| /* |
| * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.io.PrintStream; |
| import java.nio.file.Path; |
| import java.util.EnumSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import javax.lang.model.element.ModuleElement; |
| import javax.lang.model.element.ModuleElement.Directive; |
| import javax.lang.model.element.ModuleElement.DirectiveKind; |
| import javax.lang.model.element.ModuleElement.DirectiveVisitor; |
| import javax.lang.model.element.ModuleElement.ExportsDirective; |
| import javax.lang.model.element.ModuleElement.OpensDirective; |
| import javax.lang.model.element.ModuleElement.ProvidesDirective; |
| import javax.lang.model.element.ModuleElement.RequiresDirective; |
| import javax.lang.model.element.ModuleElement.UsesDirective; |
| import javax.tools.JavaCompiler; |
| import javax.tools.JavaFileObject; |
| import javax.tools.StandardJavaFileManager; |
| import javax.tools.ToolProvider; |
| |
| import com.sun.source.util.JavacTask; |
| |
| /* |
| * @test |
| * @bug 8175118 |
| * @summary Add ModuleElement.DirectiveVisitor |
| * @library /tools/lib |
| * @modules jdk.compiler/com.sun.tools.javac.api |
| * jdk.compiler/com.sun.tools.javac.main |
| * jdk.compiler/com.sun.tools.javac.util |
| * @build toolbox.ToolBox ModuleTestBase |
| * @run main DirectiveVisitorTest |
| */ |
| |
| public class DirectiveVisitorTest extends ModuleTestBase { |
| public static void main(String... args) throws Exception { |
| new DirectiveVisitorTest().runTests(); |
| } |
| |
| @Test |
| public void testVisitor(Path base) throws Exception { |
| Path src = base.resolve("src"); |
| Path src_m1 = src.resolve("m1x"); |
| tb.writeJavaFiles(src_m1, |
| "module m1x { " |
| + " requires m2x;" |
| + " exports p1;" |
| + " opens p2;" |
| + " uses p1.Service;" |
| + " provides p1.Service with p2.Impl;" |
| + "}", |
| "package p1; public interface Service { }", |
| "package p2; public class Impl implements p1.Service { }"); |
| Path src_m2 = src.resolve("m2x"); |
| tb.writeJavaFiles(src_m2, |
| "module m2x { }"); |
| |
| Path modules = base.resolve("modules"); |
| tb.createDirectories(modules); |
| |
| JavaCompiler javac = ToolProvider.getSystemJavaCompiler(); |
| try (StandardJavaFileManager fm = javac.getStandardFileManager(null, null, null)) { |
| Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(findJavaFiles(src)); |
| List<String> options = List.of( |
| "--module-source-path", src.toString(), |
| "-d", modules.toString() |
| ); |
| JavacTask t = (JavacTask) javac.getTask(null, fm, null, options, null, files); |
| t.analyze(); |
| ModuleElement e = t.getElements().getModuleElement("m1x"); |
| Set<DirectiveKind> kinds = EnumSet.<DirectiveKind>allOf(DirectiveKind.class); |
| Visitor v = new Visitor(); |
| v.visit(e, kinds); |
| if (!kinds.equals(EnumSet.<DirectiveKind>noneOf(DirectiveKind.class))) { |
| error("Some kinds not found: " + kinds); |
| } |
| } |
| } |
| |
| static class Visitor implements DirectiveVisitor<Void,Set<DirectiveKind>> { |
| private final PrintStream out = System.err; |
| |
| public void visit(ModuleElement e, Set<DirectiveKind> kinds) { |
| e.getDirectives().stream().forEach(d -> visit(d, kinds)); |
| } |
| |
| @Override |
| public Void visitRequires(RequiresDirective d, Set<DirectiveKind> kinds) { |
| visitAny(d, kinds); |
| return null; |
| } |
| |
| @Override |
| public Void visitExports(ExportsDirective d, Set<DirectiveKind> kinds) { |
| visitAny(d, kinds); |
| return null; |
| } |
| |
| @Override |
| public Void visitOpens(OpensDirective d, Set<DirectiveKind> kinds) { |
| visitAny(d, kinds); |
| return null; |
| } |
| |
| @Override |
| public Void visitUses(UsesDirective d, Set<DirectiveKind> kinds) { |
| visitAny(d, kinds); |
| return null; |
| } |
| |
| @Override |
| public Void visitProvides(ProvidesDirective d, Set<DirectiveKind> kinds) { |
| visitAny(d, kinds); |
| return null; |
| } |
| |
| private void visitAny(Directive d, Set<DirectiveKind> kinds) { |
| out.println("visit: " + d); |
| kinds.remove(d.getKind()); |
| } |
| } |
| } |
| |