1 /*
   2  * Copyright (c) 2018, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.jfr.api.modules;
  27 
  28 import java.nio.file.Paths;
  29 
  30 import static jdk.testlibrary.Asserts.assertTrue;
  31 
  32 import java.io.IOException;
  33 import java.nio.file.Files;
  34 import java.nio.file.Path;
  35 import java.util.Arrays;
  36 import java.util.Collections;
  37 import java.util.List;
  38 import java.util.stream.Collectors;
  39 import javax.tools.JavaCompiler;
  40 import javax.tools.StandardJavaFileManager;
  41 import javax.tools.StandardLocation;
  42 import javax.tools.ToolProvider;
  43 
  44 import jdk.testlibrary.OutputAnalyzer;
  45 import jdk.testlibrary.ProcessTools;
  46 
  47 public class TestModularizedEvent {
  48 
  49     private static final String TEST_SRC = System.getProperty("test.src");
  50 
  51     private static final Path SRC_DIR = Paths.get(TEST_SRC, "src_mods");
  52     private static final Path MODS_DIR = Paths.get("mods");
  53 
  54     private static final String ANNO_MODULE = "test.jfr.annotation";
  55     private static final String SETTING_MODULE = "test.jfr.setting";
  56     private static final String EVENT_MODULE = "test.jfr.event";
  57     private static final String TEST_MODULE = "test.jfr.main";
  58 
  59     public static void main(String... args) throws Exception {
  60         compileModule(ANNO_MODULE);
  61         compileModule(SETTING_MODULE);
  62         compileModule(EVENT_MODULE, "--module-path", MODS_DIR.toString());
  63         compileModule(TEST_MODULE, "--module-path", MODS_DIR.toString());
  64 
  65         OutputAnalyzer oa = ProcessTools.executeTestJava("--module-path", "mods", "-m", "test.jfr.main/test.jfr.main.MainTest");
  66         oa.stdoutShouldContain("Test passed.");
  67     }
  68 
  69     private static void compileModule(String modDir, String... opts) throws Exception {
  70         boolean compiled = compile(SRC_DIR.resolve(modDir),
  71                 MODS_DIR.resolve(modDir),
  72                 opts);
  73         assertTrue(compiled, "module " + modDir + " did not compile");
  74     }
  75 
  76     private static boolean compile(Path source, Path destination, String... options)
  77             throws IOException {
  78         JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
  79         if (compiler == null) {
  80             // no compiler available
  81             throw new UnsupportedOperationException("Unable to get system java compiler. "
  82                     + "Perhaps, jdk.compiler module is not available.");
  83         }
  84         StandardJavaFileManager jfm = compiler.getStandardFileManager(null, null, null);
  85 
  86         List<Path> sources
  87                 = Files.find(source, Integer.MAX_VALUE,
  88                         (file, attrs) -> (file.toString().endsWith(".java")))
  89                 .collect(Collectors.toList());
  90 
  91         Files.createDirectories(destination);
  92         jfm.setLocation(StandardLocation.CLASS_PATH, Collections.emptyList());
  93         jfm.setLocationFromPaths(StandardLocation.CLASS_OUTPUT,
  94                 Arrays.asList(destination));
  95 
  96         List<String> opts = Arrays.asList(options);
  97         JavaCompiler.CompilationTask task
  98                 = compiler.getTask(null, jfm, null, opts, null,
  99                         jfm.getJavaFileObjectsFromPaths(sources));
 100 
 101         return task.call();
 102     }
 103 
 104 }