Merge "Fix stem to be propagated to output jar name in java_library" into main

java/aar.go

@@ -611,6 +611,8 @@ func (a *AndroidLibrary) GenerateAndroidBuildActions(ctx android.ModuleContext)
 
 	a.hideApexVariantFromMake = !ctx.Provider(android.ApexInfoProvider).(android.ApexInfo).IsForPlatform()
 
+	a.stem = proptools.StringDefault(a.overridableDeviceProperties.Stem, ctx.ModuleName())
+
 	ctx.CheckbuildFile(a.proguardOptionsFile)
 	ctx.CheckbuildFile(a.exportPackage)
 	ctx.CheckbuildFile(a.aaptSrcJar)

java/androidmk.go

@@ -455,11 +455,6 @@ func (a *AndroidApp) getOverriddenPackages() []string {
 	if len(a.overridableAppProperties.Overrides) > 0 {
 		overridden = append(overridden, a.overridableAppProperties.Overrides...)
 	}
-	// When APK name is overridden via PRODUCT_PACKAGE_NAME_OVERRIDES
-	// ensure that the original name is overridden.
-	if a.Stem() != a.installApkName {
-		overridden = append(overridden, a.Stem())
-	}
 	return overridden
 }
 

java/app.go

@@ -666,8 +666,17 @@ func (a *AndroidApp) generateAndroidBuildActions(ctx android.ModuleContext) {
 	a.aapt.useEmbeddedNativeLibs = a.useEmbeddedNativeLibs(ctx)
 	a.aapt.useEmbeddedDex = Bool(a.appProperties.Use_embedded_dex)
 
+	// Unlike installApkName, a.stem should respect base module name for override_android_app.
+	// Therefore, use ctx.ModuleName() instead of a.Name().
+	a.stem = proptools.StringDefault(a.overridableDeviceProperties.Stem, ctx.ModuleName())
+
 	// Check if the install APK name needs to be overridden.
-	a.installApkName = ctx.DeviceConfig().OverridePackageNameFor(a.Stem())
+	// Both android_app and override_android_app module are expected to possess
+	// its module bound apk path. However, override_android_app inherits ctx.ModuleName()
+	// from the base module. Therefore, use a.Name() which represents
+	// the module name for both android_app and override_android_app.
+	a.installApkName = ctx.DeviceConfig().OverridePackageNameFor(
+		proptools.StringDefault(a.overridableDeviceProperties.Stem, a.Name()))
 
 	if ctx.ModuleName() == "framework-res" {
 		// framework-res.apk is installed as system/framework/framework-res.apk

java/base.go

@@ -21,6 +21,7 @@ import (
 	"strings"
 
 	"android/soong/ui/metrics/bp2build_metrics_proto"
+
 	"github.com/google/blueprint/pathtools"
 	"github.com/google/blueprint/proptools"
 
@@ -502,6 +503,11 @@ type Module struct {
 	sourceExtensions []string
 
 	annoSrcJars android.Paths
+
+	// output file name based on Stem property.
+	// This should be set in every ModuleWithStem's GenerateAndroidBuildActions
+	// or the module should override Stem().
+	stem string
 }
 
 func (j *Module) CheckStableSdkVersion(ctx android.BaseModuleContext) error {
@@ -1099,7 +1105,7 @@ func (j *Module) compile(ctx android.ModuleContext, aaptSrcJar android.Path) {
 		j.expandJarjarRules = android.PathForModuleSrc(ctx, *j.properties.Jarjar_rules)
 	}
 
-	jarName := ctx.ModuleName() + ".jar"
+	jarName := j.Stem() + ".jar"
 
 	var uniqueJavaFiles android.Paths
 	set := make(map[string]bool)
@@ -1897,7 +1903,10 @@ func (j *Module) ShouldSupportSdkVersion(ctx android.BaseModuleContext, sdkVersi
 }
 
 func (j *Module) Stem() string {
-	return proptools.StringDefault(j.overridableDeviceProperties.Stem, j.Name())
+	if j.stem == "" {
+		panic("Stem() called before stem property was set")
+	}
+	return j.stem
 }
 
 func (j *Module) JacocoReportClassesFile() android.Path {

java/java.go

@@ -676,6 +676,8 @@ func (j *Library) GenerateAndroidBuildActions(ctx android.ModuleContext) {
 	j.minSdkVersion = j.MinSdkVersion(ctx)
 	j.maxSdkVersion = j.MaxSdkVersion(ctx)
 
+	j.stem = proptools.StringDefault(j.overridableDeviceProperties.Stem, ctx.ModuleName())
+
 	apexInfo := ctx.Provider(android.ApexInfoProvider).(android.ApexInfo)
 	if !apexInfo.IsForPlatform() {
 		j.hideApexVariantFromMake = true
@@ -1468,6 +1470,8 @@ func (j *Binary) HostToolPath() android.OptionalPath {
 }
 
 func (j *Binary) GenerateAndroidBuildActions(ctx android.ModuleContext) {
+	j.stem = proptools.StringDefault(j.overridableDeviceProperties.Stem, ctx.ModuleName())
+
 	if ctx.Arch().ArchType == android.Common {
 		// Compile the jar
 		if j.binaryProperties.Main_class != nil {

java/java_test.go

@@ -2351,3 +2351,22 @@ func TestJavaExcludeStaticLib(t *testing.T) {
 		`stable.core.platform.api.stubs`,
 	})
 }
+
+func TestJavaLibraryWithResourcesStem(t *testing.T) {
+	ctx, _ := testJavaWithFS(t, `
+    java_library {
+        name: "foo",
+        java_resource_dirs: ["test-jar"],
+        stem: "test",
+    }
+    `,
+		map[string][]byte{
+			"test-jar/test/resource.txt": nil,
+		})
+
+	m := ctx.ModuleForTests("foo", "android_common")
+	outputs := fmt.Sprint(m.AllOutputs())
+	if !strings.Contains(outputs, "test.jar") {
+		t.Errorf("Module output does not contain expected jar %s", "test.jar")
+	}
+}