62 lines
2.4 KiB
Java
62 lines
2.4 KiB
Java
/*
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* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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package cdsutils;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileReader;
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/**
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* This class is used to simulate -Xshare:dump with -XX:ArchiveClassesAtExit.
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* It loads all classes specified in a classlist file. See patchJarForDynamicDump()
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* in ../TestCommon.java for details.
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*/
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public class DynamicDumpHelper {
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public static void main(String args[]) throws Throwable {
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File file = new File(args[0]);
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System.out.println("Loading classes to share...");
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try (BufferedReader br = new BufferedReader(new FileReader(file))) {
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String line;
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while ((line = br.readLine()) != null) {
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//System.out.println("Loading class: " + line);
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line = line.replace('/', '.');
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try {
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Class.forName(line);
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} catch (java.lang.ClassNotFoundException ex) {
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try {
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Class.forName(line, true, null);
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} catch (java.lang.ClassNotFoundException cnfe) {
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System.out.println("Preload Warning: Cannot find " + line.replace('.', '/'));
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}
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} catch (Throwable t) {
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System.out.println("Error: failed to load \"" + line + "\": " + t);
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}
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}
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}
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System.out.println("Loading classes to share: done.");
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}
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}
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