/* * Copyright (C) 2012-2015 DataStax 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.datastax.driver.mapping; import java.lang.reflect.Constructor; /** * Utility methods related to reflection. */ class ReflectionUtils { static <T> T newInstance(Class<T> clazz) { Constructor<T> publicConstructor; try { publicConstructor = clazz.getConstructor(); } catch (NoSuchMethodException e) { try { // try private constructor Constructor<T> privateConstructor = clazz.getDeclaredConstructor(); privateConstructor.setAccessible(true); return privateConstructor.newInstance(); } catch (Exception e1) { throw new IllegalArgumentException("Can't create an instance of " + clazz, e); } } try { return publicConstructor.newInstance(); } catch (Exception e) { throw new IllegalArgumentException("Can't create an instance of " + clazz, e); } } }