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  * @compile ClassProcessor.java package-info.java
  36  * @compile/process -cp . -processor ClassProcessor -Akind=java  java.lang.Object
  37  * @compile/process -cp . -processor ClassProcessor -Akind=class java.lang.Object
  38  */
  39 
  40 @SupportedOptions({ "gen", "expect" })
  41 @SupportedAnnotationTypes({"*"})
  42 public class ClassProcessor extends AbstractProcessor {
  43     int round = 1;
  44 
  45     public SourceVersion getSupportedSourceVersion() {
  46         return SourceVersion.latest();
  47     }
  48 
  49     public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
  50         if (round == 1) {
  51             System.out.println("-- Round 1 --");
  52             createPackageFile();
  53         } else if (round == 2) {
  54             boolean found_foo_A = false;
  55             System.out.println("-- Round 2 --");
  56             for(Element e: roundEnv.getRootElements()) {
  57                 System.out.println("ElementKind: " + e.getKind());
  58                 System.out.println("Modifiers:   " + e.getModifiers());
  59                 System.out.println("Annotations: " + e.getAnnotationMirrors());
  60                 if (e.getAnnotationMirrors().toString().equals("@foo.A")) {
  61                     found_foo_A = true;
  62                     checkEqual("ElementKind", e.getKind().toString(), "PACKAGE");
  63                     checkEqual("Modifiers",   e.getModifiers().toString(), "[]");
  64                 }
  65             }
  66             if (!found_foo_A)
  67                 error("did not find @foo.A");
  68         }
  69         round++;
  70         return true;
  71     }
  72 
  73     private void createPackageFile() {
  74         Filer filer = processingEnv.getFiler();
  75 
  76         String kind = processingEnv.getOptions().get("kind");
  77 
  78         File pkgInfo;
  79         if (kind.equals("java"))
  80             pkgInfo = new File(System.getProperty("test.src"),     "package-info.java");
  81         else
  82             pkgInfo = new File(System.getProperty("test.classes"), "foo/package-info.class");
  83 
  84         byte[] bytes = new byte[(int) pkgInfo.length()];
  85         DataInputStream in = null;
  86         try {
  87             in = new DataInputStream(new FileInputStream(pkgInfo));
  88             in.readFully(bytes);
  89         } catch (IOException ioe) {
  90             error("Couldn't read package info file: " + ioe);
  91         } finally {
  92             if(in != null) {
  93                 try {
  94                     in.close();
  95                 } catch (IOException e) {
  96                     error("InputStream closing failed: " + e);
  97                 }
  98             }
  99         }
 100 
 101         OutputStream out = null;
 102         try {
 103             if (kind.equals("java"))
 104                 out = filer.createSourceFile("foo.package-info").openOutputStream();
 105             else
 106                 out = filer.createClassFile("foo.package-info").openOutputStream();
 107             out.write(bytes, 0, bytes.length);
 108         } catch (IOException ioe) {
 109             error("Couldn't create package info file: " + ioe);
 110         } finally {
 111             if(out != null) {
 112                 try {
 113                     out.close();
 114                 } catch (IOException e) {
 115                     error("OutputStream closing failed: " + e);
 116                 }
 117             }
 118         }
 119     }
 120 
 121     private void checkEqual(String label, String actual, String expect) {
 122         if (!actual.equals(expect)) {
 123             error("Unexpected value for " + label + "; actual=" + actual + ", expected=" + expect);
 124         }
 125     }
 126 
 127     private void error(String msg) {
 128         Messager messager = processingEnv.getMessager();
 129         messager.printMessage(Kind.ERROR, msg);
 130     }
 131 }
 132