1 /* 2 * Copyright (c) 2006, 2018, 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 8193462 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 37 import java.util.Set; 38 import java.util.Map; 39 import javax.annotation.processing.*; 40 import javax.lang.model.SourceVersion; 41 import static javax.lang.model.SourceVersion.*; 42 import javax.lang.model.element.*; 43 import javax.lang.model.util.*; 44 import static javax.lang.model.util.ElementFilter.*; 45 import static javax.tools.Diagnostic.Kind.*; 46 import static javax.tools.StandardLocation.*; 47 48 import java.io.*; 49 50 /** 51 * Test the ability to process annotations on package-info.java files: 52 * 1) Visibility of package-info files from the command line 53 * 2) Visibility of generated package-info.java source files 54 */ 55 public class TestPackageInfo extends JavacTestingAbstractProcessor { 56 private int round = 0; 57 process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv)58 public boolean process(Set<? extends TypeElement> annotations, 59 RoundEnvironment roundEnv) { 60 round++; 61 62 // Verify annotations are as expected 63 Set<TypeElement> expectedAnnotations = 64 Set.of(eltUtils.getTypeElement("java.lang.Deprecated")); 65 66 if (!roundEnv.processingOver()) { 67 System.out.println("\nRound " + round); 68 int rootElementSize = roundEnv.getRootElements().size(); 69 70 for(Element elt : roundEnv.getRootElements()) { 71 System.out.printf("%nElement %s\tkind: %s%n", elt.getSimpleName(), elt.getKind()); 72 eltUtils.printElements(new PrintWriter(System.out), elt); 73 } 74 75 switch (round) { 76 case 1: 77 if (rootElementSize != 2) 78 throw new RuntimeException("Unexpected root element size " + rootElementSize); 79 80 // Note that foo.bar.FuBar, an element of package 81 // foo.bar, contains @Deprecated which should *not* be 82 // included in the set of annotations to process 83 if (!expectedAnnotations.equals(annotations)) { 84 throw new RuntimeException("Unexpected annotations: " + annotations); 85 } 86 87 try { 88 try { 89 filer.createClassFile("package-info"); 90 throw new RuntimeException("Created class file for \"package-info\"."); 91 } catch(FilerException fe) {} 92 93 try(PrintWriter pw = 94 new PrintWriter(filer.createSourceFile("foo.package-info").openWriter())) { 95 pw.println("@Deprecated"); 96 pw.println("package foo;"); 97 } 98 99 attemptReopening("foo.package-info"); 100 attemptReopening("TestPackageInfo"); // Initial input 101 attemptReopening("foo.bar.package-info"); // Initial input 102 } catch(IOException ioe) { 103 throw new RuntimeException(ioe); 104 } 105 break; 106 107 case 2: 108 // Expect foo.package-info 109 Set<Element> expectedElement = Set.of(eltUtils.getPackageElement("foo")); 110 if (!expectedElement.equals(roundEnv.getRootElements())) 111 throw new RuntimeException("Unexpected root element set " + roundEnv.getRootElements()); 112 113 if (!expectedAnnotations.equals(annotations)) { 114 throw new RuntimeException("Unexpected annotations: " + annotations); 115 } 116 117 attemptReopening("foo.package-info"); 118 119 break; 120 121 default: 122 throw new RuntimeException("Unexpected round number " + round); 123 } 124 } 125 return false; 126 } 127 attemptReopening(String name)128 private void attemptReopening(String name) { 129 final String SHOULD_NOT_REACH = "Should not reach: created "; 130 try { 131 try { 132 filer.createSourceFile(name); 133 throw new AssertionError(SHOULD_NOT_REACH + name + ".java"); 134 } catch (FilerException fe) { 135 ; // Expected 136 } 137 138 try { 139 filer.createClassFile(name); 140 throw new AssertionError(SHOULD_NOT_REACH + name + ".class"); 141 } catch (FilerException fe) { 142 ; // Expected 143 } 144 } catch (IOException ioe) { 145 throw new RuntimeException(ioe); 146 } 147 148 } 149 } 150