tv.icntv.grade.film.utils.ReflectionUtils.java Source code

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Here is the source code for tv.icntv.grade.film.utils.ReflectionUtils.java

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/* Copyright 2013 Future TV, 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 tv.icntv.grade.film.utils;

import com.google.common.base.Preconditions;

/**
 * Created with IntelliJ IDEA.
 * User: xiaowu lei
 * Date: 13-10-29
 * Time: ?11:33
 */
public class ReflectionUtils {
    private static ClassLoader classLoader = null;
    static {
        classLoader = Thread.currentThread().getContextClassLoader();
        if (null == classLoader) {
            classLoader = ReflectionUtils.class.getClassLoader();
        }
    }

    public static Object newInstance(String className)
            throws ClassNotFoundException, IllegalAccessException, InstantiationException {
        Preconditions.checkNotNull(null != className, "class name null");

        return classLoader.loadClass(className).newInstance();

    }

    public static Class getClass(String className) throws ClassNotFoundException {
        return classLoader.loadClass(className);
    }

    public static void main(String[] args)
            throws IllegalAccessException, InstantiationException, ClassNotFoundException {
        //ParserJob job= (ParserJob) newInstance("tv.icntv.logsys.cdn.CdnMapper");
        //        job.test();
    }
}