1 /*

     2  * Copyright (c) 2015, 2016, 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 8067747

    27  * @summary Verify the correct Filer behavior w.r.t. initial inputs

    28  *          (should throw FilerException when overwriting initial inputs).

    29  * @library /tools/lib /tools/javac/lib

    30  * @modules jdk.compiler/com.sun.tools.javac.api

    31  *          jdk.compiler/com.sun.tools.javac.main

    32  * @build toolbox.ToolBox toolbox.JavacTask toolbox.Task

    33  * @build OverwriteInitialInput JavacTestingAbstractProcessor

    34  * @run main OverwriteInitialInput

    35  */

    36 

    37 import java.io.IOException;

    38 import java.io.OutputStream;

    39 import java.io.Writer;

    40 import java.nio.file.Files;

    41 import java.nio.file.Path;

    42 import java.nio.file.Paths;

    43 import java.util.Set;

    44 

    45 import javax.annotation.processing.FilerException;

    46 import javax.annotation.processing.RoundEnvironment;

    47 import javax.annotation.processing.SupportedOptions;

    48 import javax.lang.model.element.TypeElement;

    49 import javax.tools.StandardLocation;

    50 

    51 import toolbox.JavacTask;

    52 import toolbox.Task;

    53 import toolbox.ToolBox;

    54 

    55 @SupportedOptions({OverwriteInitialInput.EXPECT_EXCEPTION_OPTION,

    56                    OverwriteInitialInput.TEST_SOURCE

    57                   })

    58 public class OverwriteInitialInput extends JavacTestingAbstractProcessor {

    59 

    60     public static final String EXPECT_EXCEPTION_OPTION = "exception";

    61     public static final String TEST_SOURCE = "testSource";

    62 

    63     @Override

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

    65         if (roundEnv.processingOver()) {

    66             if (processingEnv.getOptions().containsKey(EXPECT_EXCEPTION_OPTION)) {

    67                 try (Writer w = processingEnv.getFiler().createSourceFile("Test").openWriter()) {

    68                     throw new AssertionError("Expected IOException not seen.");

    69                 } catch (FilerException ex) {

    70                     //expected

    71                 } catch (IOException ex) {

    72                     throw new IllegalStateException(ex);

    73                 }

    74                 try (OutputStream out = processingEnv.getFiler().createClassFile("Test").openOutputStream()) {

    75                     throw new AssertionError("Expected IOException not seen.");

    76                 } catch (FilerException ex) {

    77                     //expected

    78                 } catch (IOException ex) {

    79                     throw new IllegalStateException(ex);

    80                 }

    81                 if (processingEnv.getOptions().containsKey(TEST_SOURCE)) {

    82                     try (OutputStream out = processingEnv.getFiler().createResource(StandardLocation.SOURCE_OUTPUT, "", "Test.java").openOutputStream()) {

    83                         throw new AssertionError("Expected IOException not seen.");

    84                     } catch (FilerException ex) {

    85                         //expected

    86                     } catch (IOException ex) {

    87                         throw new IllegalStateException(ex);

    88                     }

    89                 } else {

    90                     try (OutputStream out = processingEnv.getFiler().createResource(StandardLocation.CLASS_OUTPUT, "", "Test2.class").openOutputStream()) {

    91                         throw new AssertionError("Expected IOException not seen.");

    92                     } catch (FilerException ex) {

    93                         //expected

    94                     } catch (IOException ex) {

    95                         throw new IllegalStateException(ex);

    96                     }

    97                 }

    98             } else {

    99                 try (Writer w = processingEnv.getFiler().createSourceFile("Test").openWriter()) {

   100                     w.append("public class Test {}");

   101                 } catch (IOException ex) {

   102                     throw new IllegalStateException(ex);

   103                 }

   104                 try (OutputStream out = processingEnv.getFiler().createClassFile("Test2").openOutputStream()) {

   105                     try (ToolBox.MemoryFileManager mfm = new ToolBox.MemoryFileManager()) {

   106                         ToolBox tb = new ToolBox();

   107                         new JavacTask(tb)

   108                           .sources("public class Test2 {}")

   109                           .fileManager(mfm)

   110                           .run()

   111                           .writeAll();

   112 

   113                         out.write(mfm.getFileBytes(StandardLocation.CLASS_OUTPUT, "Test2"));

   114                     }

   115                 } catch (IOException ex) {

   116                     throw new IllegalStateException(ex);

   117                 }

   118             }

   119         }

   120 

   121         return false;

   122     }

   123 

   124     public static void main(String... args) throws IOException {

   125         new OverwriteInitialInput().run();

   126     }

   127 

   128     void run() throws IOException {

   129         run(Task.Mode.API);

   130         run(Task.Mode.CMDLINE);

   131     }

   132 

   133     void run(Task.Mode mode) throws IOException {

   134         ToolBox tb = new ToolBox();

   135         Path path = Paths.get("output");

   136         if (Files.isDirectory(path))

   137             tb.cleanDirectory(path);

   138         Files.deleteIfExists(path);

   139         tb.createDirectories(path);

   140         Path thisSource = Paths.get(System.getProperty("test.src"), "OverwriteInitialInput.java");

   141         new JavacTask(tb, mode).options("-processor", "OverwriteInitialInput",

   142                                         "-d", path.toString(),

   143                                         "-XDaccessInternalAPI=true")

   144                                .files(thisSource)

   145                                .run()

   146                                .writeAll();

   147         new JavacTask(tb, mode).options("-processor", "OverwriteInitialInput",

   148                                         "-d", path.toString(),

   149                                         "-A" + EXPECT_EXCEPTION_OPTION,

   150                                         "-A" + TEST_SOURCE,

   151                                         "-XDaccessInternalAPI=true")

   152                                .files(thisSource, path.resolve("Test.java"))

   153                                .run()

   154                                .writeAll();

   155         new JavacTask(tb, mode).options("-processor", "OverwriteInitialInput",

   156                                         "-classpath", path.toString(),

   157                                         "-processorpath", System.getProperty("test.class.path"),

   158                                         "-d", path.toString(),

   159                                         "-A" + EXPECT_EXCEPTION_OPTION,

   160                                         "-XDaccessInternalAPI=true")

   161                                .classes("Test", "Test2")

   162                                .run()

   163                                .writeAll();

   164     }

   165 

   166 }