Reflect.java example

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ehcache3-master
/*
 * Copyright Terracotta, 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 org.ehcache.management.providers.settings;

class Reflect {

  static boolean isInstance(Object o, String interfaceClassName) {
    try {
      Class<?> type = Reflect.class.getClassLoader().loadClass(interfaceClassName);
      return type.isInstance(o);
    } catch (ClassNotFoundException e) {
      return false;
    }
  }

  static <T> T invoke(Object o, String methodName, Class<T> returnType) {
    try {
      return returnType.cast(o.getClass().getMethod(methodName).invoke(o));
    } catch (Exception e) {
      throw new AssertionError(e);
    }
  }

}