content: /*
   * Copyright (C) 2015 Andrew Reitz
   *
   * 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.andrewreitz.spock.android.extension;
  
  import android.app.Application;
  import android.app.Instrumentation;
  import android.support.test.InstrumentationRegistry;
  import org.spockframework.runtime.extension.AbstractMethodInterceptor;
  import org.spockframework.runtime.extension.IMethodInvocation;
  import org.spockframework.runtime.model.FieldInfo;
  
  /**
   * Creates a new application and attaches it to the annotated field.
   *
   * @author Andrew Reitz
   * @since 1.1
   */
  public class UseApplicationInterceptor extends AbstractMethodInterceptor {
    private final FieldInfo fieldInfo;
    private final Class<? extends Application> applicationClass;
  
    private final Instrumentation instrumentation = InstrumentationRegistry.getInstrumentation();
  
    public UseApplicationInterceptor(FieldInfo fieldInfo,
        Class<? extends Application> applicationClass) {
      this.fieldInfo = fieldInfo;
      this.applicationClass = applicationClass;
    }
  
    @Override public void interceptSetupMethod(IMethodInvocation invocation) throws Throwable {
      final Application application =
          Instrumentation.newApplication(applicationClass, instrumentation.getTargetContext());
      fieldInfo.writeValue(invocation.getInstance(), application);
      invocation.proceed();
    }
  }
  