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 
  24 import jdk.test.lib.util.JarUtils;
  25 
  26 import java.io.File;
  27 import java.io.IOException;
  28 import java.nio.file.Path;
  29 import java.nio.file.Paths;
  30 import java.util.jar.Attributes;
  31 import java.util.jar.Manifest;
  32 
  33 /**
  34  * Launches a new Java process using -jar Java option.
  35  */
  36 
  37 public class TestProcessJarLauncher extends TestProcessLauncher {
  38 
  39     private static final String JAR_FILE = "testprocess.jar";
  40 
  41 
  42     public TestProcessJarLauncher(String className) {
  43         super(className);
  44     }
  45 
  46     protected String prepareLaunch(String javaExec, String pipePort) {
  47         try {
  48             File jarFile = prepareJar();
  49             return javaExec + " -jar " + jarFile.getAbsolutePath() + " -pipe.port=" + pipePort;
  50         } catch (IOException e) {
  51             throw new RuntimeException("Failed to prepare a jar file", e);
  52         }
  53     }
  54 
  55     private File prepareJar() throws IOException {
  56         Path jarFile = USER_DIR.resolve(JAR_FILE);
  57         Manifest manifest = createManifest();
  58         Path testClass = TEST_CLASSES_DIR.resolve(className + ".class");
  59         JarUtils.createJarFile(jarFile, manifest, TEST_CLASSES_DIR, Paths.get("."));
  60         return jarFile.toFile();
  61     }
  62 
  63     private Manifest createManifest() {
  64         Manifest manifest = new Manifest();
  65         manifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
  66         manifest.getMainAttributes().put(Attributes.Name.MAIN_CLASS, className);
  67         return manifest;
  68     }
  69 
  70     public String getJarFile() {
  71         return JAR_FILE;
  72     }
  73 }