jdk-24/test/hotspot/jtreg/runtime/cds/appcds/cdsutils/DynamicDumpHelper.java
Coleen Phillimore 1ed3649f48 8202339: [TESTBUG] Consolidate the tests in runtime/SharedArchiveFile and runtime/appcds
Add top level cds directory and adjust test groups

Reviewed-by: mseledtsov, ccheung
2019-07-29 10:34:20 -04:00

62 lines
2.4 KiB
Java

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