1 /*
   2  * Copyright (c) 2015, 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 8068737
  27  * @summary Tests ArrayType.toString with type annotations present
  28  * @modules jdk.compiler/com.sun.tools.javac.code
  29  * @build ArrayTypeToString
  30  * @compile/ref=ArrayTypeToString.out -XDaccessInternalAPI -XDrawDiagnostics -processor ArrayTypeToString -proc:only ArrayTypeToString.java
  31  */
  32 
  33 import java.lang.annotation.ElementType;
  34 import java.lang.annotation.Retention;
  35 import java.lang.annotation.RetentionPolicy;
  36 import java.lang.annotation.Target;
  37 import java.util.Set;
  38 
  39 import javax.annotation.processing.AbstractProcessor;
  40 import javax.annotation.processing.RoundEnvironment;
  41 import javax.annotation.processing.SupportedAnnotationTypes;
  42 import javax.annotation.processing.SupportedSourceVersion;
  43 import javax.lang.model.SourceVersion;
  44 import javax.lang.model.element.Element;
  45 import javax.lang.model.element.TypeElement;
  46 import javax.tools.Diagnostic.Kind;
  47 
  48 import com.sun.tools.javac.code.Symbol.VarSymbol;
  49 
  50 @Retention(RetentionPolicy.SOURCE)
  51 @Target({ ElementType.TYPE_USE, ElementType.FIELD })
  52 @interface Foo {
  53     int value();
  54 }
  55 
  56 @SupportedAnnotationTypes("Foo")
  57 @SupportedSourceVersion(SourceVersion.RELEASE_9)
  58 public class ArrayTypeToString extends AbstractProcessor {
  59     @Foo(0) String @Foo(1)[] @Foo(2)[] @Foo(3)[] field;
  60 
  61     public boolean process(Set<? extends TypeElement> tes, RoundEnvironment renv) {
  62         for (TypeElement te : tes) {
  63             for (Element e : renv.getElementsAnnotatedWith(te)) {
  64                 String s = ((VarSymbol) e).type.toString();
  65 
  66                 // Normalize output by removing whitespace
  67                 s = s.replaceAll("\\s", "");
  68 
  69                 // Expected: "@Foo(0)java.lang.String@Foo(3)[]@Foo(2)[]@Foo(1)[]"
  70                 processingEnv.getMessager().printMessage(Kind.NOTE, s);
  71             }
  72         }
  73         return true;
  74     }
  75 }