Given a List of Class objects, this method converts them into class names. A new List is returned. - Android java.lang.reflect

Android examples for java.lang.reflect:New Instance

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Description

Given a List of Class objects, this method converts them into class names. A new List is returned.

Demo Code

/*// w w  w.  j  a v a2  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>Given a {@code List} of {@code Class} objects, this method converts
     * them into class names.</p>
     *
     * <p>A new {@code List} is returned. {@code null} objects will be copied into
     * the returned list as {@code null}.</p>
     *
     * @param classes  the classes to change
     * @return a {@code List} of class names corresponding to the Class objects,
     *  {@code null} if null input
     * @throws ClassCastException if {@code classes} contains a non-{@code Class} entry
     */
    public static List<String> convertClassesToClassNames(
            List<Class<?>> classes) {
        if (classes == null) {
            return null;
        }
        List<String> classNames = new ArrayList<String>(classes.size());
        for (Class<?> cls : classes) {
            if (cls == null) {
                classNames.add(null);
            } else {
                classNames.add(cls.getName());
            }
        }
        return classNames;
    }
}

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