java_sdk_library: Only expose impl jars when they are built am: daaa332827

Change-Id: I18f5be5e66fca6c1185b5c3f92d790a2fee8b3c2

java/java_test.go

@@ -19,6 +19,7 @@ import (
 	"os"
 	"path/filepath"
 	"reflect"
+	"regexp"
 	"sort"
 	"strconv"
 	"strings"
@@ -1261,6 +1262,31 @@ func TestJavaSdkLibrary(t *testing.T) {
 	}
 }
 
+func TestJavaSdkLibrary_DoNotAccessImplWhenItIsNotBuilt(t *testing.T) {
+	ctx, _ := testJava(t, `
+		java_sdk_library {
+			name: "foo",
+			srcs: ["a.java"],
+			api_only: true,
+			public: {
+				enabled: true,
+			},
+		}
+
+		java_library {
+			name: "bar",
+			srcs: ["b.java"],
+			libs: ["foo"],
+		}
+		`)
+
+	// The bar library should depend on the stubs jar.
+	barLibrary := ctx.ModuleForTests("bar", "android_common").Rule("javac")
+	if expected, actual := `^-classpath .*:/[^:]*/turbine-combined/foo\.stubs\.jar$`, barLibrary.Args["classpath"]; !regexp.MustCompile(expected).MatchString(actual) {
+		t.Errorf("expected %q, found %#q", expected, actual)
+	}
+}
+
 func TestJavaSdkLibrary_UseSourcesFromAnotherSdkLibrary(t *testing.T) {
 	testJava(t, `
 		java_sdk_library {

java/sdk_library.go

@@ -1295,15 +1295,18 @@ func PrebuiltJars(ctx android.BaseModuleContext, baseName string, s sdkSpec) and
 
 func (module *SdkLibrary) sdkJars(ctx android.BaseModuleContext, sdkVersion sdkSpec, headerJars bool) android.Paths {
 
-	// Check any special cases for java_sdk_library.
-	//
-	// Only allow access to the implementation library in the following condition:
-	// * No sdk_version specified on the referencing module.
-	if sdkVersion.kind == sdkPrivate {
-		if headerJars {
-			return module.HeaderJars()
-		} else {
-			return module.ImplementationJars()
+	// Only provide access to the implementation library if it is actually built.
+	if module.requiresRuntimeImplementationLibrary() {
+		// Check any special cases for java_sdk_library.
+		//
+		// Only allow access to the implementation library in the following condition:
+		// * No sdk_version specified on the referencing module.
+		if sdkVersion.kind == sdkPrivate {
+			if headerJars {
+				return module.HeaderJars()
+			} else {
+				return module.ImplementationJars()
+			}
 		}
 	}