Merge "Update droidstubs to support putting action inputs/outputs into the module-graph.json." am: f4bf09feba

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/1940894

Change-Id: I1bc52c298cf5cd6dc13198559c6358df9d2648cf

java/droidstubs.go

@@ -19,6 +19,7 @@ import (
 	"path/filepath"
 	"strings"
 
+	"github.com/google/blueprint"
 	"github.com/google/blueprint/proptools"
 
 	"android/soong/android"
@@ -806,7 +807,8 @@ type PrebuiltStubsSources struct {
 
 	properties PrebuiltStubsSourcesProperties
 
-	stubsSrcJar android.Path
+	stubsSrcJar     android.Path
+	jsonDataActions []blueprint.JSONDataAction
 }
 
 func (p *PrebuiltStubsSources) OutputFiles(tag string) (android.Paths, error) {
@@ -822,6 +824,13 @@ func (d *PrebuiltStubsSources) StubsSrcJar() android.Path {
 	return d.stubsSrcJar
 }
 
+// AddJSONData is a temporary solution for droidstubs module to put action
+// related data into the module json graph.
+func (p *PrebuiltStubsSources) AddJSONData(d *map[string]interface{}) {
+	p.ModuleBase.AddJSONData(d)
+	(*d)["Actions"] = blueprint.FormatJSONDataActions(p.jsonDataActions)
+}
+
 func (p *PrebuiltStubsSources) GenerateAndroidBuildActions(ctx android.ModuleContext) {
 	if len(p.properties.Srcs) != 1 {
 		ctx.PropertyErrorf("srcs", "must only specify one directory path or srcjar, contains %d paths", len(p.properties.Srcs))
@@ -829,9 +838,12 @@ func (p *PrebuiltStubsSources) GenerateAndroidBuildActions(ctx android.ModuleCon
 	}
 
 	src := p.properties.Srcs[0]
+	var jsonDataAction blueprint.JSONDataAction
 	if filepath.Ext(src) == ".srcjar" {
 		// This is a srcjar. We can use it directly.
 		p.stubsSrcJar = android.PathForModuleSrc(ctx, src)
+		jsonDataAction.Inputs = []string{src}
+		jsonDataAction.Outputs = []string{src}
 	} else {
 		outPath := android.PathForModuleOut(ctx, ctx.ModuleName()+"-"+"stubs.srcjar")
 
@@ -855,7 +867,10 @@ func (p *PrebuiltStubsSources) GenerateAndroidBuildActions(ctx android.ModuleCon
 		rule.Restat()
 		rule.Build("zip src", "Create srcjar from prebuilt source")
 		p.stubsSrcJar = outPath
+		jsonDataAction.Inputs = srcPaths.Strings()
+		jsonDataAction.Outputs = []string{outPath.String()}
 	}
+	p.jsonDataActions = []blueprint.JSONDataAction{jsonDataAction}
 }
 
 func (p *PrebuiltStubsSources) Prebuilt() *android.Prebuilt {

java/droidstubs_test.go

@@ -21,6 +21,8 @@ import (
 	"strings"
 	"testing"
 
+	"github.com/google/blueprint"
+
 	"android/soong/android"
 )
 
@@ -232,6 +234,30 @@ func TestDroidstubsWithSystemModules(t *testing.T) {
 	checkSystemModulesUseByDroidstubs(t, ctx, "stubs-prebuilt-system-modules", "prebuilt-jar.jar")
 }
 
+func TestAddJSONData(t *testing.T) {
+	prebuiltStubsSources := PrebuiltStubsSources{}
+	prebuiltStubsSources.jsonDataActions = []blueprint.JSONDataAction{
+		blueprint.JSONDataAction{
+			Inputs:  []string{},
+			Outputs: []string{},
+		},
+	}
+	jsonData := map[string]interface{}{}
+	prebuiltStubsSources.AddJSONData(&jsonData)
+	if fmt.Sprint(jsonData) != fmt.Sprint(
+		map[string]interface{}{
+			"Android": map[string]interface{}{},
+			"Actions": []map[string]interface{}{
+				map[string]interface{}{
+					"Inputs":  []string{},
+					"Outputs": []string{},
+				},
+			},
+		}) {
+		t.Errorf("The JSON data map isn't as expected %s.", jsonData)
+	}
+}
+
 func checkSystemModulesUseByDroidstubs(t *testing.T, ctx *android.TestContext, moduleName string, systemJar string) {
 	metalavaRule := ctx.ModuleForTests(moduleName, "android_common").Rule("metalava")
 	var systemJars []string