1 /* 2 * Copyright (c) 2014, 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 java.io.File; 25 import java.lang.reflect.Method; 26 import java.util.Arrays; 27 28 29 public class Wrapper { 30 public static void main(String... args) throws Exception { 31 if (!isSJavacOnClassPath()) { 32 System.out.println("sjavac not available: pass by default"); 33 return; 34 } 35 36 String testClassName = args[0]; 37 String[] testArgs = Arrays.copyOfRange(args, 1, args.length); 38 39 File srcDir = new File(System.getProperty("test.src")); 40 File clsDir = new File(System.getProperty("test.classes")); 41 42 File src = new File(srcDir, testClassName + ".java"); 43 File cls = new File(clsDir, testClassName + ".class"); 44 45 if (cls.lastModified() < src.lastModified()) { 46 System.err.println("Recompiling test class..."); 47 String[] javacArgs = { "-d", clsDir.getPath(), src.getPath() }; 48 int rc = com.sun.tools.javac.Main.compile(javacArgs); 49 if (rc != 0) 50 throw new Exception("compilation failed"); 51 } 52 53 Class<?> sjavac = Class.forName(testClassName); 54 Method main = sjavac.getMethod("main", String[].class); 55 main.invoke(null, new Object[] { testArgs }); 56 } 57 58 private static boolean isSJavacOnClassPath() { 59 String cls = "com/sun/tools/sjavac/Main.class"; 60 return Wrapper.class.getClassLoader().getResource(cls) != null; 61 } 62 }