third_party/sl4a/src/main/java/com/google/android/mobly/snippet/facade/FacadeManager.java


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/*
 * Copyright (C) 2016 Google Inc.
 *
 * 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.android.mobly.snippet.facade;

import android.content.Context;

import com.google.android.mobly.snippet.rpc.RpcMinSdk;
import com.google.android.mobly.snippet.rpc.Snippet;
import com.google.android.mobly.snippet.rpc.SnippetManager;
import com.google.android.mobly.snippet.util.SnippetLibException;
import com.google.android.mobly.snippet.util.Log;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Collection;

public class FacadeManager extends SnippetManager {

  private int mSdkLevel;

  public FacadeManager(int sdkLevel, Collection<Class<? extends Snippet>> classList) {
    super(classList);
    mSdkLevel = sdkLevel;
  }

  @Override
  public Object invoke(Class<? extends Snippet> clazz, Method method, Object[] args)
      throws Exception {
    if (method.isAnnotationPresent(RpcMinSdk.class)) {
      int requiredSdkLevel = method.getAnnotation(RpcMinSdk.class).value();
      if (mSdkLevel < requiredSdkLevel) {
        throw new SnippetLibException(
                String.format("%s requires API level %d, current level is %d",
                        method.getName(), requiredSdkLevel, mSdkLevel));
      }
    }
    return super.invoke(clazz, method, args);
  }
}