1 /*
   2  * Copyright (c) 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 import java.io.IOException;
  25 import java.io.UncheckedIOException;
  26 import java.nio.file.Files;
  27 import java.nio.file.Path;
  28 import java.util.Collections;
  29 import java.util.List;
  30 import java.util.Map;
  31 import java.util.function.Function;
  32 
  33 import jdk.tools.jlink.plugin.Plugin;
  34 import jdk.tools.jlink.plugin.ResourcePool;
  35 import jdk.tools.jlink.plugin.ResourcePoolBuilder;
  36 import jdk.tools.jlink.internal.PluginRepository;
  37 import jdk.tools.jlink.internal.PostProcessor;
  38 import jdk.tools.jlink.internal.ExecutableImage;
  39 import tests.Helper;
  40 
  41 /*
  42  * @test
  43  * @summary Test post processing
  44  * @author Jean-Francois Denise
  45  * @library ../lib
  46  * @modules java.base/jdk.internal.jimage
  47  *          jdk.jdeps/com.sun.tools.classfile
  48  *          jdk.jlink/jdk.tools.jlink.internal
  49  *          jdk.jlink/jdk.tools.jlink.plugin
  50  *          jdk.jlink/jdk.tools.jmod
  51  *          jdk.jlink/jdk.tools.jimage
  52  *          jdk.compiler
  53  * @build tests.*
  54  * @run main/othervm JLinkPostProcessingTest
  55  */
  56 public class JLinkPostProcessingTest {
  57 
  58     private static class PPPlugin implements PostProcessor, Plugin {
  59 
  60         private static ExecutableImage called;
  61         private static final String NAME = "pp";
  62 
  63         @Override
  64         public List<String> process(ExecutableImage image) {
  65             called = image;
  66             Path gen = image.getHome().resolve("lib").resolve("toto.txt");
  67             try {
  68                 Files.createFile(gen);
  69             } catch (IOException ex) {
  70                 throw new UncheckedIOException(ex);
  71             }
  72             return null;
  73         }
  74 
  75         @Override
  76         public ResourcePool transform(ResourcePool in, ResourcePoolBuilder out) {
  77             in.transformAndCopy(Function.identity(), out);
  78             return out.build();
  79         }
  80 
  81         @Override
  82         public String getName() {
  83             return NAME;
  84         }
  85 
  86         @Override
  87         public Category getType() {
  88             return Category.PROCESSOR;
  89         }
  90 
  91         @Override
  92         public String getDescription() {
  93             return NAME;
  94         }
  95     }
  96 
  97     public static void main(String[] args) throws Exception {
  98 
  99         Helper helper = Helper.newHelper();
 100         if (helper == null) {
 101             System.err.println("Test not run");
 102             return;
 103         }
 104         helper.generateDefaultModules();
 105 
 106         PluginRepository.registerPlugin(new PPPlugin());
 107 
 108         // Generate an image and post-process in same jlink execution.
 109         {
 110             String[] userOptions = {"--pp"};
 111             String moduleName = "postprocessing1";
 112             helper.generateDefaultJModule(moduleName, "composite2");
 113             String[] res = {};
 114             String[] files = {};
 115             Path imageDir = helper.generateDefaultImage(userOptions, moduleName).assertSuccess();
 116             helper.checkImage(imageDir, moduleName, res, files);
 117 
 118             test(imageDir);
 119         }
 120 
 121         // Generate an image, post-process in 2 jlink executions.
 122         {
 123             String[] userOptions = {};
 124             String moduleName = "postprocessing2";
 125             helper.generateDefaultJModule(moduleName, "composite2");
 126             String[] res = {};
 127             String[] files = {};
 128             Path imageDir = helper.generateDefaultImage(userOptions, moduleName).assertSuccess();
 129             helper.checkImage(imageDir, moduleName, res, files);
 130 
 131             String[] ppOptions = {"--pp"};
 132             helper.postProcessImage(imageDir, ppOptions);
 133             test(imageDir);
 134         }
 135     }
 136 
 137     private static void test(Path imageDir)
 138             throws Exception {
 139         if (PPPlugin.called == null) {
 140             throw new Exception("Post processor not called.");
 141         }
 142         if (!PPPlugin.called.getHome().equals(imageDir)) {
 143             throw new Exception("Not right imageDir " + PPPlugin.called.getHome());
 144         }
 145         if (PPPlugin.called.getExecutionArgs().isEmpty()) {
 146             throw new Exception("No arguments to run java...");
 147         }
 148         Path gen = imageDir.resolve("lib").resolve("toto.txt");
 149         if (!Files.exists(gen)) {
 150             throw new Exception("Generated file doesn;t exist");
 151         }
 152         PPPlugin.called = null;
 153     }
 154 }