Add default_to_stubs option to java_sdk_library am: 27fc414b84 (285258b8) · Commits · e / os / android_build_soong

java/java_test.go

+27 −0

Original line number	Diff line number	Diff line
		@@ -1465,6 +1465,33 @@ func TestJavaSdkLibrary_FallbackScope(t *testing.T) {
		`)
		}

		func TestJavaSdkLibrary_DefaultToStubs(t *testing.T) {
		ctx, _ := testJava(t, `
		java_sdk_library {
		name: "foo",
		srcs: ["a.java"],
		system: {
		enabled: true,
		},
		default_to_stubs: true,
		}

		java_library {
		name: "baz",
		srcs: ["a.java"],
		libs: ["foo"],
		// does not have sdk_version set, should fallback to module,
		// which will then fallback to system because the module scope
		// is not enabled.
		}
		`)
		// The baz library should depend on the system stubs jar.
		bazLibrary := ctx.ModuleForTests("baz", "android_common").Rule("javac")
		if expected, actual := `^-classpath .:/[^:]/turbine-combined/foo\.stubs.system\.jar$`, bazLibrary.Args["classpath"]; !regexp.MustCompile(expected).MatchString(actual) {
		t.Errorf("expected %q, found %#q", expected, actual)
		}
		}

		var compilerFlagsTestCases = []struct {
		in string
		out bool

java/sdk_library.go

+19 −0

Original line number	Diff line number	Diff line
		@@ -438,6 +438,14 @@ type sdkLibraryProperties struct {
		// disabled by default.
		Module_lib ApiScopeProperties

		// Determines if the stubs are preferred over the implementation library
		// for linking, even when the client doesn't specify sdk_version. When this
		// is set to true, such clients are provided with the widest API surface that
		// this lib provides. Note however that this option doesn't affect the clients
		// that are in the same APEX as this library. In that case, the clients are
		// always linked with the implementation library. Default is false.
		Default_to_stubs *bool

		// Properties related to api linting.
		Api_lint struct {
		// Enable api linting.
		@@ -1354,6 +1362,13 @@ func (module *SdkLibrary) withinSameApexAs(other android.Module) bool {
		}

		func (module *SdkLibrary) sdkJars(ctx android.BaseModuleContext, sdkVersion sdkSpec, headerJars bool) android.Paths {
		// If the client doesn't set sdk_version, but if this library prefers stubs over
		// the impl library, let's provide the widest API surface possible. To do so,
		// force override sdk_version to module_current so that the closest possible API
		// surface could be found in selectHeaderJarsForSdkVersion
		if module.defaultsToStubs() && !sdkVersion.specified() {
		sdkVersion = sdkSpecFrom("module_current")
		}

		// Only provide access to the implementation library if it is actually built.
		if module.requiresRuntimeImplementationLibrary() {
		@@ -1517,6 +1532,10 @@ func (module *SdkLibrary) requiresRuntimeImplementationLibrary() bool {
		return !proptools.Bool(module.sdkLibraryProperties.Api_only)
		}

		func (module *SdkLibrary) defaultsToStubs() bool {
		return proptools.Bool(module.sdkLibraryProperties.Default_to_stubs)
		}

		// Defines how to name the individual component modules the sdk library creates.
		type sdkLibraryComponentNamingScheme interface {
		stubsLibraryModuleName(scope *apiScope, baseName string) string