1/* 2 * Copyright (c) 2006, 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 6380018 6392177 6993311 27 * @summary Test the ability to create and process package-info.java files 28 * @author Joseph D. Darcy 29 * @library /tools/javac/lib 30 * @modules java.compiler 31 * jdk.compiler 32 * @build JavacTestingAbstractProcessor 33 * @compile TestPackageInfo.java 34 * @compile -processor TestPackageInfo -proc:only foo/bar/package-info.java TestPackageInfo.java 35 */ 36 37import java.util.Set; 38import java.util.HashSet; 39import java.util.Map; 40import javax.annotation.processing.*; 41import javax.lang.model.SourceVersion; 42import static javax.lang.model.SourceVersion.*; 43import javax.lang.model.element.*; 44import javax.lang.model.util.*; 45import static javax.lang.model.util.ElementFilter.*; 46import static javax.tools.Diagnostic.Kind.*; 47import static javax.tools.StandardLocation.*; 48 49import java.io.*; 50 51/** 52 * Test the ability to process annotations on package-info.java files: 53 * 1) Visibility of package-info files from the command line 54 * 2) Visibility of generated package-info.java source files 55 */ 56public class TestPackageInfo extends JavacTestingAbstractProcessor { 57 private int round = 0; 58 59 public boolean process(Set<? extends TypeElement> annotations, 60 RoundEnvironment roundEnv) { 61 round++; 62 63 // Verify annotations are as expected 64 Set<TypeElement> expectedAnnotations = new HashSet<TypeElement>(); 65 expectedAnnotations.add(eltUtils.getTypeElement("java.lang.Deprecated")); 66 67 if (!roundEnv.processingOver()) { 68 System.out.println("\nRound " + round); 69 int rootElementSize = roundEnv.getRootElements().size(); 70 71 for(Element elt : roundEnv.getRootElements()) { 72 System.out.printf("%nElement %s\tkind: %s%n", elt.getSimpleName(), elt.getKind()); 73 eltUtils.printElements(new PrintWriter(System.out), elt); 74 } 75 76 switch (round) { 77 case 1: 78 if (rootElementSize != 2) 79 throw new RuntimeException("Unexpected root element size " + rootElementSize); 80 81 // Note that foo.bar.FuBar, an element of package 82 // foo.bar, contains @Deprecated which should *not* be 83 // included in the set of annotations to process 84 if (!expectedAnnotations.equals(annotations)) { 85 throw new RuntimeException("Unexpected annotations: " + annotations); 86 } 87 88 try { 89 try { 90 filer.createClassFile("package-info"); 91 throw new RuntimeException("Created class file for \"package-info\"."); 92 } catch(FilerException fe) {} 93 94 PrintWriter pw = new PrintWriter(filer.createSourceFile("foo.package-info").openWriter()); 95 pw.println("@Deprecated"); 96 pw.println("package foo;"); 97 pw.close(); 98 99 } catch(IOException ioe) { 100 throw new RuntimeException(ioe); 101 } 102 break; 103 104 case 2: 105 // Expect foo.package-info 106 107 Set<Element> expectedElement = new HashSet<Element>(); 108 expectedElement.add(eltUtils.getPackageElement("foo")); 109 if (!expectedElement.equals(roundEnv.getRootElements())) 110 throw new RuntimeException("Unexpected root element set " + roundEnv.getRootElements()); 111 112 if (!expectedAnnotations.equals(annotations)) { 113 throw new RuntimeException("Unexpected annotations: " + annotations); 114 } 115 116 break; 117 118 default: 119 throw new RuntimeException("Unexpected round number " + round); 120 } 121 } 122 return false; 123 } 124} 125