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 import java.io.*;
  25 import java.util.*;
  26 import javax.annotation.processing.*;
  27 import javax.lang.model.element.*;
  28 import javax.lang.model.SourceVersion;
  29 import javax.tools.Diagnostic.Kind;
  30 
  31 /*
  32  * @test
  33  * @bug 6499119
  34  * @summary Created package-info class file modeled improperly
  35  * @library ../../lib
  36  * @build   JavacTestingAbstractProcessor
  37  * @compile ClassProcessor.java package-info.java
  38  * @compile/process -cp . -processor ClassProcessor -Akind=java  java.lang.Object
  39  * @compile/process -cp . -processor ClassProcessor -Akind=class java.lang.Object
  40  */
  41 
  42 @SupportedOptions({ "gen", "expect" })
  43 public class ClassProcessor extends JavacTestingAbstractProcessor {
  44     int round = 1;
  45 
  46     public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
  47         if (round == 1) {
  48             System.out.println("-- Round 1 --");
  49             createPackageFile();
  50         } else if (round == 2) {
  51             boolean found_foo_A = false;
  52             System.out.println("-- Round 2 --");
  53             for(Element e: roundEnv.getRootElements()) {
  54                 System.out.println("ElementKind: " + e.getKind());
  55                 System.out.println("Modifiers:   " + e.getModifiers());
  56                 System.out.println("Annotations: " + e.getAnnotationMirrors());
  57                 if (e.getAnnotationMirrors().toString().equals("@foo.A")) {
  58                     found_foo_A = true;
  59                     checkEqual("ElementKind", e.getKind().toString(), "PACKAGE");
  60                     checkEqual("Modifiers",   e.getModifiers().toString(), "[]");
  61                 }
  62             }
  63             if (!found_foo_A)
  64                 error("did not find @foo.A");
  65         }
  66         round++;
  67         return true;
  68     }
  69 
  70     private void createPackageFile() {
  71         String kind = processingEnv.getOptions().get("kind");
  72 
  73         File pkgInfo;
  74         if (kind.equals("java"))
  75             pkgInfo = new File(System.getProperty("test.src"),     "package-info.java");
  76         else
  77             pkgInfo = new File(System.getProperty("test.classes"), "foo/package-info.class");
  78 
  79         byte[] bytes = new byte[(int) pkgInfo.length()];
  80         DataInputStream in = null;
  81         try {
  82             in = new DataInputStream(new FileInputStream(pkgInfo));
  83             in.readFully(bytes);
  84         } catch (IOException ioe) {
  85             error("Couldn't read package info file: " + ioe);
  86         } finally {
  87             if(in != null) {
  88                 try {
  89                     in.close();
  90                 } catch (IOException e) {
  91                     error("InputStream closing failed: " + e);
  92                 }
  93             }
  94         }
  95 
  96         OutputStream out = null;
  97         try {
  98             if (kind.equals("java"))
  99                 out = filer.createSourceFile("foo.package-info").openOutputStream();
 100             else
 101                 out = filer.createClassFile("foo.package-info").openOutputStream();
 102             out.write(bytes, 0, bytes.length);
 103         } catch (IOException ioe) {
 104             error("Couldn't create package info file: " + ioe);
 105         } finally {
 106             if(out != null) {
 107                 try {
 108                     out.close();
 109                 } catch (IOException e) {
 110                     error("OutputStream closing failed: " + e);
 111                 }
 112             }
 113         }
 114     }
 115 
 116     private void checkEqual(String label, String actual, String expect) {
 117         if (!actual.equals(expect)) {
 118             error("Unexpected value for " + label + "; actual=" + actual + ", expected=" + expect);
 119         }
 120     }
 121 
 122     private void error(String msg) {
 123         messager.printMessage(Kind.ERROR, msg);
 124     }
 125 }
 126