Mercurial > jdk8-mips64-public > langtools / file revision

 /*

  * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

  * This code is free software; you can redistribute it and/or modify it

  * under the terms of the GNU General Public License version 2 only, as

  * published by the Free Software Foundation.

  *

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  *

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  *

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

  * or visit www.oracle.com if you need additional information or have any

  * questions.

  */

 /*

  * @test

  * @bug 7068437

  * @summary Filer.getResource(SOURCE_OUTPUT, ...) no longer works in JDK 7 w/o -s

  */

 import java.io.FileNotFoundException;

 import java.io.IOException;

 import java.io.Writer;

 import java.util.Arrays;

 import java.util.Collections;

 import java.util.Map;

 import java.util.Set;

 import javax.annotation.processing.AbstractProcessor;

 import javax.annotation.processing.Filer;

 import javax.annotation.processing.Messager;

 import javax.annotation.processing.RoundEnvironment;

 import javax.annotation.processing.SupportedAnnotationTypes;

 import javax.annotation.processing.SupportedOptions;

 import javax.annotation.processing.SupportedSourceVersion;

 import javax.lang.model.SourceVersion;

 import javax.lang.model.element.TypeElement;

 import javax.tools.Diagnostic.Kind;

 import javax.tools.JavaCompiler;

 import javax.tools.JavaCompiler.CompilationTask;

 import javax.tools.StandardLocation;

 import javax.tools.ToolProvider;

 public class T7068437 {

     public static void main(String[] args) throws Exception {

         new T7068437().run();

     }

     void run() throws Exception {

         JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();

         System.err.println("using " + compiler.getClass()

                 + " from " + compiler.getClass().getProtectionDomain().getCodeSource());

         CompilationTask task = compiler.getTask(null, null, null,

                 Collections.singleton("-proc:only"),

                 Collections.singleton("java.lang.Object"),

                 null);

         task.setProcessors(Collections.singleton(new Proc()));

         check("compilation", task.call());

         task = compiler.getTask(null, null, null,

                 Arrays.asList("-proc:only", "-AexpectFile"),

                 Collections.singleton("java.lang.Object"),

                 null);

         task.setProcessors(Collections.singleton(new Proc()));

         check("compilation", task.call());

     }

     void check(String msg, boolean ok) {

         System.err.println(msg + ": " + (ok ? "ok" : "failed"));

         if (!ok)

             throw new AssertionError(msg);

     }

     @SupportedAnnotationTypes("*")

     @SupportedOptions("expectFile")

     private static class Proc extends AbstractProcessor {

         int count;

         @Override

         public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {

             if (roundEnv.processingOver() || count++ > 0) {

                 return false;

             }

             Filer filer = processingEnv.getFiler();

             Messager messager = processingEnv.getMessager();

             Map<String, String> options = processingEnv.getOptions();

                 System.err.println(options);

             boolean expectFile = options.containsKey("expectFile");

             System.err.println("running Proc: expectFile=" + expectFile);

             boolean found;

             try {

                 messager.printMessage(Kind.NOTE, "found previous content of length " +

                         filer.getResource(StandardLocation.SOURCE_OUTPUT, "p", "C.java").getCharContent(false).length());

                 found = true;

             } catch (FileNotFoundException x) {

                 messager.printMessage(Kind.NOTE, "not previously there");

                 found = false;

             } catch (IOException x) {

                 messager.printMessage(Kind.ERROR, "while reading: " + x);

                 found = false;

             }

             if (expectFile && !found) {

                 messager.printMessage(Kind.ERROR, "expected file but file not found");

             }

             try {

                 Writer w = filer.createSourceFile("p.C").openWriter();

                 w.write("/* hello! */ package p; class C {}");

                 w.close();

                 messager.printMessage(Kind.NOTE, "wrote new content");

             } catch (IOException x) {

                 messager.printMessage(Kind.ERROR, "while writing: " + x);

             }

             return true;

         }

         @Override

         public SourceVersion getSupportedSourceVersion() {

             return SourceVersion.latest();

         }

     }

 }