add plugins to javaLibraryAttributes

Test: go test ./bp2build
Change-Id: I8e4c3f373c62c60ea5013cd8c585915a366c1f81

bp2build/java_library_conversion_test.go

@@ -22,11 +22,15 @@ import (
 	"android/soong/java"
 )
 
-func runJavaLibraryTestCase(t *testing.T, tc bp2buildTestCase) {
+func runJavaLibraryTestCaseWithRegistrationCtxFunc(t *testing.T, tc bp2buildTestCase, registrationCtxFunc func(ctx android.RegistrationContext)) {
 	t.Helper()
 	(&tc).moduleTypeUnderTest = "java_library"
 	(&tc).moduleTypeUnderTestFactory = java.LibraryFactory
-	runBp2BuildTestCase(t, func(ctx android.RegistrationContext) {}, tc)
+	runBp2BuildTestCase(t, registrationCtxFunc, tc)
+}
+
+func runJavaLibraryTestCase(t *testing.T, tc bp2buildTestCase) {
+	runJavaLibraryTestCaseWithRegistrationCtxFunc(t, tc, func(ctx android.RegistrationContext) {})
 }
 
 func TestJavaLibrary(t *testing.T) {
@@ -129,3 +133,26 @@ java_library {
 		expectedBazelTargets: []string{},
 	})
 }
+
+func TestJavaLibraryPlugins(t *testing.T) {
+	runJavaLibraryTestCaseWithRegistrationCtxFunc(t, bp2buildTestCase{
+		blueprint: `java_library {
+    name: "java-lib-1",
+    plugins: ["java-plugin-1"],
+    bazel_module: { bp2build_available: true },
+}
+
+java_plugin {
+    name: "java-plugin-1",
+    srcs: ["a.java"],
+    bazel_module: { bp2build_available: false },
+}`,
+		expectedBazelTargets: []string{
+			makeBazelTarget("java_library", "java-lib-1", attrNameToString{
+				"plugins": `[":java-plugin-1"]`,
+			}),
+		},
+	}, func(ctx android.RegistrationContext) {
+		ctx.RegisterModuleType("java_plugin", java.PluginFactory)
+	})
+}

java/java.go

@@ -2026,6 +2026,7 @@ func addCLCFromDep(ctx android.ModuleContext, depModule android.Module,
 
 type javaCommonAttributes struct {
 	Srcs      bazel.LabelListAttribute
+	Plugins   bazel.LabelListAttribute
 	Javacopts bazel.StringListAttribute
 }
 
@@ -2061,6 +2062,9 @@ func (m *Library) convertLibraryAttrsBp2Build(ctx android.TopDownMutatorContext)
 
 	commonAttrs := &javaCommonAttributes{
 		Srcs: srcPartitions[javaSrcPartition],
+		Plugins: bazel.MakeLabelListAttribute(
+			android.BazelLabelForModuleDeps(ctx, m.properties.Plugins),
+		),
 	}
 
 	if m.properties.Javacflags != nil {