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 mavenBase;
  85
  86         private Path a2Base;
  87         private Path a2SrcBase;
  88         private Path a2LibBase;
  89         private Path descriptorsBase;
  90
  91         private Properties uris = new Properties();
  92
  93         /** key is URI prefix, value list of base URLs */
  94         private Map<String, List<String>> mirrors = new HashMap<String, List<String>>();
  95
  96         private final boolean sourceBundles;
  97
  98         public Repackage(Path a2Base, Path descriptorsBase) {
  99                 sourceBundles = Boolean.parseBoolean(System.getenv(ENV_BUILD_SOURCE_BUNDLES));
 100                 if (sourceBundles)
 101                         logger.log(Level.INFO, "Sources will be packaged separately");
 102
 103                 Objects.requireNonNull(a2Base);
 104                 Objects.requireNonNull(descriptorsBase);
 105                 this.originBase = Paths.get(System.getProperty("user.home"), ".cache", "argeo/build/origin");
 106                 this.mavenBase = Paths.get(System.getProperty("user.home"), ".m2", "repository");
 107
 108                 // TODO define and use a build base
 109                 this.a2Base = a2Base;
 110                 this.a2SrcBase = a2Base.getParent().resolve(a2Base.getFileName() + ".src");
 111                 this.a2LibBase = a2Base.resolve("lib");
 112                 this.descriptorsBase = descriptorsBase;
 113                 if (!Files.exists(this.descriptorsBase))
 114                         throw new IllegalArgumentException(this.descriptorsBase + " does not exist");
 115
 116                 // URIs mapping
 117                 Path urisPath = this.descriptorsBase.resolve("uris.properties");
 118                 if (Files.exists(urisPath)) {
 119                         try (InputStream in = Files.newInputStream(urisPath)) {
 120                                 uris.load(in);
 121                         } catch (IOException e) {
 122                                 throw new IllegalStateException("Cannot load " + urisPath, e);
 123                         }
 124                 }
 125
 126                 // Eclipse mirrors
 127                 Path eclipseMirrorsPath = this.descriptorsBase.resolve("eclipse.mirrors.txt");
 128                 List<String> eclipseMirrors = new ArrayList<>();
 129                 if (Files.exists(eclipseMirrorsPath)) {
 130                         try {
 131                                 eclipseMirrors = Files.readAllLines(eclipseMirrorsPath, StandardCharsets.UTF_8);
 132                         } catch (IOException e) {
 133                                 throw new IllegalStateException("Cannot load " + eclipseMirrorsPath, e);
 134                         }
 135                         for (Iterator<String> it = eclipseMirrors.iterator(); it.hasNext();) {
 136                                 String value = it.next();
 137                                 if (value.strip().equals(""))
 138                                         it.remove();
 139                         }
 140                 }
 141
 142                 mirrors.put("http://www.eclipse.org/downloads", eclipseMirrors);
 143         }
 144
 145         /*
 146          * MAVEN ORIGIN
 147          */
 148
 149         /** Process a whole category/group id. */
 150         public void processCategory(Path categoryRelativePath) {
 151                 try {
 152                         Path targetCategoryBase = descriptorsBase.resolve(categoryRelativePath);
 153                         DirectoryStream<Path> bnds = Files.newDirectoryStream(targetCategoryBase,
 154                                         (p) -> p.getFileName().toString().endsWith(".bnd") && !p.getFileName().toString().equals(COMMON_BND)
 155                                                         && !p.getFileName().toString().equals(MERGE_BND));
 156                         for (Path p : bnds) {
 157                                 processSingleM2ArtifactDistributionUnit(p);
 158                         }
 159
 160                         DirectoryStream<Path> dus = Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p));
 161                         for (Path duDir : dus) {
 162                                 if (duDir.getFileName().toString().startsWith("eclipse-")) {
 163                                         processEclipseArchive(duDir);
 164                                 } else {
 165                                         processM2BasedDistributionUnit(duDir);
 166                                 }
 167                         }
 168                 } catch (IOException e) {
 169                         throw new RuntimeException("Cannot process category " + categoryRelativePath, e);
 170                 }
 171         }
 172
 173         /** Process a standalone Maven artifact. */
 174         public void processSingleM2ArtifactDistributionUnit(Path bndFile) {
 175                 try {
 176 //                      String category = bndFile.getParent().getFileName().toString();
 177                         Path categoryRelativePath = descriptorsBase.relativize(bndFile.getParent());
 178                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 179
 180                         Properties fileProps = new Properties();
 181                         try (InputStream in = Files.newInputStream(bndFile)) {
 182                                 fileProps.load(in);
 183                         }
 184                         String repoStr = fileProps.containsKey(SLC_ORIGIN_M2_REPO.toString())
 185                                         ? fileProps.getProperty(SLC_ORIGIN_M2_REPO.toString())
 186                                         : null;
 187
 188                         if (!fileProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 189                                 // use file name as symbolic name
 190                                 String symbolicName = bndFile.getFileName().toString();
 191                                 symbolicName = symbolicName.substring(0, symbolicName.length() - ".bnd".length());
 192                                 fileProps.put(BUNDLE_SYMBOLICNAME.toString(), symbolicName);
 193                         }
 194
 195                         String m2Coordinates = fileProps.getProperty(SLC_ORIGIN_M2.toString());
 196                         if (m2Coordinates == null)
 197                                 throw new IllegalArgumentException("No M2 coordinates available for " + bndFile);
 198                         M2Artifact artifact = new M2Artifact(m2Coordinates);
 199                         URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 200                         Path downloaded = downloadMaven(url, artifact);
 201
 202                         Path targetBundleDir = processBndJar(downloaded, targetCategoryBase, fileProps, artifact);
 203
 204                         downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 205
 206                         createJar(targetBundleDir);
 207                 } catch (Exception e) {
 208                         throw new RuntimeException("Cannot process " + bndFile, e);
 209                 }
 210         }
 211
 212         /** Process multiple Maven artifacts. */
 213         public void processM2BasedDistributionUnit(Path duDir) {
 214                 try {
 215                         Path categoryRelativePath = descriptorsBase.relativize(duDir.getParent());
 216                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 217
 218                         // merge
 219                         Path mergeBnd = duDir.resolve(MERGE_BND);
 220                         if (Files.exists(mergeBnd)) {
 221                                 mergeM2Artifacts(mergeBnd);
 222                         }
 223
 224                         Path commonBnd = duDir.resolve(COMMON_BND);
 225                         if (!Files.exists(commonBnd)) {
 226                                 return;
 227                         }
 228                         Properties commonProps = new Properties();
 229                         try (InputStream in = Files.newInputStream(commonBnd)) {
 230                                 commonProps.load(in);
 231                         }
 232
 233                         String m2Version = commonProps.getProperty(SLC_ORIGIN_M2.toString());
 234                         if (m2Version == null) {
 235                                 logger.log(Level.WARNING, "Ignoring " + duDir + " as it is not an M2-based distribution unit");
 236                                 return;// ignore, this is probably an Eclipse archive
 237                         }
 238                         if (!m2Version.startsWith(":")) {
 239                                 throw new IllegalStateException("Only the M2 version can be specified: " + m2Version);
 240                         }
 241                         m2Version = m2Version.substring(1);
 242
 243                         DirectoryStream<Path> ds = Files.newDirectoryStream(duDir,
 244                                         (p) -> p.getFileName().toString().endsWith(".bnd") && !p.getFileName().toString().equals(COMMON_BND)
 245                                                         && !p.getFileName().toString().equals(MERGE_BND));
 246                         for (Path p : ds) {
 247                                 Properties fileProps = new Properties();
 248                                 try (InputStream in = Files.newInputStream(p)) {
 249                                         fileProps.load(in);
 250                                 }
 251                                 String m2Coordinates = fileProps.getProperty(SLC_ORIGIN_M2.toString());
 252                                 M2Artifact artifact = new M2Artifact(m2Coordinates);
 253
 254                                 artifact.setVersion(m2Version);
 255
 256                                 // prepare manifest entries
 257                                 Properties mergeProps = new Properties();
 258                                 mergeProps.putAll(commonProps);
 259
 260                                 fileEntries: for (Object key : fileProps.keySet()) {
 261                                         if (ManifestConstants.SLC_ORIGIN_M2.toString().equals(key))
 262                                                 continue fileEntries;
 263                                         String value = fileProps.getProperty(key.toString());
 264                                         Object previousValue = mergeProps.put(key.toString(), value);
 265                                         if (previousValue != null) {
 266                                                 logger.log(Level.WARNING,
 267                                                                 commonBnd + ": " + key + " was " + previousValue + ", overridden with " + value);
 268                                         }
 269                                 }
 270                                 mergeProps.put(ManifestConstants.SLC_ORIGIN_M2.toString(), artifact.toM2Coordinates());
 271                                 if (!mergeProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 272                                         // use file name as symbolic name
 273                                         String symbolicName = p.getFileName().toString();
 274                                         symbolicName = symbolicName.substring(0, symbolicName.length() - ".bnd".length());
 275                                         mergeProps.put(BUNDLE_SYMBOLICNAME.toString(), symbolicName);
 276                                 }
 277
 278                                 String repoStr = mergeProps.containsKey(SLC_ORIGIN_M2_REPO.toString())
 279                                                 ? mergeProps.getProperty(SLC_ORIGIN_M2_REPO.toString())
 280                                                 : null;
 281
 282                                 // download
 283                                 URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 284                                 Path downloaded = downloadMaven(url, artifact);
 285
 286                                 Path targetBundleDir = processBndJar(downloaded, targetCategoryBase, mergeProps, artifact);
 287 //                              logger.log(Level.DEBUG, () -> "Processed " + downloaded);
 288
 289                                 // sources
 290                                 downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 291
 292                                 createJar(targetBundleDir);
 293                         }
 294                 } catch (IOException e) {
 295                         throw new RuntimeException("Cannot process " + duDir, e);
 296                 }
 297
 298         }
 299
 300         /** Merge multiple Maven artifacts. */
 301         protected void mergeM2Artifacts(Path mergeBnd) throws IOException {
 302                 Path duDir = mergeBnd.getParent();
 303                 String category = duDir.getParent().getFileName().toString();
 304                 Path targetCategoryBase = a2Base.resolve(category);
 305
 306                 Properties mergeProps = new Properties();
 307                 try (InputStream in = Files.newInputStream(mergeBnd)) {
 308                         mergeProps.load(in);
 309                 }
 310
 311                 // Version
 312                 String m2Version = mergeProps.getProperty(SLC_ORIGIN_M2.toString());
 313                 if (m2Version == null) {
 314                         logger.log(Level.WARNING, "Ignoring " + duDir + " as it is not an M2-based distribution unit");
 315                         return;// ignore, this is probably an Eclipse archive
 316                 }
 317                 if (!m2Version.startsWith(":")) {
 318                         throw new IllegalStateException("Only the M2 version can be specified: " + m2Version);
 319                 }
 320                 m2Version = m2Version.substring(1);
 321                 mergeProps.put(ManifestConstants.BUNDLE_VERSION.toString(), m2Version);
 322
 323                 String artifactsStr = mergeProps.getProperty(ManifestConstants.SLC_ORIGIN_M2_MERGE.toString());
 324                 if (artifactsStr == null)
 325                         throw new IllegalArgumentException(
 326                                         mergeBnd + ": " + ManifestConstants.SLC_ORIGIN_M2_MERGE + " must be set");
 327
 328                 String repoStr = mergeProps.containsKey(SLC_ORIGIN_M2_REPO.toString())
 329                                 ? mergeProps.getProperty(SLC_ORIGIN_M2_REPO.toString())
 330                                 : null;
 331
 332                 String bundleSymbolicName = mergeProps.getProperty(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 333                 if (bundleSymbolicName == null)
 334                         throw new IllegalArgumentException("Bundle-SymbolicName must be set in " + mergeBnd);
 335                 CategoryNameVersion nameVersion = new M2Artifact(category + ":" + bundleSymbolicName + ":" + m2Version);
 336
 337                 Path targetBundleDir = targetCategoryBase.resolve(bundleSymbolicName + "." + nameVersion.getBranch());
 338                 if (Files.exists(targetBundleDir)) {
 339                         logger.log(WARNING, targetBundleDir + " exists, deleting it...");
 340                         deleteDirectory(targetBundleDir);
 341                 } else {
 342                         Files.createDirectories(targetBundleDir);
 343                 }
 344
 345                 String[] artifacts = artifactsStr.split(",");
 346                 artifacts: for (String str : artifacts) {
 347                         String m2Coordinates = str.trim();
 348                         if ("".equals(m2Coordinates))
 349                                 continue artifacts;
 350                         M2Artifact artifact = new M2Artifact(m2Coordinates.trim());
 351                         if (artifact.getVersion() == null)
 352                                 artifact.setVersion(m2Version);
 353                         URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 354                         Path downloaded = downloadMaven(url, artifact);
 355                         JarEntry entry;
 356                         try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(downloaded), false)) {
 357                                 entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 358                                         if (entry.isDirectory())
 359                                                 continue entries;
 360                                         else if (entry.getName().endsWith(".RSA") || entry.getName().endsWith(".SF"))
 361                                                 continue entries;
 362                                         else if (entry.getName().startsWith("META-INF/versions/"))
 363                                                 continue entries;
 364                                         else if (entry.getName().startsWith("META-INF/maven/"))
 365                                                 continue entries;
 366                                         else if (entry.getName().equals("module-info.class"))
 367                                                 continue entries;
 368                                         else if (entry.getName().equals("META-INF/NOTICE"))
 369                                                 continue entries;
 370                                         else if (entry.getName().equals("META-INF/NOTICE.txt"))
 371                                                 continue entries;
 372                                         else if (entry.getName().equals("META-INF/LICENSE"))
 373                                                 continue entries;
 374                                         else if (entry.getName().equals("META-INF/LICENSE.md"))
 375                                                 continue entries;
 376                                         else if (entry.getName().equals("META-INF/LICENSE-notice.md"))
 377                                                 continue entries;
 378                                         else if (entry.getName().equals("META-INF/DEPENDENCIES"))
 379                                                 continue entries;
 380                                         if (entry.getName().startsWith(".cache/")) // Apache SSHD
 381                                                 continue entries;
 382                                         Path target = targetBundleDir.resolve(entry.getName());
 383                                         Files.createDirectories(target.getParent());
 384                                         if (!Files.exists(target)) {
 385                                                 Files.copy(jarIn, target);
 386                                         } else {
 387                                                 if (entry.getName().startsWith("META-INF/services/")) {
 388                                                         try (OutputStream out = Files.newOutputStream(target, StandardOpenOption.APPEND)) {
 389                                                                 out.write("\n".getBytes());
 390                                                                 jarIn.transferTo(out);
 391                                                                 logger.log(Level.WARNING, artifact.getArtifactId() + " - Appended " + entry.getName());
 392                                                         }
 393                                                 } else if (entry.getName().startsWith("org/apache/batik/")) {
 394                                                         logger.log(Level.WARNING, "Skip " + entry.getName());
 395                                                         continue entries;
 396                                                 } else {
 397                                                         throw new IllegalStateException("File " + target + " from " + artifact + " already exists");
 398                                                 }
 399                                         }
 400                                         logger.log(Level.TRACE, () -> "Copied " + target);
 401                                 }
 402
 403                         }
 404                         downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 405                 }
 406
 407                 // additional service files
 408                 Path servicesDir = duDir.resolve("services");
 409                 if (Files.exists(servicesDir)) {
 410                         for (Path p : Files.newDirectoryStream(servicesDir)) {
 411                                 Path target = targetBundleDir.resolve("META-INF/services/").resolve(p.getFileName());
 412                                 try (InputStream in = Files.newInputStream(p);
 413                                                 OutputStream out = Files.newOutputStream(target, StandardOpenOption.APPEND);) {
 414                                         out.write("\n".getBytes());
 415                                         in.transferTo(out);
 416                                         logger.log(Level.WARNING, "Appended " + p);
 417                                 }
 418                         }
 419                 }
 420
 421                 Map<String, String> entries = new TreeMap<>();
 422                 try (Analyzer bndAnalyzer = new Analyzer()) {
 423                         bndAnalyzer.setProperties(mergeProps);
 424                         Jar jar = new Jar(targetBundleDir.toFile());
 425                         bndAnalyzer.setJar(jar);
 426                         Manifest manifest = bndAnalyzer.calcManifest();
 427
 428                         keys: for (Object key : manifest.getMainAttributes().keySet()) {
 429                                 Object value = manifest.getMainAttributes().get(key);
 430
 431                                 switch (key.toString()) {
 432                                 case "Tool":
 433                                 case "Bnd-LastModified":
 434                                 case "Created-By":
 435                                         continue keys;
 436                                 }
 437                                 if ("Require-Capability".equals(key.toString())
 438                                                 && value.toString().equals("osgi.ee;filter:=\"(&(osgi.ee=JavaSE)(version=1.1))\""))
 439                                         continue keys;// hack for very old classes
 440                                 entries.put(key.toString(), value.toString());
 441                                 // logger.log(DEBUG, () -> key + "=" + value);
 442
 443                         }
 444                 } catch (Exception e) {
 445                         throw new RuntimeException("Cannot process " + mergeBnd, e);
 446                 }
 447
 448                 Manifest manifest = new Manifest();
 449                 Path manifestPath = targetBundleDir.resolve("META-INF/MANIFEST.MF");
 450                 Files.createDirectories(manifestPath.getParent());
 451                 for (String key : entries.keySet()) {
 452                         String value = entries.get(key);
 453                         manifest.getMainAttributes().putValue(key, value);
 454                 }
 455
 456                 try (OutputStream out = Files.newOutputStream(manifestPath)) {
 457                         manifest.write(out);
 458                 }
 459                 createJar(targetBundleDir);
 460         }
 461
 462         /** Generate MANIFEST using BND. */
 463         protected Path processBndJar(Path downloaded, Path targetCategoryBase, Properties fileProps, M2Artifact artifact) {
 464
 465                 try {
 466                         Map<String, String> additionalEntries = new TreeMap<>();
 467                         boolean doNotModify = Boolean.parseBoolean(fileProps
 468                                         .getOrDefault(ManifestConstants.SLC_ORIGIN_MANIFEST_NOT_MODIFIED.toString(), "false").toString());
 469
 470                         // we always force the symbolic name
 471
 472                         if (doNotModify) {
 473                                 fileEntries: for (Object key : fileProps.keySet()) {
 474                                         if (ManifestConstants.SLC_ORIGIN_M2.toString().equals(key))
 475                                                 continue fileEntries;
 476                                         String value = fileProps.getProperty(key.toString());
 477                                         additionalEntries.put(key.toString(), value);
 478                                 }
 479                         } else {
 480                                 if (artifact != null) {
 481                                         if (!fileProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 482                                                 fileProps.put(BUNDLE_SYMBOLICNAME.toString(), artifact.getName());
 483                                         }
 484                                         if (!fileProps.containsKey(BUNDLE_VERSION.toString())) {
 485                                                 fileProps.put(BUNDLE_VERSION.toString(), artifact.getVersion());
 486                                         }
 487                                 }
 488
 489                                 if (!fileProps.containsKey(EXPORT_PACKAGE.toString())) {
 490                                         fileProps.put(EXPORT_PACKAGE.toString(),
 491                                                         "*;version=\"" + fileProps.getProperty(BUNDLE_VERSION.toString()) + "\"");
 492                                 }
 493
 494                                 try (Analyzer bndAnalyzer = new Analyzer()) {
 495                                         bndAnalyzer.setProperties(fileProps);
 496                                         Jar jar = new Jar(downloaded.toFile());
 497                                         bndAnalyzer.setJar(jar);
 498                                         Manifest manifest = bndAnalyzer.calcManifest();
 499
 500                                         keys: for (Object key : manifest.getMainAttributes().keySet()) {
 501                                                 Object value = manifest.getMainAttributes().get(key);
 502
 503                                                 switch (key.toString()) {
 504                                                 case "Tool":
 505                                                 case "Bnd-LastModified":
 506                                                 case "Created-By":
 507                                                         continue keys;
 508                                                 }
 509                                                 if ("Require-Capability".equals(key.toString())
 510                                                                 && value.toString().equals("osgi.ee;filter:=\"(&(osgi.ee=JavaSE)(version=1.1))\""))
 511                                                         continue keys;// hack for very old classes
 512                                                 additionalEntries.put(key.toString(), value.toString());
 513                                                 // logger.log(DEBUG, () -> key + "=" + value);
 514
 515                                         }
 516                                 }
 517                         }
 518                         Path targetBundleDir = processBundleJar(downloaded, targetCategoryBase, additionalEntries);
 519                         logger.log(Level.DEBUG, () -> "Processed " + downloaded);
 520                         return targetBundleDir;
 521                 } catch (Exception e) {
 522                         throw new RuntimeException("Cannot BND process " + downloaded, e);
 523                 }
 524
 525         }
 526
 527         /** Download and integrates sources for a single Maven artifact. */
 528         protected void downloadAndProcessM2Sources(String repoStr, M2Artifact artifact, Path targetBundleDir)
 529                         throws IOException {
 530 //              if (sourceBundles)
 531 //                      return;
 532                 try {
 533                         M2Artifact sourcesArtifact = new M2Artifact(artifact.toM2Coordinates(), "sources");
 534                         URL sourcesUrl = M2ConventionsUtils.mavenRepoUrl(repoStr, sourcesArtifact);
 535                         Path sourcesDownloaded = downloadMaven(sourcesUrl, artifact, true);
 536                         processM2SourceJar(sourcesDownloaded, targetBundleDir);
 537                         logger.log(Level.TRACE, () -> "Processed source " + sourcesDownloaded);
 538                 } catch (Exception e) {
 539                         logger.log(Level.ERROR, () -> "Cannot download source for  " + artifact);
 540                 }
 541
 542         }
 543
 544         /** Integrate sources from a downloaded jar file. */
 545         protected void processM2SourceJar(Path file, Path targetBundleDir) throws IOException {
 546                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 547                         Path targetSourceDir = sourceBundles
 548                                         ? targetBundleDir.getParent().resolve(targetBundleDir.toString() + ".src")
 549                                         : targetBundleDir.resolve("OSGI-OPT/src");
 550
 551                         if (Files.exists(targetSourceDir)) {
 552                                 logger.log(WARNING, targetSourceDir + " exists, deleting it...");
 553                                 deleteDirectory(targetSourceDir);
 554                         } else {
 555                                 Files.createDirectories(targetSourceDir);
 556                         }
 557
 558                         // copy entries
 559                         JarEntry entry;
 560                         entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 561                                 if (entry.isDirectory())
 562                                         continue entries;
 563                                 if (entry.getName().startsWith("META-INF"))// skip META-INF entries
 564                                         continue entries;
 565                                 if (entry.getName().startsWith("module-info.java"))// skip META-INF entries
 566                                         continue entries;
 567                                 if (entry.getName().startsWith("/")) // absolute paths
 568                                         continue entries;
 569                                 Path target = targetSourceDir.resolve(entry.getName());
 570                                 Files.createDirectories(target.getParent());
 571                                 if (!Files.exists(target)) {
 572                                         Files.copy(jarIn, target);
 573                                         logger.log(Level.TRACE, () -> "Copied source " + target);
 574                                 } else {
 575                                         logger.log(Level.WARNING, () -> target + " already exists, skipping...");
 576                                 }
 577                         }
 578                 }
 579
 580         }
 581
 582         /** Download a Maven artifact. */
 583         protected Path downloadMaven(URL url, M2Artifact artifact) throws IOException {
 584                 return downloadMaven(url, artifact, false);
 585         }
 586
 587         /** Download a Maven artifact. */
 588         protected Path downloadMaven(URL url, M2Artifact artifact, boolean sources) throws IOException {
 589                 return download(url, mavenBase, artifact.getGroupId().replace(".", "/") //
 590                                 + '/' + artifact.getArtifactId() + '/' + artifact.getVersion() //
 591                                 + '/' + artifact.getArtifactId() + "-" + artifact.getVersion() + (sources ? "-sources" : "") + ".jar");
 592         }
 593
 594         /*
 595          * ECLIPSE ORIGIN
 596          */
 597
 598         /** Process an archive in Eclipse format. */
 599         public void processEclipseArchive(Path duDir) {
 600                 try {
 601                         Path categoryRelativePath = descriptorsBase.relativize(duDir.getParent());
 602                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 603                         Files.createDirectories(targetCategoryBase);
 604                         // first delete all directories from previous builds
 605                         for (Path dir : Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p)))
 606                                 deleteDirectory(dir);
 607
 608                         Files.createDirectories(originBase);
 609
 610                         Path commonBnd = duDir.resolve(COMMON_BND);
 611                         Properties commonProps = new Properties();
 612                         try (InputStream in = Files.newInputStream(commonBnd)) {
 613                                 commonProps.load(in);
 614                         }
 615                         String url = commonProps.getProperty(ManifestConstants.SLC_ORIGIN_URI.toString());
 616                         if (url == null) {
 617                                 url = uris.getProperty(duDir.getFileName().toString());
 618                                 if (url == null)
 619                                         throw new IllegalStateException("No url available for " + duDir);
 620                                 commonProps.put(ManifestConstants.SLC_ORIGIN_URI.toString(), url);
 621                         }
 622                         Path downloaded = tryDownloadArchive(url, originBase);
 623
 624                         FileSystem zipFs = FileSystems.newFileSystem(downloaded, (ClassLoader) null);
 625
 626                         // filters
 627                         List<PathMatcher> includeMatchers = new ArrayList<>();
 628                         Properties includes = new Properties();
 629                         try (InputStream in = Files.newInputStream(duDir.resolve("includes.properties"))) {
 630                                 includes.load(in);
 631                         }
 632                         for (Object pattern : includes.keySet()) {
 633                                 PathMatcher pathMatcher = zipFs.getPathMatcher("glob:/" + pattern);
 634                                 includeMatchers.add(pathMatcher);
 635                         }
 636
 637                         List<PathMatcher> excludeMatchers = new ArrayList<>();
 638                         Path excludeFile = duDir.resolve("excludes.properties");
 639                         if (Files.exists(excludeFile)) {
 640                                 Properties excludes = new Properties();
 641                                 try (InputStream in = Files.newInputStream(excludeFile)) {
 642                                         excludes.load(in);
 643                                 }
 644                                 for (Object pattern : excludes.keySet()) {
 645                                         PathMatcher pathMatcher = zipFs.getPathMatcher("glob:/" + pattern);
 646                                         excludeMatchers.add(pathMatcher);
 647                                 }
 648                         }
 649
 650                         Files.walkFileTree(zipFs.getRootDirectories().iterator().next(), new SimpleFileVisitor<Path>() {
 651
 652                                 @Override
 653                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 654                                         includeMatchers: for (PathMatcher includeMatcher : includeMatchers) {
 655                                                 if (includeMatcher.matches(file)) {
 656                                                         for (PathMatcher excludeMatcher : excludeMatchers) {
 657                                                                 if (excludeMatcher.matches(file)) {
 658                                                                         logger.log(Level.TRACE, "Skipping excluded " + file);
 659                                                                         return FileVisitResult.CONTINUE;
 660                                                                 }
 661                                                         }
 662                                                         if (file.getFileName().toString().contains(".source_")) {
 663 //                                                              if (!sourceBundles) {
 664                                                                 processEclipseSourceJar(file, targetCategoryBase);
 665                                                                 logger.log(Level.DEBUG, () -> "Processed source " + file);
 666 //                                                              }
 667
 668                                                         } else {
 669                                                                 Map<String, String> map = new HashMap<>();
 670                                                                 for (Object key : commonProps.keySet())
 671                                                                         map.put(key.toString(), commonProps.getProperty(key.toString()));
 672                                                                 processBundleJar(file, targetCategoryBase, map);
 673                                                                 logger.log(Level.DEBUG, () -> "Processed " + file);
 674                                                         }
 675                                                         break includeMatchers;
 676                                                 }
 677                                         }
 678                                         return FileVisitResult.CONTINUE;
 679                                 }
 680                         });
 681
 682                         DirectoryStream<Path> dirs = Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p)
 683                                         && p.getFileName().toString().indexOf('.') >= 0 && !p.getFileName().toString().endsWith(".src"));
 684                         for (Path dir : dirs) {
 685                                 createJar(dir);
 686                         }
 687                 } catch (IOException e) {
 688                         throw new RuntimeException("Cannot process " + duDir, e);
 689                 }
 690
 691         }
 692
 693         /** Process sources in Eclipse format. */
 694         protected void processEclipseSourceJar(Path file, Path targetBase) throws IOException {
 695                 try {
 696                         Path targetBundleDir;
 697                         try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 698                                 Manifest manifest = jarIn.getManifest();
 699
 700                                 String[] relatedBundle = manifest.getMainAttributes().getValue("Eclipse-SourceBundle").split(";");
 701                                 String version = relatedBundle[1].substring("version=\"".length());
 702                                 version = version.substring(0, version.length() - 1);
 703                                 NameVersion nameVersion = new NameVersion(relatedBundle[0], version);
 704                                 targetBundleDir = targetBase.resolve(nameVersion.getName() + "." + nameVersion.getBranch());
 705
 706                                 Path targetSourceDir = sourceBundles
 707                                                 ? targetBundleDir.getParent().resolve(targetBundleDir.toString() + ".src")
 708                                                 : targetBundleDir.resolve("OSGI-OPT/src");
 709
 710                                 if (Files.exists(targetSourceDir)) {
 711                                         logger.log(WARNING, targetSourceDir + " exists, deleting it...");
 712                                         deleteDirectory(targetSourceDir);
 713                                 } else {
 714                                         Files.createDirectories(targetSourceDir);
 715                                 }
 716
 717                                 // copy entries
 718                                 JarEntry entry;
 719                                 entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 720                                         if (entry.isDirectory())
 721                                                 continue entries;
 722                                         if (entry.getName().startsWith("META-INF"))// skip META-INF entries
 723                                                 continue entries;
 724                                         Path target = targetSourceDir.resolve(entry.getName());
 725                                         Files.createDirectories(target.getParent());
 726                                         Files.copy(jarIn, target);
 727                                         logger.log(Level.TRACE, () -> "Copied source " + target);
 728                                 }
 729
 730                                 // copy MANIFEST
 731                         }
 732                 } catch (IOException e) {
 733                         throw new IllegalStateException("Cannot process " + file, e);
 734                 }
 735
 736         }
 737
 738         /*
 739          * COMMON PROCESSING
 740          */
 741         /** Normalise a bundle. */
 742         protected Path processBundleJar(Path file, Path targetBase, Map<String, String> entries) throws IOException {
 743                 NameVersion nameVersion;
 744                 Path targetBundleDir;
 745                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 746                         Manifest sourceManifest = jarIn.getManifest();
 747                         Manifest manifest = sourceManifest != null ? new Manifest(sourceManifest) : new Manifest();
 748
 749                         // singleton
 750                         boolean isSingleton = false;
 751                         String rawSourceSymbolicName = manifest.getMainAttributes()
 752                                         .getValue(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 753                         if (rawSourceSymbolicName != null) {
 754
 755                                 // make sure there is no directive
 756                                 String[] arr = rawSourceSymbolicName.split(";");
 757                                 for (int i = 1; i < arr.length; i++) {
 758                                         if (arr[i].trim().equals("singleton:=true"))
 759                                                 isSingleton = true;
 760                                         logger.log(DEBUG, file.getFileName() + " is a singleton");
 761                                 }
 762                         }
 763
 764                         // remove problematic entries in MANIFEST
 765                         manifest.getEntries().clear();
 766
 767                         String ourSymbolicName = entries.get(BUNDLE_SYMBOLICNAME.toString());
 768                         String ourVersion = entries.get(BUNDLE_VERSION.toString());
 769
 770                         if (ourSymbolicName != null && ourVersion != null) {
 771                                 nameVersion = new NameVersion(ourSymbolicName, ourVersion);
 772                         } else {
 773                                 nameVersion = nameVersionFromManifest(manifest);
 774                                 if (ourVersion != null && !nameVersion.getVersion().equals(ourVersion)) {
 775                                         logger.log(Level.WARNING,
 776                                                         "Original version is " + nameVersion.getVersion() + " while new version is " + ourVersion);
 777                                         entries.put(BUNDLE_VERSION.toString(), ourVersion);
 778                                 }
 779                                 if (ourSymbolicName != null) {
 780                                         // we always force our symbolic name
 781                                         nameVersion.setName(ourSymbolicName);
 782                                 }
 783                         }
 784                         targetBundleDir = targetBase.resolve(nameVersion.getName() + "." + nameVersion.getBranch());
 785                         if (Files.exists(targetBundleDir)) {
 786                                 logger.log(WARNING, targetBundleDir + " exists, deleting it...");
 787                                 deleteDirectory(targetBundleDir);
 788                         } else {
 789                                 Files.createDirectories(targetBundleDir);
 790                         }
 791
 792                         // force Java 9 module name
 793                         entries.put(ManifestConstants.AUTOMATIC_MODULE_NAME.toString(), nameVersion.getName());
 794
 795                         boolean isNative = false;
 796                         String os = null;
 797                         String arch = null;
 798                         if (targetBundleDir.startsWith(a2LibBase)) {
 799                                 isNative = true;
 800                                 Path libRelativePath = a2LibBase.relativize(targetBundleDir);
 801                                 os = libRelativePath.getName(0).toString();
 802                                 arch = libRelativePath.getName(1).toString();
 803                         }
 804
 805                         // copy entries
 806                         JarEntry entry;
 807                         entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 808                                 if (entry.isDirectory())
 809                                         continue entries;
 810                                 if (entry.getName().endsWith(".RSA") || entry.getName().endsWith(".SF"))
 811                                         continue entries;
 812                                 if (entry.getName().endsWith("module-info.class")) // skip Java 9 module info
 813                                         continue entries;
 814                                 if (entry.getName().startsWith("META-INF/versions/")) // skip multi-version
 815                                         continue entries;
 816                                 // skip file system providers as they cause issues with native image
 817                                 if (entry.getName().startsWith("META-INF/services/java.nio.file.spi.FileSystemProvider"))
 818                                         continue entries;
 819                                 if (entry.getName().startsWith("OSGI-OPT/src/")) // skip embedded sources
 820                                         continue entries;
 821                                 Path target = targetBundleDir.resolve(entry.getName());
 822                                 Files.createDirectories(target.getParent());
 823                                 Files.copy(jarIn, target);
 824
 825                                 // native libraries
 826                                 if (isNative && (entry.getName().endsWith(".so") || entry.getName().endsWith(".dll")
 827                                                 || entry.getName().endsWith(".jnilib"))) {
 828                                         Path categoryDir = targetBundleDir.getParent();
 829 //                                      String[] segments = categoryDir.getFileName().toString().split("\\.");
 830 //                                      String arch = segments[segments.length - 1];
 831 //                                      String os = segments[segments.length - 2];
 832                                         boolean copyDll = false;
 833                                         Path targetDll = categoryDir.resolve(targetBundleDir.relativize(target));
 834                                         if (nameVersion.getName().equals("com.sun.jna")) {
 835                                                 if (arch.equals("x86_64"))
 836                                                         arch = "x86-64";
 837                                                 if (os.equals("macosx"))
 838                                                         os = "darwin";
 839                                                 if (target.getParent().getFileName().toString().equals(os + "-" + arch)) {
 840                                                         copyDll = true;
 841                                                 }
 842                                                 targetDll = categoryDir.resolve(target.getFileName());
 843                                         } else {
 844                                                 copyDll = true;
 845                                         }
 846                                         if (copyDll) {
 847                                                 Files.createDirectories(targetDll.getParent());
 848                                                 if (Files.exists(targetDll))
 849                                                         Files.delete(targetDll);
 850                                                 Files.copy(target, targetDll);
 851                                         }
 852                                         Files.delete(target);
 853                                 }
 854                                 logger.log(Level.TRACE, () -> "Copied " + target);
 855                         }
 856
 857                         // copy MANIFEST
 858                         Path manifestPath = targetBundleDir.resolve("META-INF/MANIFEST.MF");
 859                         Files.createDirectories(manifestPath.getParent());
 860
 861                         if (isSingleton && entries.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 862                                 entries.put(BUNDLE_SYMBOLICNAME.toString(),
 863                                                 entries.get(BUNDLE_SYMBOLICNAME.toString()) + ";singleton:=true");
 864                         }
 865
 866                         for (String key : entries.keySet()) {
 867                                 String value = entries.get(key);
 868                                 Object previousValue = manifest.getMainAttributes().putValue(key, value);
 869                                 if (previousValue != null && !previousValue.equals(value)) {
 870                                         if (ManifestConstants.IMPORT_PACKAGE.toString().equals(key)
 871                                                         || ManifestConstants.EXPORT_PACKAGE.toString().equals(key)
 872                                                         || ManifestConstants.BUNDLE_LICENSE.toString().equals(key))
 873                                                 logger.log(Level.TRACE, file.getFileName() + ": " + key + " was modified");
 874                                         else
 875                                                 logger.log(Level.WARNING, file.getFileName() + ": " + key + " was " + previousValue
 876                                                                 + ", overridden with " + value);
 877                                 }
 878
 879                                 // hack to remove unresolvable
 880                                 if (key.equals("Provide-Capability") || key.equals("Require-Capability"))
 881                                         if (nameVersion.getName().equals("osgi.core") || nameVersion.getName().equals("osgi.cmpn")) {
 882                                                 manifest.getMainAttributes().remove(key);
 883                                         }
 884                         }
 885                         try (OutputStream out = Files.newOutputStream(manifestPath)) {
 886                                 manifest.write(out);
 887                         }
 888                 }
 889                 return targetBundleDir;
 890         }
 891
 892         /*
 893          * UTILITIES
 894          */
 895
 896         /** Recursively deletes a directory. */
 897         private static void deleteDirectory(Path path) throws IOException {
 898                 if (!Files.exists(path))
 899                         return;
 900                 Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
 901                         @Override
 902                         public FileVisitResult postVisitDirectory(Path directory, IOException e) throws IOException {
 903                                 if (e != null)
 904                                         throw e;
 905                                 Files.delete(directory);
 906                                 return FileVisitResult.CONTINUE;
 907                         }
 908
 909                         @Override
 910                         public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 911                                 Files.delete(file);
 912                                 return FileVisitResult.CONTINUE;
 913                         }
 914                 });
 915         }
 916
 917         /** Extract name/version from a MANIFEST. */
 918         protected NameVersion nameVersionFromManifest(Manifest manifest) {
 919                 Attributes attrs = manifest.getMainAttributes();
 920                 // symbolic name
 921                 String symbolicName = attrs.getValue(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 922                 if (symbolicName == null)
 923                         return null;
 924                 // make sure there is no directive
 925                 symbolicName = symbolicName.split(";")[0];
 926
 927                 String version = attrs.getValue(ManifestConstants.BUNDLE_VERSION.toString());
 928                 return new NameVersion(symbolicName, version);
 929         }
 930
 931         /** Try to download from an URI. */
 932         protected Path tryDownloadArchive(String uri, Path dir) throws IOException {
 933                 // find mirror
 934                 List<String> urlBases = null;
 935                 String uriPrefix = null;
 936                 uriPrefixes: for (String uriPref : mirrors.keySet()) {
 937                         if (uri.startsWith(uriPref)) {
 938                                 if (mirrors.get(uriPref).size() > 0) {
 939                                         urlBases = mirrors.get(uriPref);
 940                                         uriPrefix = uriPref;
 941                                         break uriPrefixes;
 942                                 }
 943                         }
 944                 }
 945                 if (urlBases == null)
 946                         try {
 947                                 return downloadArchive(new URL(uri), dir);
 948                         } catch (FileNotFoundException e) {
 949                                 throw new FileNotFoundException("Cannot find " + uri);
 950                         }
 951
 952                 // try to download
 953                 for (String urlBase : urlBases) {
 954                         String relativePath = uri.substring(uriPrefix.length());
 955                         URL url = new URL(urlBase + relativePath);
 956                         try {
 957                                 return downloadArchive(url, dir);
 958                         } catch (FileNotFoundException e) {
 959                                 logger.log(Level.WARNING, "Cannot download " + url + ", trying another mirror");
 960                         }
 961                 }
 962                 throw new FileNotFoundException("Cannot find " + uri);
 963         }
 964
 965         /**
 966          * Effectively download. Synchronised in order to avoid downloading twice in
 967          * parallel.
 968          */
 969         protected synchronized Path downloadArchive(URL url, Path dir) throws IOException {
 970                 return download(url, dir, (String) null);
 971         }
 972
 973         /** Effectively download. */
 974         protected Path download(URL url, Path dir, String name) throws IOException {
 975
 976                 Path dest;
 977                 if (name == null) {
 978                         // We use also use parent directory in case the archive itself has a fixed name
 979                         String[] segments = url.getPath().split("/");
 980                         name = segments.length > 1 ? segments[segments.length - 2] + '-' + segments[segments.length - 1]
 981                                         : segments[segments.length - 1];
 982                 }
 983
 984                 dest = dir.resolve(name);
 985                 if (Files.exists(dest)) {
 986                         logger.log(Level.TRACE, () -> "File " + dest + " already exists for " + url + ", not downloading again");
 987                         return dest;
 988                 } else {
 989                         Files.createDirectories(dest.getParent());
 990                 }
 991
 992                 try (InputStream in = url.openStream()) {
 993                         Files.copy(in, dest);
 994                         logger.log(Level.DEBUG, () -> "Downloaded " + dest + " from " + url);
 995                 }
 996                 return dest;
 997         }
 998
 999         /** Create a JAR file from a directory. */
1000         protected Path createJar(Path bundleDir) throws IOException {
1001                 // Create the jar
1002                 Path jarPath = bundleDir.getParent().resolve(bundleDir.getFileName() + ".jar");
1003                 Path manifestPath = bundleDir.resolve("META-INF/MANIFEST.MF");
1004                 Manifest manifest;
1005                 try (InputStream in = Files.newInputStream(manifestPath)) {
1006                         manifest = new Manifest(in);
1007                 }
1008                 try (JarOutputStream jarOut = new JarOutputStream(Files.newOutputStream(jarPath), manifest)) {
1009                         jarOut.setLevel(Deflater.DEFAULT_COMPRESSION);
1010                         Files.walkFileTree(bundleDir, new SimpleFileVisitor<Path>() {
1011
1012                                 @Override
1013                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
1014                                         if (file.getFileName().toString().equals("MANIFEST.MF"))
1015                                                 return super.visitFile(file, attrs);
1016                                         JarEntry entry = new JarEntry(
1017                                                         bundleDir.relativize(file).toString().replace(File.separatorChar, '/'));
1018                                         jarOut.putNextEntry(entry);
1019                                         Files.copy(file, jarOut);
1020                                         return super.visitFile(file, attrs);
1021                                 }
1022
1023                         });
1024                 }
1025                 deleteDirectory(bundleDir);
1026
1027                 if (sourceBundles) {
1028                         Path bundleCategoryDir = bundleDir.getParent();
1029                         Path sourceDir = bundleCategoryDir.resolve(bundleDir.toString() + ".src");
1030                         if (!Files.exists(sourceDir)) {
1031                                 logger.log(WARNING, sourceDir + " does not exist, skipping...");
1032                                 return jarPath;
1033
1034                         }
1035
1036                         Path relPath = a2Base.relativize(bundleCategoryDir);
1037                         Path srcCategoryDir = a2SrcBase.resolve(relPath);
1038                         Path srcJarP = srcCategoryDir.resolve(sourceDir.getFileName() + ".jar");
1039                         Files.createDirectories(srcJarP.getParent());
1040
1041                         String bundleSymbolicName = manifest.getMainAttributes().getValue("Bundle-SymbolicName").toString();
1042                         // in case there are additional directives
1043                         bundleSymbolicName = bundleSymbolicName.split(";")[0];
1044                         Manifest srcManifest = new Manifest();
1045                         srcManifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
1046                         srcManifest.getMainAttributes().putValue("Bundle-SymbolicName", bundleSymbolicName + ".src");
1047                         srcManifest.getMainAttributes().putValue("Bundle-Version",
1048                                         manifest.getMainAttributes().getValue("Bundle-Version").toString());
1049                         srcManifest.getMainAttributes().putValue("Eclipse-SourceBundle",
1050                                         bundleSymbolicName + ";version=\"" + manifest.getMainAttributes().getValue("Bundle-Version"));
1051
1052                         try (JarOutputStream srcJarOut = new JarOutputStream(Files.newOutputStream(srcJarP), srcManifest)) {
1053                                 srcJarOut.setLevel(Deflater.BEST_COMPRESSION);
1054                                 Files.walkFileTree(sourceDir, new SimpleFileVisitor<Path>() {
1055
1056                                         @Override
1057                                         public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
1058                                                 if (file.getFileName().toString().equals("MANIFEST.MF"))
1059                                                         return super.visitFile(file, attrs);
1060                                                 JarEntry entry = new JarEntry(
1061                                                                 sourceDir.relativize(file).toString().replace(File.separatorChar, '/'));
1062                                                 srcJarOut.putNextEntry(entry);
1063                                                 Files.copy(file, srcJarOut);
1064                                                 return super.visitFile(file, attrs);
1065                                         }
1066
1067                                 });
1068                         }
1069                         deleteDirectory(sourceDir);
1070                 }
1071
1072                 return jarPath;
1073         }
1074
1075         enum ManifestConstants {
1076                 // OSGi
1077                 BUNDLE_SYMBOLICNAME("Bundle-SymbolicName"), //
1078                 BUNDLE_VERSION("Bundle-Version"), //
1079                 BUNDLE_LICENSE("Bundle-License"), //
1080                 EXPORT_PACKAGE("Export-Package"), //
1081                 IMPORT_PACKAGE("Import-Package"), //
1082                 // JAVA
1083                 AUTOMATIC_MODULE_NAME("Automatic-Module-Name"), //
1084                 // SLC
1085                 SLC_CATEGORY("SLC-Category"), //
1086                 SLC_ORIGIN_M2("SLC-Origin-M2"), //
1087                 SLC_ORIGIN_M2_MERGE("SLC-Origin-M2-Merge"), //
1088                 SLC_ORIGIN_M2_REPO("SLC-Origin-M2-Repo"), //
1089                 SLC_ORIGIN_MANIFEST_NOT_MODIFIED("SLC-Origin-ManifestNotModified"), //
1090                 SLC_ORIGIN_URI("SLC-Origin-URI"),//
1091                 ;
1092
1093                 final String value;
1094
1095                 private ManifestConstants(String value) {
1096                         this.value = value;
1097                 }
1098
1099                 @Override
1100                 public String toString() {
1101                         return value;
1102                 }
1103
1104         }
1105
1106 }
1107
1108 /** Simple representation of an M2 artifact. */
1109 class M2Artifact extends CategoryNameVersion {
1110         private String classifier;
1111
1112         M2Artifact(String m2coordinates) {
1113                 this(m2coordinates, null);
1114         }
1115
1116         M2Artifact(String m2coordinates, String classifier) {
1117                 String[] parts = m2coordinates.split(":");
1118                 setCategory(parts[0]);
1119                 setName(parts[1]);
1120                 if (parts.length > 2) {
1121                         setVersion(parts[2]);
1122                 }
1123                 this.classifier = classifier;
1124         }
1125
1126         String getGroupId() {
1127                 return super.getCategory();
1128         }
1129
1130         String getArtifactId() {
1131                 return super.getName();
1132         }
1133
1134         String toM2Coordinates() {
1135                 return getCategory() + ":" + getName() + (getVersion() != null ? ":" + getVersion() : "");
1136         }
1137
1138         String getClassifier() {
1139                 return classifier != null ? classifier : "";
1140         }
1141
1142         String getExtension() {
1143                 return "jar";
1144         }
1145 }
1146
1147 /** Utilities around Maven (conventions based). */
1148 class M2ConventionsUtils {
1149         final static String MAVEN_CENTRAL_BASE_URL = "https://repo1.maven.org/maven2/";
1150
1151         /** The file name of this artifact when stored */
1152         static String artifactFileName(M2Artifact artifact) {
1153                 return artifact.getArtifactId() + '-' + artifact.getVersion()
1154                                 + (artifact.getClassifier().equals("") ? "" : '-' + artifact.getClassifier()) + '.'
1155                                 + artifact.getExtension();
1156         }
1157
1158         /** Absolute path to the file */
1159         static String artifactPath(String artifactBasePath, M2Artifact artifact) {
1160                 return artifactParentPath(artifactBasePath, artifact) + '/' + artifactFileName(artifact);
1161         }
1162
1163         /** Absolute path to the file */
1164         static String artifactUrl(String repoUrl, M2Artifact artifact) {
1165                 if (repoUrl.endsWith("/"))
1166                         return repoUrl + artifactPath("/", artifact).substring(1);
1167                 else
1168                         return repoUrl + artifactPath("/", artifact);
1169         }
1170
1171         /** Absolute path to the file */
1172         static URL mavenRepoUrl(String repoBase, M2Artifact artifact) {
1173                 String url = artifactUrl(repoBase == null ? MAVEN_CENTRAL_BASE_URL : repoBase, artifact);
1174                 try {
1175                         return new URL(url);
1176                 } catch (MalformedURLException e) {
1177                         // it should not happen
1178                         throw new IllegalStateException(e);
1179                 }
1180         }
1181
1182         /** Absolute path to the directories where the files will be stored */
1183         static String artifactParentPath(String artifactBasePath, M2Artifact artifact) {
1184                 return artifactBasePath + (artifactBasePath.endsWith("/") ? "" : "/") + artifactParentPath(artifact);
1185         }
1186
1187         /** Relative path to the directories where the files will be stored */
1188         static String artifactParentPath(M2Artifact artifact) {
1189                 return artifact.getGroupId().replace('.', '/') + '/' + artifact.getArtifactId() + '/' + artifact.getVersion();
1190         }
1191
1192         /** Singleton */
1193         private M2ConventionsUtils() {
1194         }
1195 }
1196
1197 class CategoryNameVersion extends NameVersion {
1198         private String category;
1199
1200         CategoryNameVersion() {
1201         }
1202
1203         CategoryNameVersion(String category, String name, String version) {
1204                 super(name, version);
1205                 this.category = category;
1206         }
1207
1208         CategoryNameVersion(String category, NameVersion nameVersion) {
1209                 super(nameVersion);
1210                 this.category = category;
1211         }
1212
1213         String getCategory() {
1214                 return category;
1215         }
1216
1217         void setCategory(String category) {
1218                 this.category = category;
1219         }
1220
1221         @Override
1222         public String toString() {
1223                 return category + ":" + super.toString();
1224         }
1225
1226 }
1227
1228 class NameVersion implements Comparable<NameVersion> {
1229         private String name;
1230         private String version;
1231
1232         NameVersion() {
1233         }
1234
1235         /** Interprets string in OSGi-like format my.module.name;version=0.0.0 */
1236         NameVersion(String nameVersion) {
1237                 int index = nameVersion.indexOf(";version=");
1238                 if (index < 0) {
1239                         setName(nameVersion);
1240                         setVersion(null);
1241                 } else {
1242                         setName(nameVersion.substring(0, index));
1243                         setVersion(nameVersion.substring(index + ";version=".length()));
1244                 }
1245         }
1246
1247         NameVersion(String name, String version) {
1248                 this.name = name;
1249                 this.version = version;
1250         }
1251
1252         NameVersion(NameVersion nameVersion) {
1253                 this.name = nameVersion.getName();
1254                 this.version = nameVersion.getVersion();
1255         }
1256
1257         String getName() {
1258                 return name;
1259         }
1260
1261         void setName(String name) {
1262                 this.name = name;
1263         }
1264
1265         String getVersion() {
1266                 return version;
1267         }
1268
1269         void setVersion(String version) {
1270                 this.version = version;
1271         }
1272
1273         String getBranch() {
1274                 String[] parts = getVersion().split("\\.");
1275                 if (parts.length < 2)
1276                         throw new IllegalStateException("Version " + getVersion() + " cannot be interpreted as branch.");
1277                 return parts[0] + "." + parts[1];
1278         }
1279
1280         @Override
1281         public boolean equals(Object obj) {
1282                 if (obj instanceof NameVersion) {
1283                         NameVersion nameVersion = (NameVersion) obj;
1284                         return name.equals(nameVersion.getName()) && version.equals(nameVersion.getVersion());
1285                 } else
1286                         return false;
1287         }
1288
1289         @Override
1290         public int hashCode() {
1291                 return name.hashCode();
1292         }
1293
1294         @Override
1295         public String toString() {
1296                 return name + ":" + version;
1297         }
1298
1299         public int compareTo(NameVersion o) {
1300                 if (o.getName().equals(name))
1301                         return version.compareTo(o.getVersion());
1302                 else
1303                         return name.compareTo(o.getName());
1304         }
1305 }