Mercurial > jdk8-mips64-public > langtools / file comparison

comparison: test/tools/javadoc/lib/Tester.java

test/tools/javadoc/lib/Tester.java

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1 /*
2 * Copyright (c) 2003, 2008, 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 * A utility used to invoke and test the javadoc tool.
26 *
27 * @author Scott Seligman
28 */
29
30
31 import java.io.*;
32 import java.util.*;
33 import com.sun.javadoc.*;
34
35
36 public class Tester {
37
38 protected final String TEST_SRC = System.getProperty("test.src", ".");
39 protected final String TEST_CLASSES = System.getProperty("test.classes",
40 ".");
41 private final String DEFAULT_ARGS[] = {
42 "-sourcepath", TEST_SRC,
43 };
44
45 private final File outputFile = new File(TEST_CLASSES, "testrun.out");
46 private final File expectedOutputFile = new File(TEST_SRC, "expected.out");
47 // private final File bootstrapMarkerFile = new File("bootstrap");
48
49 // True if we should "set expectations" by writing the expected output file
50 // rather than reading it and comparing.
51 // private final boolean bootstrap = bootstrapMarkerFile.isFile();
52
53 private String docletName;
54 private String[] args;
55 private Writer out = null;
56
57
58 /*
59 * Individual tests can extend this to create generics-aware doclets.
60 */
61 public static abstract class Doclet extends com.sun.javadoc.Doclet {
62 public static LanguageVersion languageVersion() {
63 return LanguageVersion.JAVA_1_5;
64 }
65 }
66
67
68 public Tester(String docletName) {
69 this(docletName, new String[0]);
70 }
71
72 public Tester(String docletName, String... additionalArgs) {
73 this.docletName = docletName;
74
75 int len = DEFAULT_ARGS.length + additionalArgs.length;
76 args = new String[len];
77 System.arraycopy(DEFAULT_ARGS, 0, args, 0, DEFAULT_ARGS.length);
78 System.arraycopy(additionalArgs, 0, args, DEFAULT_ARGS.length,
79 additionalArgs.length);
80
81 try {
82 out = new BufferedWriter(new FileWriter(outputFile));
83 } catch (IOException e) {
84 throw new Error("Could not open output file " + outputFile);
85 }
86 }
87
88 public void run() throws IOException {
89 try {
90 if (com.sun.tools.javadoc.Main.execute("javadoc",
91 docletName,
92 getClass().getClassLoader(),
93 args) != 0) {
94 throw new Error("Javadoc errors encountered.");
95 }
96 System.out.println("--> Output written to " + outputFile);
97 } finally {
98 out.close();
99 }
100 }
101
102 /*
103 * Compare output of test run to expected output.
104 * Throw an Error if they don't match.
105 */
106 public void verify() throws IOException {
107 BufferedReader thisRun =
108 new BufferedReader(new FileReader(outputFile));
109 BufferedReader expected =
110 new BufferedReader(new FileReader(expectedOutputFile));
111
112 for (int lineNum = 1; true; lineNum++) {
113 String line1 = thisRun.readLine();
114 String line2 = expected.readLine();
115 if (line1 == null && line2 == null) {
116 return; // EOF with all lines matching
117 }
118 if (line1 == null || !line1.equals(line2)) {
119 throw new Error(outputFile + ":" + lineNum +
120 ": output doesn't match");
121 }
122 }
123 }
124
125
126 public void println(Object o) throws IOException {
127 prln(0, o);
128 }
129
130 public void println() throws IOException {
131 prln();
132 }
133
134 public void printPackage(PackageDoc p) throws IOException {
135 prPackage(0, p);
136 }
137
138 public void printClass(ClassDoc cd) throws IOException {
139 if (cd.isAnnotationType())
140 printAnnotationType((AnnotationTypeDoc)cd);
141 else
142 prClass(0, cd);
143 }
144
145 public void printAnnotationType(AnnotationTypeDoc at) throws IOException {
146 prAnnotationType(0, at);
147 }
148
149 public void printField(FieldDoc f) throws IOException {
150 prField(0, f);
151 }
152
153 public void printParameter(Parameter p) throws IOException {
154 prParameter(0, p);
155 }
156
157 public void printMethod(MethodDoc m) throws IOException {
158 prln(0, "method " + m);
159 prMethod(0, m);
160 }
161
162 public void printAnnotationTypeElement(AnnotationTypeElementDoc e)
163 throws IOException {
164 prln(0, "element " + e);
165 prMethod(0, e);
166 }
167
168 public void printConstructor(ConstructorDoc c) throws IOException {
169 prln(0, "constructor " + c);
170 prExecutable(0, c);
171 }
172
173
174 private void prPackage(int off, PackageDoc p) throws IOException {
175 prln(off, "package " + p);
176 prAnnotations(off + 2, p.annotations());
177 }
178
179 private void prClass(int off, ClassDoc cd) throws IOException {
180 prln(off,
181 (cd.isInterface() ? "interface" : cd.isEnum() ? "enum" : "class")
182 + " " + cd);
183 prln(off + 2, "name: " + cd.simpleTypeName() + " / " +
184 cd.typeName() + " / " + cd.qualifiedTypeName());
185 prAnnotations(off + 2, cd.annotations());
186 prLabel(off + 2, "type parameters");
187 for (Type t : cd.typeParameters())
188 prln(off + 4, t);
189 prParamTags(off + 2, cd.typeParamTags());
190 prLabel(off + 2, "nested in");
191 prln(off + 4, cd.containingClass());
192 prLabel(off + 2, "superclass");
193 prln(off + 4, cd.superclassType());
194 prLabel(off + 2, "interfaces");
195 Type[] ts = cd.interfaceTypes();
196 Arrays.sort(ts);
197 for (Type t : ts)
198 prln(off + 4, t);
199 prLabel(off + 2, "enum constants");
200 for (FieldDoc f : cd.enumConstants())
201 prln(off + 4, f.name());
202 prLabel(off + 2, "fields");
203 for (FieldDoc f : cd.fields())
204 prln(off + 4, f.type() + " " + f.name());
205 prLabel(off + 2, "constructors");
206 for (ConstructorDoc c : cd.constructors())
207 prln(off + 4, c.name() + c.flatSignature());
208 prLabel(off + 2, "methods");
209 for (MethodDoc m : cd.methods())
210 prln(off + 4, typeUseString(m.returnType()) + " " +
211 m.name() + m.flatSignature());
212 }
213
214 private void prAnnotationType(int off, AnnotationTypeDoc at)
215 throws IOException {
216 prln(off, "@interface " + at);
217 prAnnotations(off + 2, at.annotations());
218 prLabel(off + 2, "elements");
219 for (AnnotationTypeElementDoc e : at.elements()) {
220 String def = (e.defaultValue() == null)
221 ? ""
222 : " default " + e.defaultValue();
223 prln(off + 4, typeUseString(e.returnType()) + " " + e.name() +
224 e.flatSignature() + def);
225 }
226 }
227
228 private void prField(int off, FieldDoc f) throws IOException {
229 prln(off, "field " + typeUseString(f.type()) + " " + f.name());
230 prAnnotations(off + 2, f.annotations());
231 }
232
233 private void prParameter(int off, Parameter p) throws IOException {
234 prln(off, "parameter " + p);
235 prAnnotations(off + 2, p.annotations());
236 }
237
238 private void prMethod(int off, MethodDoc m) throws IOException {
239 prExecutable(off, m);
240 prLabel(off + 2, "returns");
241 prln(off + 4, typeUseString(m.returnType()));
242 prLabel(off + 2, "overridden type");
243 prln(off + 4, m.overriddenType());
244 }
245
246 private void prExecutable(int off, ExecutableMemberDoc m)
247 throws IOException {
248 if (!m.isAnnotationTypeElement()) {
249 prln(off + 2, "signature: " + m.flatSignature());
250 prln(off + 2, " " + m.signature());
251 }
252 prAnnotations(off + 2, m.annotations());
253 prParamTags(off + 2, m.typeParamTags());
254 prParamTags(off + 2, m.paramTags());
255 prLabel(off + 2, "type parameters");
256 for (Type t : m.typeParameters())
257 prln(off + 4, t);
258 prLabel(off + 2, "throws");
259 Type[] ts = m.thrownExceptionTypes();
260 Arrays.sort(ts);
261 for (Type t : ts)
262 prln(off + 4, t);
263 }
264
265 private void prAnnotations(int off, AnnotationDesc[] as)
266 throws IOException {
267 prLabel(off, "annotations");
268 for (AnnotationDesc a : as)
269 prln(off + 2, a.toString());
270 }
271
272 private void prParamTags(int off, ParamTag tags[]) throws IOException {
273 for (ParamTag tag : tags)
274 prParamTag(off, tag);
275 }
276
277 private void prParamTag(int off, ParamTag tag) throws IOException {
278 String name = tag.parameterName();
279 if (tag.isTypeParameter()) name = "<" + name + ">";
280 prln(off, "@param " + name + " " + tag.parameterComment());
281 }
282
283
284 private String typeUseString(Type t) {
285 return (t instanceof ClassDoc || t instanceof TypeVariable)
286 ? t.typeName()
287 : t.toString();
288 }
289
290
291 // Labels queued for possible printing. Innermost is first in list.
292 List<Line> labels = new ArrayList<Line>();
293
294 // Print label if its section is nonempty.
295 void prLabel(int off, String s) {
296 while (!labels.isEmpty() && labels.get(0).off >= off)
297 labels.remove(0);
298 labels.add(0, new Line(off, s));
299 }
300
301 // Print queued labels with offsets less than "off".
302 void popLabels(int off) throws IOException {
303 while (!labels.isEmpty()) {
304 Line label = labels.remove(0);
305 if (label.off < off)
306 prln(label.off, label.o + ":");
307 }
308 }
309
310 // Print "o" at given offset.
311 void pr(int off, Object o) throws IOException {
312 popLabels(off);
313 for (int i = 0; i < off; i++)
314 out.write(' ');
315 if (o != null)
316 out.write(o.toString());
317 }
318
319 // Print "o" (if non-null) at given offset, then newline.
320 void prln(int off, Object o) throws IOException {
321 if (o != null) {
322 pr(off, o);
323 prln();
324 }
325 }
326
327 // Print newline.
328 void prln() throws IOException {
329 out.write('\n'); // don't want platform-dependent separator
330 }
331
332
333 static class Line {
334 int off;
335 Object o;
336 Line(int off, Object o) { this.off = off; this.o = o; }
337 }
338 }

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