Basic bp2build converter for java_import.

This only supports the `jars` property/attribute.

Test: b build external/error_prone:error_prone_core_jars
Bug: 215229744
Change-Id: If0d9c8c4e9c1c560d35a501c20bef9361ef45e15

bp2build/java_import_conversion_test.go

@@ -0,0 +1,52 @@
+// Copyright 2022 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package bp2build
+
+import (
+	"android/soong/android"
+	"android/soong/java"
+
+	"testing"
+)
+
+func runJavaImportTestCase(t *testing.T, tc bp2buildTestCase) {
+	t.Helper()
+	runBp2BuildTestCase(t, registerJavaImportModuleTypes, tc)
+}
+
+func registerJavaImportModuleTypes(ctx android.RegistrationContext) {
+}
+
+func TestMinimalJavaImport(t *testing.T) {
+	runJavaImportTestCase(t, bp2buildTestCase{
+		description:                "Java import - simple example",
+		moduleTypeUnderTest:        "java_import",
+		moduleTypeUnderTestFactory: java.ImportFactory,
+		filesystem: map[string]string{
+			"import.jar": "",
+		},
+		blueprint: `
+java_import {
+        name: "example_import",
+        jars: ["import.jar"],
+        bazel_module: { bp2build_available: true },
+}
+`,
+		expectedBazelTargets: []string{
+			makeBazelTarget("java_import", "example_import", attrNameToString{
+				"jars": `["import.jar"]`,
+			}),
+		}})
+}