test/tools/javadoc/CheckResourceKeys.java

Wed, 14 Nov 2018 10:18:25 -0800

author
diazhou
date
Wed, 14 Nov 2018 10:18:25 -0800
changeset 3762
7909abb85562
parent 1413
bdcef2ef52d2
child 2525
2eb010b6cb22
permissions
-rw-r--r--

Added tag jdk8u201-b04 for changeset a7f48b9dfb82

     1 /*
     2  * Copyright (c) 2010, 2012, 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  */
    24 /*
    25  * @test
    26  * @bug 8000612
    27  * @summary need test program to validate javadoc resource bundles
    28  */
    30 import java.io.*;
    31 import java.util.*;
    32 import javax.tools.*;
    33 import com.sun.tools.classfile.*;
    35 /**
    36  * Compare string constants in javadoc classes against keys in javadoc resource bundles.
    37  */
    38 public class CheckResourceKeys {
    39     /**
    40      * Main program.
    41      * Options:
    42      * -finddeadkeys
    43      *      look for keys in resource bundles that are no longer required
    44      * -findmissingkeys
    45      *      look for keys in resource bundles that are missing
    46      *
    47      * @throws Exception if invoked by jtreg and errors occur
    48      */
    49     public static void main(String... args) throws Exception {
    50         CheckResourceKeys c = new CheckResourceKeys();
    51         if (c.run(args))
    52             return;
    54         if (is_jtreg())
    55             throw new Exception(c.errors + " errors occurred");
    56         else
    57             System.exit(1);
    58     }
    60     static boolean is_jtreg() {
    61         return (System.getProperty("test.src") != null);
    62     }
    64     /**
    65      * Main entry point.
    66      */
    67     boolean run(String... args) throws Exception {
    68         boolean findDeadKeys = false;
    69         boolean findMissingKeys = false;
    71         if (args.length == 0) {
    72             if (is_jtreg()) {
    73                 findDeadKeys = true;
    74                 findMissingKeys = true;
    75             } else {
    76                 System.err.println("Usage: java CheckResourceKeys <options>");
    77                 System.err.println("where options include");
    78                 System.err.println("  -finddeadkeys      find keys in resource bundles which are no longer required");
    79                 System.err.println("  -findmissingkeys   find keys in resource bundles that are required but missing");
    80                 return true;
    81             }
    82         } else {
    83             for (String arg: args) {
    84                 if (arg.equalsIgnoreCase("-finddeadkeys"))
    85                     findDeadKeys = true;
    86                 else if (arg.equalsIgnoreCase("-findmissingkeys"))
    87                     findMissingKeys = true;
    88                 else
    89                     error("bad option: " + arg);
    90             }
    91         }
    93         if (errors > 0)
    94             return false;
    96         Set<String> codeKeys = getCodeKeys();
    97         Set<String> resourceKeys = getResourceKeys();
    99         System.err.println("found " + codeKeys.size() + " keys in code");
   100         System.err.println("found " + resourceKeys.size() + " keys in resource bundles");
   102         if (findDeadKeys)
   103             findDeadKeys(codeKeys, resourceKeys);
   105         if (findMissingKeys)
   106             findMissingKeys(codeKeys, resourceKeys);
   108         return (errors == 0);
   109     }
   111     /**
   112      * Find keys in resource bundles which are probably no longer required.
   113      * A key is required if there is a string in the code that is a resource key,
   114      * or if the key is well-known according to various pragmatic rules.
   115      */
   116     void findDeadKeys(Set<String> codeKeys, Set<String> resourceKeys) {
   117         for (String rk: resourceKeys) {
   118             if (codeKeys.contains(rk))
   119                 continue;
   121             error("Resource key not found in code: " + rk);
   122         }
   123     }
   125     /**
   126      * For all strings in the code that look like they might be
   127      * a resource key, verify that a key exists.
   128      */
   129     void findMissingKeys(Set<String> codeKeys, Set<String> resourceKeys) {
   130         for (String ck: codeKeys) {
   131             if (resourceKeys.contains(ck))
   132                 continue;
   133             error("No resource for \"" + ck + "\"");
   134         }
   135     }
   137     /**
   138      * Get the set of strings from (most of) the javadoc classfiles.
   139      */
   140     Set<String> getCodeKeys() throws IOException {
   141         Set<String> results = new TreeSet<String>();
   142         JavaCompiler c = ToolProvider.getSystemJavaCompiler();
   143         JavaFileManager fm = c.getStandardFileManager(null, null, null);
   144         JavaFileManager.Location javadocLoc = findJavadocLocation(fm);
   145         String[] pkgs = {
   146             "com.sun.tools.doclets",
   147             "com.sun.tools.javadoc"
   148         };
   149         for (String pkg: pkgs) {
   150             for (JavaFileObject fo: fm.list(javadocLoc,
   151                     pkg, EnumSet.of(JavaFileObject.Kind.CLASS), true)) {
   152                 String name = fo.getName();
   153                 // ignore resource files
   154                 if (name.matches(".*resources.[A-Za-z_0-9]+\\.class.*"))
   155                     continue;
   156                 scan(fo, results);
   157             }
   158         }
   160         // special handling for code strings synthesized in
   161         // com.sun.tools.doclets.internal.toolkit.util.Util.getTypeName
   162         String[] extras = {
   163             "AnnotationType", "Class", "Enum", "Error", "Exception", "Interface"
   164         };
   165         for (String s: extras) {
   166             if (results.contains("doclet." + s))
   167                 results.add("doclet." + s.toLowerCase());
   168         }
   170         // special handling for code strings synthesized in
   171         // com.sun.tools.javadoc.Messager
   172         results.add("javadoc.error.msg");
   173         results.add("javadoc.note.msg");
   174         results.add("javadoc.note.pos.msg");
   175         results.add("javadoc.warning.msg");
   177         return results;
   178     }
   180     // depending on how the test is run, javadoc may be on bootclasspath or classpath
   181     JavaFileManager.Location findJavadocLocation(JavaFileManager fm) {
   182         JavaFileManager.Location[] locns =
   183             { StandardLocation.PLATFORM_CLASS_PATH, StandardLocation.CLASS_PATH };
   184         try {
   185             for (JavaFileManager.Location l: locns) {
   186                 JavaFileObject fo = fm.getJavaFileForInput(l,
   187                     "com.sun.tools.javadoc.Main", JavaFileObject.Kind.CLASS);
   188                 if (fo != null) {
   189                     System.err.println("found javadoc in " + l);
   190                     return l;
   191                 }
   192             }
   193         } catch (IOException e) {
   194             throw new Error(e);
   195         }
   196         throw new IllegalStateException("Cannot find javadoc");
   197     }
   199     /**
   200      * Get the set of strings from a class file.
   201      * Only strings that look like they might be a resource key are returned.
   202      */
   203     void scan(JavaFileObject fo, Set<String> results) throws IOException {
   204         //System.err.println("scan " + fo.getName());
   205         InputStream in = fo.openInputStream();
   206         try {
   207             ClassFile cf = ClassFile.read(in);
   208             for (ConstantPool.CPInfo cpinfo: cf.constant_pool.entries()) {
   209                 if (cpinfo.getTag() == ConstantPool.CONSTANT_Utf8) {
   210                     String v = ((ConstantPool.CONSTANT_Utf8_info) cpinfo).value;
   211                     if (v.matches("(doclet|main|javadoc|tag)\\.[A-Za-z0-9-_.]+"))
   212                         results.add(v);
   213                 }
   214             }
   215         } catch (ConstantPoolException ignore) {
   216         } finally {
   217             in.close();
   218         }
   219     }
   221     /**
   222      * Get the set of keys from the javadoc resource bundles.
   223      */
   224     Set<String> getResourceKeys() {
   225         String[] names = {
   226                 "com.sun.tools.doclets.formats.html.resources.standard",
   227                 "com.sun.tools.doclets.internal.toolkit.resources.doclets",
   228                 "com.sun.tools.javadoc.resources.javadoc",
   229         };
   230         Set<String> results = new TreeSet<String>();
   231         for (String name : names) {
   232             ResourceBundle b = ResourceBundle.getBundle(name);
   233             results.addAll(b.keySet());
   234         }
   235         return results;
   236     }
   238     /**
   239      * Report an error.
   240      */
   241     void error(String msg) {
   242         System.err.println("Error: " + msg);
   243         errors++;
   244     }
   246     int errors;
   247 }

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