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 a2SrcBase;
  86         private Path a2LibBase;
  87         private Path descriptorsBase;
  88
  89         private Properties uris = new Properties();
  90
  91         /** key is URI prefix, value list of base URLs */
  92         private Map<String, List<String>> mirrors = new HashMap<String, List<String>>();
  93
  94         private final boolean sourceBundles;
  95
  96         public Repackage(Path a2Base, Path descriptorsBase) {
  97                 sourceBundles = Boolean.parseBoolean(System.getenv(ENV_BUILD_SOURCE_BUNDLES));
  98                 if (sourceBundles)
  99                         logger.log(Level.INFO, "Sources will be packaged separately");
 100
 101                 Objects.requireNonNull(a2Base);
 102                 Objects.requireNonNull(descriptorsBase);
 103                 this.originBase = Paths.get(System.getProperty("user.home"), ".cache", "argeo/build/origin");
 104                 // TODO define and use a build base
 105                 this.a2Base = a2Base;
 106                 this.a2SrcBase = a2Base.getParent().resolve(a2Base.getFileName() + ".src");
 107                 this.a2LibBase = a2Base.resolve("lib");
 108                 this.descriptorsBase = descriptorsBase;
 109                 if (!Files.exists(this.descriptorsBase))
 110                         throw new IllegalArgumentException(this.descriptorsBase + " does not exist");
 111
 112                 // URIs mapping
 113                 Path urisPath = this.descriptorsBase.resolve("uris.properties");
 114                 if (Files.exists(urisPath)) {
 115                         try (InputStream in = Files.newInputStream(urisPath)) {
 116                                 uris.load(in);
 117                         } catch (IOException e) {
 118                                 throw new IllegalStateException("Cannot load " + urisPath, e);
 119                         }
 120                 }
 121
 122                 // Eclipse mirrors
 123                 Path eclipseMirrorsPath = this.descriptorsBase.resolve("eclipse.mirrors.txt");
 124                 List<String> eclipseMirrors = new ArrayList<>();
 125                 if (Files.exists(eclipseMirrorsPath)) {
 126                         try {
 127                                 eclipseMirrors = Files.readAllLines(eclipseMirrorsPath, StandardCharsets.UTF_8);
 128                         } catch (IOException e) {
 129                                 throw new IllegalStateException("Cannot load " + eclipseMirrorsPath, e);
 130                         }
 131                         for (Iterator<String> it = eclipseMirrors.iterator(); it.hasNext();) {
 132                                 String value = it.next();
 133                                 if (value.strip().equals(""))
 134                                         it.remove();
 135                         }
 136                 }
 137
 138                 mirrors.put("http://www.eclipse.org/downloads", eclipseMirrors);
 139         }
 140
 141         /*
 142          * MAVEN ORIGIN
 143          */
 144
 145         /** Process a whole category/group id. */
 146         public void processCategory(Path categoryRelativePath) {
 147                 try {
 148                         Path targetCategoryBase = descriptorsBase.resolve(categoryRelativePath);
 149                         DirectoryStream<Path> bnds = Files.newDirectoryStream(targetCategoryBase,
 150                                         (p) -> p.getFileName().toString().endsWith(".bnd") && !p.getFileName().toString().equals(COMMON_BND)
 151                                                         && !p.getFileName().toString().equals(MERGE_BND));
 152                         for (Path p : bnds) {
 153                                 processSingleM2ArtifactDistributionUnit(p);
 154                         }
 155
 156                         DirectoryStream<Path> dus = Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p));
 157                         for (Path duDir : dus) {
 158                                 if (duDir.getFileName().toString().startsWith("eclipse-")) {
 159                                         processEclipseArchive(duDir);
 160                                 } else {
 161                                         processM2BasedDistributionUnit(duDir);
 162                                 }
 163                         }
 164                 } catch (IOException e) {
 165                         throw new RuntimeException("Cannot process category " + categoryRelativePath, e);
 166                 }
 167         }
 168
 169         /** Process a standalone Maven artifact. */
 170         public void processSingleM2ArtifactDistributionUnit(Path bndFile) {
 171                 try {
 172 //                      String category = bndFile.getParent().getFileName().toString();
 173                         Path categoryRelativePath = descriptorsBase.relativize(bndFile.getParent());
 174                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 175
 176                         Properties fileProps = new Properties();
 177                         try (InputStream in = Files.newInputStream(bndFile)) {
 178                                 fileProps.load(in);
 179                         }
 180                         String repoStr = fileProps.containsKey(SLC_ORIGIN_M2_REPO.toString())
 181                                         ? fileProps.getProperty(SLC_ORIGIN_M2_REPO.toString())
 182                                         : null;
 183
 184                         if (!fileProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 185                                 // use file name as symbolic name
 186                                 String symbolicName = bndFile.getFileName().toString();
 187                                 symbolicName = symbolicName.substring(0, symbolicName.length() - ".bnd".length());
 188                                 fileProps.put(BUNDLE_SYMBOLICNAME.toString(), symbolicName);
 189                         }
 190
 191                         String m2Coordinates = fileProps.getProperty(SLC_ORIGIN_M2.toString());
 192                         if (m2Coordinates == null)
 193                                 throw new IllegalArgumentException("No M2 coordinates available for " + bndFile);
 194                         M2Artifact artifact = new M2Artifact(m2Coordinates);
 195                         URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 196                         Path downloaded = downloadMaven(url, originBase, artifact);
 197
 198                         Path targetBundleDir = processBndJar(downloaded, targetCategoryBase, fileProps, artifact);
 199
 200                         downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 201
 202                         createJar(targetBundleDir);
 203                 } catch (Exception e) {
 204                         throw new RuntimeException("Cannot process " + bndFile, e);
 205                 }
 206         }
 207
 208         /** Process multiple Maven artifacts. */
 209         public void processM2BasedDistributionUnit(Path duDir) {
 210                 try {
 211                         // String category = duDir.getParent().getFileName().toString();
 212                         Path categoryRelativePath = descriptorsBase.relativize(duDir.getParent());
 213                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 214
 215                         // merge
 216                         Path mergeBnd = duDir.resolve(MERGE_BND);
 217                         if (Files.exists(mergeBnd)) {
 218                                 mergeM2Artifacts(mergeBnd);
 219 //                              return;
 220                         }
 221
 222                         Path commonBnd = duDir.resolve(COMMON_BND);
 223                         if (!Files.exists(commonBnd)) {
 224                                 return;
 225                         }
 226                         Properties commonProps = new Properties();
 227                         try (InputStream in = Files.newInputStream(commonBnd)) {
 228                                 commonProps.load(in);
 229                         }
 230
 231                         String m2Version = commonProps.getProperty(SLC_ORIGIN_M2.toString());
 232                         if (m2Version == null) {
 233                                 logger.log(Level.WARNING, "Ignoring " + duDir + " as it is not an M2-based distribution unit");
 234                                 return;// ignore, this is probably an Eclipse archive
 235                         }
 236                         if (!m2Version.startsWith(":")) {
 237                                 throw new IllegalStateException("Only the M2 version can be specified: " + m2Version);
 238                         }
 239                         m2Version = m2Version.substring(1);
 240
 241                         DirectoryStream<Path> ds = Files.newDirectoryStream(duDir,
 242                                         (p) -> p.getFileName().toString().endsWith(".bnd") && !p.getFileName().toString().equals(COMMON_BND)
 243                                                         && !p.getFileName().toString().equals(MERGE_BND));
 244                         for (Path p : ds) {
 245                                 Properties fileProps = new Properties();
 246                                 try (InputStream in = Files.newInputStream(p)) {
 247                                         fileProps.load(in);
 248                                 }
 249                                 String m2Coordinates = fileProps.getProperty(SLC_ORIGIN_M2.toString());
 250                                 M2Artifact artifact = new M2Artifact(m2Coordinates);
 251
 252                                 artifact.setVersion(m2Version);
 253
 254                                 // prepare manifest entries
 255                                 Properties mergeProps = new Properties();
 256                                 mergeProps.putAll(commonProps);
 257
 258                                 fileEntries: for (Object key : fileProps.keySet()) {
 259                                         if (ManifestConstants.SLC_ORIGIN_M2.toString().equals(key))
 260                                                 continue fileEntries;
 261                                         String value = fileProps.getProperty(key.toString());
 262                                         Object previousValue = mergeProps.put(key.toString(), value);
 263                                         if (previousValue != null) {
 264                                                 logger.log(Level.WARNING,
 265                                                                 commonBnd + ": " + key + " was " + previousValue + ", overridden with " + value);
 266                                         }
 267                                 }
 268                                 mergeProps.put(ManifestConstants.SLC_ORIGIN_M2.toString(), artifact.toM2Coordinates());
 269                                 if (!mergeProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 270                                         // use file name as symbolic name
 271                                         String symbolicName = p.getFileName().toString();
 272                                         symbolicName = symbolicName.substring(0, symbolicName.length() - ".bnd".length());
 273                                         mergeProps.put(BUNDLE_SYMBOLICNAME.toString(), symbolicName);
 274                                 }
 275
 276                                 String repoStr = mergeProps.containsKey(SLC_ORIGIN_M2_REPO.toString())
 277                                                 ? mergeProps.getProperty(SLC_ORIGIN_M2_REPO.toString())
 278                                                 : null;
 279
 280                                 // download
 281                                 URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 282                                 Path downloaded = downloadMaven(url, originBase, artifact);
 283
 284                                 Path targetBundleDir = processBndJar(downloaded, targetCategoryBase, mergeProps, artifact);
 285 //                              logger.log(Level.DEBUG, () -> "Processed " + downloaded);
 286
 287                                 // sources
 288                                 downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 289
 290                                 createJar(targetBundleDir);
 291                         }
 292                 } catch (IOException e) {
 293                         throw new RuntimeException("Cannot process " + duDir, e);
 294                 }
 295
 296         }
 297
 298         /** Merge multiple Maven artifacts. */
 299         protected void mergeM2Artifacts(Path mergeBnd) throws IOException {
 300                 Path duDir = mergeBnd.getParent();
 301                 String category = duDir.getParent().getFileName().toString();
 302                 Path targetCategoryBase = a2Base.resolve(category);
 303
 304                 Properties mergeProps = new Properties();
 305                 try (InputStream in = Files.newInputStream(mergeBnd)) {
 306                         mergeProps.load(in);
 307                 }
 308
 309                 // Version
 310                 String m2Version = mergeProps.getProperty(SLC_ORIGIN_M2.toString());
 311                 if (m2Version == null) {
 312                         logger.log(Level.WARNING, "Ignoring " + duDir + " as it is not an M2-based distribution unit");
 313                         return;// ignore, this is probably an Eclipse archive
 314                 }
 315                 if (!m2Version.startsWith(":")) {
 316                         throw new IllegalStateException("Only the M2 version can be specified: " + m2Version);
 317                 }
 318                 m2Version = m2Version.substring(1);
 319                 mergeProps.put(ManifestConstants.BUNDLE_VERSION.toString(), m2Version);
 320
 321                 String artifactsStr = mergeProps.getProperty(ManifestConstants.SLC_ORIGIN_M2_MERGE.toString());
 322                 if (artifactsStr == null)
 323                         throw new IllegalArgumentException(
 324                                         mergeBnd + ": " + ManifestConstants.SLC_ORIGIN_M2_MERGE + " must be set");
 325
 326                 String repoStr = mergeProps.containsKey(SLC_ORIGIN_M2_REPO.toString())
 327                                 ? mergeProps.getProperty(SLC_ORIGIN_M2_REPO.toString())
 328                                 : null;
 329
 330                 String bundleSymbolicName = mergeProps.getProperty(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 331                 if (bundleSymbolicName == null)
 332                         throw new IllegalArgumentException("Bundle-SymbolicName must be set in " + mergeBnd);
 333                 CategoryNameVersion nameVersion = new M2Artifact(category + ":" + bundleSymbolicName + ":" + m2Version);
 334                 Path targetBundleDir = targetCategoryBase.resolve(bundleSymbolicName + "." + nameVersion.getBranch());
 335
 336                 String[] artifacts = artifactsStr.split(",");
 337                 artifacts: for (String str : artifacts) {
 338                         String m2Coordinates = str.trim();
 339                         if ("".equals(m2Coordinates))
 340                                 continue artifacts;
 341                         M2Artifact artifact = new M2Artifact(m2Coordinates.trim());
 342                         if (artifact.getVersion() == null)
 343                                 artifact.setVersion(m2Version);
 344                         URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 345                         Path downloaded = downloadMaven(url, originBase, artifact);
 346                         JarEntry entry;
 347                         try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(downloaded), false)) {
 348                                 entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 349                                         if (entry.isDirectory())
 350                                                 continue entries;
 351                                         else if (entry.getName().endsWith(".RSA") || entry.getName().endsWith(".SF"))
 352                                                 continue entries;
 353                                         else if (entry.getName().startsWith("META-INF/versions/"))
 354                                                 continue entries;
 355                                         else if (entry.getName().startsWith("META-INF/maven/"))
 356                                                 continue entries;
 357                                         else if (entry.getName().equals("module-info.class"))
 358                                                 continue entries;
 359                                         else if (entry.getName().equals("META-INF/NOTICE"))
 360                                                 continue entries;
 361                                         else if (entry.getName().equals("META-INF/NOTICE.txt"))
 362                                                 continue entries;
 363                                         else if (entry.getName().equals("META-INF/LICENSE"))
 364                                                 continue entries;
 365                                         else if (entry.getName().equals("META-INF/LICENSE.md"))
 366                                                 continue entries;
 367                                         else if (entry.getName().equals("META-INF/LICENSE-notice.md"))
 368                                                 continue entries;
 369                                         else if (entry.getName().equals("META-INF/DEPENDENCIES"))
 370                                                 continue entries;
 371                                         if (entry.getName().startsWith(".cache/")) // Apache SSHD
 372                                                 continue entries;
 373                                         Path target = targetBundleDir.resolve(entry.getName());
 374                                         Files.createDirectories(target.getParent());
 375                                         if (!Files.exists(target)) {
 376                                                 Files.copy(jarIn, target);
 377                                         } else {
 378                                                 if (entry.getName().startsWith("META-INF/services/")) {
 379                                                         try (OutputStream out = Files.newOutputStream(target, StandardOpenOption.APPEND)) {
 380                                                                 out.write("\n".getBytes());
 381                                                                 jarIn.transferTo(out);
 382                                                                 logger.log(Level.WARNING, artifact.getArtifactId() + " - Appended " + entry.getName());
 383                                                         }
 384                                                 } else if (entry.getName().startsWith("org/apache/batik/")) {
 385                                                         logger.log(Level.WARNING, "Skip " + entry.getName());
 386                                                         continue entries;
 387                                                 } else {
 388                                                         throw new IllegalStateException("File " + target + " from " + artifact + " already exists");
 389                                                 }
 390                                         }
 391                                         logger.log(Level.TRACE, () -> "Copied " + target);
 392                                 }
 393
 394                         }
 395                         downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 396                 }
 397
 398                 // additional service files
 399                 Path servicesDir = duDir.resolve("services");
 400                 if (Files.exists(servicesDir)) {
 401                         for (Path p : Files.newDirectoryStream(servicesDir)) {
 402                                 Path target = targetBundleDir.resolve("META-INF/services/").resolve(p.getFileName());
 403                                 try (InputStream in = Files.newInputStream(p);
 404                                                 OutputStream out = Files.newOutputStream(target, StandardOpenOption.APPEND);) {
 405                                         out.write("\n".getBytes());
 406                                         in.transferTo(out);
 407                                         logger.log(Level.WARNING, "Appended " + p);
 408                                 }
 409                         }
 410                 }
 411
 412                 Map<String, String> entries = new TreeMap<>();
 413                 try (Analyzer bndAnalyzer = new Analyzer()) {
 414                         bndAnalyzer.setProperties(mergeProps);
 415                         Jar jar = new Jar(targetBundleDir.toFile());
 416                         bndAnalyzer.setJar(jar);
 417                         Manifest manifest = bndAnalyzer.calcManifest();
 418
 419                         keys: for (Object key : manifest.getMainAttributes().keySet()) {
 420                                 Object value = manifest.getMainAttributes().get(key);
 421
 422                                 switch (key.toString()) {
 423                                 case "Tool":
 424                                 case "Bnd-LastModified":
 425                                 case "Created-By":
 426                                         continue keys;
 427                                 }
 428                                 if ("Require-Capability".equals(key.toString())
 429                                                 && value.toString().equals("osgi.ee;filter:=\"(&(osgi.ee=JavaSE)(version=1.1))\""))
 430                                         continue keys;// hack for very old classes
 431                                 entries.put(key.toString(), value.toString());
 432                                 // logger.log(DEBUG, () -> key + "=" + value);
 433
 434                         }
 435                 } catch (Exception e) {
 436                         throw new RuntimeException("Cannot process " + mergeBnd, e);
 437                 }
 438
 439                 Manifest manifest = new Manifest();
 440                 Path manifestPath = targetBundleDir.resolve("META-INF/MANIFEST.MF");
 441                 Files.createDirectories(manifestPath.getParent());
 442                 for (String key : entries.keySet()) {
 443                         String value = entries.get(key);
 444                         manifest.getMainAttributes().putValue(key, value);
 445                 }
 446
 447                 try (OutputStream out = Files.newOutputStream(manifestPath)) {
 448                         manifest.write(out);
 449                 }
 450                 createJar(targetBundleDir);
 451         }
 452
 453         /** Generate MANIFEST using BND. */
 454         protected Path processBndJar(Path downloaded, Path targetCategoryBase, Properties fileProps, M2Artifact artifact) {
 455
 456                 try {
 457                         Map<String, String> additionalEntries = new TreeMap<>();
 458                         boolean doNotModify = Boolean.parseBoolean(fileProps
 459                                         .getOrDefault(ManifestConstants.SLC_ORIGIN_MANIFEST_NOT_MODIFIED.toString(), "false").toString());
 460
 461                         // we always force the symbolic name
 462
 463                         if (doNotModify) {
 464                                 fileEntries: for (Object key : fileProps.keySet()) {
 465                                         if (ManifestConstants.SLC_ORIGIN_M2.toString().equals(key))
 466                                                 continue fileEntries;
 467                                         String value = fileProps.getProperty(key.toString());
 468                                         additionalEntries.put(key.toString(), value);
 469                                 }
 470                         } else {
 471                                 if (artifact != null) {
 472                                         if (!fileProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 473                                                 fileProps.put(BUNDLE_SYMBOLICNAME.toString(), artifact.getName());
 474                                         }
 475                                         if (!fileProps.containsKey(BUNDLE_VERSION.toString())) {
 476                                                 fileProps.put(BUNDLE_VERSION.toString(), artifact.getVersion());
 477                                         }
 478                                 }
 479
 480                                 if (!fileProps.containsKey(EXPORT_PACKAGE.toString())) {
 481                                         fileProps.put(EXPORT_PACKAGE.toString(),
 482                                                         "*;version=\"" + fileProps.getProperty(BUNDLE_VERSION.toString()) + "\"");
 483                                 }
 484
 485                                 try (Analyzer bndAnalyzer = new Analyzer()) {
 486                                         bndAnalyzer.setProperties(fileProps);
 487                                         Jar jar = new Jar(downloaded.toFile());
 488                                         bndAnalyzer.setJar(jar);
 489                                         Manifest manifest = bndAnalyzer.calcManifest();
 490
 491                                         keys: for (Object key : manifest.getMainAttributes().keySet()) {
 492                                                 Object value = manifest.getMainAttributes().get(key);
 493
 494                                                 switch (key.toString()) {
 495                                                 case "Tool":
 496                                                 case "Bnd-LastModified":
 497                                                 case "Created-By":
 498                                                         continue keys;
 499                                                 }
 500                                                 if ("Require-Capability".equals(key.toString())
 501                                                                 && value.toString().equals("osgi.ee;filter:=\"(&(osgi.ee=JavaSE)(version=1.1))\""))
 502                                                         continue keys;// hack for very old classes
 503                                                 additionalEntries.put(key.toString(), value.toString());
 504                                                 // logger.log(DEBUG, () -> key + "=" + value);
 505
 506                                         }
 507                                 }
 508                         }
 509                         Path targetBundleDir = processBundleJar(downloaded, targetCategoryBase, additionalEntries);
 510                         logger.log(Level.DEBUG, () -> "Processed " + downloaded);
 511                         return targetBundleDir;
 512                 } catch (Exception e) {
 513                         throw new RuntimeException("Cannot BND process " + downloaded, e);
 514                 }
 515
 516         }
 517
 518         /** Download and integrates sources for a single Maven artifact. */
 519         protected void downloadAndProcessM2Sources(String repoStr, M2Artifact artifact, Path targetBundleDir)
 520                         throws IOException {
 521 //              if (sourceBundles)
 522 //                      return;
 523                 try {
 524                         M2Artifact sourcesArtifact = new M2Artifact(artifact.toM2Coordinates(), "sources");
 525                         URL sourcesUrl = M2ConventionsUtils.mavenRepoUrl(repoStr, sourcesArtifact);
 526                         Path sourcesDownloaded = downloadMaven(sourcesUrl, originBase, artifact, true);
 527                         processM2SourceJar(sourcesDownloaded, targetBundleDir);
 528                         logger.log(Level.TRACE, () -> "Processed source " + sourcesDownloaded);
 529                 } catch (Exception e) {
 530                         logger.log(Level.ERROR, () -> "Cannot download source for  " + artifact);
 531                 }
 532
 533         }
 534
 535         /** Integrate sources from a downloaded jar file. */
 536         protected void processM2SourceJar(Path file, Path targetBundleDir) throws IOException {
 537                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 538                         Path targetSourceDir = sourceBundles
 539                                         ? targetBundleDir.getParent().resolve(targetBundleDir.toString() + ".src")
 540                                         : targetBundleDir.resolve("OSGI-OPT/src");
 541
 542                         // TODO make it less dangerous?
 543                         if (Files.exists(targetSourceDir)) {
 544 //                              deleteDirectory(targetSourceDir);
 545                         } else {
 546                                 Files.createDirectories(targetSourceDir);
 547                         }
 548
 549                         // copy entries
 550                         JarEntry entry;
 551                         entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 552                                 if (entry.isDirectory())
 553                                         continue entries;
 554                                 if (entry.getName().startsWith("META-INF"))// skip META-INF entries
 555                                         continue entries;
 556                                 if (entry.getName().startsWith("module-info.java"))// skip META-INF entries
 557                                         continue entries;
 558                                 if (entry.getName().startsWith("/")) // absolute paths
 559                                         continue entries;
 560                                 Path target = targetSourceDir.resolve(entry.getName());
 561                                 Files.createDirectories(target.getParent());
 562                                 if (!Files.exists(target)) {
 563                                         Files.copy(jarIn, target);
 564                                         logger.log(Level.TRACE, () -> "Copied source " + target);
 565                                 } else {
 566                                         logger.log(Level.WARNING, () -> target + " already exists, skipping...");
 567                                 }
 568                         }
 569                 }
 570
 571         }
 572
 573         /** Download a Maven artifact. */
 574         protected Path downloadMaven(URL url, Path dir, M2Artifact artifact) throws IOException {
 575                 return downloadMaven(url, dir, artifact, false);
 576         }
 577
 578         /** Download a Maven artifact. */
 579         protected Path downloadMaven(URL url, Path dir, M2Artifact artifact, boolean sources) throws IOException {
 580                 return download(url, dir, artifact.getGroupId() + '/' + artifact.getArtifactId() + "-" + artifact.getVersion()
 581                                 + (sources ? "-sources" : "") + ".jar");
 582         }
 583
 584         /*
 585          * ECLIPSE ORIGIN
 586          */
 587
 588         /** Process an archive in Eclipse format. */
 589         public void processEclipseArchive(Path duDir) {
 590                 try {
 591                         Path categoryRelativePath = descriptorsBase.relativize(duDir.getParent());
 592                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 593                         Files.createDirectories(targetCategoryBase);
 594                         // first delete all directories from previous builds
 595                         for (Path dir : Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p))) {
 596                                 deleteDirectory(dir);
 597                         }
 598
 599                         Files.createDirectories(originBase);
 600
 601                         Path commonBnd = duDir.resolve(COMMON_BND);
 602                         Properties commonProps = new Properties();
 603                         try (InputStream in = Files.newInputStream(commonBnd)) {
 604                                 commonProps.load(in);
 605                         }
 606                         String url = commonProps.getProperty(ManifestConstants.SLC_ORIGIN_URI.toString());
 607                         if (url == null) {
 608                                 url = uris.getProperty(duDir.getFileName().toString());
 609                                 if (url == null)
 610                                         throw new IllegalStateException("No url available for " + duDir);
 611                                 commonProps.put(ManifestConstants.SLC_ORIGIN_URI.toString(), url);
 612                         }
 613                         Path downloaded = tryDownloadArchive(url, originBase);
 614
 615                         FileSystem zipFs = FileSystems.newFileSystem(downloaded, (ClassLoader) null);
 616
 617                         // filters
 618                         List<PathMatcher> includeMatchers = new ArrayList<>();
 619                         Properties includes = new Properties();
 620                         try (InputStream in = Files.newInputStream(duDir.resolve("includes.properties"))) {
 621                                 includes.load(in);
 622                         }
 623                         for (Object pattern : includes.keySet()) {
 624                                 PathMatcher pathMatcher = zipFs.getPathMatcher("glob:/" + pattern);
 625                                 includeMatchers.add(pathMatcher);
 626                         }
 627
 628                         List<PathMatcher> excludeMatchers = new ArrayList<>();
 629                         Path excludeFile = duDir.resolve("excludes.properties");
 630                         if (Files.exists(excludeFile)) {
 631                                 Properties excludes = new Properties();
 632                                 try (InputStream in = Files.newInputStream(excludeFile)) {
 633                                         excludes.load(in);
 634                                 }
 635                                 for (Object pattern : excludes.keySet()) {
 636                                         PathMatcher pathMatcher = zipFs.getPathMatcher("glob:/" + pattern);
 637                                         excludeMatchers.add(pathMatcher);
 638                                 }
 639                         }
 640
 641                         Files.walkFileTree(zipFs.getRootDirectories().iterator().next(), new SimpleFileVisitor<Path>() {
 642
 643                                 @Override
 644                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 645                                         includeMatchers: for (PathMatcher includeMatcher : includeMatchers) {
 646                                                 if (includeMatcher.matches(file)) {
 647                                                         for (PathMatcher excludeMatcher : excludeMatchers) {
 648                                                                 if (excludeMatcher.matches(file)) {
 649                                                                         logger.log(Level.TRACE, "Skipping excluded " + file);
 650                                                                         return FileVisitResult.CONTINUE;
 651                                                                 }
 652                                                         }
 653                                                         if (file.getFileName().toString().contains(".source_")) {
 654 //                                                              if (!sourceBundles) {
 655                                                                 processEclipseSourceJar(file, targetCategoryBase);
 656                                                                 logger.log(Level.DEBUG, () -> "Processed source " + file);
 657 //                                                              }
 658
 659                                                         } else {
 660                                                                 Map<String, String> map = new HashMap<>();
 661                                                                 for (Object key : commonProps.keySet())
 662                                                                         map.put(key.toString(), commonProps.getProperty(key.toString()));
 663                                                                 processBundleJar(file, targetCategoryBase, map);
 664                                                                 logger.log(Level.DEBUG, () -> "Processed " + file);
 665                                                         }
 666                                                         break includeMatchers;
 667                                                 }
 668                                         }
 669                                         return FileVisitResult.CONTINUE;
 670                                 }
 671                         });
 672
 673                         DirectoryStream<Path> dirs = Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p)
 674                                         && p.getFileName().toString().indexOf('.') >= 0 && !p.getFileName().toString().endsWith(".src"));
 675                         for (Path dir : dirs) {
 676                                 createJar(dir);
 677                         }
 678                 } catch (IOException e) {
 679                         throw new RuntimeException("Cannot process " + duDir, e);
 680                 }
 681
 682         }
 683
 684         /** Process sources in Eclipse format. */
 685         protected void processEclipseSourceJar(Path file, Path targetBase) throws IOException {
 686                 try {
 687                         Path targetBundleDir;
 688                         try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 689                                 Manifest manifest = jarIn.getManifest();
 690
 691                                 String[] relatedBundle = manifest.getMainAttributes().getValue("Eclipse-SourceBundle").split(";");
 692                                 String version = relatedBundle[1].substring("version=\"".length());
 693                                 version = version.substring(0, version.length() - 1);
 694                                 NameVersion nameVersion = new NameVersion(relatedBundle[0], version);
 695                                 targetBundleDir = targetBase.resolve(nameVersion.getName() + "." + nameVersion.getBranch());
 696
 697                                 Path targetSourceDir = sourceBundles
 698                                                 ? targetBundleDir.getParent().resolve(targetBundleDir.toString() + ".src")
 699                                                 : targetBundleDir.resolve("OSGI-OPT/src");
 700
 701                                 // TODO make it less dangerous?
 702                                 if (Files.exists(targetSourceDir)) {
 703 //                              deleteDirectory(targetSourceDir);
 704                                 } else {
 705                                         Files.createDirectories(targetSourceDir);
 706                                 }
 707
 708                                 // copy entries
 709                                 JarEntry entry;
 710                                 entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 711                                         if (entry.isDirectory())
 712                                                 continue entries;
 713                                         if (entry.getName().startsWith("META-INF"))// skip META-INF entries
 714                                                 continue entries;
 715                                         Path target = targetSourceDir.resolve(entry.getName());
 716                                         Files.createDirectories(target.getParent());
 717                                         Files.copy(jarIn, target);
 718                                         logger.log(Level.TRACE, () -> "Copied source " + target);
 719                                 }
 720
 721                                 // copy MANIFEST
 722                         }
 723                 } catch (IOException e) {
 724                         throw new IllegalStateException("Cannot process " + file, e);
 725                 }
 726
 727         }
 728
 729         /*
 730          * COMMON PROCESSING
 731          */
 732         /** Normalise a bundle. */
 733         protected Path processBundleJar(Path file, Path targetBase, Map<String, String> entries) throws IOException {
 734                 NameVersion nameVersion;
 735                 Path targetBundleDir;
 736                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 737                         Manifest sourceManifest = jarIn.getManifest();
 738                         Manifest manifest = sourceManifest != null ? new Manifest(sourceManifest) : new Manifest();
 739
 740                         // singleton
 741                         boolean isSingleton = false;
 742                         String rawSourceSymbolicName = manifest.getMainAttributes()
 743                                         .getValue(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 744                         if (rawSourceSymbolicName != null) {
 745
 746                                 // make sure there is no directive
 747                                 String[] arr = rawSourceSymbolicName.split(";");
 748                                 for (int i = 1; i < arr.length; i++) {
 749                                         if (arr[i].trim().equals("singleton:=true"))
 750                                                 isSingleton = true;
 751                                         logger.log(DEBUG, file.getFileName() + " is a singleton");
 752                                 }
 753                         }
 754
 755                         // remove problematic entries in MANIFEST
 756                         manifest.getEntries().clear();
 757
 758                         String ourSymbolicName = entries.get(BUNDLE_SYMBOLICNAME.toString());
 759                         String ourVersion = entries.get(BUNDLE_VERSION.toString());
 760
 761                         if (ourSymbolicName != null && ourVersion != null) {
 762                                 nameVersion = new NameVersion(ourSymbolicName, ourVersion);
 763                         } else {
 764                                 nameVersion = nameVersionFromManifest(manifest);
 765                                 if (ourVersion != null && !nameVersion.getVersion().equals(ourVersion)) {
 766                                         logger.log(Level.WARNING,
 767                                                         "Original version is " + nameVersion.getVersion() + " while new version is " + ourVersion);
 768                                         entries.put(BUNDLE_VERSION.toString(), ourVersion);
 769                                 }
 770                                 if (ourSymbolicName != null) {
 771                                         // we always force our symbolic name
 772                                         nameVersion.setName(ourSymbolicName);
 773                                 }
 774                         }
 775                         targetBundleDir = targetBase.resolve(nameVersion.getName() + "." + nameVersion.getBranch());
 776
 777                         // force Java 9 module name
 778                         entries.put(ManifestConstants.AUTOMATIC_MODULE_NAME.toString(), nameVersion.getName());
 779
 780                         boolean isNative = false;
 781                         String os = null;
 782                         String arch = null;
 783                         if (targetBundleDir.startsWith(a2LibBase)) {
 784                                 isNative = true;
 785                                 Path libRelativePath = a2LibBase.relativize(targetBundleDir);
 786                                 os = libRelativePath.getName(0).toString();
 787                                 arch = libRelativePath.getName(1).toString();
 788                         }
 789
 790                         // copy entries
 791                         JarEntry entry;
 792                         entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 793                                 if (entry.isDirectory())
 794                                         continue entries;
 795                                 if (entry.getName().endsWith(".RSA") || entry.getName().endsWith(".SF"))
 796                                         continue entries;
 797                                 if (entry.getName().endsWith("module-info.class")) // skip Java 9 module info
 798                                         continue entries;
 799                                 if (entry.getName().startsWith("META-INF/versions/")) // skip multi-version
 800                                         continue entries;
 801                                 // skip file system providers as they cause issues with native image
 802                                 if (entry.getName().startsWith("META-INF/services/java.nio.file.spi.FileSystemProvider"))
 803                                         continue entries;
 804                                 if (entry.getName().startsWith("OSGI-OPT/src/")) // skip embedded sources
 805                                         continue entries;
 806                                 Path target = targetBundleDir.resolve(entry.getName());
 807                                 Files.createDirectories(target.getParent());
 808                                 Files.copy(jarIn, target);
 809
 810                                 // native libraries
 811                                 if (isNative && (entry.getName().endsWith(".so") || entry.getName().endsWith(".dll")
 812                                                 || entry.getName().endsWith(".jnilib"))) {
 813                                         Path categoryDir = targetBundleDir.getParent();
 814 //                                      String[] segments = categoryDir.getFileName().toString().split("\\.");
 815 //                                      String arch = segments[segments.length - 1];
 816 //                                      String os = segments[segments.length - 2];
 817                                         boolean copyDll = false;
 818                                         Path targetDll = categoryDir.resolve(targetBundleDir.relativize(target));
 819                                         if (nameVersion.getName().equals("com.sun.jna")) {
 820                                                 if (arch.equals("x86_64"))
 821                                                         arch = "x86-64";
 822                                                 if (os.equals("macosx"))
 823                                                         os = "darwin";
 824                                                 if (target.getParent().getFileName().toString().equals(os + "-" + arch)) {
 825                                                         copyDll = true;
 826                                                 }
 827                                                 targetDll = categoryDir.resolve(target.getFileName());
 828                                         } else {
 829                                                 copyDll = true;
 830                                         }
 831                                         if (copyDll) {
 832                                                 Files.createDirectories(targetDll.getParent());
 833                                                 if (Files.exists(targetDll))
 834                                                         Files.delete(targetDll);
 835                                                 Files.copy(target, targetDll);
 836                                         }
 837                                         Files.delete(target);
 838                                 }
 839                                 logger.log(Level.TRACE, () -> "Copied " + target);
 840                         }
 841
 842                         // copy MANIFEST
 843                         Path manifestPath = targetBundleDir.resolve("META-INF/MANIFEST.MF");
 844                         Files.createDirectories(manifestPath.getParent());
 845
 846                         if (isSingleton && entries.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 847                                 entries.put(BUNDLE_SYMBOLICNAME.toString(),
 848                                                 entries.get(BUNDLE_SYMBOLICNAME.toString()) + ";singleton:=true");
 849                         }
 850
 851                         for (String key : entries.keySet()) {
 852                                 String value = entries.get(key);
 853                                 Object previousValue = manifest.getMainAttributes().putValue(key, value);
 854                                 if (previousValue != null && !previousValue.equals(value)) {
 855                                         if (ManifestConstants.IMPORT_PACKAGE.toString().equals(key)
 856                                                         || ManifestConstants.EXPORT_PACKAGE.toString().equals(key)
 857                                                         || ManifestConstants.BUNDLE_LICENSE.toString().equals(key))
 858                                                 logger.log(Level.TRACE, file.getFileName() + ": " + key + " was modified");
 859                                         else
 860                                                 logger.log(Level.WARNING, file.getFileName() + ": " + key + " was " + previousValue
 861                                                                 + ", overridden with " + value);
 862                                 }
 863
 864                                 // hack to remove unresolvable
 865                                 if (key.equals("Provide-Capability") || key.equals("Require-Capability"))
 866                                         if (nameVersion.getName().equals("osgi.core") || nameVersion.getName().equals("osgi.cmpn")) {
 867                                                 manifest.getMainAttributes().remove(key);
 868                                         }
 869                         }
 870                         try (OutputStream out = Files.newOutputStream(manifestPath)) {
 871                                 manifest.write(out);
 872                         }
 873                 }
 874                 return targetBundleDir;
 875         }
 876
 877         /*
 878          * UTILITIES
 879          */
 880
 881         /** Recursively deletes a directory. */
 882         private static void deleteDirectory(Path path) throws IOException {
 883                 if (!Files.exists(path))
 884                         return;
 885                 Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
 886                         @Override
 887                         public FileVisitResult postVisitDirectory(Path directory, IOException e) throws IOException {
 888                                 if (e != null)
 889                                         throw e;
 890                                 Files.delete(directory);
 891                                 return FileVisitResult.CONTINUE;
 892                         }
 893
 894                         @Override
 895                         public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 896                                 Files.delete(file);
 897                                 return FileVisitResult.CONTINUE;
 898                         }
 899                 });
 900         }
 901
 902         /** Extract name/version from a MANIFEST. */
 903         protected NameVersion nameVersionFromManifest(Manifest manifest) {
 904                 Attributes attrs = manifest.getMainAttributes();
 905                 // symbolic name
 906                 String symbolicName = attrs.getValue(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 907                 if (symbolicName == null)
 908                         return null;
 909                 // make sure there is no directive
 910                 symbolicName = symbolicName.split(";")[0];
 911
 912                 String version = attrs.getValue(ManifestConstants.BUNDLE_VERSION.toString());
 913                 return new NameVersion(symbolicName, version);
 914         }
 915
 916         /** Try to download from an URI. */
 917         protected Path tryDownloadArchive(String uri, Path dir) throws IOException {
 918                 // find mirror
 919                 List<String> urlBases = null;
 920                 String uriPrefix = null;
 921                 uriPrefixes: for (String uriPref : mirrors.keySet()) {
 922                         if (uri.startsWith(uriPref)) {
 923                                 if (mirrors.get(uriPref).size() > 0) {
 924                                         urlBases = mirrors.get(uriPref);
 925                                         uriPrefix = uriPref;
 926                                         break uriPrefixes;
 927                                 }
 928                         }
 929                 }
 930                 if (urlBases == null)
 931                         try {
 932                                 return downloadArchive(new URL(uri), dir);
 933                         } catch (FileNotFoundException e) {
 934                                 throw new FileNotFoundException("Cannot find " + uri);
 935                         }
 936
 937                 // try to download
 938                 for (String urlBase : urlBases) {
 939                         String relativePath = uri.substring(uriPrefix.length());
 940                         URL url = new URL(urlBase + relativePath);
 941                         try {
 942                                 return downloadArchive(url, dir);
 943                         } catch (FileNotFoundException e) {
 944                                 logger.log(Level.WARNING, "Cannot download " + url + ", trying another mirror");
 945                         }
 946                 }
 947                 throw new FileNotFoundException("Cannot find " + uri);
 948         }
 949
 950         /**
 951          * Effectively download. Synchronised in order to avoid downloading twice in
 952          * parallel.
 953          */
 954         protected synchronized Path downloadArchive(URL url, Path dir) throws IOException {
 955                 return download(url, dir, (String) null);
 956         }
 957
 958         /** Effectively download. */
 959         protected Path download(URL url, Path dir, String name) throws IOException {
 960
 961                 Path dest;
 962                 if (name == null) {
 963                         // We use also use parent directory in case the archive itself has a fixed name
 964                         String[] segments = url.getPath().split("/");
 965                         name = segments.length > 1 ? segments[segments.length - 2] + '-' + segments[segments.length - 1]
 966                                         : segments[segments.length - 1];
 967                 }
 968
 969                 dest = dir.resolve(name);
 970                 if (Files.exists(dest)) {
 971                         logger.log(Level.TRACE, () -> "File " + dest + " already exists for " + url + ", not downloading again");
 972                         return dest;
 973                 } else {
 974                         Files.createDirectories(dest.getParent());
 975                 }
 976
 977                 try (InputStream in = url.openStream()) {
 978                         Files.copy(in, dest);
 979                         logger.log(Level.DEBUG, () -> "Downloaded " + dest + " from " + url);
 980                 }
 981                 return dest;
 982         }
 983
 984         /** Create a JAR file from a directory. */
 985         protected Path createJar(Path bundleDir) throws IOException {
 986                 // Create the jar
 987                 Path jarPath = bundleDir.getParent().resolve(bundleDir.getFileName() + ".jar");
 988                 Path manifestPath = bundleDir.resolve("META-INF/MANIFEST.MF");
 989                 Manifest manifest;
 990                 try (InputStream in = Files.newInputStream(manifestPath)) {
 991                         manifest = new Manifest(in);
 992                 }
 993                 try (JarOutputStream jarOut = new JarOutputStream(Files.newOutputStream(jarPath), manifest)) {
 994                         jarOut.setLevel(Deflater.DEFAULT_COMPRESSION);
 995                         Files.walkFileTree(bundleDir, new SimpleFileVisitor<Path>() {
 996
 997                                 @Override
 998                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 999                                         if (file.getFileName().toString().equals("MANIFEST.MF"))
1000                                                 return super.visitFile(file, attrs);
1001                                         JarEntry entry = new JarEntry(
1002                                                         bundleDir.relativize(file).toString().replace(File.separatorChar, '/'));
1003                                         jarOut.putNextEntry(entry);
1004                                         Files.copy(file, jarOut);
1005                                         return super.visitFile(file, attrs);
1006                                 }
1007
1008                         });
1009                 }
1010                 deleteDirectory(bundleDir);
1011
1012                 if (sourceBundles) {
1013                         Path bundleCategoryDir = bundleDir.getParent();
1014                         Path sourceDir = bundleCategoryDir.resolve(bundleDir.toString() + ".src");
1015                         if (!Files.exists(sourceDir)) {
1016                                 logger.log(WARNING, sourceDir + " does not exist, skipping...");
1017                                 return jarPath;
1018
1019                         }
1020
1021                         Path relPath = a2Base.relativize(bundleCategoryDir);
1022                         Path srcCategoryDir = a2SrcBase.resolve(relPath);
1023                         Path srcJarP = srcCategoryDir.resolve(sourceDir.getFileName() + ".jar");
1024                         Files.createDirectories(srcJarP.getParent());
1025
1026                         String bundleSymbolicName = manifest.getMainAttributes().getValue("Bundle-SymbolicName").toString();
1027                         // in case there are additional directives
1028                         bundleSymbolicName = bundleSymbolicName.split(";")[0];
1029                         Manifest srcManifest = new Manifest();
1030                         srcManifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
1031                         srcManifest.getMainAttributes().putValue("Bundle-SymbolicName", bundleSymbolicName + ".src");
1032                         srcManifest.getMainAttributes().putValue("Bundle-Version",
1033                                         manifest.getMainAttributes().getValue("Bundle-Version").toString());
1034                         srcManifest.getMainAttributes().putValue("Eclipse-SourceBundle",
1035                                         bundleSymbolicName + ";version=\"" + manifest.getMainAttributes().getValue("Bundle-Version"));
1036
1037                         try (JarOutputStream srcJarOut = new JarOutputStream(Files.newOutputStream(srcJarP), srcManifest)) {
1038                                 srcJarOut.setLevel(Deflater.BEST_COMPRESSION);
1039                                 Files.walkFileTree(sourceDir, new SimpleFileVisitor<Path>() {
1040
1041                                         @Override
1042                                         public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
1043                                                 if (file.getFileName().toString().equals("MANIFEST.MF"))
1044                                                         return super.visitFile(file, attrs);
1045                                                 JarEntry entry = new JarEntry(
1046                                                                 sourceDir.relativize(file).toString().replace(File.separatorChar, '/'));
1047                                                 srcJarOut.putNextEntry(entry);
1048                                                 Files.copy(file, srcJarOut);
1049                                                 return super.visitFile(file, attrs);
1050                                         }
1051
1052                                 });
1053                         }
1054                         deleteDirectory(sourceDir);
1055                 }
1056
1057                 return jarPath;
1058         }
1059
1060         enum ManifestConstants {
1061                 // OSGi
1062                 BUNDLE_SYMBOLICNAME("Bundle-SymbolicName"), //
1063                 BUNDLE_VERSION("Bundle-Version"), //
1064                 BUNDLE_LICENSE("Bundle-License"), //
1065                 EXPORT_PACKAGE("Export-Package"), //
1066                 IMPORT_PACKAGE("Import-Package"), //
1067                 // JAVA
1068                 AUTOMATIC_MODULE_NAME("Automatic-Module-Name"), //
1069                 // SLC
1070                 SLC_CATEGORY("SLC-Category"), //
1071                 SLC_ORIGIN_M2("SLC-Origin-M2"), //
1072                 SLC_ORIGIN_M2_MERGE("SLC-Origin-M2-Merge"), //
1073                 SLC_ORIGIN_M2_REPO("SLC-Origin-M2-Repo"), //
1074                 SLC_ORIGIN_MANIFEST_NOT_MODIFIED("SLC-Origin-ManifestNotModified"), //
1075                 SLC_ORIGIN_URI("SLC-Origin-URI"),//
1076                 ;
1077
1078                 final String value;
1079
1080                 private ManifestConstants(String value) {
1081                         this.value = value;
1082                 }
1083
1084                 @Override
1085                 public String toString() {
1086                         return value;
1087                 }
1088
1089         }
1090
1091 }
1092
1093 /** Simple representation of an M2 artifact. */
1094 class M2Artifact extends CategoryNameVersion {
1095         private String classifier;
1096
1097         M2Artifact(String m2coordinates) {
1098                 this(m2coordinates, null);
1099         }
1100
1101         M2Artifact(String m2coordinates, String classifier) {
1102                 String[] parts = m2coordinates.split(":");
1103                 setCategory(parts[0]);
1104                 setName(parts[1]);
1105                 if (parts.length > 2) {
1106                         setVersion(parts[2]);
1107                 }
1108                 this.classifier = classifier;
1109         }
1110
1111         String getGroupId() {
1112                 return super.getCategory();
1113         }
1114
1115         String getArtifactId() {
1116                 return super.getName();
1117         }
1118
1119         String toM2Coordinates() {
1120                 return getCategory() + ":" + getName() + (getVersion() != null ? ":" + getVersion() : "");
1121         }
1122
1123         String getClassifier() {
1124                 return classifier != null ? classifier : "";
1125         }
1126
1127         String getExtension() {
1128                 return "jar";
1129         }
1130 }
1131
1132 /** Utilities around Maven (conventions based). */
1133 class M2ConventionsUtils {
1134         final static String MAVEN_CENTRAL_BASE_URL = "https://repo1.maven.org/maven2/";
1135
1136         /** The file name of this artifact when stored */
1137         static String artifactFileName(M2Artifact artifact) {
1138                 return artifact.getArtifactId() + '-' + artifact.getVersion()
1139                                 + (artifact.getClassifier().equals("") ? "" : '-' + artifact.getClassifier()) + '.'
1140                                 + artifact.getExtension();
1141         }
1142
1143         /** Absolute path to the file */
1144         static String artifactPath(String artifactBasePath, M2Artifact artifact) {
1145                 return artifactParentPath(artifactBasePath, artifact) + '/' + artifactFileName(artifact);
1146         }
1147
1148         /** Absolute path to the file */
1149         static String artifactUrl(String repoUrl, M2Artifact artifact) {
1150                 if (repoUrl.endsWith("/"))
1151                         return repoUrl + artifactPath("/", artifact).substring(1);
1152                 else
1153                         return repoUrl + artifactPath("/", artifact);
1154         }
1155
1156         /** Absolute path to the file */
1157         static URL mavenRepoUrl(String repoBase, M2Artifact artifact) {
1158                 String url = artifactUrl(repoBase == null ? MAVEN_CENTRAL_BASE_URL : repoBase, artifact);
1159                 try {
1160                         return new URL(url);
1161                 } catch (MalformedURLException e) {
1162                         // it should not happen
1163                         throw new IllegalStateException(e);
1164                 }
1165         }
1166
1167         /** Absolute path to the directories where the files will be stored */
1168         static String artifactParentPath(String artifactBasePath, M2Artifact artifact) {
1169                 return artifactBasePath + (artifactBasePath.endsWith("/") ? "" : "/") + artifactParentPath(artifact);
1170         }
1171
1172         /** Relative path to the directories where the files will be stored */
1173         static String artifactParentPath(M2Artifact artifact) {
1174                 return artifact.getGroupId().replace('.', '/') + '/' + artifact.getArtifactId() + '/' + artifact.getVersion();
1175         }
1176
1177         /** Singleton */
1178         private M2ConventionsUtils() {
1179         }
1180 }
1181
1182 class CategoryNameVersion extends NameVersion {
1183         private String category;
1184
1185         CategoryNameVersion() {
1186         }
1187
1188         CategoryNameVersion(String category, String name, String version) {
1189                 super(name, version);
1190                 this.category = category;
1191         }
1192
1193         CategoryNameVersion(String category, NameVersion nameVersion) {
1194                 super(nameVersion);
1195                 this.category = category;
1196         }
1197
1198         String getCategory() {
1199                 return category;
1200         }
1201
1202         void setCategory(String category) {
1203                 this.category = category;
1204         }
1205
1206         @Override
1207         public String toString() {
1208                 return category + ":" + super.toString();
1209         }
1210
1211 }
1212
1213 class NameVersion implements Comparable<NameVersion> {
1214         private String name;
1215         private String version;
1216
1217         NameVersion() {
1218         }
1219
1220         /** Interprets string in OSGi-like format my.module.name;version=0.0.0 */
1221         NameVersion(String nameVersion) {
1222                 int index = nameVersion.indexOf(";version=");
1223                 if (index < 0) {
1224                         setName(nameVersion);
1225                         setVersion(null);
1226                 } else {
1227                         setName(nameVersion.substring(0, index));
1228                         setVersion(nameVersion.substring(index + ";version=".length()));
1229                 }
1230         }
1231
1232         NameVersion(String name, String version) {
1233                 this.name = name;
1234                 this.version = version;
1235         }
1236
1237         NameVersion(NameVersion nameVersion) {
1238                 this.name = nameVersion.getName();
1239                 this.version = nameVersion.getVersion();
1240         }
1241
1242         String getName() {
1243                 return name;
1244         }
1245
1246         void setName(String name) {
1247                 this.name = name;
1248         }
1249
1250         String getVersion() {
1251                 return version;
1252         }
1253
1254         void setVersion(String version) {
1255                 this.version = version;
1256         }
1257
1258         String getBranch() {
1259                 String[] parts = getVersion().split("\\.");
1260                 if (parts.length < 2)
1261                         throw new IllegalStateException("Version " + getVersion() + " cannot be interpreted as branch.");
1262                 return parts[0] + "." + parts[1];
1263         }
1264
1265         @Override
1266         public boolean equals(Object obj) {
1267                 if (obj instanceof NameVersion) {
1268                         NameVersion nameVersion = (NameVersion) obj;
1269                         return name.equals(nameVersion.getName()) && version.equals(nameVersion.getVersion());
1270                 } else
1271                         return false;
1272         }
1273
1274         @Override
1275         public int hashCode() {
1276                 return name.hashCode();
1277         }
1278
1279         @Override
1280         public String toString() {
1281                 return name + ":" + version;
1282         }
1283
1284         public int compareTo(NameVersion o) {
1285                 if (o.getName().equals(name))
1286                         return version.compareTo(o.getVersion());
1287                 else
1288                         return name.compareTo(o.getName());
1289         }
1290 }