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 }