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