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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 (
"encoding/json"
"fmt"
"android/soong/android"
)
// This singleton generates android java dependency into
to a json
file. It does so for each
// blueprint Android.bp resulting
in a java.
Module when either make, mm, mma, mmm or mmma is
// called. Dependency info
file is generated
in $
OUT/module_bp_java_depend.json.
func init() {
android.RegisterParallelSingletonType(
"jdeps_generator", jDepsGeneratorSingleton)
}
func jDepsGeneratorSingleton() android.Singleton {
return &jdepsGeneratorSingleton{}
}
type jdepsGeneratorSingleton struct {
outputPath android.Path
}
const (
jdepsJsonFileName =
"module_bp_java_deps.json"
)
func (j *jdepsGeneratorSingleton) GenerateBuildActions(ctx android.SingletonContext)
{
// (b/204397180) Generate module_bp_java_deps.json by default.
moduleInfos := make(map[string]android.IdeInfo)
ctx.VisitAllModuleProxies(func(module android.ModuleProxy) {
commonInfo := android.OtherModulePointerProviderOrDefault(ctx, module, android.CommonModuleInfoProvider)
if !commonInfo.Enabled {
return
}
// Prevent including both prebuilts and matching source modules when one replaces the other.
if !android.IsModulePreferredProxy(ctx, module) {
return
}
ideInfoProvider := commonInfo.IdeInfo
if ideInfoProvider == nil {
return
}
name := ideInfoProvider.BaseModuleName
if info, ok := android.OtherModuleProvider(ctx, module, JavaLibraryInfoProvider); ok && info.Prebuilt {
// TODO(b/113562217): Extract the base module name from the Import name, often the Import name
// has a prefix "prebuilt_". Remove the prefix explicitly if needed until we find a better
// solution to get the Import name.
name = android.RemoveOptionalPrebuiltPrefix(module.Name())
}
dpInfo := moduleInfos[name]
dpInfo = dpInfo.Merge(ideInfoProvider)
dpInfo.Paths = []string{ctx.ModuleDir(module)}
moduleInfos[name] = dpInfo
mkProvider := commonInfo.AndroidMkData
if mkProvider == nil {
return
}
if mkProvider.Class != "" {
dpInfo.Classes = append(dpInfo.Classes, mkProvider.Class)
}
if dep, ok := android.OtherModuleProvider(ctx, module, JavaInfoProvider); ok {
dpInfo.Installed_paths = append(dpInfo.Installed_paths, dep.ImplementationJars.Strings()...)
}
dpInfo.Classes = android.FirstUniqueStrings(dpInfo.Classes)
dpInfo.Installed_paths = android.FirstUniqueStrings(dpInfo.Installed_paths)
moduleInfos[name] = dpInfo
})
jfpath := android.PathForOutput(ctx, jdepsJsonFileName)
err := createJsonFile(moduleInfos, jfpath)
if err != nil {
ctx.Errorf(err.Error())
}
j.outputPath = jfpath
// This is necessary to satisfy the dangling rules check as this file is written by Soong rather than a rule.
ctx.Build(pctx, android.BuildParams{
Rule: android.TouchRule,
Output: jfpath,
})
ctx.DistForGoals([]string{"general-tests", "dist_files", "module-info"}, j.outputPath)
}
func createJsonFile(moduleInfos map[string]android.IdeInfo, jfpath android.WritablePath) error {
buf, err := json.MarshalIndent(moduleInfos, "", "\t")
if err != nil {
return fmt.Errorf("JSON marshal of java deps failed: %s", err)
}
err = android.WriteFileToOutputDir(jfpath, buf, 0666)
if err != nil {
return fmt.Errorf("Writing java deps to %s failed: %s", jfpath.String(), err)
}
return nil
}