/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.jdo.tck;

import java.lang.reflect.InvocationTargetException;
import java.security.PrivilegedAction;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.jdo.JDOFatalInternalException;
import javax.jdo.LegacyJava;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;

/*
 * Abstract class for managed relationship tests
 */
public class AbstractReaderTest extends JDO_Test {

  /** The list of all objects in the bean collection. */
  protected List<Object> rootOids;

  /** The name of the root object in the bean collection. */
  protected static final String ROOT_NAME = "root";

  /** The name of the file containing the bean collection (test data). */
  protected final String inputFilename = System.getProperty("jdo.tck.testdata");

  /** The map of String (bean name) to Object (bean). */
  protected final Map<String, Object> oidMap = new HashMap<>();

  /**
   * Get the named bean from the bean factory.
   *
   * @param factory the bean factory
   * @param name the name of the bean
   * @return the named object
   */
  protected Object getBean(final DefaultListableBeanFactory factory, final String name) {
    return doPrivileged(() -> factory.getBean(name));
  }

  protected <T> T getBean(
      final DefaultListableBeanFactory factory, Class<T> clazz, final String name) {
    return doPrivileged(() -> factory.getBean(name, clazz));
  }

  @SuppressWarnings("unchecked")
  private static <T> T doPrivileged(PrivilegedAction<T> privilegedAction) {
    try {
      return (T) LegacyJava.doPrivilegedAction.invoke(null, privilegedAction);
    } catch (IllegalAccessException | InvocationTargetException e) {
      if (e.getCause() instanceof RuntimeException) {
        throw (RuntimeException) e.getCause();
      }
      throw new JDOFatalInternalException(e.getMessage());
    }
  }

  /**
   * Get the root object from the bean factory.
   *
   * @param factory the bean factory
   * @return the List of objects
   */
  @SuppressWarnings("unchecked")
  protected List<Object> getRootList(DefaultListableBeanFactory factory) {
    return (List<Object>) getBean(factory, ROOT_NAME);
  }

  /**
   * Get the named object from the Map of objects.
   *
   * @param name the bean name
   * @return the named object
   */
  protected Object getOidByName(String name) {
    return oidMap.get(name);
  }
}