| /* |
| * Copyright (c) 2006, 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 6380016 |
| * @summary Test that the constraints guaranteed by the Filer and maintained |
| * @author Joseph D. Darcy |
| * @build TestNames |
| * @compile -processor TestNames -proc:only TestNames.java |
| */ |
| |
| import java.util.Set; |
| import javax.annotation.processing.*; |
| import javax.lang.model.SourceVersion; |
| import static javax.lang.model.SourceVersion.*; |
| import javax.lang.model.element.*; |
| import javax.lang.model.util.*; |
| import static javax.lang.model.util.ElementFilter.*; |
| import static javax.tools.Diagnostic.Kind.*; |
| import static javax.tools.StandardLocation.*; |
| |
| import java.io.*; |
| |
| /** |
| * Basic tests of semantics of javax.lang.model.element.Name |
| */ |
| @SupportedAnnotationTypes("*") |
| public class TestNames extends AbstractProcessor { |
| private int round = 0; |
| private Filer filer; |
| private Elements eltUtils; |
| |
| String stringStringName = "java.lang.String"; |
| Name stringName = null; |
| |
| public boolean process(Set<? extends TypeElement> annotations, |
| RoundEnvironment roundEnv) { |
| round++; |
| if (!roundEnv.processingOver()) { |
| boolean failed = false; |
| |
| switch(round) { |
| case 1: |
| |
| TypeElement stringMirror = eltUtils.getTypeElement(stringStringName); |
| stringName = stringMirror.getQualifiedName(); |
| Name stringPseudoName = Pseudonym.getName(stringName.toString()); |
| |
| |
| if (stringName.equals(stringPseudoName)) |
| failed = true; |
| if (!stringName.contentEquals(stringStringName)) |
| failed = true; |
| if (!stringName.contentEquals(stringPseudoName)) |
| failed = true; |
| |
| |
| try { |
| // Force another round with a new context |
| PrintWriter pw = new PrintWriter(filer.createSourceFile("Foo").openWriter()); |
| pw.println("public class Foo {}"); |
| pw.close(); |
| } catch (IOException ioe) { |
| throw new RuntimeException(); |
| } |
| break; |
| |
| case 2: |
| Name stringStringAsName = eltUtils.getName(stringStringName); |
| TypeElement stringMirror2 = eltUtils.getTypeElement(stringStringName); |
| Name stringName2 = stringMirror2.getQualifiedName(); |
| |
| if (stringStringAsName != stringName || |
| stringName != stringName2) |
| failed = true; |
| break; |
| |
| default: |
| throw new RuntimeException("Unexpected round " + round); |
| } |
| |
| if (failed) |
| throw new RuntimeException("Invalid name equality checks."); |
| } |
| return true; |
| } |
| |
| public SourceVersion getSupportedSourceVersion() { |
| return SourceVersion.latest(); |
| } |
| |
| public void init(ProcessingEnvironment processingEnv) { |
| super.init(processingEnv); |
| filer = processingEnv.getFiler(); |
| eltUtils = processingEnv.getElementUtils(); |
| } |
| |
| private static class Pseudonym implements Name { |
| private String name; |
| |
| private Pseudonym(String name) { |
| this.name = name; |
| } |
| |
| public static Pseudonym getName(String name) { |
| return new Pseudonym(name); |
| } |
| |
| public boolean contentEquals(CharSequence cs) { |
| return name.contentEquals(cs); |
| } |
| |
| public char charAt(int index) { |
| return name.charAt(index); |
| } |
| |
| public int length() { |
| return name.length(); |
| } |
| |
| public CharSequence subSequence(int start, int end) { |
| return name.subSequence(start, end); |
| } |
| |
| public String toString() { |
| return name; |
| } |
| } |
| } |