1 /*
2 * Copyright (c) 2010, 2016, 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 /*
25 * @test
26 * @bug 8000612
27 * @summary need test program to validate javadoc resource bundles
28 * @modules jdk.javadoc/jdk.javadoc.internal.tool
29 * jdk.jdeps/com.sun.tools.classfile
30 */
31
32 import java.io.*;
33 import java.lang.reflect.Layer;
34 import java.lang.reflect.Module;
35 import java.util.*;
36 import javax.tools.*;
37 import com.sun.tools.classfile.*;
38
39 /**
40 * Compare string constants in javadoc classes against keys in javadoc resource bundles.
41 */
42 public class CheckResourceKeys {
43 /**
44 * Main program.
45 * Options:
46 * -finddeadkeys
47 * look for keys in resource bundles that are no longer required
48 * -findmissingkeys
49 * look for keys in resource bundles that are missing
50 *
51 * @throws Exception if invoked by jtreg and errors occur
52 */
53 public static void main(String... args) throws Exception {
54 CheckResourceKeys c = new CheckResourceKeys();
55 if (c.run(args))
56 return;
57
58 if (is_jtreg())
59 throw new Exception(c.errors + " errors occurred");
60 else
61 System.exit(1);
62 }
63
64 static boolean is_jtreg() {
65 return (System.getProperty("test.src") != null);
66 }
67
68 /**
69 * Main entry point.
70 */
71 boolean run(String... args) throws Exception {
72 boolean findDeadKeys = false;
73 boolean findMissingKeys = false;
74
75 if (args.length == 0) {
76 if (is_jtreg()) {
77 findDeadKeys = true;
78 findMissingKeys = true;
79 } else {
80 System.err.println("Usage: java CheckResourceKeys <options>");
81 System.err.println("where options include");
82 System.err.println(" -finddeadkeys find keys in resource bundles which are no longer required");
83 System.err.println(" -findmissingkeys find keys in resource bundles that are required but missing");
84 return true;
85 }
86 } else {
87 for (String arg: args) {
88 if (arg.equalsIgnoreCase("-finddeadkeys"))
89 findDeadKeys = true;
90 else if (arg.equalsIgnoreCase("-findmissingkeys"))
91 findMissingKeys = true;
92 else
93 error("bad option: " + arg);
94 }
95 }
96
97 if (errors > 0)
98 return false;
99
100 Set<String> codeKeys = getCodeKeys();
101 Set<String> resourceKeys = getResourceKeys();
102
103 System.err.println("found " + codeKeys.size() + " keys in code");
104 System.err.println("found " + resourceKeys.size() + " keys in resource bundles");
105
106 if (findDeadKeys)
107 findDeadKeys(codeKeys, resourceKeys);
108
109 if (findMissingKeys)
110 findMissingKeys(codeKeys, resourceKeys);
111
112 usageTests(false);
113 usageTests(true);
114
115 return (errors == 0);
116 }
117
118 void usageTests(boolean xflag) {
119 String[] argarray = { xflag ? "-X" : "-help" };
120 StringWriter sw = new StringWriter();
121 PrintWriter pw = new PrintWriter(sw);
122 if (jdk.javadoc.internal.tool.Main.execute(argarray, pw) == 0) {
123 pw.flush();
124 String s = sw.toString();
125 if (s.isEmpty()) {
126 error("no javadoc output ?");
127 return;
128 }
129 if (sw.toString().contains("<MISSING KEY>")) {
130 System.out.println(s);
131 error("missing resources in output ?");
132 }
133 } else {
134 error("failed to execute javadoc");
135 }
136 }
137
138 /**
139 * Find keys in resource bundles which are probably no longer required.
140 * A key is required if there is a string in the code that is a resource key,
141 * or if the key is well-known according to various pragmatic rules.
142 */
143 void findDeadKeys(Set<String> codeKeys, Set<String> resourceKeys) {
144 for (String rk: resourceKeys) {
145 // ignore these synthesized keys, tested by usageTests
146 if (rk.startsWith("doclet.usage.") || rk.startsWith("doclet.xusage"))
147 continue;
148 if (codeKeys.contains(rk))
149 continue;
150
151 error("Resource key not found in code: '" + rk + '"');
152 }
153 }
154
155 /**
156 * For all strings in the code that look like they might be
157 * a resource key, verify that a key exists.
158 */
159 void findMissingKeys(Set<String> codeKeys, Set<String> resourceKeys) {
160 for (String ck: codeKeys) {
161 // ignore these synthesized keys, tested by usageTests
162 if (ck.startsWith("doclet.usage.") || ck.startsWith("doclet.xusage."))
163 continue;
164 if (resourceKeys.contains(ck))
165 continue;
166 error("No resource for \"" + ck + "\"");
167 }
168 }
169
170 /**
171 * Get the set of strings from (most of) the javadoc classfiles.
172 */
173 Set<String> getCodeKeys() throws IOException {
174 Set<String> results = new TreeSet<String>();
175 JavaCompiler c = ToolProvider.getSystemJavaCompiler();
176 try (JavaFileManager fm = c.getStandardFileManager(null, null, null)) {
177 JavaFileManager.Location javadocLoc = findJavadocLocation(fm);
178 String[] pkgs = {
179 "jdk.javadoc.internal.doclets",
180 "jdk.javadoc.internal.tool"
181 };
182 for (String pkg: pkgs) {
183 for (JavaFileObject fo: fm.list(javadocLoc,
184 pkg, EnumSet.of(JavaFileObject.Kind.CLASS), true)) {
185 String name = fo.getName();
186 // ignore resource files
187 if (name.matches(".*resources.[A-Za-z_0-9]+\\.class.*"))
188 continue;
189 scan(fo, results);
190 }
191 }
192
193 // special handling for code strings synthesized in
194 // com.sun.tools.doclets.internal.toolkit.util.Util.getTypeName
195 String[] extras = {
196 "AnnotationType", "Class", "Enum", "Error", "Exception", "Interface"
197 };
198 for (String s: extras) {
199 if (results.contains("doclet." + s))
200 results.add("doclet." + s.toLowerCase());
201 }
202
203 // special handling for code strings synthesized in
204 // com.sun.tools.javadoc.Messager
205 results.add("javadoc.error.msg");
206 results.add("javadoc.note.msg");
207 results.add("javadoc.note.pos.msg");
208 results.add("javadoc.warning.msg");
209
210 return results;
211 }
212 }
213
214 // depending on how the test is run, javadoc may be on bootclasspath or classpath
215 JavaFileManager.Location findJavadocLocation(JavaFileManager fm) {
216 JavaFileManager.Location[] locns =
217 { StandardLocation.PLATFORM_CLASS_PATH, StandardLocation.CLASS_PATH };
218 try {
219 for (JavaFileManager.Location l: locns) {
220 JavaFileObject fo = fm.getJavaFileForInput(l,
221 "jdk.javadoc.internal.tool.Main", JavaFileObject.Kind.CLASS);
222 if (fo != null) {
223 System.err.println("found javadoc in " + l);
224 return l;
225 }
226 }
227 } catch (IOException e) {
228 throw new Error(e);
229 }
230 throw new IllegalStateException("Cannot find javadoc");
231 }
232
233 /**
234 * Get the set of strings from a class file.
235 * Only strings that look like they might be a resource key are returned.
236 */
237 void scan(JavaFileObject fo, Set<String> results) throws IOException {
238 //System.err.println("scan " + fo.getName());
239 InputStream in = fo.openInputStream();
240 try {
241 ClassFile cf = ClassFile.read(in);
242 for (ConstantPool.CPInfo cpinfo: cf.constant_pool.entries()) {
243 if (cpinfo.getTag() == ConstantPool.CONSTANT_Utf8) {
244 String v = ((ConstantPool.CONSTANT_Utf8_info) cpinfo).value;
245 if (v.matches("(doclet|main|javadoc|tag)\\.[A-Za-z0-9-_.]+"))
246 results.add(v);
247 }
248 }
249 } catch (ConstantPoolException ignore) {
250 } finally {
251 in.close();
252 }
253 }
254
255 /**
256 * Get the set of keys from the javadoc resource bundles.
257 */
258 Set<String> getResourceKeys() {
259 Module jdk_javadoc = Layer.boot().findModule("jdk.javadoc").get();
260 String[] names = {
261 "jdk.javadoc.internal.doclets.formats.html.resources.standard",
262 "jdk.javadoc.internal.doclets.toolkit.resources.doclets",
263 "jdk.javadoc.internal.tool.resources.javadoc",
264 };
265 Set<String> results = new TreeSet<String>();
266 for (String name : names) {
267 ResourceBundle b = ResourceBundle.getBundle(name, jdk_javadoc);
268 results.addAll(b.keySet());
269 }
270 return results;
271 }
272
273 /**
274 * Report an error.
275 */
276 void error(String msg) {
277 System.err.println("Error: " + msg);
278 errors++;
279 }
280
281 int errors;
282 }