48 lines
1.9 KiB
Java
48 lines
1.9 KiB
Java
/*
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* Copyright (c) 2015, 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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import java.io.File;
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import java.io.PrintStream;
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import java.util.Arrays;
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public class Agent {
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public static void main(String[] args) throws Exception {
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String jarName = args[0];
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String className = args[1];
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String manifestName = "manifest.mf";
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System.out.println("Creating "+manifestName);
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try (PrintStream out = new PrintStream(new File(manifestName))) {
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out.println("Premain-Class: " + className);
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out.println("Can-Redefine-Classes: true");
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}
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System.out.println("Building "+jarName);
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String[] jarArgs = new String[] {"-cfm", jarName, manifestName };
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System.out.println("Running jar " + Arrays.toString(jarArgs));
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sun.tools.jar.Main jarTool = new sun.tools.jar.Main(System.out, System.err, "jar");
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if (!jarTool.run(jarArgs)) {
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throw new Error("jar failed: args=" + Arrays.toString(args));
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}
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}
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}
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