1 /*

     2  * Copyright (c) 2014, 2017, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 package jdk.test.lib.classloader;

    25 

    26 import java.net.URL;

    27 import java.net.URLClassLoader;

    28 

    29 /**

    30  * An url classloader, which trying to load class from provided URL[] first,

    31  * and using parent classloader in case it failed

    32  */

    33 public class ParentLastURLClassLoader extends URLClassLoader {

    34 

    35     public ParentLastURLClassLoader(URL urls[], ClassLoader parent) {

    36         super(urls, parent);

    37     }

    38 

    39     @Override

    40     public Class<?> loadClass(String name) throws ClassNotFoundException {

    41         try {

    42             Class<?> c = findClass(name);

    43             if (c != null) {

    44                 return c;

    45             }

    46         } catch (ClassNotFoundException e) {

    47             // ignore

    48         }

    49         return super.loadClass(name);

    50     }

    51 }