| /* |
| * Copyright (c) 2016, 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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. |
| */ |
| |
| package com.sun.tools.jdeprscan; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Comparator; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import javax.annotation.processing.AbstractProcessor; |
| import javax.annotation.processing.Messager; |
| import javax.annotation.processing.ProcessingEnvironment; |
| import javax.annotation.processing.RoundEnvironment; |
| import javax.annotation.processing.SupportedAnnotationTypes; |
| import javax.annotation.processing.SupportedSourceVersion; |
| |
| import javax.lang.model.element.ModuleElement; |
| import javax.lang.model.element.TypeElement; |
| import javax.lang.model.util.Elements; |
| |
| import static javax.lang.model.SourceVersion.RELEASE_9; |
| import javax.lang.model.element.Element; |
| import javax.lang.model.element.ElementKind; |
| import javax.lang.model.element.Modifier; |
| import javax.lang.model.element.PackageElement; |
| import javax.tools.Diagnostic; |
| |
| @SupportedSourceVersion(RELEASE_9) |
| @SupportedAnnotationTypes("*") |
| public class TraverseProc extends AbstractProcessor { |
| Elements elements; |
| Messager messager; |
| final List<String> moduleRoots; |
| Map<PackageElement, List<TypeElement>> publicTypes; |
| |
| TraverseProc(List<String> roots) { |
| moduleRoots = roots; |
| } |
| |
| @Override |
| public void init(ProcessingEnvironment pe) { |
| super.init(pe); |
| elements = pe.getElementUtils(); |
| messager = pe.getMessager(); |
| } |
| |
| @Override |
| public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { |
| if (roundEnv.processingOver()) { |
| return false; |
| } |
| |
| Set<ModuleElement> modules = new HashSet<>(); |
| for (String mname : moduleRoots) { |
| ModuleElement me = elements.getModuleElement(mname); |
| if (me == null) { |
| messager.printMessage(Diagnostic.Kind.ERROR, |
| String.format("module %s not found%n", mname)); |
| } else { |
| modules.addAll(findModules(me)); |
| } |
| } |
| |
| Set<PackageElement> packages = findPackages(modules); |
| |
| publicTypes = findPublicTypes(packages); |
| |
| return true; |
| } |
| |
| void printPublicTypes() { |
| printPublicTypes(publicTypes); |
| } |
| |
| public Map<PackageElement, List<TypeElement>> getPublicTypes() { |
| return publicTypes; |
| } |
| |
| void printPublicTypes(Map<PackageElement, List<TypeElement>> types) { |
| System.out.println("All public types:"); |
| types.entrySet().stream() |
| .sorted(Comparator.comparing(e -> e.getKey().toString())) |
| .forEach(e -> { |
| System.out.println(" " + e.getKey()); |
| e.getValue().stream() |
| .sorted(Comparator.comparing(TypeElement::toString)) |
| .forEach(t -> System.out.println(" " + t)); |
| }); |
| System.out.println(); |
| System.out.flush(); |
| } |
| |
| Set<ModuleElement> findModules(ModuleElement root) { |
| return findModules0(root, new HashSet<>(), 0); |
| } |
| |
| Set<ModuleElement> findModules0(ModuleElement m, Set<ModuleElement> set, int nesting) { |
| set.add(m); |
| for (ModuleElement.Directive dir : m.getDirectives()) { |
| if (dir.getKind() == ModuleElement.DirectiveKind.REQUIRES) { |
| ModuleElement.RequiresDirective req = (ModuleElement.RequiresDirective)dir; |
| findModules0(req.getDependency(), set, nesting + 1); |
| } |
| } |
| return set; |
| } |
| |
| Set<PackageElement> findPackages(Collection<ModuleElement> mods) { |
| Set<PackageElement> set = new HashSet<>(); |
| for (ModuleElement m : mods) { |
| for (ModuleElement.Directive dir : m.getDirectives()) { |
| if (dir.getKind() == ModuleElement.DirectiveKind.EXPORTS) { //XXX |
| ModuleElement.ExportsDirective exp = (ModuleElement.ExportsDirective)dir; |
| if (exp.getTargetModules() == null) { |
| set.add(exp.getPackage()); |
| } |
| } |
| } |
| } |
| return set; |
| } |
| |
| Map<PackageElement, List<TypeElement>> findPublicTypes(Collection<PackageElement> pkgs) { |
| Map<PackageElement, List<TypeElement>> map = new HashMap<>(); |
| for (PackageElement pkg : pkgs) { |
| List<TypeElement> enclosed = new ArrayList<>(); |
| for (Element e : pkg.getEnclosedElements()) { |
| addPublicTypes(enclosed, e); |
| } |
| map.put(pkg, enclosed); |
| } |
| return map; |
| } |
| |
| void addPublicTypes(List<TypeElement> list, Element e) { |
| ElementKind kind = e.getKind(); |
| if ((kind.isClass() || kind.isInterface()) |
| && e.getModifiers().contains(Modifier.PUBLIC)) { |
| list.add((TypeElement)e); |
| for (Element enc : e.getEnclosedElements()) { |
| addPublicTypes(list, enc); |
| } |
| } |
| } |
| } |