| /* |
| * Copyright (c) 2013, 2015, 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. |
| */ |
| |
| /* |
| * @test |
| * @bug 8026180 8132096 |
| * @summary Ensuring javax.lang.model.**, javax.tools.**, javax.annotation.processing.** |
| * and com.sun.source.** don't export inappropriate types. |
| * @library /tools/javac/lib |
| * @modules java.compiler |
| * jdk.compiler |
| * @build JavacTestingAbstractProcessor NoPrivateTypesExported |
| * @compile -processor NoPrivateTypesExported NoPrivateTypesExported.java |
| */ |
| import java.lang.annotation.Documented; |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| import javax.annotation.processing.RoundEnvironment; |
| import javax.lang.model.element.AnnotationMirror; |
| import javax.lang.model.element.AnnotationValue; |
| import javax.lang.model.element.Element; |
| import javax.lang.model.element.ElementKind; |
| import javax.lang.model.element.ExecutableElement; |
| import javax.lang.model.element.PackageElement; |
| import javax.lang.model.element.TypeElement; |
| import javax.lang.model.element.TypeParameterElement; |
| import javax.lang.model.element.VariableElement; |
| import javax.lang.model.type.ArrayType; |
| import javax.lang.model.type.DeclaredType; |
| import javax.lang.model.type.IntersectionType; |
| import javax.lang.model.type.TypeMirror; |
| import javax.lang.model.type.TypeVariable; |
| import javax.lang.model.type.WildcardType; |
| import javax.tools.Diagnostic.Kind; |
| |
| public class NoPrivateTypesExported extends JavacTestingAbstractProcessor { |
| |
| private static final String[] javaxLangModelPackages = new String[] { |
| "javax.lang.model", |
| "javax.lang.model.element", |
| "javax.lang.model.type", |
| "javax.lang.model.util", |
| }; |
| |
| private static final Set<String> javaxLangModelAcceptable; |
| |
| private static final String[] javaxToolsProcessingPackages = new String[] { |
| "javax.annotation.processing", |
| "javax.tools", |
| }; |
| |
| private static final Set<String> javaxToolsProcessingAcceptable; |
| |
| private static final String[] comSunSourcePackages = new String[] { |
| "com.sun.source.doctree", |
| "com.sun.source.tree", |
| "com.sun.source.util" |
| }; |
| |
| private static final Set<String> comSunSourceAcceptable; |
| |
| static { |
| javaxLangModelAcceptable = new HashSet<>(Arrays.asList( |
| "java.io.", |
| "java.lang.", |
| "java.net.", |
| "java.nio.", |
| "java.text.", |
| "java.util.", |
| "javax.lang.model.", |
| "javax.annotation.processing.SupportedSourceVersion" |
| )); |
| Set<String> javaxToolsProcessingAcceptableTemp = new HashSet<>(); |
| javaxToolsProcessingAcceptableTemp.addAll(javaxLangModelAcceptable); |
| javaxToolsProcessingAcceptableTemp.addAll(Arrays.asList( |
| "javax.annotation.processing.", |
| "javax.tools." |
| )); |
| javaxToolsProcessingAcceptable = javaxToolsProcessingAcceptableTemp; |
| Set<String> comSunSourceAcceptableTemp = new HashSet<>(); |
| comSunSourceAcceptableTemp.addAll(javaxToolsProcessingAcceptable); |
| comSunSourceAcceptableTemp.addAll(Arrays.asList( |
| "com.sun.source.doctree.", |
| "com.sun.source.tree.", |
| "com.sun.source.util." |
| )); |
| comSunSourceAcceptable = comSunSourceAcceptableTemp; |
| } |
| |
| @Override |
| public boolean process(Set<? extends TypeElement> annotations, |
| RoundEnvironment roundEnv) { |
| if (roundEnv.processingOver()) { |
| verifyPackage(javaxLangModelPackages, javaxLangModelAcceptable); |
| verifyPackage(javaxToolsProcessingPackages, javaxToolsProcessingAcceptable); |
| verifyPackage(comSunSourcePackages, comSunSourceAcceptable); |
| } |
| return true; |
| } |
| |
| private void verifyPackage(String[] packagesToTest, Set<String> acceptable) { |
| for (String packageToTest : packagesToTest) { |
| PackageElement packageElement = processingEnv.getElementUtils() |
| .getPackageElement(packageToTest); |
| |
| verifyReferredTypesAcceptable(packageElement, acceptable); |
| } |
| } |
| |
| private void verifyReferredTypesAcceptable(Element rootElement, |
| final Set<String> acceptable) { |
| new ElementScanner<Void, Void>() { |
| @Override public Void visitType(TypeElement e, Void p) { |
| verifyTypeAcceptable(e.getSuperclass(), acceptable); |
| verifyTypesAcceptable(e.getInterfaces(), acceptable); |
| scan(e.getTypeParameters(), p); |
| scan(e.getEnclosedElements(), p); |
| verifyAnnotations(e.getAnnotationMirrors(), acceptable); |
| return null; |
| } |
| @Override public Void visitTypeParameter(TypeParameterElement e, Void p) { |
| verifyTypesAcceptable(e.getBounds(), acceptable); |
| scan(e.getEnclosedElements(), p); |
| verifyAnnotations(e.getAnnotationMirrors(), acceptable); |
| return null; |
| } |
| @Override public Void visitPackage(PackageElement e, Void p) { |
| scan(e.getEnclosedElements(), p); |
| verifyAnnotations(e.getAnnotationMirrors(), acceptable); |
| return null; |
| } |
| @Override public Void visitVariable(VariableElement e, Void p) { |
| verifyTypeAcceptable(e.asType(), acceptable); |
| scan(e.getEnclosedElements(), p); |
| verifyAnnotations(e.getAnnotationMirrors(), acceptable); |
| return null; |
| } |
| @Override |
| public Void visitExecutable(ExecutableElement e, Void p) { |
| scan(e.getTypeParameters(), p); |
| verifyTypeAcceptable(e.getReturnType(), acceptable); |
| scan(e.getParameters(), p); |
| verifyTypesAcceptable(e.getThrownTypes(), acceptable); |
| scan(e.getEnclosedElements(), p); |
| verifyAnnotations(e.getAnnotationMirrors(), acceptable); |
| return null; |
| } |
| }.scan(rootElement, null); |
| } |
| |
| private void verifyAnnotations(Iterable<? extends AnnotationMirror> annotations, |
| Set<String> acceptable) { |
| for (AnnotationMirror mirror : annotations) { |
| Element annotationElement = mirror.getAnnotationType().asElement(); |
| |
| if (annotationElement.getAnnotation(Documented.class) == null) { |
| note("Ignoring undocumented annotation: " + mirror.getAnnotationType()); |
| } |
| |
| verifyTypeAcceptable(mirror.getAnnotationType(), acceptable); |
| |
| for (AnnotationValue value : mirror.getElementValues().values()) { |
| verifyAnnotationValue(value, acceptable); |
| } |
| } |
| } |
| |
| private void verifyAnnotationValue(AnnotationValue value, |
| final Set<String> acceptable) { |
| value.accept(new SimpleAnnotationValueVisitor<Void, Void>() { |
| @Override public Void visitType(TypeMirror t, Void p) { |
| verifyTypeAcceptable(t, acceptable); |
| return null; |
| } |
| @Override |
| public Void visitEnumConstant(VariableElement c, Void p) { |
| verifyReferredTypesAcceptable(c, acceptable); |
| return null; |
| } |
| @Override public Void visitArray(List<? extends AnnotationValue> vals, |
| Void p) { |
| for (AnnotationValue val : vals) { |
| val.accept(this, p); |
| } |
| return null; |
| } |
| @Override public Void visitBoolean(boolean b, Void p) { |
| return null; |
| } |
| @Override public Void visitByte(byte b, Void p) { |
| return null; |
| } |
| @Override public Void visitChar(char c, Void p) { |
| return null; |
| } |
| @Override public Void visitDouble(double d, Void p) { |
| return null; |
| } |
| @Override public Void visitFloat(float f, Void p) { |
| return null; |
| } |
| @Override public Void visitInt(int i, Void p) { |
| return null; |
| } |
| @Override public Void visitLong(long i, Void p) { |
| return null; |
| } |
| @Override public Void visitShort(short s, Void p) { |
| return null; |
| } |
| @Override public Void visitString(String s, Void p) { |
| return null; |
| } |
| @Override protected Void defaultAction(Object o, Void p) { |
| error("Unexpected AnnotationValue: " + o.toString()); |
| return super.defaultAction(o, p); |
| } |
| }, null); |
| } |
| |
| private void verifyTypesAcceptable(Iterable<? extends TypeMirror> types, |
| Set<String> acceptable) { |
| if (types == null) return ; |
| |
| for (TypeMirror type : types) { |
| verifyTypeAcceptable(type, acceptable); |
| } |
| } |
| |
| private void verifyTypeAcceptable(TypeMirror type, Set<String> acceptable) { |
| if (type == null) return ; |
| |
| verifyAnnotations(type.getAnnotationMirrors(), acceptable); |
| |
| switch (type.getKind()) { |
| case BOOLEAN: case BYTE: case CHAR: case DOUBLE: case FLOAT: |
| case INT: case LONG: case SHORT: case VOID: case NONE: case NULL: |
| return ; |
| case DECLARED: |
| DeclaredType dt = (DeclaredType) type; |
| TypeElement outermostTypeElement = outermostTypeElement(dt.asElement()); |
| String outermostType = outermostTypeElement.getQualifiedName().toString(); |
| boolean isAcceptable = false; |
| for (String acceptablePackage : acceptable) { |
| if (outermostType.startsWith(acceptablePackage)) { |
| isAcceptable = true; |
| break; |
| } |
| } |
| if (!isAcceptable) { |
| error("Type not acceptable for this API: " + dt.toString()); |
| } |
| |
| for (TypeMirror bound : dt.getTypeArguments()) { |
| verifyTypeAcceptable(bound, acceptable); |
| } |
| break; |
| case ARRAY: |
| verifyTypeAcceptable(((ArrayType) type).getComponentType(), acceptable); |
| break; |
| case INTERSECTION: |
| for (TypeMirror element : ((IntersectionType) type).getBounds()) { |
| verifyTypeAcceptable(element, acceptable); |
| } |
| break; |
| case TYPEVAR: |
| verifyTypeAcceptable(((TypeVariable) type).getLowerBound(), acceptable); |
| verifyTypeAcceptable(((TypeVariable) type).getUpperBound(), acceptable); |
| break; |
| case WILDCARD: |
| verifyTypeAcceptable(((WildcardType) type).getExtendsBound(), acceptable); |
| verifyTypeAcceptable(((WildcardType) type).getSuperBound(), acceptable); |
| break; |
| default: |
| error("Type not acceptable for this API: " + type.toString()); |
| break; |
| |
| } |
| } |
| |
| private TypeElement outermostTypeElement(Element el) { |
| while (el.getEnclosingElement().getKind() != ElementKind.PACKAGE) { |
| el = el.getEnclosingElement(); |
| } |
| |
| return (TypeElement) el; |
| } |
| |
| private void error(String text) { |
| processingEnv.getMessager().printMessage(Kind.ERROR, text); |
| } |
| |
| private void note(String text) { |
| processingEnv.getMessager().printMessage(Kind.NOTE, text); |
| } |
| } |