1 /*
2 * Copyright (c) 2010, 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 6519115
27 * @summary Verify MirroredTypeException vs MirroredTypesException is thrown
28 * @compile Plurality.java
29 * @compile -processor Plurality -proc:only Plurality.java
30 * @author Joseph D. Darcy
31 */
32 import java.lang.annotation.*;
33 import java.math.BigDecimal;
34 import java.util.*;
35 import javax.annotation.processing.*;
36 import javax.lang.model.*;
37 import javax.lang.model.element.*;
38 import javax.lang.model.type.*;
39 import javax.lang.model.util.*;
40
41 @SupportedAnnotationTypes("*")
42 @P0
43 @P1
44 @P2
45 @S1
46 public class Plurality extends AbstractProcessor {
47 private boolean executed = false;
48
49 Elements elements;
50 Types types;
51
52 @Override
53 public void init(ProcessingEnvironment penv) {
54 super.init(penv);
55 elements = penv.getElementUtils();
56 types = penv.getTypeUtils();
57 }
58
59
60 public boolean process(Set<? extends TypeElement> annotations,
61 RoundEnvironment roundEnv) {
62 if (!roundEnv.processingOver()) {
63 executed = true;
64 // Processing just this type
65 Element e = elements.getTypeElement("Plurality");
66 Class[] classes = null;
67
68 P0 p0 = e.getAnnotation(P0.class);
69 try {
70 classes = p0.value();
71 } catch (MirroredTypesException mtse) {
72 if (mtse instanceof MirroredTypeException) {
73 throw new RuntimeException("Wrong exception type!");
74 }
75
76 List<? extends TypeMirror> types = mtse.getTypeMirrors();
77 if (types.size() != 0)
78 throw new RuntimeException("List size != 0: " +
79 types);
80 }
81
82 P1 p1 = e.getAnnotation(P1.class);
83 try {
84 classes = p1.value();
85 } catch (MirroredTypesException mtse) {
86 if (mtse instanceof MirroredTypeException) {
87 throw new RuntimeException("Wrong exception type!");
88 }
89
90 List<? extends TypeMirror> types = mtse.getTypeMirrors();
91 if (types.size() != 1)
92 throw new RuntimeException("List size != 1: " +
93 types);
94 checkTypeListMatchesClasses(types,
95 this.getClass().getAnnotation(P1.class).value());
96 }
97
98
99 P2 p2 = e.getAnnotation(P2.class);
100 try {
101 classes = p2.value();
102 } catch(MirroredTypesException mtse) {
103 if (mtse instanceof MirroredTypeException) {
104 throw new RuntimeException("Wrong exception type!");
105 }
106
107 List<? extends TypeMirror> types = mtse.getTypeMirrors();
108 if (types.size() != 2)
109 throw new RuntimeException("List size != 2: " +
110 types);
111 checkTypeListMatchesClasses(types,
112 this.getClass().getAnnotation(P2.class).value());
113 }
114
115 Class<?> clazz = null;
116 S1 s1 = e.getAnnotation(S1.class);
117 try {
118 clazz = s1.value();
119 } catch(MirroredTypesException mtse) {
120 List<? extends TypeMirror> types = mtse.getTypeMirrors();
121 if (types.size() != 1)
122 throw new RuntimeException("List size != 1: " +
123 types);
124 Class<?>[] clazzes = new Class<?>[1];
125 clazzes[0] = this.getClass().getAnnotation(S1.class).value();
126 checkTypeListMatchesClasses(types,
127 clazzes);
128 }
129
130 try {
131 clazz = s1.value();
132 } catch(MirroredTypeException mte) {
133 TypeMirror type = mte.getTypeMirror();
134 if (type == null) {
135 throw new RuntimeException("Expected null");
136 }
137 List<TypeMirror> types = new ArrayList<>();
138 types.add(type);
139 Class<?>[] clazzes = new Class<?>[1];
140 clazzes[0] = this.getClass().getAnnotation(S1.class).value();
141 checkTypeListMatchesClasses(types, clazzes);
142 }
143 } else {
144 if (!executed) {
145 throw new RuntimeException("Didn't seem to do anything!");
146 }
147 }
148 return true;
149 }
150
151 private static void checkTypeListMatchesClasses(List<? extends TypeMirror> types,
152 Class<?>[] classes) {
153 if (types.size() != classes.length)
154 throw new RuntimeException("Size mismatch:\n\t" + types +
155 "\n\t" + Arrays.toString(classes));
156 int i = -1;
157 for(Class<?> clazz : classes) {
158 i++;
159 String canonicalName = clazz.getCanonicalName();
160 String toStringName = types.get(i).toString();
161 if (!canonicalName.equals(toStringName))
162 throw new RuntimeException("Mismatched names: " +
163 canonicalName + "\t" +
164 toStringName);
165 }
166 }
167
168 @Override
169 public SourceVersion getSupportedSourceVersion() {
170 return SourceVersion.latest();
171 }
172 }
173
174 @Retention(RetentionPolicy.RUNTIME)
175 @interface P0 {
176 Class[] value() default {};
177 }
178
179 @Retention(RetentionPolicy.RUNTIME)
180 @interface P1 {
181 Class[] value() default {Integer.class};
182 }
183
184 @Retention(RetentionPolicy.RUNTIME)
185 @interface P2 {
186 Class[] value() default {String.class, Number.class};
187 }
188
189 @Retention(RetentionPolicy.RUNTIME)
190 @interface S1 {
191 Class value() default BigDecimal.class;
192 }