| /* |
| * Copyright (c) 2014, 2016, 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. |
| */ |
| |
| import java.io.IOException; |
| import java.lang.reflect.Method; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| |
| public class Wrapper { |
| public static void main(String... args) throws Exception { |
| if (!isSJavacOnClassPath()) { |
| System.out.println("sjavac not available: pass by default"); |
| return; |
| } |
| |
| String testClassName = args[0]; |
| String[] testArgs = Arrays.copyOfRange(args, 1, args.length); |
| |
| Path srcDir = Paths.get(System.getProperty("test.src")); |
| Path clsDir = Paths.get(System.getProperty("test.classes")); |
| String clsPath = System.getProperty("test.class.path"); |
| String tstMdls = System.getProperty("test.modules"); |
| |
| Path src = srcDir.resolve(testClassName + ".java"); |
| Path cls = clsDir.resolve(testClassName + ".class"); |
| |
| if (isNewer(src, cls)) { |
| System.err.println("Recompiling test class..."); |
| List<String> javacArgs = new ArrayList<>(); |
| javacArgs.addAll(Arrays.asList("-d", clsDir.toString())); |
| javacArgs.addAll(Arrays.asList("-sourcepath", srcDir.toString())); |
| javacArgs.addAll(Arrays.asList("-classpath", clsPath)); |
| Arrays.stream(tstMdls.split("\\s+")) |
| .filter(s -> s.contains("/")) |
| .map(s -> "--add-exports=" + s + "=ALL-UNNAMED") |
| .collect(Collectors.toCollection(() -> javacArgs)); |
| javacArgs.add(src.toString()); |
| System.out.println("javac: " + javacArgs); |
| int rc = com.sun.tools.javac.Main.compile( |
| javacArgs.toArray(new String[javacArgs.size()])); |
| if (rc != 0) |
| throw new Exception("compilation failed"); |
| } |
| |
| Class<?> sjavac = Class.forName(testClassName); |
| Method main = sjavac.getMethod("main", String[].class); |
| main.invoke(null, new Object[] { testArgs }); |
| } |
| |
| private static boolean isNewer(Path a, Path b) throws IOException { |
| if (Files.notExists(b)) |
| return true; |
| return Files.getLastModifiedTime(a).compareTo(Files.getLastModifiedTime(b)) > 0; |
| } |
| |
| private static boolean isSJavacOnClassPath() { |
| String cls = "com/sun/tools/sjavac/Main.class"; |
| return Wrapper.class.getClassLoader().getResource(cls) != null; |
| } |
| } |