// Copyright 2018 Google Inc. All rights reserved.
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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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import (
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"encoding/json"
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"fmt"
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"os"
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"android/soong/android"
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)
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// This singleton generates android java dependency into to a json file. It does so for each
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// blueprint Android.bp resulting in a java.Module when either make, mm, mma, mmm or mmma is
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// called. Dependency info file is generated in $OUT/module_bp_java_depend.json.
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func init() {
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android.RegisterSingletonType("jdeps_generator", jDepsGeneratorSingleton)
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}
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func jDepsGeneratorSingleton() android.Singleton {
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return &jdepsGeneratorSingleton{}
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}
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type jdepsGeneratorSingleton struct {
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}
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const (
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// Environment variables used to modify behavior of this singleton.
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envVariableCollectJavaDeps = "SOONG_COLLECT_JAVA_DEPS"
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jdepsJsonFileName = "module_bp_java_deps.json"
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)
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func (j *jdepsGeneratorSingleton) GenerateBuildActions(ctx android.SingletonContext) {
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if !ctx.Config().IsEnvTrue(envVariableCollectJavaDeps) {
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return
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}
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moduleInfos := make(map[string]android.IdeInfo)
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ctx.VisitAllModules(func(module android.Module) {
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if !module.Enabled() {
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return
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}
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ideInfoProvider, ok := module.(android.IDEInfo)
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if !ok {
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return
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}
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name := ideInfoProvider.BaseModuleName()
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ideModuleNameProvider, ok := module.(android.IDECustomizedModuleName)
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if ok {
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name = ideModuleNameProvider.IDECustomizedModuleName()
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}
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dpInfo := moduleInfos[name]
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ideInfoProvider.IDEInfo(&dpInfo)
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dpInfo.Deps = android.FirstUniqueStrings(dpInfo.Deps)
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dpInfo.Srcs = android.FirstUniqueStrings(dpInfo.Srcs)
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dpInfo.Aidl_include_dirs = android.FirstUniqueStrings(dpInfo.Aidl_include_dirs)
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dpInfo.Jarjar_rules = android.FirstUniqueStrings(dpInfo.Jarjar_rules)
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dpInfo.Jars = android.FirstUniqueStrings(dpInfo.Jars)
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moduleInfos[name] = dpInfo
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mkProvider, ok := module.(android.AndroidMkDataProvider)
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if !ok {
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return
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}
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data := mkProvider.AndroidMk()
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if data.Class != "" {
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dpInfo.Classes = append(dpInfo.Classes, data.Class)
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}
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if dep, ok := module.(Dependency); ok {
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dpInfo.Installed_paths = append(dpInfo.Installed_paths, dep.ImplementationJars().Strings()...)
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}
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dpInfo.Classes = android.FirstUniqueStrings(dpInfo.Classes)
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dpInfo.Installed_paths = android.FirstUniqueStrings(dpInfo.Installed_paths)
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moduleInfos[name] = dpInfo
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})
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jfpath := android.PathForOutput(ctx, jdepsJsonFileName).String()
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err := createJsonFile(moduleInfos, jfpath)
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if err != nil {
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ctx.Errorf(err.Error())
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}
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}
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func createJsonFile(moduleInfos map[string]android.IdeInfo, jfpath string) error {
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file, err := os.Create(jfpath)
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if err != nil {
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return fmt.Errorf("Failed to create file: %s, relative: %v", jdepsJsonFileName, err)
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}
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defer file.Close()
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buf, err := json.MarshalIndent(moduleInfos, "", "\t")
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if err != nil {
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return fmt.Errorf("Write file failed: %s, relative: %v", jdepsJsonFileName, err)
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}
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fmt.Fprintf(file, string(buf))
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return nil
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}
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