1 /*
   2  * Copyright (c) 2018, 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 import java.beans.BeanInfo;
  25 import java.beans.IntrospectionException;
  26 import java.beans.Introspector;
  27 import java.io.IOException;
  28 import java.net.URI;
  29 import java.nio.file.FileSystem;
  30 import java.nio.file.FileSystems;
  31 import java.nio.file.FileVisitResult;
  32 import java.nio.file.Files;
  33 import java.nio.file.Path;
  34 import java.nio.file.SimpleFileVisitor;
  35 import java.nio.file.attribute.BasicFileAttributes;
  36 
  37 /**
  38  * @test
  39  * @bug 8205454
  40  */
  41 public final class TypoInBeanDescription {
  42 
  43     private static final String[] typos = {"&", "<", ">", """};
  44 
  45     public static void main(final String[] args) throws IOException {
  46         FileSystem fs = FileSystems.getFileSystem(URI.create("jrt:/"));
  47         Files.walkFileTree(fs.getPath("/modules/java.desktop"), new SimpleFileVisitor<>() {
  48             @Override
  49             public FileVisitResult visitFile(Path file,
  50                                              BasicFileAttributes attrs) {
  51                 file = file.subpath(2, file.getNameCount());
  52                 String name = file.toString();
  53                 if (name.endsWith(".class")) {
  54                     name = name.substring(0, name.indexOf(".")).replace('/', '.');
  55 
  56                     final Class<?> type;
  57                     try {
  58                         type = Class.forName(name);
  59                     } catch (Throwable e) {
  60                         return FileVisitResult.CONTINUE;
  61                     }
  62                     final BeanInfo beanInfo;
  63                     try {
  64                         beanInfo = Introspector.getBeanInfo(type);
  65                     } catch (IntrospectionException e) {
  66                         return FileVisitResult.CONTINUE;
  67                     }
  68                     test(beanInfo);
  69                 }
  70                 return FileVisitResult.CONTINUE;
  71             }
  72         });
  73     }
  74 
  75     private static void test(final BeanInfo beanInfo) {
  76         for (var pd : beanInfo.getPropertyDescriptors()) {
  77             String d = pd.getShortDescription();
  78             String n = pd.getName();
  79             String dn = pd.getDisplayName();
  80             for (String typo : typos) {
  81                 if (d.contains(typo) || n.contains(typo) || dn.contains(typo)) {
  82                     throw new RuntimeException("Wrong name: " + beanInfo.getBeanDescriptor());
  83                 }
  84             }
  85         }
  86     }
  87 }