1 /*
   2  * Copyright (c) 2015, 2019, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.jpackage.internal;
  27 
  28 import java.io.ByteArrayOutputStream;
  29 import java.io.File;
  30 import java.io.FileInputStream;
  31 import java.io.IOException;
  32 import java.io.InputStream;
  33 import java.io.PrintStream;
  34 import java.nio.file.Files;
  35 import java.nio.file.Path;
  36 import java.text.MessageFormat;
  37 import java.util.List;
  38 import java.util.Map;
  39 import java.util.ResourceBundle;
  40 import java.util.ArrayList;
  41 
  42 import jdk.jpackage.internal.resources.ResourceLocator;
  43 
  44 import static jdk.jpackage.internal.StandardBundlerParam.*;
  45 
  46 /*
  47  * AbstractAppImageBuilder
  48  *     This is sub-classed by each of the platform dependent AppImageBuilder
  49  * classes, and contains resource processing code common to all platforms.
  50  */
  51 
  52 public abstract class AbstractAppImageBuilder {
  53 
  54     private static final ResourceBundle I18N = ResourceBundle.getBundle(
  55             "jdk.jpackage.internal.resources.MainResources");
  56 
  57     private final Path root;
  58 
  59     public AbstractAppImageBuilder(Map<String, Object> unused, Path root) {
  60         this.root = root;
  61     }
  62 
  63     public InputStream getResourceAsStream(String name) {
  64         return ResourceLocator.class.getResourceAsStream(name);
  65     }
  66 
  67     public abstract void prepareApplicationFiles(
  68             Map<String, ? super Object> params) throws IOException;
  69     public abstract void prepareJreFiles(
  70             Map<String, ? super Object> params) throws IOException;
  71     public abstract Path getAppDir();
  72     public abstract Path getAppModsDir();
  73 
  74     public Path getRuntimeRoot() {
  75         return this.root;
  76     }
  77 
  78     protected void copyEntry(Path appDir, File srcdir, String fname)
  79             throws IOException {
  80         Path dest = appDir.resolve(fname);
  81         Files.createDirectories(dest.getParent());
  82         File src = new File(srcdir, fname);
  83         if (src.isDirectory()) {
  84             IOUtils.copyRecursive(src.toPath(), dest);
  85         } else {
  86             Files.copy(src.toPath(), dest);
  87         }
  88     }
  89 
  90     protected InputStream locateResource(String publicName, String category,
  91             String defaultName, File customFile,
  92             boolean verbose, File publicRoot) throws IOException {
  93         InputStream is = null;
  94         boolean customFromClasspath = false;
  95         boolean customFromFile = false;
  96         if (publicName != null) {
  97             if (publicRoot != null) {
  98                 File publicResource = new File(publicRoot, publicName);
  99                 if (publicResource.exists() && publicResource.isFile()) {
 100                     is = new FileInputStream(publicResource);
 101                 }
 102             } else {
 103                 is = getResourceAsStream(publicName);
 104             }
 105             customFromClasspath = (is != null);
 106         }
 107         if (is == null && customFile != null) {
 108             is = new FileInputStream(customFile);
 109             customFromFile = (is != null);
 110         }
 111         if (is == null && defaultName != null) {
 112             is = getResourceAsStream(defaultName);
 113         }
 114         if (verbose) {
 115             String msg = null;
 116             if (customFromClasspath) {
 117                 msg = MessageFormat.format(I18N.getString(
 118                     "message.using-custom-resource"),
 119                     category == null ? "" : "[" + category + "] ", publicName);
 120             } else if (customFromFile) {
 121                 msg = MessageFormat.format(I18N.getString(
 122                     "message.using-custom-resource-from-file"),
 123                     category == null ? "" : "[" + category + "] ",
 124                     customFile.getAbsoluteFile());
 125             } else if (is != null) {
 126                 msg = MessageFormat.format(I18N.getString(
 127                     "message.using-default-resource"),
 128                     defaultName,
 129                     category == null ? "" : "[" + category + "] ",
 130                     publicName);
 131             } else {
 132                 msg = MessageFormat.format(I18N.getString(
 133                     "message.no-default-resource"),
 134                     defaultName == null ? "" : defaultName,
 135                     category == null ? "" : "[" + category + "] ",
 136                     publicName);
 137             }
 138             if (msg != null) {
 139                 Log.verbose(msg);
 140             }
 141         }
 142         return is;
 143     }
 144 
 145 
 146     protected String preprocessTextResource(String publicName, String category,
 147             String defaultName, Map<String, String> pairs,
 148             boolean verbose, File publicRoot) throws IOException {
 149         InputStream inp = locateResource(publicName, category,
 150                 defaultName, null, verbose, publicRoot);
 151         if (inp == null) {
 152             throw new RuntimeException(
 153                     "Module corrupt? No "+defaultName+" resource!");
 154         }
 155 
 156         try (InputStream is = inp) {
 157             //read fully into memory
 158             ByteArrayOutputStream baos = new ByteArrayOutputStream();
 159             byte[] buffer = new byte[1024];
 160             int length;
 161             while ((length = is.read(buffer)) != -1) {
 162                 baos.write(buffer, 0, length);
 163             }
 164 
 165             //substitute
 166             String result = new String(baos.toByteArray());
 167             for (Map.Entry<String, String> e : pairs.entrySet()) {
 168                 if (e.getValue() != null) {
 169                     result = result.replace(e.getKey(), e.getValue());
 170                 }
 171             }
 172             return result;
 173         }
 174     }
 175 
 176     public void writeCfgFile(Map<String, ? super Object> params,
 177             File cfgFileName) throws IOException {
 178         cfgFileName.getParentFile().mkdirs();
 179         cfgFileName.delete();
 180         File mainJar = JLinkBundlerHelper.getMainJar(params);
 181         ModFile.ModType mainJarType = ModFile.ModType.Unknown;
 182 
 183         if (mainJar != null) {
 184             mainJarType = new ModFile(mainJar).getModType();
 185         }
 186 
 187         String mainModule = StandardBundlerParam.MODULE.fetchFrom(params);
 188 
 189         try (PrintStream out = new PrintStream(cfgFileName)) {
 190 
 191             out.println("[Application]");
 192             out.println("app.name=" + APP_NAME.fetchFrom(params));
 193             out.println("app.version=" + VERSION.fetchFrom(params));
 194             out.println("app.runtime=" + getCfgRuntimeDir());
 195             out.println("app.identifier=" + IDENTIFIER.fetchFrom(params));
 196             out.println("app.classpath="
 197                     + getCfgClassPath(CLASSPATH.fetchFrom(params)));
 198 
 199             // The main app is required to be a jar, modular or unnamed.
 200             if (mainModule != null &&
 201                     (mainJarType == ModFile.ModType.Unknown ||
 202                     mainJarType == ModFile.ModType.ModularJar)) {
 203                 out.println("app.mainmodule=" + mainModule);
 204             } else {
 205                 String mainClass = JLinkBundlerHelper.getMainClass(params);
 206                 // If the app is contained in an unnamed jar then launch it the
 207                 // legacy way and the main class string must be
 208                 // of the format com/foo/Main
 209                 if (mainJar != null) {
 210                     out.println("app.mainjar=" + getCfgAppDir()
 211                             + mainJar.toPath().getFileName().toString());
 212                 }
 213                 if (mainClass != null) {
 214                     out.println("app.mainclass="
 215                             + mainClass.replace("\\", "/"));
 216                 }
 217             }
 218 
 219             out.println();
 220             out.println("[JavaOptions]");
 221             List<String> jvmargs = JAVA_OPTIONS.fetchFrom(params);
 222             for (String arg : jvmargs) {
 223                 out.println(arg);
 224             }
 225             Path modsDir = getAppModsDir();
 226 
 227             if (modsDir != null && modsDir.toFile().exists()) {
 228                 out.println("--module-path");
 229                 out.println(getCfgAppDir().replace("\\","/") + "mods");
 230             }
 231 
 232             out.println();
 233             out.println("[ArgOptions]");
 234             List<String> args = ARGUMENTS.fetchFrom(params);
 235             for (String arg : args) {
 236                 if (arg.endsWith("=") &&
 237                         (arg.indexOf("=") == arg.lastIndexOf("="))) {
 238                     out.print(arg.substring(0, arg.length() - 1));
 239                     out.println("\\=");
 240                 } else {
 241                     out.println(arg);
 242                 }
 243             }
 244         }
 245     }
 246 
 247     File getRuntimeImageDir(File runtimeImageTop) {
 248         return runtimeImageTop;
 249     }
 250 
 251     protected String getCfgAppDir() {
 252         return "$APPDIR" + File.separator
 253                 + getAppDir().getFileName() + File.separator;
 254     }
 255 
 256     protected String getCfgRuntimeDir() {
 257         return "$APPDIR" + File.separator + "runtime";
 258     }
 259 
 260     String getCfgClassPath(String classpath) {
 261         String cfgAppDir = getCfgAppDir();
 262 
 263         StringBuilder sb = new StringBuilder();
 264         for (String path : classpath.split("[:;]")) {
 265             if (path.length() > 0) {
 266                 sb.append(cfgAppDir);
 267                 sb.append(path);
 268                 sb.append(File.pathSeparator);
 269             }
 270         }
 271         if (sb.length() > 0) {
 272             sb.deleteCharAt(sb.length() - 1);
 273         }
 274         return sb.toString();
 275     }
 276 }