langtools/test/tools/sjavac/Wrapper.java
changeset 40308 274367a99f98
parent 32337 c9d3ab9f601c
equal deleted inserted replaced
40306:1a0fcaf3f2ed 40308:274367a99f98
     1 /*
     1 /*
     2  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
     2  * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     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
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     7  * published by the Free Software Foundation.
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    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
    20  * or visit www.oracle.com if you need additional information or have any
    21  * questions.
    21  * questions.
    22  */
    22  */
    23 
    23 
    24 import java.io.File;
    24 import java.io.IOException;
    25 import java.lang.reflect.Method;
    25 import java.lang.reflect.Method;
       
    26 import java.nio.file.Files;
       
    27 import java.nio.file.Path;
       
    28 import java.nio.file.Paths;
       
    29 import java.util.ArrayList;
    26 import java.util.Arrays;
    30 import java.util.Arrays;
    27 
    31 import java.util.List;
       
    32 import java.util.stream.Collectors;
    28 
    33 
    29 public class Wrapper {
    34 public class Wrapper {
    30     public static void main(String... args) throws Exception {
    35     public static void main(String... args) throws Exception {
    31         if (!isSJavacOnClassPath()) {
    36         if (!isSJavacOnClassPath()) {
    32             System.out.println("sjavac not available: pass by default");
    37             System.out.println("sjavac not available: pass by default");
    34         }
    39         }
    35 
    40 
    36         String testClassName = args[0];
    41         String testClassName = args[0];
    37         String[] testArgs = Arrays.copyOfRange(args, 1, args.length);
    42         String[] testArgs = Arrays.copyOfRange(args, 1, args.length);
    38 
    43 
    39         File srcDir = new File(System.getProperty("test.src"));
    44         Path srcDir = Paths.get(System.getProperty("test.src"));
    40         File clsDir = new File(System.getProperty("test.classes"));
    45         Path clsDir = Paths.get(System.getProperty("test.classes"));
       
    46         String clsPath = System.getProperty("test.class.path");
       
    47         String tstMdls = System.getProperty("test.modules");
    41 
    48 
    42         File src = new File(srcDir, testClassName + ".java");
    49         Path src = srcDir.resolve(testClassName + ".java");
    43         File cls = new File(clsDir, testClassName + ".class");
    50         Path cls = clsDir.resolve(testClassName + ".class");
    44 
    51 
    45         if (cls.lastModified() < src.lastModified()) {
    52         if (isNewer(src, cls)) {
    46             System.err.println("Recompiling test class...");
    53             System.err.println("Recompiling test class...");
    47             String[] javacArgs = { "-d", clsDir.getPath(), src.getPath() };
    54             List<String> javacArgs = new ArrayList<>();
    48             int rc = com.sun.tools.javac.Main.compile(javacArgs);
    55             javacArgs.addAll(Arrays.asList("-d", clsDir.toString()));
       
    56             javacArgs.addAll(Arrays.asList("-sourcepath", srcDir.toString()));
       
    57             javacArgs.addAll(Arrays.asList("-classpath", clsPath));
       
    58             Arrays.stream(tstMdls.split("\\s+"))
       
    59                 .filter(s -> s.contains("/"))
       
    60                 .map(s -> "--add-exports=" + s + "=ALL-UNNAMED")
       
    61                 .collect(Collectors.toCollection(() -> javacArgs));
       
    62             javacArgs.add(src.toString());
       
    63             System.out.println("javac: " + javacArgs);
       
    64             int rc = com.sun.tools.javac.Main.compile(
       
    65                 javacArgs.toArray(new String[javacArgs.size()]));
    49             if (rc != 0)
    66             if (rc != 0)
    50                 throw new Exception("compilation failed");
    67                 throw new Exception("compilation failed");
    51         }
    68         }
    52 
    69 
    53         Class<?> sjavac = Class.forName(testClassName);
    70         Class<?> sjavac = Class.forName(testClassName);
    54         Method main = sjavac.getMethod("main", String[].class);
    71         Method main = sjavac.getMethod("main", String[].class);
    55         main.invoke(null, new Object[] { testArgs });
    72         main.invoke(null, new Object[] { testArgs });
    56     }
    73     }
    57 
    74 
       
    75     private static boolean isNewer(Path a, Path b) throws IOException {
       
    76         if (Files.notExists(b))
       
    77             return true;
       
    78         return Files.getLastModifiedTime(a).compareTo(Files.getLastModifiedTime(b)) > 0;
       
    79     }
       
    80 
    58     private static boolean isSJavacOnClassPath() {
    81     private static boolean isSJavacOnClassPath() {
    59         String cls = "com/sun/tools/sjavac/Main.class";
    82         String cls = "com/sun/tools/sjavac/Main.class";
    60         return Wrapper.class.getClassLoader().getResource(cls) != null;
    83         return Wrapper.class.getClassLoader().getResource(cls) != null;
    61     }
    84     }
    62 }
    85 }