1 /* 2 * Copyright (c) 2006, 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 /* 25 * @test 26 * @bug 6380016 27 * @summary Test that the constraints guaranteed by the Filer and maintained 28 * @author Joseph D. Darcy 29 * @library ../../../lib 30 * @build JavacTestingAbstractProcessor 31 * @build TestNames 32 * @compile -processor TestNames -proc:only TestNames.java 33 */ 34 35 import java.util.Set; 36 import javax.annotation.processing.*; 37 import javax.lang.model.SourceVersion; 38 import static javax.lang.model.SourceVersion.*; 39 import javax.lang.model.element.*; 40 import javax.lang.model.util.*; 41 import static javax.lang.model.util.ElementFilter.*; 42 import static javax.tools.Diagnostic.Kind.*; 43 import static javax.tools.StandardLocation.*; 44 45 import java.io.*; 46 47 /** 48 * Basic tests of semantics of javax.lang.model.element.Name 49 */ 50 public class TestNames extends JavacTestingAbstractProcessor { 51 private int round = 0; 52 53 String stringStringName = "java.lang.String"; 54 Name stringName = null; 55 56 public boolean process(Set<? extends TypeElement> annotations, 57 RoundEnvironment roundEnv) { 58 round++; 59 if (!roundEnv.processingOver()) { 60 boolean failed = false; 61 62 switch(round) { 63 case 1: 64 65 TypeElement stringMirror = eltUtils.getTypeElement(stringStringName); 66 stringName = stringMirror.getQualifiedName(); 67 Name stringPseudoName = Pseudonym.getName(stringName.toString()); 68 69 70 if (stringName.equals(stringPseudoName)) 71 failed = true; 72 if (!stringName.contentEquals(stringStringName)) 73 failed = true; 74 if (!stringName.contentEquals(stringPseudoName)) 75 failed = true; 76 77 78 try { 79 // Force another round with a new context 80 PrintWriter pw = new PrintWriter(filer.createSourceFile("Foo").openWriter()); 81 pw.println("public class Foo {}"); 82 pw.close(); 83 } catch (IOException ioe) { 84 throw new RuntimeException(); 85 } 86 break; 87 88 case 2: 89 Name stringStringAsName = eltUtils.getName(stringStringName); 90 TypeElement stringMirror2 = eltUtils.getTypeElement(stringStringName); 91 Name stringName2 = stringMirror2.getQualifiedName(); 92 93 if (stringStringAsName != stringName || 94 stringName != stringName2) 95 failed = true; 96 break; 97 98 default: 99 throw new RuntimeException("Unexpected round " + round); 100 } 101 102 if (failed) 103 throw new RuntimeException("Invalid name equality checks."); 104 } 105 return true; 106 } 107 108 private static class Pseudonym implements Name { 109 private String name; 110 111 private Pseudonym(String name) { 112 this.name = name; 113 } 114 115 public static Pseudonym getName(String name) { 116 return new Pseudonym(name); 117 } 118 119 public boolean contentEquals(CharSequence cs) { 120 return name.contentEquals(cs); 121 } 122 123 public char charAt(int index) { 124 return name.charAt(index); 125 } 126 127 public int length() { 128 return name.length(); 129 } 130 131 public CharSequence subSequence(int start, int end) { 132 return name.subSequence(start, end); 133 } 134 135 public String toString() { 136 return name; 137 } 138 } 139 }