1 files changed, 44 insertions, 0 deletions
diff --git a/app/tests/util/src/com/android/rkpdapp/testutil/SystemInterfaceSelector.java b/app/tests/util/src/com/android/rkpdapp/testutil/SystemInterfaceSelector.java
new file mode 100644
index 0000000..0f49691
--- /dev/null
+++ b/app/tests/util/src/com/android/rkpdapp/testutil/SystemInterfaceSelector.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * 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 com.android.rkpdapp.testutil;
+
+import static com.google.common.truth.Truth.assertThat;
+import static com.google.common.truth.TruthJUnit.assume;
+
+import android.hardware.security.keymint.IRemotelyProvisionedComponent;
+
+import com.android.rkpdapp.interfaces.ServiceManagerInterface;
+import com.android.rkpdapp.interfaces.SystemInterface;
+
+public class SystemInterfaceSelector {
+    /**
+     * Gets the system interface object for provided service name.
+     */
+    public static SystemInterface getSystemInterfaceForServiceName(String serviceName) {
+        SystemInterface matchingInterface = null;
+        for (SystemInterface systemInterface: ServiceManagerInterface.getAllInstances()) {
+            if (systemInterface.getServiceName().equals(serviceName)) {
+                matchingInterface = systemInterface;
+            }
+        }
+        if (matchingInterface == null) {
+            assertThat(serviceName).isEqualTo(IRemotelyProvisionedComponent.DESCRIPTOR + "/avf");
+            assume().withMessage("AVF is not supported by this system").fail();
+        }
+        return matchingInterface;
+    }
+}