1/* 2 * Copyright (c) 2011, 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 7068437 27 * @summary Filer.getResource(SOURCE_OUTPUT, ...) no longer works in JDK 7 w/o -s 28 * @modules java.compiler 29 * jdk.compiler 30 */ 31 32import java.io.FileNotFoundException; 33import java.io.IOException; 34import java.io.Writer; 35import java.nio.file.NoSuchFileException; 36import java.util.Arrays; 37import java.util.Collections; 38import java.util.Map; 39import java.util.Set; 40import javax.annotation.processing.AbstractProcessor; 41import javax.annotation.processing.Filer; 42import javax.annotation.processing.Messager; 43import javax.annotation.processing.RoundEnvironment; 44import javax.annotation.processing.SupportedAnnotationTypes; 45import javax.annotation.processing.SupportedOptions; 46import javax.annotation.processing.SupportedSourceVersion; 47import javax.lang.model.SourceVersion; 48import javax.lang.model.element.TypeElement; 49import javax.tools.Diagnostic.Kind; 50import javax.tools.JavaCompiler; 51import javax.tools.JavaCompiler.CompilationTask; 52import javax.tools.StandardLocation; 53import javax.tools.ToolProvider; 54 55public class T7068437 { 56 public static void main(String[] args) throws Exception { 57 new T7068437().run(); 58 } 59 60 void run() throws Exception { 61 JavaCompiler compiler = ToolProvider.getSystemJavaCompiler(); 62 System.err.println("using " + compiler.getClass() 63 + " from " + compiler.getClass().getProtectionDomain().getCodeSource()); 64 65 CompilationTask task = compiler.getTask(null, null, null, 66 Collections.singleton("-proc:only"), 67 Collections.singleton("java.lang.Object"), 68 null); 69 task.setProcessors(Collections.singleton(new Proc())); 70 check("compilation", task.call()); 71 72 task = compiler.getTask(null, null, null, 73 Arrays.asList("-proc:only", "-AexpectFile"), 74 Collections.singleton("java.lang.Object"), 75 null); 76 task.setProcessors(Collections.singleton(new Proc())); 77 check("compilation", task.call()); 78 } 79 80 void check(String msg, boolean ok) { 81 System.err.println(msg + ": " + (ok ? "ok" : "failed")); 82 if (!ok) 83 throw new AssertionError(msg); 84 } 85 86 @SupportedAnnotationTypes("*") 87 @SupportedOptions("expectFile") 88 private static class Proc extends AbstractProcessor { 89 int count; 90 91 @Override 92 public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { 93 if (roundEnv.processingOver() || count++ > 0) { 94 return false; 95 } 96 97 Filer filer = processingEnv.getFiler(); 98 Messager messager = processingEnv.getMessager(); 99 Map<String, String> options = processingEnv.getOptions(); 100 System.err.println(options); 101 boolean expectFile = options.containsKey("expectFile"); 102 103 System.err.println("running Proc: expectFile=" + expectFile); 104 105 boolean found; 106 try { 107 messager.printMessage(Kind.NOTE, "found previous content of length " + 108 filer.getResource(StandardLocation.SOURCE_OUTPUT, "p", "C.java").getCharContent(false).length()); 109 found = true; 110 } catch (FileNotFoundException | NoSuchFileException x) { 111 messager.printMessage(Kind.NOTE, "not previously there"); 112 found = false; 113 } catch (IOException x) { 114 messager.printMessage(Kind.ERROR, "while reading: " + x); 115 found = false; 116 } 117 118 if (expectFile && !found) { 119 messager.printMessage(Kind.ERROR, "expected file but file not found"); 120 } 121 122 try { 123 Writer w = filer.createSourceFile("p.C").openWriter(); 124 w.write("/* hello! */ package p; class C {}"); 125 w.close(); 126 messager.printMessage(Kind.NOTE, "wrote new content"); 127 } catch (IOException x) { 128 messager.printMessage(Kind.ERROR, "while writing: " + x); 129 } 130 131 return true; 132 } 133 134 @Override 135 public SourceVersion getSupportedSourceVersion() { 136 return SourceVersion.latest(); 137 } 138 } 139} 140