Here you can find the source of coerceToType(Object objectIn, Class
public static <T extends Object> T coerceToType(Object objectIn, Class<T> clazz)
//package com.java2s; /**/*from w w w.j ava 2 s. com*/ * Copyright 2014 opencxa.org * * 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. */ public class Main { public static <T extends Object> T coerceToType(Object objectIn, Class<T> clazz) { return coerceToType(objectIn, clazz, null); } @SuppressWarnings("unchecked") public static <T extends Object> T coerceToType(Object objectIn, Class<T> clazz, T defaultValIn) { return ((objectIn != null) && clazz.isAssignableFrom(objectIn.getClass())) ? (T) objectIn : defaultValIn; } }