1 /*
   2  * Copyright (c) 2016, 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 /*
  25  * @test
  26  * @bug 8162712
  27  * @summary StandardJavaFileManager.getModuleLocation() can't find a module
  28  * @library /tools/lib
  29  * @modules
  30  *      jdk.compiler/com.sun.tools.javac.api
  31  *      jdk.compiler/com.sun.tools.javac.main
  32  * @build toolbox.JavacTask toolbox.ToolBox
  33  * @run main GetLocationForModuleTest
  34  */
  35 
  36 import java.io.IOException;
  37 import java.nio.file.*;
  38 import java.util.*;
  39 import javax.tools.*;
  40 import toolbox.JavacTask;
  41 import toolbox.ToolBox;
  42 
  43 public class GetLocationForModuleTest extends ModuleTestBase {
  44     public static void main(String... args) throws Exception {
  45         new GetLocationForModuleTest().run(Paths.get("."));
  46     }
  47 
  48     public void run(Path base) throws Exception {
  49         // Set up some trivial modules
  50         Path moduleSrc = base.resolve("module-src");
  51         Path m1 = moduleSrc.resolve("m1x");
  52         tb.writeJavaFiles(m1, "module m1x { }");
  53         Path m2 = moduleSrc.resolve("m2x");
  54         tb.writeJavaFiles(m2, "module m2x { }");
  55 
  56         Path modulePath = base.resolve("module-path");
  57         Files.createDirectories(modulePath);
  58         new JavacTask(tb)
  59                 .options("--module-source-path", moduleSrc.toString())
  60                 .outdir(modulePath)
  61                 .files(findJavaFiles(moduleSrc))
  62                 .run()
  63                 .writeAll();
  64 
  65         // Init file manager
  66         StandardJavaFileManager fm =
  67                 ToolProvider.getSystemJavaCompiler().getStandardFileManager(null, null, null);
  68         fm.setLocationFromPaths(StandardLocation.MODULE_PATH, Arrays.asList(modulePath));
  69 
  70         // Test
  71         test(fm, StandardLocation.SYSTEM_MODULES, "java.base", "java.compiler");
  72         test(fm, StandardLocation.MODULE_PATH, "m1x", "m2x");
  73     }
  74 
  75     void test(JavaFileManager fm, JavaFileManager.Location locn, String... mods) throws IOException {
  76         for (String mod : mods) {
  77             JavaFileManager.Location modLocn = fm.getLocationForModule(locn, mod);
  78             if (modLocn == null) {
  79                 error(locn.getName() + ": can't find " + mod);
  80             } else {
  81                 System.err.println(locn.getName() + ": found " + mod + ": " + modLocn.getName());
  82             }
  83         }
  84     }
  85 }
  86