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