Gets a List of superclasses for the given class. - Android java.lang.reflect

Android examples for java.lang.reflect:New Instance

  1. HOME
  2. Android
  3. java.lang.reflect
  4. New Instance

Description

Gets a List of superclasses for the given class.

Demo Code

/*//www.j  a  va  2 s  .c  o m
 * Original work Copyright (c) 2005-2008, The Android Open Source Project
 * Modified work Copyright (c) 2013, rovo89 and Tungstwenty
 * Modified work Copyright (c) 2015, Alibaba Mobile Infrastructure (Android) Team
 *
 * 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.java2s;
import java.util.ArrayList;

import java.util.List;

public class Main {
    /**
     * <p>Gets a {@code List} of superclasses for the given class.</p>
     *
     * @param cls  the class to look up, may be {@code null}
     * @return the {@code List} of superclasses in order going up from this one
     *  {@code null} if null input
     */
    public static List<Class<?>> getAllSuperclasses(Class<?> cls) {
        if (cls == null) {
            return null;
        }
        List<Class<?>> classes = new ArrayList<Class<?>>();
        Class<?> superclass = cls.getSuperclass();
        while (superclass != null) {
            classes.add(superclass);
            superclass = superclass.getSuperclass();
        }
        return classes;
    }
}

Related Tutorials