src/org/argeo/build/Repackage.java

   1 package org.argeo.build;
   2
   3 import static java.lang.System.Logger.Level.DEBUG;
   4 import static java.lang.System.Logger.Level.WARNING;
   5 import static org.argeo.build.Repackage.ManifestConstants.BUNDLE_SYMBOLICNAME;
   6 import static org.argeo.build.Repackage.ManifestConstants.BUNDLE_VERSION;
   7 import static org.argeo.build.Repackage.ManifestConstants.EXPORT_PACKAGE;
   8 import static org.argeo.build.Repackage.ManifestConstants.SLC_ORIGIN_M2;
   9 import static org.argeo.build.Repackage.ManifestConstants.SLC_ORIGIN_M2_REPO;
  10
  11 import java.io.File;
  12 import java.io.FileNotFoundException;
  13 import java.io.IOException;
  14 import java.io.InputStream;
  15 import java.io.OutputStream;
  16 import java.lang.System.Logger;
  17 import java.lang.System.Logger.Level;
  18 import java.net.MalformedURLException;
  19 import java.net.URL;
  20 import java.nio.charset.StandardCharsets;
  21 import java.nio.file.DirectoryStream;
  22 import java.nio.file.FileSystem;
  23 import java.nio.file.FileSystems;
  24 import java.nio.file.FileVisitResult;
  25 import java.nio.file.Files;
  26 import java.nio.file.Path;
  27 import java.nio.file.PathMatcher;
  28 import java.nio.file.Paths;
  29 import java.nio.file.SimpleFileVisitor;
  30 import java.nio.file.StandardOpenOption;
  31 import java.nio.file.attribute.BasicFileAttributes;
  32 import java.util.ArrayList;
  33 import java.util.HashMap;
  34 import java.util.Iterator;
  35 import java.util.List;
  36 import java.util.Map;
  37 import java.util.Objects;
  38 import java.util.Properties;
  39 import java.util.TreeMap;
  40 import java.util.concurrent.CompletableFuture;
  41 import java.util.jar.Attributes;
  42 import java.util.jar.JarEntry;
  43 import java.util.jar.JarInputStream;
  44 import java.util.jar.JarOutputStream;
  45 import java.util.jar.Manifest;
  46 import java.util.zip.Deflater;
  47
  48 import aQute.bnd.osgi.Analyzer;
  49 import aQute.bnd.osgi.Jar;
  50
  51 /** The central class for A2 packaging. */
  52 public class Repackage {
  53         private final static Logger logger = System.getLogger(Repackage.class.getName());
  54
  55         private final static String ENV_BUILD_SOURCE_BUNDLES = "BUILD_SOURCE_BUNDLES";
  56
  57         private final static boolean parallel = true;
  58
  59         /** Main entry point. */
  60         public static void main(String[] args) {
  61                 if (args.length < 2) {
  62                         System.err.println("Usage: <path to a2 output dir> <category1> <category2> ...");
  63                         System.exit(1);
  64                 }
  65                 Path a2Base = Paths.get(args[0]).toAbsolutePath().normalize();
  66                 Path descriptorsBase = Paths.get(".").toAbsolutePath().normalize();
  67                 Repackage factory = new Repackage(a2Base, descriptorsBase);
  68
  69                 List<CompletableFuture<Void>> toDos = new ArrayList<>();
  70                 for (int i = 1; i < args.length; i++) {
  71                         Path p = Paths.get(args[i]);
  72                         if (parallel)
  73                                 toDos.add(CompletableFuture.runAsync(() -> factory.processCategory(p)));
  74                         else
  75                                 factory.processCategory(p);
  76                 }
  77                 CompletableFuture.allOf(toDos.toArray(new CompletableFuture[toDos.size()])).join();
  78         }
  79
  80         private final static String COMMON_BND = "common.bnd";
  81         private final static String MERGE_BND = "merge.bnd";
  82
  83         private Path originBase;
  84         private Path a2Base;
  85         private Path a2LibBase;
  86         private Path descriptorsBase;
  87
  88         private Properties uris = new Properties();
  89
  90         /** key is URI prefix, value list of base URLs */
  91         private Map<String, List<String>> mirrors = new HashMap<String, List<String>>();
  92
  93         private final boolean sourceBundles;
  94
  95         public Repackage(Path a2Base, Path descriptorsBase) {
  96                 sourceBundles = Boolean.parseBoolean(System.getenv(ENV_BUILD_SOURCE_BUNDLES));
  97                 if (sourceBundles)
  98                         logger.log(Level.INFO, "Sources will be packaged separately");
  99
 100                 Objects.requireNonNull(a2Base);
 101                 Objects.requireNonNull(descriptorsBase);
 102                 this.originBase = Paths.get(System.getProperty("user.home"), ".cache", "argeo/build/origin");
 103                 // TODO define and use a build base
 104                 this.a2Base = a2Base;
 105                 this.a2LibBase = a2Base.resolve("lib");
 106                 this.descriptorsBase = descriptorsBase;
 107                 if (!Files.exists(this.descriptorsBase))
 108                         throw new IllegalArgumentException(this.descriptorsBase + " does not exist");
 109
 110                 // URIs mapping
 111                 Path urisPath = this.descriptorsBase.resolve("uris.properties");
 112                 if (Files.exists(urisPath)) {
 113                         try (InputStream in = Files.newInputStream(urisPath)) {
 114                                 uris.load(in);
 115                         } catch (IOException e) {
 116                                 throw new IllegalStateException("Cannot load " + urisPath, e);
 117                         }
 118                 }
 119
 120                 // Eclipse mirrors
 121                 Path eclipseMirrorsPath = this.descriptorsBase.resolve("eclipse.mirrors.txt");
 122                 List<String> eclipseMirrors = new ArrayList<>();
 123                 if (Files.exists(eclipseMirrorsPath)) {
 124                         try {
 125                                 eclipseMirrors = Files.readAllLines(eclipseMirrorsPath, StandardCharsets.UTF_8);
 126                         } catch (IOException e) {
 127                                 throw new IllegalStateException("Cannot load " + eclipseMirrorsPath, e);
 128                         }
 129                         for (Iterator<String> it = eclipseMirrors.iterator(); it.hasNext();) {
 130                                 String value = it.next();
 131                                 if (value.strip().equals(""))
 132                                         it.remove();
 133                         }
 134                 }
 135
 136                 mirrors.put("http://www.eclipse.org/downloads", eclipseMirrors);
 137         }
 138
 139         /*
 140          * MAVEN ORIGIN
 141          */
 142
 143         /** Process a whole category/group id. */
 144         public void processCategory(Path categoryRelativePath) {
 145                 try {
 146                         Path targetCategoryBase = descriptorsBase.resolve(categoryRelativePath);
 147                         DirectoryStream<Path> bnds = Files.newDirectoryStream(targetCategoryBase,
 148                                         (p) -> p.getFileName().toString().endsWith(".bnd") && !p.getFileName().toString().equals(COMMON_BND)
 149                                                         && !p.getFileName().toString().equals(MERGE_BND));
 150                         for (Path p : bnds) {
 151                                 processSingleM2ArtifactDistributionUnit(p);
 152                         }
 153
 154                         DirectoryStream<Path> dus = Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p));
 155                         for (Path duDir : dus) {
 156                                 if (duDir.getFileName().toString().startsWith("eclipse-")) {
 157                                         processEclipseArchive(duDir);
 158                                 } else {
 159                                         processM2BasedDistributionUnit(duDir);
 160                                 }
 161                         }
 162                 } catch (IOException e) {
 163                         throw new RuntimeException("Cannot process category " + categoryRelativePath, e);
 164                 }
 165         }
 166
 167         /** Process a standalone Maven artifact. */
 168         public void processSingleM2ArtifactDistributionUnit(Path bndFile) {
 169                 try {
 170 //                      String category = bndFile.getParent().getFileName().toString();
 171                         Path categoryRelativePath = descriptorsBase.relativize(bndFile.getParent());
 172                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 173
 174                         Properties fileProps = new Properties();
 175                         try (InputStream in = Files.newInputStream(bndFile)) {
 176                                 fileProps.load(in);
 177                         }
 178                         String repoStr = fileProps.containsKey(SLC_ORIGIN_M2_REPO.toString())
 179                                         ? fileProps.getProperty(SLC_ORIGIN_M2_REPO.toString())
 180                                         : null;
 181
 182                         if (!fileProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 183                                 // use file name as symbolic name
 184                                 String symbolicName = bndFile.getFileName().toString();
 185                                 symbolicName = symbolicName.substring(0, symbolicName.length() - ".bnd".length());
 186                                 fileProps.put(BUNDLE_SYMBOLICNAME.toString(), symbolicName);
 187                         }
 188
 189                         String m2Coordinates = fileProps.getProperty(SLC_ORIGIN_M2.toString());
 190                         if (m2Coordinates == null)
 191                                 throw new IllegalArgumentException("No M2 coordinates available for " + bndFile);
 192                         M2Artifact artifact = new M2Artifact(m2Coordinates);
 193                         URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 194                         Path downloaded = downloadMaven(url, originBase, artifact);
 195
 196                         Path targetBundleDir = processBndJar(downloaded, targetCategoryBase, fileProps, artifact);
 197
 198                         downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 199
 200                         createJar(targetBundleDir);
 201                 } catch (Exception e) {
 202                         throw new RuntimeException("Cannot process " + bndFile, e);
 203                 }
 204         }
 205
 206         /** Process multiple Maven artifacts. */
 207         public void processM2BasedDistributionUnit(Path duDir) {
 208                 try {
 209                         // String category = duDir.getParent().getFileName().toString();
 210                         Path categoryRelativePath = descriptorsBase.relativize(duDir.getParent());
 211                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 212
 213                         // merge
 214                         Path mergeBnd = duDir.resolve(MERGE_BND);
 215                         if (Files.exists(mergeBnd)) {
 216                                 mergeM2Artifacts(mergeBnd);
 217 //                              return;
 218                         }
 219
 220                         Path commonBnd = duDir.resolve(COMMON_BND);
 221                         if (!Files.exists(commonBnd)) {
 222                                 return;
 223                         }
 224                         Properties commonProps = new Properties();
 225                         try (InputStream in = Files.newInputStream(commonBnd)) {
 226                                 commonProps.load(in);
 227                         }
 228
 229                         String m2Version = commonProps.getProperty(SLC_ORIGIN_M2.toString());
 230                         if (m2Version == null) {
 231                                 logger.log(Level.WARNING, "Ignoring " + duDir + " as it is not an M2-based distribution unit");
 232                                 return;// ignore, this is probably an Eclipse archive
 233                         }
 234                         if (!m2Version.startsWith(":")) {
 235                                 throw new IllegalStateException("Only the M2 version can be specified: " + m2Version);
 236                         }
 237                         m2Version = m2Version.substring(1);
 238
 239                         DirectoryStream<Path> ds = Files.newDirectoryStream(duDir,
 240                                         (p) -> p.getFileName().toString().endsWith(".bnd") && !p.getFileName().toString().equals(COMMON_BND)
 241                                                         && !p.getFileName().toString().equals(MERGE_BND));
 242                         for (Path p : ds) {
 243                                 Properties fileProps = new Properties();
 244                                 try (InputStream in = Files.newInputStream(p)) {
 245                                         fileProps.load(in);
 246                                 }
 247                                 String m2Coordinates = fileProps.getProperty(SLC_ORIGIN_M2.toString());
 248                                 M2Artifact artifact = new M2Artifact(m2Coordinates);
 249
 250                                 artifact.setVersion(m2Version);
 251
 252                                 // prepare manifest entries
 253                                 Properties mergeProps = new Properties();
 254                                 mergeProps.putAll(commonProps);
 255
 256                                 fileEntries: for (Object key : fileProps.keySet()) {
 257                                         if (ManifestConstants.SLC_ORIGIN_M2.toString().equals(key))
 258                                                 continue fileEntries;
 259                                         String value = fileProps.getProperty(key.toString());
 260                                         Object previousValue = mergeProps.put(key.toString(), value);
 261                                         if (previousValue != null) {
 262                                                 logger.log(Level.WARNING,
 263                                                                 commonBnd + ": " + key + " was " + previousValue + ", overridden with " + value);
 264                                         }
 265                                 }
 266                                 mergeProps.put(ManifestConstants.SLC_ORIGIN_M2.toString(), artifact.toM2Coordinates());
 267                                 if (!mergeProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 268                                         // use file name as symbolic name
 269                                         String symbolicName = p.getFileName().toString();
 270                                         symbolicName = symbolicName.substring(0, symbolicName.length() - ".bnd".length());
 271                                         mergeProps.put(BUNDLE_SYMBOLICNAME.toString(), symbolicName);
 272                                 }
 273
 274                                 String repoStr = mergeProps.containsKey(SLC_ORIGIN_M2_REPO.toString())
 275                                                 ? mergeProps.getProperty(SLC_ORIGIN_M2_REPO.toString())
 276                                                 : null;
 277
 278                                 // download
 279                                 URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 280                                 Path downloaded = downloadMaven(url, originBase, artifact);
 281
 282                                 Path targetBundleDir = processBndJar(downloaded, targetCategoryBase, mergeProps, artifact);
 283 //                              logger.log(Level.DEBUG, () -> "Processed " + downloaded);
 284
 285                                 // sources
 286                                 downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 287
 288                                 createJar(targetBundleDir);
 289                         }
 290                 } catch (IOException e) {
 291                         throw new RuntimeException("Cannot process " + duDir, e);
 292                 }
 293
 294         }
 295
 296         /** Merge multiple Maven artifacts. */
 297         protected void mergeM2Artifacts(Path mergeBnd) throws IOException {
 298                 Path duDir = mergeBnd.getParent();
 299                 String category = duDir.getParent().getFileName().toString();
 300                 Path targetCategoryBase = a2Base.resolve(category);
 301
 302                 Properties mergeProps = new Properties();
 303                 try (InputStream in = Files.newInputStream(mergeBnd)) {
 304                         mergeProps.load(in);
 305                 }
 306
 307                 // Version
 308                 String m2Version = mergeProps.getProperty(SLC_ORIGIN_M2.toString());
 309                 if (m2Version == null) {
 310                         logger.log(Level.WARNING, "Ignoring " + duDir + " as it is not an M2-based distribution unit");
 311                         return;// ignore, this is probably an Eclipse archive
 312                 }
 313                 if (!m2Version.startsWith(":")) {
 314                         throw new IllegalStateException("Only the M2 version can be specified: " + m2Version);
 315                 }
 316                 m2Version = m2Version.substring(1);
 317                 mergeProps.put(ManifestConstants.BUNDLE_VERSION.toString(), m2Version);
 318
 319                 String artifactsStr = mergeProps.getProperty(ManifestConstants.SLC_ORIGIN_M2_MERGE.toString());
 320                 if (artifactsStr == null)
 321                         throw new IllegalArgumentException(
 322                                         mergeBnd + ": " + ManifestConstants.SLC_ORIGIN_M2_MERGE + " must be set");
 323
 324                 String repoStr = mergeProps.containsKey(SLC_ORIGIN_M2_REPO.toString())
 325                                 ? mergeProps.getProperty(SLC_ORIGIN_M2_REPO.toString())
 326                                 : null;
 327
 328                 String bundleSymbolicName = mergeProps.getProperty(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 329                 if (bundleSymbolicName == null)
 330                         throw new IllegalArgumentException("Bundle-SymbolicName must be set in " + mergeBnd);
 331                 CategoryNameVersion nameVersion = new M2Artifact(category + ":" + bundleSymbolicName + ":" + m2Version);
 332                 Path targetBundleDir = targetCategoryBase.resolve(bundleSymbolicName + "." + nameVersion.getBranch());
 333
 334                 String[] artifacts = artifactsStr.split(",");
 335                 artifacts: for (String str : artifacts) {
 336                         String m2Coordinates = str.trim();
 337                         if ("".equals(m2Coordinates))
 338                                 continue artifacts;
 339                         M2Artifact artifact = new M2Artifact(m2Coordinates.trim());
 340                         if (artifact.getVersion() == null)
 341                                 artifact.setVersion(m2Version);
 342                         URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 343                         Path downloaded = downloadMaven(url, originBase, artifact);
 344                         JarEntry entry;
 345                         try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(downloaded), false)) {
 346                                 entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 347                                         if (entry.isDirectory())
 348                                                 continue entries;
 349                                         else if (entry.getName().endsWith(".RSA") || entry.getName().endsWith(".SF"))
 350                                                 continue entries;
 351                                         else if (entry.getName().startsWith("META-INF/versions/"))
 352                                                 continue entries;
 353                                         else if (entry.getName().startsWith("META-INF/maven/"))
 354                                                 continue entries;
 355                                         else if (entry.getName().equals("module-info.class"))
 356                                                 continue entries;
 357                                         else if (entry.getName().equals("META-INF/NOTICE"))
 358                                                 continue entries;
 359                                         else if (entry.getName().equals("META-INF/NOTICE.txt"))
 360                                                 continue entries;
 361                                         else if (entry.getName().equals("META-INF/LICENSE"))
 362                                                 continue entries;
 363                                         else if (entry.getName().equals("META-INF/LICENSE.md"))
 364                                                 continue entries;
 365                                         else if (entry.getName().equals("META-INF/LICENSE-notice.md"))
 366                                                 continue entries;
 367                                         else if (entry.getName().equals("META-INF/DEPENDENCIES"))
 368                                                 continue entries;
 369                                         if (entry.getName().startsWith(".cache/")) // Apache SSHD
 370                                                 continue entries;
 371                                         Path target = targetBundleDir.resolve(entry.getName());
 372                                         Files.createDirectories(target.getParent());
 373                                         if (!Files.exists(target)) {
 374                                                 Files.copy(jarIn, target);
 375                                         } else {
 376                                                 if (entry.getName().startsWith("META-INF/services/")) {
 377                                                         try (OutputStream out = Files.newOutputStream(target, StandardOpenOption.APPEND)) {
 378                                                                 out.write("\n".getBytes());
 379                                                                 jarIn.transferTo(out);
 380                                                                 logger.log(Level.WARNING, artifact.getArtifactId() + " - Appended " + entry.getName());
 381                                                         }
 382                                                 } else if (entry.getName().startsWith("org/apache/batik/")) {
 383                                                         logger.log(Level.WARNING, "Skip " + entry.getName());
 384                                                         continue entries;
 385                                                 } else {
 386                                                         throw new IllegalStateException("File " + target + " from " + artifact + " already exists");
 387                                                 }
 388                                         }
 389                                         logger.log(Level.TRACE, () -> "Copied " + target);
 390                                 }
 391
 392                         }
 393                         downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 394                 }
 395
 396                 // additional service files
 397                 Path servicesDir = duDir.resolve("services");
 398                 if (Files.exists(servicesDir)) {
 399                         for (Path p : Files.newDirectoryStream(servicesDir)) {
 400                                 Path target = targetBundleDir.resolve("META-INF/services/").resolve(p.getFileName());
 401                                 try (InputStream in = Files.newInputStream(p);
 402                                                 OutputStream out = Files.newOutputStream(target, StandardOpenOption.APPEND);) {
 403                                         out.write("\n".getBytes());
 404                                         in.transferTo(out);
 405                                         logger.log(Level.WARNING, "Appended " + p);
 406                                 }
 407                         }
 408                 }
 409
 410                 Map<String, String> entries = new TreeMap<>();
 411                 try (Analyzer bndAnalyzer = new Analyzer()) {
 412                         bndAnalyzer.setProperties(mergeProps);
 413                         Jar jar = new Jar(targetBundleDir.toFile());
 414                         bndAnalyzer.setJar(jar);
 415                         Manifest manifest = bndAnalyzer.calcManifest();
 416
 417                         keys: for (Object key : manifest.getMainAttributes().keySet()) {
 418                                 Object value = manifest.getMainAttributes().get(key);
 419
 420                                 switch (key.toString()) {
 421                                 case "Tool":
 422                                 case "Bnd-LastModified":
 423                                 case "Created-By":
 424                                         continue keys;
 425                                 }
 426                                 if ("Require-Capability".equals(key.toString())
 427                                                 && value.toString().equals("osgi.ee;filter:=\"(&(osgi.ee=JavaSE)(version=1.1))\""))
 428                                         continue keys;// hack for very old classes
 429                                 entries.put(key.toString(), value.toString());
 430                                 // logger.log(DEBUG, () -> key + "=" + value);
 431
 432                         }
 433                 } catch (Exception e) {
 434                         throw new RuntimeException("Cannot process " + mergeBnd, e);
 435                 }
 436
 437                 Manifest manifest = new Manifest();
 438                 Path manifestPath = targetBundleDir.resolve("META-INF/MANIFEST.MF");
 439                 Files.createDirectories(manifestPath.getParent());
 440                 for (String key : entries.keySet()) {
 441                         String value = entries.get(key);
 442                         manifest.getMainAttributes().putValue(key, value);
 443                 }
 444
 445                 try (OutputStream out = Files.newOutputStream(manifestPath)) {
 446                         manifest.write(out);
 447                 }
 448                 createJar(targetBundleDir);
 449         }
 450
 451         /** Generate MANIFEST using BND. */
 452         protected Path processBndJar(Path downloaded, Path targetCategoryBase, Properties fileProps, M2Artifact artifact) {
 453
 454                 try {
 455                         Map<String, String> additionalEntries = new TreeMap<>();
 456                         boolean doNotModify = Boolean.parseBoolean(fileProps
 457                                         .getOrDefault(ManifestConstants.SLC_ORIGIN_MANIFEST_NOT_MODIFIED.toString(), "false").toString());
 458
 459                         // we always force the symbolic name
 460
 461                         if (doNotModify) {
 462                                 fileEntries: for (Object key : fileProps.keySet()) {
 463                                         if (ManifestConstants.SLC_ORIGIN_M2.toString().equals(key))
 464                                                 continue fileEntries;
 465                                         String value = fileProps.getProperty(key.toString());
 466                                         additionalEntries.put(key.toString(), value);
 467                                 }
 468                         } else {
 469                                 if (artifact != null) {
 470                                         if (!fileProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 471                                                 fileProps.put(BUNDLE_SYMBOLICNAME.toString(), artifact.getName());
 472                                         }
 473                                         if (!fileProps.containsKey(BUNDLE_VERSION.toString())) {
 474                                                 fileProps.put(BUNDLE_VERSION.toString(), artifact.getVersion());
 475                                         }
 476                                 }
 477
 478                                 if (!fileProps.containsKey(EXPORT_PACKAGE.toString())) {
 479                                         fileProps.put(EXPORT_PACKAGE.toString(),
 480                                                         "*;version=\"" + fileProps.getProperty(BUNDLE_VERSION.toString()) + "\"");
 481                                 }
 482
 483                                 try (Analyzer bndAnalyzer = new Analyzer()) {
 484                                         bndAnalyzer.setProperties(fileProps);
 485                                         Jar jar = new Jar(downloaded.toFile());
 486                                         bndAnalyzer.setJar(jar);
 487                                         Manifest manifest = bndAnalyzer.calcManifest();
 488
 489                                         keys: for (Object key : manifest.getMainAttributes().keySet()) {
 490                                                 Object value = manifest.getMainAttributes().get(key);
 491
 492                                                 switch (key.toString()) {
 493                                                 case "Tool":
 494                                                 case "Bnd-LastModified":
 495                                                 case "Created-By":
 496                                                         continue keys;
 497                                                 }
 498                                                 if ("Require-Capability".equals(key.toString())
 499                                                                 && value.toString().equals("osgi.ee;filter:=\"(&(osgi.ee=JavaSE)(version=1.1))\""))
 500                                                         continue keys;// hack for very old classes
 501                                                 additionalEntries.put(key.toString(), value.toString());
 502                                                 // logger.log(DEBUG, () -> key + "=" + value);
 503
 504                                         }
 505                                 }
 506                         }
 507                         Path targetBundleDir = processBundleJar(downloaded, targetCategoryBase, additionalEntries);
 508                         logger.log(Level.DEBUG, () -> "Processed " + downloaded);
 509                         return targetBundleDir;
 510                 } catch (Exception e) {
 511                         throw new RuntimeException("Cannot BND process " + downloaded, e);
 512                 }
 513
 514         }
 515
 516         /** Download and integrates sources for a single Maven artifact. */
 517         protected void downloadAndProcessM2Sources(String repoStr, M2Artifact artifact, Path targetBundleDir)
 518                         throws IOException {
 519 //              if (sourceBundles)
 520 //                      return;
 521                 try {
 522                         M2Artifact sourcesArtifact = new M2Artifact(artifact.toM2Coordinates(), "sources");
 523                         URL sourcesUrl = M2ConventionsUtils.mavenRepoUrl(repoStr, sourcesArtifact);
 524                         Path sourcesDownloaded = downloadMaven(sourcesUrl, originBase, artifact, true);
 525                         processM2SourceJar(sourcesDownloaded, targetBundleDir);
 526                         logger.log(Level.TRACE, () -> "Processed source " + sourcesDownloaded);
 527                 } catch (Exception e) {
 528                         logger.log(Level.ERROR, () -> "Cannot download source for  " + artifact);
 529                 }
 530
 531         }
 532
 533         /** Integrate sources from a downloaded jar file. */
 534         protected void processM2SourceJar(Path file, Path targetBundleDir) throws IOException {
 535                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 536                         Path targetSourceDir = sourceBundles
 537                                         ? targetBundleDir.getParent().resolve(targetBundleDir.toString() + ".src")
 538                                         : targetBundleDir.resolve("OSGI-OPT/src");
 539
 540                         // TODO make it less dangerous?
 541                         if (Files.exists(targetSourceDir)) {
 542 //                              deleteDirectory(targetSourceDir);
 543                         } else {
 544                                 Files.createDirectories(targetSourceDir);
 545                         }
 546
 547                         // copy entries
 548                         JarEntry entry;
 549                         entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 550                                 if (entry.isDirectory())
 551                                         continue entries;
 552                                 if (entry.getName().startsWith("META-INF"))// skip META-INF entries
 553                                         continue entries;
 554                                 if (entry.getName().startsWith("module-info.java"))// skip META-INF entries
 555                                         continue entries;
 556                                 if (entry.getName().startsWith("/")) // absolute paths
 557                                         continue entries;
 558                                 Path target = targetSourceDir.resolve(entry.getName());
 559                                 Files.createDirectories(target.getParent());
 560                                 if (!Files.exists(target)) {
 561                                         Files.copy(jarIn, target);
 562                                         logger.log(Level.TRACE, () -> "Copied source " + target);
 563                                 } else {
 564                                         logger.log(Level.WARNING, () -> target + " already exists, skipping...");
 565                                 }
 566                         }
 567                 }
 568
 569         }
 570
 571         /** Download a Maven artifact. */
 572         protected Path downloadMaven(URL url, Path dir, M2Artifact artifact) throws IOException {
 573                 return downloadMaven(url, dir, artifact, false);
 574         }
 575
 576         /** Download a Maven artifact. */
 577         protected Path downloadMaven(URL url, Path dir, M2Artifact artifact, boolean sources) throws IOException {
 578                 return download(url, dir, artifact.getGroupId() + '/' + artifact.getArtifactId() + "-" + artifact.getVersion()
 579                                 + (sources ? "-sources" : "") + ".jar");
 580         }
 581
 582         /*
 583          * ECLIPSE ORIGIN
 584          */
 585
 586         /** Process an archive in Eclipse format. */
 587         public void processEclipseArchive(Path duDir) {
 588                 try {
 589                         Path categoryRelativePath = descriptorsBase.relativize(duDir.getParent());
 590                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 591                         Files.createDirectories(targetCategoryBase);
 592                         // first delete all directories from previous builds
 593                         for (Path dir : Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p))) {
 594                                 deleteDirectory(dir);
 595                         }
 596
 597                         Files.createDirectories(originBase);
 598
 599                         Path commonBnd = duDir.resolve(COMMON_BND);
 600                         Properties commonProps = new Properties();
 601                         try (InputStream in = Files.newInputStream(commonBnd)) {
 602                                 commonProps.load(in);
 603                         }
 604                         String url = commonProps.getProperty(ManifestConstants.SLC_ORIGIN_URI.toString());
 605                         if (url == null) {
 606                                 url = uris.getProperty(duDir.getFileName().toString());
 607                                 if (url == null)
 608                                         throw new IllegalStateException("No url available for " + duDir);
 609                                 commonProps.put(ManifestConstants.SLC_ORIGIN_URI.toString(), url);
 610                         }
 611                         Path downloaded = tryDownloadArchive(url, originBase);
 612
 613                         FileSystem zipFs = FileSystems.newFileSystem(downloaded, (ClassLoader) null);
 614
 615                         // filters
 616                         List<PathMatcher> includeMatchers = new ArrayList<>();
 617                         Properties includes = new Properties();
 618                         try (InputStream in = Files.newInputStream(duDir.resolve("includes.properties"))) {
 619                                 includes.load(in);
 620                         }
 621                         for (Object pattern : includes.keySet()) {
 622                                 PathMatcher pathMatcher = zipFs.getPathMatcher("glob:/" + pattern);
 623                                 includeMatchers.add(pathMatcher);
 624                         }
 625
 626                         List<PathMatcher> excludeMatchers = new ArrayList<>();
 627                         Path excludeFile = duDir.resolve("excludes.properties");
 628                         if (Files.exists(excludeFile)) {
 629                                 Properties excludes = new Properties();
 630                                 try (InputStream in = Files.newInputStream(excludeFile)) {
 631                                         excludes.load(in);
 632                                 }
 633                                 for (Object pattern : excludes.keySet()) {
 634                                         PathMatcher pathMatcher = zipFs.getPathMatcher("glob:/" + pattern);
 635                                         excludeMatchers.add(pathMatcher);
 636                                 }
 637                         }
 638
 639                         Files.walkFileTree(zipFs.getRootDirectories().iterator().next(), new SimpleFileVisitor<Path>() {
 640
 641                                 @Override
 642                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 643                                         includeMatchers: for (PathMatcher includeMatcher : includeMatchers) {
 644                                                 if (includeMatcher.matches(file)) {
 645                                                         for (PathMatcher excludeMatcher : excludeMatchers) {
 646                                                                 if (excludeMatcher.matches(file)) {
 647                                                                         logger.log(Level.TRACE, "Skipping excluded " + file);
 648                                                                         return FileVisitResult.CONTINUE;
 649                                                                 }
 650                                                         }
 651                                                         if (file.getFileName().toString().contains(".source_")) {
 652 //                                                              if (!sourceBundles) {
 653                                                                 processEclipseSourceJar(file, targetCategoryBase);
 654                                                                 logger.log(Level.DEBUG, () -> "Processed source " + file);
 655 //                                                              }
 656
 657                                                         } else {
 658                                                                 Map<String, String> map = new HashMap<>();
 659                                                                 for (Object key : commonProps.keySet())
 660                                                                         map.put(key.toString(), commonProps.getProperty(key.toString()));
 661                                                                 processBundleJar(file, targetCategoryBase, map);
 662                                                                 logger.log(Level.DEBUG, () -> "Processed " + file);
 663                                                         }
 664                                                         break includeMatchers;
 665                                                 }
 666                                         }
 667                                         return FileVisitResult.CONTINUE;
 668                                 }
 669                         });
 670
 671                         DirectoryStream<Path> dirs = Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p)
 672                                         && p.getFileName().toString().indexOf('.') >= 0 && !p.getFileName().toString().endsWith(".src"));
 673                         for (Path dir : dirs) {
 674                                 createJar(dir);
 675                         }
 676                 } catch (IOException e) {
 677                         throw new RuntimeException("Cannot process " + duDir, e);
 678                 }
 679
 680         }
 681
 682         /** Process sources in Eclipse format. */
 683         protected void processEclipseSourceJar(Path file, Path targetBase) throws IOException {
 684                 try {
 685                         Path targetBundleDir;
 686                         try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 687                                 Manifest manifest = jarIn.getManifest();
 688
 689                                 String[] relatedBundle = manifest.getMainAttributes().getValue("Eclipse-SourceBundle").split(";");
 690                                 String version = relatedBundle[1].substring("version=\"".length());
 691                                 version = version.substring(0, version.length() - 1);
 692                                 NameVersion nameVersion = new NameVersion(relatedBundle[0], version);
 693                                 targetBundleDir = targetBase.resolve(nameVersion.getName() + "." + nameVersion.getBranch());
 694
 695                                 Path targetSourceDir = sourceBundles
 696                                                 ? targetBundleDir.getParent().resolve(targetBundleDir.toString() + ".src")
 697                                                 : targetBundleDir.resolve("OSGI-OPT/src");
 698
 699                                 // TODO make it less dangerous?
 700                                 if (Files.exists(targetSourceDir)) {
 701 //                              deleteDirectory(targetSourceDir);
 702                                 } else {
 703                                         Files.createDirectories(targetSourceDir);
 704                                 }
 705
 706                                 // copy entries
 707                                 JarEntry entry;
 708                                 entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 709                                         if (entry.isDirectory())
 710                                                 continue entries;
 711                                         if (entry.getName().startsWith("META-INF"))// skip META-INF entries
 712                                                 continue entries;
 713                                         Path target = targetSourceDir.resolve(entry.getName());
 714                                         Files.createDirectories(target.getParent());
 715                                         Files.copy(jarIn, target);
 716                                         logger.log(Level.TRACE, () -> "Copied source " + target);
 717                                 }
 718
 719                                 // copy MANIFEST
 720                         }
 721                 } catch (IOException e) {
 722                         throw new IllegalStateException("Cannot process " + file, e);
 723                 }
 724
 725         }
 726
 727         /*
 728          * COMMON PROCESSING
 729          */
 730         /** Normalise a bundle. */
 731         protected Path processBundleJar(Path file, Path targetBase, Map<String, String> entries) throws IOException {
 732                 NameVersion nameVersion;
 733                 Path targetBundleDir;
 734                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 735                         Manifest sourceManifest = jarIn.getManifest();
 736                         Manifest manifest = sourceManifest != null ? new Manifest(sourceManifest) : new Manifest();
 737
 738                         // singleton
 739                         boolean isSingleton = false;
 740                         String rawSourceSymbolicName = manifest.getMainAttributes()
 741                                         .getValue(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 742                         if (rawSourceSymbolicName != null) {
 743
 744                                 // make sure there is no directive
 745                                 String[] arr = rawSourceSymbolicName.split(";");
 746                                 for (int i = 1; i < arr.length; i++) {
 747                                         if (arr[i].trim().equals("singleton:=true"))
 748                                                 isSingleton = true;
 749                                         logger.log(DEBUG, file.getFileName() + " is a singleton");
 750                                 }
 751                         }
 752
 753                         // remove problematic entries in MANIFEST
 754                         manifest.getEntries().clear();
 755
 756                         String ourSymbolicName = entries.get(BUNDLE_SYMBOLICNAME.toString());
 757                         String ourVersion = entries.get(BUNDLE_VERSION.toString());
 758
 759                         if (ourSymbolicName != null && ourVersion != null) {
 760                                 nameVersion = new NameVersion(ourSymbolicName, ourVersion);
 761                         } else {
 762                                 nameVersion = nameVersionFromManifest(manifest);
 763                                 if (ourVersion != null && !nameVersion.getVersion().equals(ourVersion)) {
 764                                         logger.log(Level.WARNING,
 765                                                         "Original version is " + nameVersion.getVersion() + " while new version is " + ourVersion);
 766                                         entries.put(BUNDLE_VERSION.toString(), ourVersion);
 767                                 }
 768                                 if (ourSymbolicName != null) {
 769                                         // we always force our symbolic name
 770                                         nameVersion.setName(ourSymbolicName);
 771                                 }
 772                         }
 773                         targetBundleDir = targetBase.resolve(nameVersion.getName() + "." + nameVersion.getBranch());
 774
 775                         // force Java 9 module name
 776                         entries.put(ManifestConstants.AUTOMATIC_MODULE_NAME.toString(), nameVersion.getName());
 777
 778                         boolean isNative = false;
 779                         String os = null;
 780                         String arch = null;
 781                         if (targetBundleDir.startsWith(a2LibBase)) {
 782                                 isNative = true;
 783                                 Path libRelativePath = a2LibBase.relativize(targetBundleDir);
 784                                 os = libRelativePath.getName(0).toString();
 785                                 arch = libRelativePath.getName(1).toString();
 786                         }
 787
 788                         // copy entries
 789                         JarEntry entry;
 790                         entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 791                                 if (entry.isDirectory())
 792                                         continue entries;
 793                                 if (entry.getName().endsWith(".RSA") || entry.getName().endsWith(".SF"))
 794                                         continue entries;
 795                                 if (entry.getName().endsWith("module-info.class")) // skip Java 9 module info
 796                                         continue entries;
 797                                 if (entry.getName().startsWith("META-INF/versions/")) // skip multi-version
 798                                         continue entries;
 799                                 // skip file system providers as they cause issues with native image
 800                                 if (entry.getName().startsWith("META-INF/services/java.nio.file.spi.FileSystemProvider"))
 801                                         continue entries;
 802                                 if (entry.getName().startsWith("OSGI-OPT/src/")) // skip embedded sources
 803                                         continue entries;
 804                                 Path target = targetBundleDir.resolve(entry.getName());
 805                                 Files.createDirectories(target.getParent());
 806                                 Files.copy(jarIn, target);
 807
 808                                 // native libraries
 809                                 if (isNative && (entry.getName().endsWith(".so") || entry.getName().endsWith(".dll")
 810                                                 || entry.getName().endsWith(".jnilib"))) {
 811                                         Path categoryDir = targetBundleDir.getParent();
 812 //                                      String[] segments = categoryDir.getFileName().toString().split("\\.");
 813 //                                      String arch = segments[segments.length - 1];
 814 //                                      String os = segments[segments.length - 2];
 815                                         boolean copyDll = false;
 816                                         Path targetDll = categoryDir.resolve(targetBundleDir.relativize(target));
 817                                         if (nameVersion.getName().equals("com.sun.jna")) {
 818                                                 if (arch.equals("x86_64"))
 819                                                         arch = "x86-64";
 820                                                 if (os.equals("macosx"))
 821                                                         os = "darwin";
 822                                                 if (target.getParent().getFileName().toString().equals(os + "-" + arch)) {
 823                                                         copyDll = true;
 824                                                 }
 825                                                 targetDll = categoryDir.resolve(target.getFileName());
 826                                         } else {
 827                                                 copyDll = true;
 828                                         }
 829                                         if (copyDll) {
 830                                                 Files.createDirectories(targetDll.getParent());
 831                                                 if (Files.exists(targetDll))
 832                                                         Files.delete(targetDll);
 833                                                 Files.copy(target, targetDll);
 834                                         }
 835                                         Files.delete(target);
 836                                 }
 837                                 logger.log(Level.TRACE, () -> "Copied " + target);
 838                         }
 839
 840                         // copy MANIFEST
 841                         Path manifestPath = targetBundleDir.resolve("META-INF/MANIFEST.MF");
 842                         Files.createDirectories(manifestPath.getParent());
 843
 844                         if (isSingleton && entries.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 845                                 entries.put(BUNDLE_SYMBOLICNAME.toString(),
 846                                                 entries.get(BUNDLE_SYMBOLICNAME.toString()) + ";singleton:=true");
 847                         }
 848
 849                         for (String key : entries.keySet()) {
 850                                 String value = entries.get(key);
 851                                 Object previousValue = manifest.getMainAttributes().putValue(key, value);
 852                                 if (previousValue != null && !previousValue.equals(value)) {
 853                                         if (ManifestConstants.IMPORT_PACKAGE.toString().equals(key)
 854                                                         || ManifestConstants.EXPORT_PACKAGE.toString().equals(key)
 855                                                         || ManifestConstants.BUNDLE_LICENSE.toString().equals(key))
 856                                                 logger.log(Level.TRACE, file.getFileName() + ": " + key + " was modified");
 857                                         else
 858                                                 logger.log(Level.WARNING, file.getFileName() + ": " + key + " was " + previousValue
 859                                                                 + ", overridden with " + value);
 860                                 }
 861
 862                                 // hack to remove unresolvable
 863                                 if (key.equals("Provide-Capability") || key.equals("Require-Capability"))
 864                                         if (nameVersion.getName().equals("osgi.core") || nameVersion.getName().equals("osgi.cmpn")) {
 865                                                 manifest.getMainAttributes().remove(key);
 866                                         }
 867                         }
 868                         try (OutputStream out = Files.newOutputStream(manifestPath)) {
 869                                 manifest.write(out);
 870                         }
 871                 }
 872                 return targetBundleDir;
 873         }
 874
 875         /*
 876          * UTILITIES
 877          */
 878
 879         /** Recursively deletes a directory. */
 880         private static void deleteDirectory(Path path) throws IOException {
 881                 if (!Files.exists(path))
 882                         return;
 883                 Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
 884                         @Override
 885                         public FileVisitResult postVisitDirectory(Path directory, IOException e) throws IOException {
 886                                 if (e != null)
 887                                         throw e;
 888                                 Files.delete(directory);
 889                                 return FileVisitResult.CONTINUE;
 890                         }
 891
 892                         @Override
 893                         public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 894                                 Files.delete(file);
 895                                 return FileVisitResult.CONTINUE;
 896                         }
 897                 });
 898         }
 899
 900         /** Extract name/version from a MANIFEST. */
 901         protected NameVersion nameVersionFromManifest(Manifest manifest) {
 902                 Attributes attrs = manifest.getMainAttributes();
 903                 // symbolic name
 904                 String symbolicName = attrs.getValue(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 905                 if (symbolicName == null)
 906                         return null;
 907                 // make sure there is no directive
 908                 symbolicName = symbolicName.split(";")[0];
 909
 910                 String version = attrs.getValue(ManifestConstants.BUNDLE_VERSION.toString());
 911                 return new NameVersion(symbolicName, version);
 912         }
 913
 914         /** Try to download from an URI. */
 915         protected Path tryDownloadArchive(String uri, Path dir) throws IOException {
 916                 // find mirror
 917                 List<String> urlBases = null;
 918                 String uriPrefix = null;
 919                 uriPrefixes: for (String uriPref : mirrors.keySet()) {
 920                         if (uri.startsWith(uriPref)) {
 921                                 if (mirrors.get(uriPref).size() > 0) {
 922                                         urlBases = mirrors.get(uriPref);
 923                                         uriPrefix = uriPref;
 924                                         break uriPrefixes;
 925                                 }
 926                         }
 927                 }
 928                 if (urlBases == null)
 929                         try {
 930                                 return downloadArchive(new URL(uri), dir);
 931                         } catch (FileNotFoundException e) {
 932                                 throw new FileNotFoundException("Cannot find " + uri);
 933                         }
 934
 935                 // try to download
 936                 for (String urlBase : urlBases) {
 937                         String relativePath = uri.substring(uriPrefix.length());
 938                         URL url = new URL(urlBase + relativePath);
 939                         try {
 940                                 return downloadArchive(url, dir);
 941                         } catch (FileNotFoundException e) {
 942                                 logger.log(Level.WARNING, "Cannot download " + url + ", trying another mirror");
 943                         }
 944                 }
 945                 throw new FileNotFoundException("Cannot find " + uri);
 946         }
 947
 948         /**
 949          * Effectively download. Synchronised in order to avoid downloading twice in
 950          * parallel.
 951          */
 952         protected synchronized Path downloadArchive(URL url, Path dir) throws IOException {
 953                 return download(url, dir, (String) null);
 954         }
 955
 956         /** Effectively download. */
 957         protected Path download(URL url, Path dir, String name) throws IOException {
 958
 959                 Path dest;
 960                 if (name == null) {
 961                         // We use also use parent directory in case the archive itself has a fixed name
 962                         String[] segments = url.getPath().split("/");
 963                         name = segments.length > 1 ? segments[segments.length - 2] + '-' + segments[segments.length - 1]
 964                                         : segments[segments.length - 1];
 965                 }
 966
 967                 dest = dir.resolve(name);
 968                 if (Files.exists(dest)) {
 969                         logger.log(Level.TRACE, () -> "File " + dest + " already exists for " + url + ", not downloading again");
 970                         return dest;
 971                 } else {
 972                         Files.createDirectories(dest.getParent());
 973                 }
 974
 975                 try (InputStream in = url.openStream()) {
 976                         Files.copy(in, dest);
 977                         logger.log(Level.DEBUG, () -> "Downloaded " + dest + " from " + url);
 978                 }
 979                 return dest;
 980         }
 981
 982         /** Create a JAR file from a directory. */
 983         protected Path createJar(Path bundleDir) throws IOException {
 984                 // Create the jar
 985                 Path jarPath = bundleDir.getParent().resolve(bundleDir.getFileName() + ".jar");
 986                 Path manifestPath = bundleDir.resolve("META-INF/MANIFEST.MF");
 987                 Manifest manifest;
 988                 try (InputStream in = Files.newInputStream(manifestPath)) {
 989                         manifest = new Manifest(in);
 990                 }
 991                 try (JarOutputStream jarOut = new JarOutputStream(Files.newOutputStream(jarPath), manifest)) {
 992                         jarOut.setLevel(Deflater.DEFAULT_COMPRESSION);
 993                         Files.walkFileTree(bundleDir, new SimpleFileVisitor<Path>() {
 994
 995                                 @Override
 996                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 997                                         if (file.getFileName().toString().equals("MANIFEST.MF"))
 998                                                 return super.visitFile(file, attrs);
 999                                         JarEntry entry = new JarEntry(
1000                                                         bundleDir.relativize(file).toString().replace(File.separatorChar, '/'));
1001                                         jarOut.putNextEntry(entry);
1002                                         Files.copy(file, jarOut);
1003                                         return super.visitFile(file, attrs);
1004                                 }
1005
1006                         });
1007                 }
1008                 deleteDirectory(bundleDir);
1009
1010                 if (sourceBundles) {
1011                         Path bundleCategoryDir = bundleDir.getParent();
1012                         Path sourceDir = bundleCategoryDir.resolve(bundleDir.toString() + ".src");
1013                         if (!Files.exists(sourceDir)) {
1014                                 logger.log(WARNING, sourceDir + " does not exist, skipping...");
1015                                 return jarPath;
1016
1017                         }
1018                         Path guessedA2Base = bundleCategoryDir.getParent();
1019                         Path srcA2Base = guessedA2Base.getParent().resolve(guessedA2Base.getFileName() + ".src");
1020                         Path srcJarP = srcA2Base.resolve(bundleCategoryDir.getFileName()).resolve(sourceDir.getFileName() + ".jar");
1021                         Files.createDirectories(srcJarP.getParent());
1022
1023                         String bundleSymbolicName = manifest.getMainAttributes().getValue("Bundle-SymbolicName").toString();
1024                         // in case there are additional directives
1025                         bundleSymbolicName = bundleSymbolicName.split(";")[0];
1026                         Manifest srcManifest = new Manifest();
1027                         srcManifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
1028                         srcManifest.getMainAttributes().putValue("Bundle-SymbolicName", bundleSymbolicName + ".src");
1029                         srcManifest.getMainAttributes().putValue("Bundle-Version",
1030                                         manifest.getMainAttributes().getValue("Bundle-Version").toString());
1031                         srcManifest.getMainAttributes().putValue("Eclipse-SourceBundle",
1032                                         bundleSymbolicName + ";version=\"" + manifest.getMainAttributes().getValue("Bundle-Version"));
1033
1034                         try (JarOutputStream srcJarOut = new JarOutputStream(Files.newOutputStream(srcJarP), srcManifest)) {
1035                                 srcJarOut.setLevel(Deflater.BEST_COMPRESSION);
1036                                 Files.walkFileTree(sourceDir, new SimpleFileVisitor<Path>() {
1037
1038                                         @Override
1039                                         public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
1040                                                 if (file.getFileName().toString().equals("MANIFEST.MF"))
1041                                                         return super.visitFile(file, attrs);
1042                                                 JarEntry entry = new JarEntry(
1043                                                                 sourceDir.relativize(file).toString().replace(File.separatorChar, '/'));
1044                                                 srcJarOut.putNextEntry(entry);
1045                                                 Files.copy(file, srcJarOut);
1046                                                 return super.visitFile(file, attrs);
1047                                         }
1048
1049                                 });
1050                         }
1051                         deleteDirectory(sourceDir);
1052                 }
1053
1054                 return jarPath;
1055         }
1056
1057         enum ManifestConstants {
1058                 // OSGi
1059                 BUNDLE_SYMBOLICNAME("Bundle-SymbolicName"), //
1060                 BUNDLE_VERSION("Bundle-Version"), //
1061                 BUNDLE_LICENSE("Bundle-License"), //
1062                 EXPORT_PACKAGE("Export-Package"), //
1063                 IMPORT_PACKAGE("Import-Package"), //
1064                 // JAVA
1065                 AUTOMATIC_MODULE_NAME("Automatic-Module-Name"), //
1066                 // SLC
1067                 SLC_CATEGORY("SLC-Category"), //
1068                 SLC_ORIGIN_M2("SLC-Origin-M2"), //
1069                 SLC_ORIGIN_M2_MERGE("SLC-Origin-M2-Merge"), //
1070                 SLC_ORIGIN_M2_REPO("SLC-Origin-M2-Repo"), //
1071                 SLC_ORIGIN_MANIFEST_NOT_MODIFIED("SLC-Origin-ManifestNotModified"), //
1072                 SLC_ORIGIN_URI("SLC-Origin-URI"),//
1073                 ;
1074
1075                 final String value;
1076
1077                 private ManifestConstants(String value) {
1078                         this.value = value;
1079                 }
1080
1081                 @Override
1082                 public String toString() {
1083                         return value;
1084                 }
1085
1086         }
1087
1088 }
1089
1090 /** Simple representation of an M2 artifact. */
1091 class M2Artifact extends CategoryNameVersion {
1092         private String classifier;
1093
1094         M2Artifact(String m2coordinates) {
1095                 this(m2coordinates, null);
1096         }
1097
1098         M2Artifact(String m2coordinates, String classifier) {
1099                 String[] parts = m2coordinates.split(":");
1100                 setCategory(parts[0]);
1101                 setName(parts[1]);
1102                 if (parts.length > 2) {
1103                         setVersion(parts[2]);
1104                 }
1105                 this.classifier = classifier;
1106         }
1107
1108         String getGroupId() {
1109                 return super.getCategory();
1110         }
1111
1112         String getArtifactId() {
1113                 return super.getName();
1114         }
1115
1116         String toM2Coordinates() {
1117                 return getCategory() + ":" + getName() + (getVersion() != null ? ":" + getVersion() : "");
1118         }
1119
1120         String getClassifier() {
1121                 return classifier != null ? classifier : "";
1122         }
1123
1124         String getExtension() {
1125                 return "jar";
1126         }
1127 }
1128
1129 /** Utilities around Maven (conventions based). */
1130 class M2ConventionsUtils {
1131         final static String MAVEN_CENTRAL_BASE_URL = "https://repo1.maven.org/maven2/";
1132
1133         /** The file name of this artifact when stored */
1134         static String artifactFileName(M2Artifact artifact) {
1135                 return artifact.getArtifactId() + '-' + artifact.getVersion()
1136                                 + (artifact.getClassifier().equals("") ? "" : '-' + artifact.getClassifier()) + '.'
1137                                 + artifact.getExtension();
1138         }
1139
1140         /** Absolute path to the file */
1141         static String artifactPath(String artifactBasePath, M2Artifact artifact) {
1142                 return artifactParentPath(artifactBasePath, artifact) + '/' + artifactFileName(artifact);
1143         }
1144
1145         /** Absolute path to the file */
1146         static String artifactUrl(String repoUrl, M2Artifact artifact) {
1147                 if (repoUrl.endsWith("/"))
1148                         return repoUrl + artifactPath("/", artifact).substring(1);
1149                 else
1150                         return repoUrl + artifactPath("/", artifact);
1151         }
1152
1153         /** Absolute path to the file */
1154         static URL mavenRepoUrl(String repoBase, M2Artifact artifact) {
1155                 String url = artifactUrl(repoBase == null ? MAVEN_CENTRAL_BASE_URL : repoBase, artifact);
1156                 try {
1157                         return new URL(url);
1158                 } catch (MalformedURLException e) {
1159                         // it should not happen
1160                         throw new IllegalStateException(e);
1161                 }
1162         }
1163
1164         /** Absolute path to the directories where the files will be stored */
1165         static String artifactParentPath(String artifactBasePath, M2Artifact artifact) {
1166                 return artifactBasePath + (artifactBasePath.endsWith("/") ? "" : "/") + artifactParentPath(artifact);
1167         }
1168
1169         /** Relative path to the directories where the files will be stored */
1170         static String artifactParentPath(M2Artifact artifact) {
1171                 return artifact.getGroupId().replace('.', '/') + '/' + artifact.getArtifactId() + '/' + artifact.getVersion();
1172         }
1173
1174         /** Singleton */
1175         private M2ConventionsUtils() {
1176         }
1177 }
1178
1179 class CategoryNameVersion extends NameVersion {
1180         private String category;
1181
1182         CategoryNameVersion() {
1183         }
1184
1185         CategoryNameVersion(String category, String name, String version) {
1186                 super(name, version);
1187                 this.category = category;
1188         }
1189
1190         CategoryNameVersion(String category, NameVersion nameVersion) {
1191                 super(nameVersion);
1192                 this.category = category;
1193         }
1194
1195         String getCategory() {
1196                 return category;
1197         }
1198
1199         void setCategory(String category) {
1200                 this.category = category;
1201         }
1202
1203         @Override
1204         public String toString() {
1205                 return category + ":" + super.toString();
1206         }
1207
1208 }
1209
1210 class NameVersion implements Comparable<NameVersion> {
1211         private String name;
1212         private String version;
1213
1214         NameVersion() {
1215         }
1216
1217         /** Interprets string in OSGi-like format my.module.name;version=0.0.0 */
1218         NameVersion(String nameVersion) {
1219                 int index = nameVersion.indexOf(";version=");
1220                 if (index < 0) {
1221                         setName(nameVersion);
1222                         setVersion(null);
1223                 } else {
1224                         setName(nameVersion.substring(0, index));
1225                         setVersion(nameVersion.substring(index + ";version=".length()));
1226                 }
1227         }
1228
1229         NameVersion(String name, String version) {
1230                 this.name = name;
1231                 this.version = version;
1232         }
1233
1234         NameVersion(NameVersion nameVersion) {
1235                 this.name = nameVersion.getName();
1236                 this.version = nameVersion.getVersion();
1237         }
1238
1239         String getName() {
1240                 return name;
1241         }
1242
1243         void setName(String name) {
1244                 this.name = name;
1245         }
1246
1247         String getVersion() {
1248                 return version;
1249         }
1250
1251         void setVersion(String version) {
1252                 this.version = version;
1253         }
1254
1255         String getBranch() {
1256                 String[] parts = getVersion().split("\\.");
1257                 if (parts.length < 2)
1258                         throw new IllegalStateException("Version " + getVersion() + " cannot be interpreted as branch.");
1259                 return parts[0] + "." + parts[1];
1260         }
1261
1262         @Override
1263         public boolean equals(Object obj) {
1264                 if (obj instanceof NameVersion) {
1265                         NameVersion nameVersion = (NameVersion) obj;
1266                         return name.equals(nameVersion.getName()) && version.equals(nameVersion.getVersion());
1267                 } else
1268                         return false;
1269         }
1270
1271         @Override
1272         public int hashCode() {
1273                 return name.hashCode();
1274         }
1275
1276         @Override
1277         public String toString() {
1278                 return name + ":" + version;
1279         }
1280
1281         public int compareTo(NameVersion o) {
1282                 if (o.getName().equals(name))
1283                         return version.compareTo(o.getVersion());
1284                 else
1285                         return name.compareTo(o.getName());
1286         }
1287 }