return android.Paths{a.classpathFile}
}
func (a *AARImport) ImplementationJars() android.Paths {
return android.Paths{a.classpathFile}
}
func (a *AARImport) AidlIncludeDirs() android.Paths {
return nil
}
var _ android.PrebuiltInterface = (*Import)(nil)
func AARImportFactory() android.Module {
module := &AARImport{}
module.AddProperties(&module.properties)
android.InitPrebuiltModule(module, &module.properties.Aars)
android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibCommon)
return module
}
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