/*
 * Copyright 2016 The Bazel Authors. 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 com.google.idea.blaze.android.run.test;

import com.intellij.openapi.extensions.ExtensionPointName;
import javax.annotation.Nullable;

/** Provides a default instrumentation test runner class for android test configurations. */
public interface InstrumentationRunnerProvider {

  ExtensionPointName<InstrumentationRunnerProvider> EP_NAME =
      ExtensionPointName.create("com.google.idea.blaze.android.InstrumentationRunnerProvider");

  @Nullable
  static String getDefaultInstrumentationRunnerClass() {
    for (InstrumentationRunnerProvider provider : EP_NAME.getExtensions()) {
      String path = provider.getInstrumentationRunnerClass();
      if (path != null) {
        return path;
      }
    }
    return null;
  }

  @Nullable
  String getInstrumentationRunnerClass();
}