1 /*

     2  * Copyright (c) 2019, 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 import java.io.File;

    24 import java.util.List;

    25 import java.util.Scanner;

    26 import sun.hotspot.WhiteBox;

    27 

    28 public class LoadClasses {

    29 

    30     public static void main (String[] args) throws Throwable {

    31         String classList = args[0];

    32         Scanner sc = new Scanner(new File(classList));

    33         WhiteBox wb = WhiteBox.getWhiteBox();

    34         int count = 0;

    35         while (sc.hasNextLine()) {

    36             String cn = sc.nextLine().replace('/', '.');

    37             try {

    38                 Class<?> cls = Class.forName(cn, false, LoadClasses.class.getClassLoader());

    39                 wb.linkClass(cls);

    40                 count++;

    41             } catch (Throwable ex) {

    42                 System.out.println("Loading failed: " + cn);

    43                 System.out.println(ex.toString());

    44             }

    45         }

    46         System.out.println("Loaded classes = " + count);

    47     }

    48 }