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 }