java_import can be included in apex

java_import can be included in apex via 'java_libs' property.

Bug: 139175488
Test: m (apex_test.go updated)
Change-Id: I3680a47cdac93b0cb2d41da8df3f8defa2bbe670

android/module.go

@@ -71,6 +71,7 @@ type BaseModuleContext interface {
 	OtherModuleErrorf(m blueprint.Module, fmt string, args ...interface{})
 	OtherModuleDependencyTag(m blueprint.Module) blueprint.DependencyTag
 	OtherModuleExists(name string) bool
+	OtherModuleType(m blueprint.Module) string
 
 	GetDirectDepsWithTag(tag blueprint.DependencyTag) []Module
 	GetDirectDepWithTag(name string, tag blueprint.DependencyTag) blueprint.Module

apex/apex.go

@@ -740,6 +740,18 @@ func getCopyManifestForJavaLibrary(java *java.Library) (fileToCopy android.Path,
 	return
 }
 
+func getCopyManifestForPrebuiltJavaLibrary(java *java.Import) (fileToCopy android.Path, dirInApex string) {
+	dirInApex = "javalib"
+	// The output is only one, but for some reason, ImplementationJars returns Paths, not Path
+	implJars := java.ImplementationJars()
+	if len(implJars) != 1 {
+		panic(fmt.Errorf("java.ImplementationJars() must return single Path, but got: %s",
+			strings.Join(implJars.Strings(), ", ")))
+	}
+	fileToCopy = implJars[0]
+	return
+}
+
 func getCopyManifestForPrebuiltEtc(prebuilt *android.PrebuiltEtc) (fileToCopy android.Path, dirInApex string) {
 	dirInApex = filepath.Join("etc", prebuilt.SubDir())
 	fileToCopy = prebuilt.OutputFile()
@@ -833,16 +845,24 @@ func (a *apexBundle) GenerateAndroidBuildActions(ctx android.ModuleContext) {
 					ctx.PropertyErrorf("binaries", "%q is neither cc_binary, (embedded) py_binary, (host) blueprint_go_binary, (host) bootstrap_go_binary, nor sh_binary", depName)
 				}
 			case javaLibTag:
-				if java, ok := child.(*java.Library); ok {
-					fileToCopy, dirInApex := getCopyManifestForJavaLibrary(java)
+				if javaLib, ok := child.(*java.Library); ok {
+					fileToCopy, dirInApex := getCopyManifestForJavaLibrary(javaLib)
 					if fileToCopy == nil {
 						ctx.PropertyErrorf("java_libs", "%q is not configured to be compiled into dex", depName)
 					} else {
-						filesInfo = append(filesInfo, apexFile{fileToCopy, depName, dirInApex, javaSharedLib, java, nil})
+						filesInfo = append(filesInfo, apexFile{fileToCopy, depName, dirInApex, javaSharedLib, javaLib, nil})
+					}
+					return true
+				} else if javaLib, ok := child.(*java.Import); ok {
+					fileToCopy, dirInApex := getCopyManifestForPrebuiltJavaLibrary(javaLib)
+					if fileToCopy == nil {
+						ctx.PropertyErrorf("java_libs", "%q does not have a jar output", depName)
+					} else {
+						filesInfo = append(filesInfo, apexFile{fileToCopy, depName, dirInApex, javaSharedLib, javaLib, nil})
 					}
 					return true
 				} else {
-					ctx.PropertyErrorf("java_libs", "%q is not a java_library module", depName)
+					ctx.PropertyErrorf("java_libs", "%q of type %q is not supported", depName, ctx.OtherModuleType(child))
 				}
 			case prebuiltTag:
 				if prebuilt, ok := child.(*android.PrebuiltEtc); ok {

apex/apex_test.go

@@ -92,6 +92,7 @@ func testApexContext(t *testing.T, bp string) (*android.TestContext, android.Con
 	ctx.RegisterModuleType("android_app_certificate", android.ModuleFactoryAdaptor(java.AndroidAppCertificateFactory))
 	ctx.RegisterModuleType("filegroup", android.ModuleFactoryAdaptor(android.FileGroupFactory))
 	ctx.RegisterModuleType("java_library", android.ModuleFactoryAdaptor(java.LibraryFactory))
+	ctx.RegisterModuleType("java_import", android.ModuleFactoryAdaptor(java.ImportFactory))
 
 	ctx.PreArchMutators(func(ctx android.RegisterMutatorsContext) {
 		ctx.BottomUp("prebuilts", android.PrebuiltMutator).Parallel()
@@ -208,6 +209,7 @@ func testApexContext(t *testing.T, bp string) (*android.TestContext, android.Con
 		"myprebuilt":                           nil,
 		"my_include":                           nil,
 		"foo/bar/MyClass.java":                 nil,
+		"prebuilt.jar":                         nil,
 		"vendor/foo/devkeys/test.x509.pem":     nil,
 		"vendor/foo/devkeys/test.pk8":          nil,
 		"testkey.x509.pem":                     nil,
@@ -291,7 +293,7 @@ func TestBasicApex(t *testing.T) {
 					binaries: ["foo",],
 				}
 			},
-			java_libs: ["myjar"],
+			java_libs: ["myjar", "myprebuiltjar"],
 		}
 
 		apex {
@@ -366,6 +368,12 @@ func TestBasicApex(t *testing.T) {
 			system_modules: "none",
 			compile_dex: true,
 		}
+
+		java_import {
+			name: "myprebuiltjar",
+			jars: ["prebuilt.jar"],
+			installable: true,
+		}
 	`)
 
 	apexRule := ctx.ModuleForTests("myapex", "android_common_myapex").Rule("apexRule")
@@ -383,6 +391,7 @@ func TestBasicApex(t *testing.T) {
 	// Ensure that apex variant is created for the direct dep
 	ensureListContains(t, ctx.ModuleVariantsForTests("mylib"), "android_arm64_armv8-a_core_shared_myapex")
 	ensureListContains(t, ctx.ModuleVariantsForTests("myjar"), "android_common_myapex")
+	ensureListContains(t, ctx.ModuleVariantsForTests("myprebuiltjar"), "android_common_myapex")
 
 	// Ensure that apex variant is created for the indirect dep
 	ensureListContains(t, ctx.ModuleVariantsForTests("mylib2"), "android_arm64_armv8-a_core_shared_myapex")
@@ -392,6 +401,7 @@ func TestBasicApex(t *testing.T) {
 	ensureContains(t, copyCmds, "image.apex/lib64/mylib.so")
 	ensureContains(t, copyCmds, "image.apex/lib64/mylib2.so")
 	ensureContains(t, copyCmds, "image.apex/javalib/myjar.jar")
+	ensureContains(t, copyCmds, "image.apex/javalib/myprebuiltjar.jar")
 	// .. but not for java libs
 	ensureNotContains(t, copyCmds, "image.apex/javalib/myotherjar.jar")
 
@@ -400,6 +410,7 @@ func TestBasicApex(t *testing.T) {
 	ensureListContains(t, ctx.ModuleVariantsForTests("mylib2"), "android_arm64_armv8-a_core_shared")
 	ensureListContains(t, ctx.ModuleVariantsForTests("myjar"), "android_common")
 	ensureListContains(t, ctx.ModuleVariantsForTests("myotherjar"), "android_common")
+	ensureListContains(t, ctx.ModuleVariantsForTests("myprebuiltjar"), "android_common")
 
 	// Ensure that all symlinks are present.
 	found_foo_link_64 := false