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.ERROR;
   5 import static java.lang.System.Logger.Level.INFO;
   6 import static java.lang.System.Logger.Level.TRACE;
   7 import static java.lang.System.Logger.Level.WARNING;
   8 import static java.nio.file.FileVisitResult.CONTINUE;
   9 import static java.util.jar.Attributes.Name.MANIFEST_VERSION;
  10 import static org.argeo.build.Repackage.ManifestConstants.ARGEO_ORIGIN_M2;
  11 import static org.argeo.build.Repackage.ManifestConstants.ARGEO_ORIGIN_M2_REPO;
  12 import static org.argeo.build.Repackage.ManifestConstants.BUNDLE_LICENSE;
  13 import static org.argeo.build.Repackage.ManifestConstants.BUNDLE_SYMBOLICNAME;
  14 import static org.argeo.build.Repackage.ManifestConstants.BUNDLE_VERSION;
  15 import static org.argeo.build.Repackage.ManifestConstants.ECLIPSE_SOURCE_BUNDLE;
  16 import static org.argeo.build.Repackage.ManifestConstants.EXPORT_PACKAGE;
  17 import static org.argeo.build.Repackage.ManifestConstants.IMPORT_PACKAGE;
  18 import static org.argeo.build.Repackage.ManifestConstants.SPDX_LICENSE_IDENTIFIER;
  19
  20 import java.io.File;
  21 import java.io.FileNotFoundException;
  22 import java.io.IOException;
  23 import java.io.InputStream;
  24 import java.io.OutputStream;
  25 import java.lang.System.Logger;
  26 import java.net.MalformedURLException;
  27 import java.net.URL;
  28 import java.nio.charset.StandardCharsets;
  29 import java.nio.file.DirectoryStream;
  30 import java.nio.file.FileSystem;
  31 import java.nio.file.FileSystems;
  32 import java.nio.file.FileVisitResult;
  33 import java.nio.file.Files;
  34 import java.nio.file.Path;
  35 import java.nio.file.PathMatcher;
  36 import java.nio.file.Paths;
  37 import java.nio.file.SimpleFileVisitor;
  38 import java.nio.file.StandardOpenOption;
  39 import java.nio.file.attribute.BasicFileAttributes;
  40 import java.util.ArrayList;
  41 import java.util.HashMap;
  42 import java.util.Iterator;
  43 import java.util.List;
  44 import java.util.Map;
  45 import java.util.Objects;
  46 import java.util.Properties;
  47 import java.util.Set;
  48 import java.util.TreeMap;
  49 import java.util.TreeSet;
  50 import java.util.concurrent.CompletableFuture;
  51 import java.util.jar.Attributes;
  52 import java.util.jar.JarEntry;
  53 import java.util.jar.JarInputStream;
  54 import java.util.jar.JarOutputStream;
  55 import java.util.jar.Manifest;
  56 import java.util.zip.Deflater;
  57
  58 import aQute.bnd.osgi.Analyzer;
  59 import aQute.bnd.osgi.Jar;
  60
  61 /**
  62  * Simple tool repackaging existing jar files into OSGi bundles in an A2
  63  * repository.
  64  */
  65 public class Repackage {
  66         final static Logger logger = System.getLogger(Repackage.class.getName());
  67
  68         /**
  69          * Environment variable on whether sources should be packaged separately or
  70          * integrated in the bundles.
  71          */
  72         final static String ENV_SOURCE_BUNDLES = "SOURCE_BUNDLES";
  73
  74         /** Whethere repackaging should run in parallel or sequentially. */
  75         final static boolean parallel = true;
  76
  77         // cache
  78         final static Map<String, Set<String>> licensesUsed = new TreeMap<>();
  79
  80         /** Main entry point. */
  81         public static void main(String[] args) {
  82                 if (args.length < 2) {
  83                         System.err.println("Usage: <path to a2 output dir> <category1> <category2> ...");
  84                         System.exit(1);
  85                 }
  86                 Path a2Base = Paths.get(args[0]).toAbsolutePath().normalize();
  87                 Path descriptorsBase = Paths.get(".").toAbsolutePath().normalize();
  88                 Repackage factory = new Repackage(a2Base, descriptorsBase);
  89
  90                 List<CompletableFuture<Void>> toDos = new ArrayList<>();
  91                 for (int i = 1; i < args.length; i++) {
  92                         Path p = Paths.get(args[i]);
  93                         if (parallel)
  94                                 toDos.add(CompletableFuture.runAsync(() -> factory.processCategory(p)));
  95                         else
  96                                 factory.processCategory(p);
  97                 }
  98                 CompletableFuture.allOf(toDos.toArray(new CompletableFuture[toDos.size()])).join();
  99
 100                 logger.log(INFO, "# License summary:");
 101                 for (String licenseId : licensesUsed.keySet())
 102                         for (String name : licensesUsed.get(licenseId))
 103                                 logger.log(INFO, licenseId + "\t" + name);
 104         }
 105
 106         final static String COMMON_BND = "common.bnd";
 107         final static String MERGE_BND = "merge.bnd";
 108
 109         /** Directory where to download archives */
 110         Path originBase;
 111         /** Directory where to download Maven artifacts */
 112         Path mavenBase;
 113
 114         /** A2 repository base for binary bundles */
 115         Path a2Base;
 116         /** A2 repository base for source bundles */
 117         Path a2SrcBase;
 118         /** A2 base for native components */
 119         Path a2LibBase;
 120         /** Location of the descriptors driving the packaging */
 121         Path descriptorsBase;
 122         /** URIs of archives to download */
 123         Properties uris = new Properties();
 124         /** Mirrors for archive download. Key is URI prefix, value list of base URLs */
 125         Map<String, List<String>> mirrors = new HashMap<String, List<String>>();
 126
 127         /** Whether sources should be packaged separately */
 128         final boolean sourceBundles;
 129
 130         /** Constructor initialises the various variables */
 131         public Repackage(Path a2Base, Path descriptorsBase) {
 132                 sourceBundles = Boolean.parseBoolean(System.getenv(ENV_SOURCE_BUNDLES));
 133                 if (sourceBundles)
 134                         logger.log(INFO, "Sources will be packaged separately");
 135
 136                 Objects.requireNonNull(a2Base);
 137                 Objects.requireNonNull(descriptorsBase);
 138                 this.originBase = Paths.get(System.getProperty("user.home"), ".cache", "argeo/build/origin");
 139                 this.mavenBase = Paths.get(System.getProperty("user.home"), ".m2", "repository");
 140
 141                 // TODO define and use a build base
 142                 this.a2Base = a2Base;
 143                 this.a2SrcBase = a2Base.getParent().resolve(a2Base.getFileName() + ".src");
 144                 this.a2LibBase = a2Base.resolve("lib");
 145                 this.descriptorsBase = descriptorsBase;
 146                 if (!Files.exists(this.descriptorsBase))
 147                         throw new IllegalArgumentException(this.descriptorsBase + " does not exist");
 148
 149                 // URIs mapping
 150                 Path urisPath = this.descriptorsBase.resolve("uris.properties");
 151                 if (Files.exists(urisPath)) {
 152                         try (InputStream in = Files.newInputStream(urisPath)) {
 153                                 uris.load(in);
 154                         } catch (IOException e) {
 155                                 throw new IllegalStateException("Cannot load " + urisPath, e);
 156                         }
 157                 }
 158
 159                 // Eclipse mirrors
 160                 Path eclipseMirrorsPath = this.descriptorsBase.resolve("eclipse.mirrors.txt");
 161                 List<String> eclipseMirrors = new ArrayList<>();
 162                 if (Files.exists(eclipseMirrorsPath)) {
 163                         try {
 164                                 eclipseMirrors = Files.readAllLines(eclipseMirrorsPath, StandardCharsets.UTF_8);
 165                         } catch (IOException e) {
 166                                 throw new IllegalStateException("Cannot load " + eclipseMirrorsPath, e);
 167                         }
 168                         for (Iterator<String> it = eclipseMirrors.iterator(); it.hasNext();) {
 169                                 String value = it.next();
 170                                 if (value.strip().equals(""))
 171                                         it.remove();
 172                         }
 173                 }
 174                 mirrors.put("http://www.eclipse.org/downloads", eclipseMirrors);
 175         }
 176
 177         /*
 178          * MAVEN ORIGIN
 179          */
 180         /** Process a whole category/group id. */
 181         void processCategory(Path categoryRelativePath) {
 182                 try {
 183                         Path targetCategoryBase = descriptorsBase.resolve(categoryRelativePath);
 184                         DirectoryStream<Path> bnds = Files.newDirectoryStream(targetCategoryBase,
 185                                         (p) -> p.getFileName().toString().endsWith(".bnd") && !p.getFileName().toString().equals(COMMON_BND)
 186                                                         && !p.getFileName().toString().equals(MERGE_BND));
 187                         for (Path p : bnds) {
 188                                 processSingleM2ArtifactDistributionUnit(p);
 189                         }
 190
 191                         DirectoryStream<Path> dus = Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p));
 192                         for (Path duDir : dus) {
 193                                 if (duDir.getFileName().toString().startsWith("eclipse-")) {
 194                                         processEclipseArchive(duDir);
 195                                 } else {
 196                                         processM2BasedDistributionUnit(duDir);
 197                                 }
 198                         }
 199                 } catch (IOException e) {
 200                         throw new RuntimeException("Cannot process category " + categoryRelativePath, e);
 201                 }
 202         }
 203
 204         /** Process a standalone Maven artifact. */
 205         void processSingleM2ArtifactDistributionUnit(Path bndFile) {
 206                 try {
 207                         Path categoryRelativePath = descriptorsBase.relativize(bndFile.getParent());
 208                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 209
 210                         Properties fileProps = new Properties();
 211                         try (InputStream in = Files.newInputStream(bndFile)) {
 212                                 fileProps.load(in);
 213                         }
 214                         String repoStr = fileProps.containsKey(ARGEO_ORIGIN_M2_REPO.toString())
 215                                         ? fileProps.getProperty(ARGEO_ORIGIN_M2_REPO.toString())
 216                                         : null;
 217
 218                         if (!fileProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 219                                 // use file name as symbolic name
 220                                 String symbolicName = bndFile.getFileName().toString();
 221                                 symbolicName = symbolicName.substring(0, symbolicName.length() - ".bnd".length());
 222                                 fileProps.put(BUNDLE_SYMBOLICNAME.toString(), symbolicName);
 223                         }
 224
 225                         String m2Coordinates = fileProps.getProperty(ARGEO_ORIGIN_M2.toString());
 226                         if (m2Coordinates == null)
 227                                 throw new IllegalArgumentException("No M2 coordinates available for " + bndFile);
 228                         M2Artifact artifact = new M2Artifact(m2Coordinates);
 229                         URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 230                         Path downloaded = downloadMaven(url, artifact);
 231
 232                         Path targetBundleDir = processBndJar(downloaded, targetCategoryBase, fileProps, artifact);
 233                         downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 234
 235                         createJar(targetBundleDir);
 236                 } catch (Exception e) {
 237                         throw new RuntimeException("Cannot process " + bndFile, e);
 238                 }
 239         }
 240
 241         /** Process multiple Maven artifacts. */
 242         void processM2BasedDistributionUnit(Path duDir) {
 243                 try {
 244                         Path categoryRelativePath = descriptorsBase.relativize(duDir.getParent());
 245                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 246
 247                         Path mergeBnd = duDir.resolve(MERGE_BND);
 248                         if (Files.exists(mergeBnd)) // merge
 249                                 mergeM2Artifacts(mergeBnd);
 250
 251                         Path commonBnd = duDir.resolve(COMMON_BND);
 252                         if (!Files.exists(commonBnd))
 253                                 return;
 254
 255                         Properties commonProps = new Properties();
 256                         try (InputStream in = Files.newInputStream(commonBnd)) {
 257                                 commonProps.load(in);
 258                         }
 259
 260                         String m2Version = commonProps.getProperty(ARGEO_ORIGIN_M2.toString());
 261                         if (m2Version == null) {
 262                                 logger.log(WARNING, "Ignoring " + duDir + " as it is not an M2-based distribution unit");
 263                                 return;// ignore, this is probably an Eclipse archive
 264                         }
 265                         if (!m2Version.startsWith(":")) {
 266                                 throw new IllegalStateException("Only the M2 version can be specified: " + m2Version);
 267                         }
 268                         m2Version = m2Version.substring(1);
 269
 270                         DirectoryStream<Path> ds = Files.newDirectoryStream(duDir,
 271                                         (p) -> p.getFileName().toString().endsWith(".bnd") && !p.getFileName().toString().equals(COMMON_BND)
 272                                                         && !p.getFileName().toString().equals(MERGE_BND));
 273                         for (Path p : ds) {
 274                                 Properties fileProps = new Properties();
 275                                 try (InputStream in = Files.newInputStream(p)) {
 276                                         fileProps.load(in);
 277                                 }
 278                                 String m2Coordinates = fileProps.getProperty(ARGEO_ORIGIN_M2.toString());
 279                                 M2Artifact artifact = new M2Artifact(m2Coordinates);
 280                                 artifact.setVersion(m2Version);
 281
 282                                 // prepare manifest entries
 283                                 Properties mergeProps = new Properties();
 284                                 mergeProps.putAll(commonProps);
 285
 286                                 fileEntries: for (Object key : fileProps.keySet()) {
 287                                         if (ManifestConstants.ARGEO_ORIGIN_M2.toString().equals(key))
 288                                                 continue fileEntries;
 289                                         String value = fileProps.getProperty(key.toString());
 290                                         Object previousValue = mergeProps.put(key.toString(), value);
 291                                         if (previousValue != null) {
 292                                                 logger.log(WARNING,
 293                                                                 commonBnd + ": " + key + " was " + previousValue + ", overridden with " + value);
 294                                         }
 295                                 }
 296                                 mergeProps.put(ManifestConstants.ARGEO_ORIGIN_M2.toString(), artifact.toM2Coordinates());
 297                                 if (!mergeProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 298                                         // use file name as symbolic name
 299                                         String symbolicName = p.getFileName().toString();
 300                                         symbolicName = symbolicName.substring(0, symbolicName.length() - ".bnd".length());
 301                                         mergeProps.put(BUNDLE_SYMBOLICNAME.toString(), symbolicName);
 302                                 }
 303
 304                                 String repoStr = mergeProps.containsKey(ARGEO_ORIGIN_M2_REPO.toString())
 305                                                 ? mergeProps.getProperty(ARGEO_ORIGIN_M2_REPO.toString())
 306                                                 : null;
 307
 308                                 // download
 309                                 URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 310                                 Path downloaded = downloadMaven(url, artifact);
 311
 312                                 Path targetBundleDir = processBndJar(downloaded, targetCategoryBase, mergeProps, artifact);
 313                                 downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 314                                 createJar(targetBundleDir);
 315                         }
 316                 } catch (IOException e) {
 317                         throw new RuntimeException("Cannot process " + duDir, e);
 318                 }
 319         }
 320
 321         /** Merge multiple Maven artifacts. */
 322         void mergeM2Artifacts(Path mergeBnd) throws IOException {
 323                 Path duDir = mergeBnd.getParent();
 324                 String category = duDir.getParent().getFileName().toString();
 325                 Path targetCategoryBase = a2Base.resolve(category);
 326
 327                 Properties mergeProps = new Properties();
 328                 try (InputStream in = Files.newInputStream(mergeBnd)) {
 329                         mergeProps.load(in);
 330                 }
 331
 332                 String m2Version = mergeProps.getProperty(ARGEO_ORIGIN_M2.toString());
 333                 if (m2Version == null) {
 334                         logger.log(WARNING, "Ignoring " + duDir + " as it is not an M2-based distribution unit");
 335                         return;// ignore, this is probably an Eclipse archive
 336                 }
 337                 if (!m2Version.startsWith(":")) {
 338                         throw new IllegalStateException("Only the M2 version can be specified: " + m2Version);
 339                 }
 340                 m2Version = m2Version.substring(1);
 341                 mergeProps.put(ManifestConstants.BUNDLE_VERSION.toString(), m2Version);
 342
 343                 String artifactsStr = mergeProps.getProperty(ManifestConstants.ARGEO_ORIGIN_M2_MERGE.toString());
 344                 if (artifactsStr == null)
 345                         throw new IllegalArgumentException(
 346                                         mergeBnd + ": " + ManifestConstants.ARGEO_ORIGIN_M2_MERGE + " must be set");
 347
 348                 String repoStr = mergeProps.containsKey(ARGEO_ORIGIN_M2_REPO.toString())
 349                                 ? mergeProps.getProperty(ARGEO_ORIGIN_M2_REPO.toString())
 350                                 : null;
 351
 352                 String bundleSymbolicName = mergeProps.getProperty(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 353                 if (bundleSymbolicName == null)
 354                         throw new IllegalArgumentException("Bundle-SymbolicName must be set in " + mergeBnd);
 355                 CategoryNameVersion nameVersion = new M2Artifact(category + ":" + bundleSymbolicName + ":" + m2Version);
 356
 357                 Path targetBundleDir = targetCategoryBase.resolve(bundleSymbolicName + "." + nameVersion.getBranch());
 358
 359                 String[] artifacts = artifactsStr.split(",");
 360                 artifacts: for (String str : artifacts) {
 361                         String m2Coordinates = str.trim();
 362                         if ("".equals(m2Coordinates))
 363                                 continue artifacts;
 364                         M2Artifact artifact = new M2Artifact(m2Coordinates.trim());
 365                         if (artifact.getVersion() == null)
 366                                 artifact.setVersion(m2Version);
 367                         URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 368                         Path downloaded = downloadMaven(url, artifact);
 369                         JarEntry entry;
 370                         try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(downloaded), false)) {
 371                                 entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 372                                         if (entry.isDirectory())
 373                                                 continue entries;
 374                                         else if (entry.getName().endsWith(".RSA") || entry.getName().endsWith(".SF"))
 375                                                 continue entries;
 376                                         else if (entry.getName().startsWith("META-INF/versions/"))
 377                                                 continue entries;
 378                                         else if (entry.getName().startsWith("META-INF/maven/"))
 379                                                 continue entries;
 380                                         else if (entry.getName().equals("module-info.class"))
 381                                                 continue entries;
 382                                         else if (entry.getName().equals("META-INF/NOTICE"))
 383                                                 continue entries;
 384                                         else if (entry.getName().equals("META-INF/NOTICE.txt"))
 385                                                 continue entries;
 386                                         else if (entry.getName().equals("META-INF/LICENSE"))
 387                                                 continue entries;
 388                                         else if (entry.getName().equals("META-INF/LICENSE.md"))
 389                                                 continue entries;
 390                                         else if (entry.getName().equals("META-INF/LICENSE-notice.md"))
 391                                                 continue entries;
 392                                         else if (entry.getName().equals("META-INF/DEPENDENCIES"))
 393                                                 continue entries;
 394                                         if (entry.getName().startsWith(".cache/")) // Apache SSHD
 395                                                 continue entries;
 396                                         Path target = targetBundleDir.resolve(entry.getName());
 397                                         Files.createDirectories(target.getParent());
 398                                         if (!Files.exists(target)) {
 399                                                 Files.copy(jarIn, target);
 400                                         } else {
 401                                                 if (entry.getName().startsWith("META-INF/services/")) {
 402                                                         try (OutputStream out = Files.newOutputStream(target, StandardOpenOption.APPEND)) {
 403                                                                 out.write("\n".getBytes());
 404                                                                 jarIn.transferTo(out);
 405                                                                 logger.log(DEBUG, artifact.getArtifactId() + " - Appended " + entry.getName());
 406                                                         }
 407                                                 } else if (entry.getName().startsWith("org/apache/batik/")) {
 408                                                         logger.log(TRACE, "Skip " + entry.getName());
 409                                                         continue entries;
 410                                                 } else {
 411                                                         throw new IllegalStateException("File " + target + " from " + artifact + " already exists");
 412                                                 }
 413                                         }
 414                                         logger.log(TRACE, () -> "Copied " + target);
 415                                 }
 416
 417                         }
 418                         downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 419                 }
 420
 421                 // additional service files
 422                 Path servicesDir = duDir.resolve("services");
 423                 if (Files.exists(servicesDir)) {
 424                         for (Path p : Files.newDirectoryStream(servicesDir)) {
 425                                 Path target = targetBundleDir.resolve("META-INF/services/").resolve(p.getFileName());
 426                                 try (InputStream in = Files.newInputStream(p);
 427                                                 OutputStream out = Files.newOutputStream(target, StandardOpenOption.APPEND);) {
 428                                         out.write("\n".getBytes());
 429                                         in.transferTo(out);
 430                                         logger.log(DEBUG, "Appended " + p);
 431                                 }
 432                         }
 433                 }
 434
 435                 Map<String, String> entries = new TreeMap<>();
 436                 try (Analyzer bndAnalyzer = new Analyzer()) {
 437                         bndAnalyzer.setProperties(mergeProps);
 438                         Jar jar = new Jar(targetBundleDir.toFile());
 439                         bndAnalyzer.setJar(jar);
 440                         Manifest manifest = bndAnalyzer.calcManifest();
 441
 442                         keys: for (Object key : manifest.getMainAttributes().keySet()) {
 443                                 Object value = manifest.getMainAttributes().get(key);
 444
 445                                 switch (key.toString()) {
 446                                 case "Tool":
 447                                 case "Bnd-LastModified":
 448                                 case "Created-By":
 449                                         continue keys;
 450                                 }
 451                                 if ("Require-Capability".equals(key.toString())
 452                                                 && value.toString().equals("osgi.ee;filter:=\"(&(osgi.ee=JavaSE)(version=1.1))\""))
 453                                         continue keys;// hack for very old classes
 454                                 entries.put(key.toString(), value.toString());
 455                         }
 456                 } catch (Exception e) {
 457                         throw new RuntimeException("Cannot process " + mergeBnd, e);
 458                 }
 459
 460                 Manifest manifest = new Manifest();
 461                 Path manifestPath = targetBundleDir.resolve("META-INF/MANIFEST.MF");
 462                 Files.createDirectories(manifestPath.getParent());
 463                 for (String key : entries.keySet()) {
 464                         String value = entries.get(key);
 465                         manifest.getMainAttributes().putValue(key, value);
 466                 }
 467
 468                 try (OutputStream out = Files.newOutputStream(manifestPath)) {
 469                         manifest.write(out);
 470                 }
 471                 createJar(targetBundleDir);
 472         }
 473
 474         /** Generate MANIFEST using BND. */
 475         Path processBndJar(Path downloaded, Path targetCategoryBase, Properties fileProps, M2Artifact artifact) {
 476
 477                 try {
 478                         Map<String, String> additionalEntries = new TreeMap<>();
 479                         boolean doNotModify = Boolean.parseBoolean(fileProps
 480                                         .getOrDefault(ManifestConstants.ARGEO_ORIGIN_MANIFEST_NOT_MODIFIED.toString(), "false").toString());
 481
 482                         // we always force the symbolic name
 483
 484                         if (doNotModify) {
 485                                 fileEntries: for (Object key : fileProps.keySet()) {
 486                                         if (ManifestConstants.ARGEO_ORIGIN_M2.toString().equals(key))
 487                                                 continue fileEntries;
 488                                         String value = fileProps.getProperty(key.toString());
 489                                         additionalEntries.put(key.toString(), value);
 490                                 }
 491                         } else {
 492                                 if (artifact != null) {
 493                                         if (!fileProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 494                                                 fileProps.put(BUNDLE_SYMBOLICNAME.toString(), artifact.getName());
 495                                         }
 496                                         if (!fileProps.containsKey(BUNDLE_VERSION.toString())) {
 497                                                 fileProps.put(BUNDLE_VERSION.toString(), artifact.getVersion());
 498                                         }
 499                                 }
 500
 501                                 if (!fileProps.containsKey(EXPORT_PACKAGE.toString())) {
 502                                         fileProps.put(EXPORT_PACKAGE.toString(),
 503                                                         "*;version=\"" + fileProps.getProperty(BUNDLE_VERSION.toString()) + "\"");
 504                                 }
 505
 506                                 try (Analyzer bndAnalyzer = new Analyzer()) {
 507                                         bndAnalyzer.setProperties(fileProps);
 508                                         Jar jar = new Jar(downloaded.toFile());
 509                                         bndAnalyzer.setJar(jar);
 510                                         Manifest manifest = bndAnalyzer.calcManifest();
 511
 512                                         keys: for (Object key : manifest.getMainAttributes().keySet()) {
 513                                                 Object value = manifest.getMainAttributes().get(key);
 514
 515                                                 switch (key.toString()) {
 516                                                 case "Tool":
 517                                                 case "Bnd-LastModified":
 518                                                 case "Created-By":
 519                                                         continue keys;
 520                                                 }
 521                                                 if ("Require-Capability".equals(key.toString())
 522                                                                 && value.toString().equals("osgi.ee;filter:=\"(&(osgi.ee=JavaSE)(version=1.1))\""))
 523                                                         continue keys;// !! hack for very old classes
 524                                                 additionalEntries.put(key.toString(), value.toString());
 525                                         }
 526                                 }
 527                         }
 528                         Path targetBundleDir = processBundleJar(downloaded, targetCategoryBase, additionalEntries);
 529                         logger.log(DEBUG, () -> "Processed " + downloaded);
 530                         return targetBundleDir;
 531                 } catch (Exception e) {
 532                         throw new RuntimeException("Cannot BND process " + downloaded, e);
 533                 }
 534
 535         }
 536
 537         /** Download and integrates sources for a single Maven artifact. */
 538         void downloadAndProcessM2Sources(String repoStr, M2Artifact artifact, Path targetBundleDir) throws IOException {
 539                 try {
 540                         M2Artifact sourcesArtifact = new M2Artifact(artifact.toM2Coordinates(), "sources");
 541                         URL sourcesUrl = M2ConventionsUtils.mavenRepoUrl(repoStr, sourcesArtifact);
 542                         Path sourcesDownloaded = downloadMaven(sourcesUrl, artifact, true);
 543                         processM2SourceJar(sourcesDownloaded, targetBundleDir);
 544                         logger.log(TRACE, () -> "Processed source " + sourcesDownloaded);
 545                 } catch (Exception e) {
 546                         logger.log(ERROR, () -> "Cannot download source for  " + artifact);
 547                 }
 548
 549         }
 550
 551         /** Integrate sources from a downloaded jar file. */
 552         void processM2SourceJar(Path file, Path targetBundleDir) throws IOException {
 553                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 554                         Path targetSourceDir = sourceBundles
 555                                         ? targetBundleDir.getParent().resolve(targetBundleDir.toString() + ".src")
 556                                         : targetBundleDir.resolve("OSGI-OPT/src");
 557
 558                         Files.createDirectories(targetSourceDir);
 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(TRACE, () -> "Copied source " + target);
 574                                 } else {
 575                                         logger.log(TRACE, () -> target + " already exists, skipping...");
 576                                 }
 577                         }
 578                 }
 579
 580         }
 581
 582         /** Download a Maven artifact. */
 583         Path downloadMaven(URL url, M2Artifact artifact) throws IOException {
 584                 return downloadMaven(url, artifact, false);
 585         }
 586
 587         /** Download a Maven artifact. */
 588         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         /** Process an archive in Eclipse format. */
 598         void processEclipseArchive(Path duDir) {
 599                 try {
 600                         Path categoryRelativePath = descriptorsBase.relativize(duDir.getParent());
 601                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 602                         Files.createDirectories(targetCategoryBase);
 603                         // first delete all directories from previous builds
 604                         for (Path dir : Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p)))
 605                                 deleteDirectory(dir);
 606
 607                         Files.createDirectories(originBase);
 608
 609                         Path commonBnd = duDir.resolve(COMMON_BND);
 610                         Properties commonProps = new Properties();
 611                         try (InputStream in = Files.newInputStream(commonBnd)) {
 612                                 commonProps.load(in);
 613                         }
 614                         String url = commonProps.getProperty(ManifestConstants.ARGEO_ORIGIN_URI.toString());
 615                         if (url == null) {
 616                                 url = uris.getProperty(duDir.getFileName().toString());
 617                                 if (url == null)
 618                                         throw new IllegalStateException("No url available for " + duDir);
 619                                 commonProps.put(ManifestConstants.ARGEO_ORIGIN_URI.toString(), url);
 620                         }
 621                         Path downloaded = tryDownloadArchive(url, originBase);
 622
 623                         FileSystem zipFs = FileSystems.newFileSystem(downloaded, (ClassLoader) null);
 624
 625                         // filters
 626                         List<PathMatcher> includeMatchers = new ArrayList<>();
 627                         Properties includes = new Properties();
 628                         try (InputStream in = Files.newInputStream(duDir.resolve("includes.properties"))) {
 629                                 includes.load(in);
 630                         }
 631                         for (Object pattern : includes.keySet()) {
 632                                 PathMatcher pathMatcher = zipFs.getPathMatcher("glob:/" + pattern);
 633                                 includeMatchers.add(pathMatcher);
 634                         }
 635
 636                         List<PathMatcher> excludeMatchers = new ArrayList<>();
 637                         Path excludeFile = duDir.resolve("excludes.properties");
 638                         if (Files.exists(excludeFile)) {
 639                                 Properties excludes = new Properties();
 640                                 try (InputStream in = Files.newInputStream(excludeFile)) {
 641                                         excludes.load(in);
 642                                 }
 643                                 for (Object pattern : excludes.keySet()) {
 644                                         PathMatcher pathMatcher = zipFs.getPathMatcher("glob:/" + pattern);
 645                                         excludeMatchers.add(pathMatcher);
 646                                 }
 647                         }
 648
 649                         Files.walkFileTree(zipFs.getRootDirectories().iterator().next(), new SimpleFileVisitor<Path>() {
 650
 651                                 @Override
 652                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 653                                         includeMatchers: for (PathMatcher includeMatcher : includeMatchers) {
 654                                                 if (includeMatcher.matches(file)) {
 655                                                         for (PathMatcher excludeMatcher : excludeMatchers) {
 656                                                                 if (excludeMatcher.matches(file)) {
 657                                                                         logger.log(TRACE, "Skipping excluded " + file);
 658                                                                         return FileVisitResult.CONTINUE;
 659                                                                 }
 660                                                         }
 661                                                         if (file.getFileName().toString().contains(".source_")) {
 662                                                                 processEclipseSourceJar(file, targetCategoryBase);
 663                                                                 logger.log(DEBUG, () -> "Processed source " + file);
 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(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         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_SOURCE_BUNDLE.toString())
 697                                                 .split(";");
 698                                 String version = relatedBundle[1].substring("version=\"".length());
 699                                 version = version.substring(0, version.length() - 1);
 700                                 NameVersion nameVersion = new NameVersion(relatedBundle[0], version);
 701                                 targetBundleDir = targetBase.resolve(nameVersion.getName() + "." + nameVersion.getBranch());
 702
 703                                 Path targetSourceDir = sourceBundles
 704                                                 ? targetBundleDir.getParent().resolve(targetBundleDir.toString() + ".src")
 705                                                 : targetBundleDir.resolve("OSGI-OPT/src");
 706
 707                                 Files.createDirectories(targetSourceDir);
 708                                 JarEntry entry;
 709                                 entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 710                                         if (entry.isDirectory())
 711                                                 continue entries;
 712                                         if (entry.getName().startsWith("META-INF"))// skip META-INF entries
 713                                                 continue entries;
 714                                         Path target = targetSourceDir.resolve(entry.getName());
 715                                         Files.createDirectories(target.getParent());
 716                                         Files.copy(jarIn, target);
 717                                         logger.log(TRACE, () -> "Copied source " + target);
 718                                 }
 719                         }
 720                 } catch (IOException e) {
 721                         throw new IllegalStateException("Cannot process " + file, e);
 722                 }
 723         }
 724
 725         /*
 726          * COMMON PROCESSING
 727          */
 728         /** Normalise a bundle. */
 729         Path processBundleJar(Path file, Path targetBase, Map<String, String> entries) throws IOException {
 730                 NameVersion nameVersion;
 731                 Path targetBundleDir;
 732                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 733                         Manifest sourceManifest = jarIn.getManifest();
 734                         Manifest manifest = sourceManifest != null ? new Manifest(sourceManifest) : new Manifest();
 735
 736                         // singleton
 737                         boolean isSingleton = false;
 738                         String rawSourceSymbolicName = manifest.getMainAttributes()
 739                                         .getValue(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 740                         if (rawSourceSymbolicName != null) {
 741                                 // make sure there is no directive
 742                                 String[] arr = rawSourceSymbolicName.split(";");
 743                                 for (int i = 1; i < arr.length; i++) {
 744                                         if (arr[i].trim().equals("singleton:=true"))
 745                                                 isSingleton = true;
 746                                         logger.log(DEBUG, file.getFileName() + " is a singleton");
 747                                 }
 748                         }
 749                         // remove problematic entries in MANIFEST
 750                         manifest.getEntries().clear();
 751
 752                         String ourSymbolicName = entries.get(BUNDLE_SYMBOLICNAME.toString());
 753                         String ourVersion = entries.get(BUNDLE_VERSION.toString());
 754
 755                         if (ourSymbolicName != null && ourVersion != null) {
 756                                 nameVersion = new NameVersion(ourSymbolicName, ourVersion);
 757                         } else {
 758                                 nameVersion = nameVersionFromManifest(manifest);
 759                                 if (ourVersion != null && !nameVersion.getVersion().equals(ourVersion)) {
 760                                         logger.log(WARNING,
 761                                                         "Original version is " + nameVersion.getVersion() + " while new version is " + ourVersion);
 762                                         entries.put(BUNDLE_VERSION.toString(), ourVersion);
 763                                 }
 764                                 if (ourSymbolicName != null) {
 765                                         // we always force our symbolic name
 766                                         nameVersion.setName(ourSymbolicName);
 767                                 }
 768                         }
 769                         targetBundleDir = targetBase.resolve(nameVersion.getName() + "." + nameVersion.getBranch());
 770
 771                         // force Java 9 module name
 772                         entries.put(ManifestConstants.AUTOMATIC_MODULE_NAME.toString(), nameVersion.getName());
 773
 774                         boolean isNative = false;
 775                         String os = null;
 776                         String arch = null;
 777                         if (targetBundleDir.startsWith(a2LibBase)) {
 778                                 isNative = true;
 779                                 Path libRelativePath = a2LibBase.relativize(targetBundleDir);
 780                                 os = libRelativePath.getName(0).toString();
 781                                 arch = libRelativePath.getName(1).toString();
 782                         }
 783
 784                         // copy entries
 785                         JarEntry entry;
 786                         entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 787                                 if (entry.isDirectory())
 788                                         continue entries;
 789                                 if (entry.getName().endsWith(".RSA") || entry.getName().endsWith(".SF"))
 790                                         continue entries;
 791                                 if (entry.getName().endsWith("module-info.class")) // skip Java 9 module info
 792                                         continue entries;
 793                                 if (entry.getName().startsWith("META-INF/versions/")) // skip multi-version
 794                                         continue entries;
 795                                 // skip file system providers as they cause issues with native image
 796                                 if (entry.getName().startsWith("META-INF/services/java.nio.file.spi.FileSystemProvider"))
 797                                         continue entries;
 798                                 if (entry.getName().startsWith("OSGI-OPT/src/")) // skip embedded sources
 799                                         continue entries;
 800                                 Path target = targetBundleDir.resolve(entry.getName());
 801                                 Files.createDirectories(target.getParent());
 802                                 Files.copy(jarIn, target);
 803
 804                                 // native libraries
 805                                 if (isNative && (entry.getName().endsWith(".so") || entry.getName().endsWith(".dll")
 806                                                 || entry.getName().endsWith(".jnilib"))) {
 807                                         Path categoryDir = targetBundleDir.getParent();
 808                                         boolean copyDll = false;
 809                                         Path targetDll = categoryDir.resolve(targetBundleDir.relativize(target));
 810                                         if (nameVersion.getName().equals("com.sun.jna")) {
 811                                                 if (arch.equals("x86_64"))
 812                                                         arch = "x86-64";
 813                                                 if (os.equals("macosx"))
 814                                                         os = "darwin";
 815                                                 if (target.getParent().getFileName().toString().equals(os + "-" + arch)) {
 816                                                         copyDll = true;
 817                                                 }
 818                                                 targetDll = categoryDir.resolve(target.getFileName());
 819                                         } else {
 820                                                 copyDll = true;
 821                                         }
 822                                         if (copyDll) {
 823                                                 Files.createDirectories(targetDll.getParent());
 824                                                 if (Files.exists(targetDll))
 825                                                         Files.delete(targetDll);
 826                                                 Files.copy(target, targetDll);
 827                                         }
 828                                         Files.delete(target);
 829                                 }
 830                                 logger.log(TRACE, () -> "Copied " + target);
 831                         }
 832
 833                         // copy MANIFEST
 834                         Path manifestPath = targetBundleDir.resolve("META-INF/MANIFEST.MF");
 835                         Files.createDirectories(manifestPath.getParent());
 836
 837                         if (isSingleton && entries.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 838                                 entries.put(BUNDLE_SYMBOLICNAME.toString(),
 839                                                 entries.get(BUNDLE_SYMBOLICNAME.toString()) + ";singleton:=true");
 840                         }
 841
 842                         // Final MANIFEST decisions
 843                         // This also where we check the original OSGi metadata and compare with our
 844                         // changes
 845                         for (String key : entries.keySet()) {
 846                                 String value = entries.get(key);
 847                                 String previousValue = manifest.getMainAttributes().getValue(key);
 848                                 boolean wasDifferent = previousValue != null && !previousValue.equals(value);
 849                                 boolean keepPrevious = false;
 850                                 if (wasDifferent) {
 851                                         if (SPDX_LICENSE_IDENTIFIER.toString().equals(key) && previousValue != null)
 852                                                 keepPrevious = true;
 853                                         else if (BUNDLE_VERSION.toString().equals(key) && wasDifferent)
 854                                                 if (previousValue.equals(value + ".0")) // typically a Maven first release
 855                                                         keepPrevious = true;
 856
 857                                         if (keepPrevious) {
 858                                                 if (logger.isLoggable(TRACE))
 859                                                         logger.log(TRACE, file.getFileName() + ": " + key + " was NOT modified, value kept is "
 860                                                                         + previousValue + ", not overriden with " + value);
 861                                                 value = previousValue;
 862                                         }
 863                                 }
 864
 865                                 manifest.getMainAttributes().putValue(key, value);
 866                                 if (wasDifferent && !keepPrevious) {
 867                                         if (IMPORT_PACKAGE.toString().equals(key) || EXPORT_PACKAGE.toString().equals(key))
 868                                                 logger.log(TRACE, () -> file.getFileName() + ": " + key + " was modified");
 869                                         else
 870                                                 logger.log(WARNING, file.getFileName() + ": " + key + " was " + previousValue
 871                                                                 + ", overridden with " + value);
 872                                 }
 873
 874                                 // !! hack to remove unresolvable
 875                                 if (key.equals("Provide-Capability") || key.equals("Require-Capability"))
 876                                         if (nameVersion.getName().equals("osgi.core") || nameVersion.getName().equals("osgi.cmpn")) {
 877                                                 manifest.getMainAttributes().remove(key);
 878                                         }
 879                         }
 880
 881                         // last checks
 882                         String spdxLicenceId = manifest.getMainAttributes().getValue(SPDX_LICENSE_IDENTIFIER.toString());
 883                         String bundleLicense = manifest.getMainAttributes().getValue(BUNDLE_LICENSE.toString());
 884                         if (spdxLicenceId == null) {
 885                                 logger.log(WARNING, file.getFileName() + ": " + SPDX_LICENSE_IDENTIFIER + " not available, "
 886                                                 + BUNDLE_LICENSE + " is " + bundleLicense);
 887                         } else {
 888                                 if (!licensesUsed.containsKey(spdxLicenceId))
 889                                         licensesUsed.put(spdxLicenceId, new TreeSet<>());
 890                                 licensesUsed.get(spdxLicenceId).add(file.getFileName().toString());
 891                         }
 892
 893                         try (OutputStream out = Files.newOutputStream(manifestPath)) {
 894                                 manifest.write(out);
 895                         }
 896                 }
 897                 return targetBundleDir;
 898         }
 899
 900         /*
 901          * UTILITIES
 902          */
 903         /** Recursively deletes a directory. */
 904         static void deleteDirectory(Path path) throws IOException {
 905                 if (!Files.exists(path))
 906                         return;
 907                 Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
 908                         @Override
 909                         public FileVisitResult postVisitDirectory(Path directory, IOException e) throws IOException {
 910                                 if (e != null)
 911                                         throw e;
 912                                 Files.delete(directory);
 913                                 return CONTINUE;
 914                         }
 915
 916                         @Override
 917                         public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 918                                 Files.delete(file);
 919                                 return CONTINUE;
 920                         }
 921                 });
 922         }
 923
 924         /** Extract name/version from a MANIFEST. */
 925         NameVersion nameVersionFromManifest(Manifest manifest) {
 926                 Attributes attrs = manifest.getMainAttributes();
 927                 // symbolic name
 928                 String symbolicName = attrs.getValue(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 929                 if (symbolicName == null)
 930                         return null;
 931                 // make sure there is no directive
 932                 symbolicName = symbolicName.split(";")[0];
 933
 934                 String version = attrs.getValue(ManifestConstants.BUNDLE_VERSION.toString());
 935                 return new NameVersion(symbolicName, version);
 936         }
 937
 938         /** Try to download from an URI. */
 939         Path tryDownloadArchive(String uri, Path dir) throws IOException {
 940                 // find mirror
 941                 List<String> urlBases = null;
 942                 String uriPrefix = null;
 943                 uriPrefixes: for (String uriPref : mirrors.keySet()) {
 944                         if (uri.startsWith(uriPref)) {
 945                                 if (mirrors.get(uriPref).size() > 0) {
 946                                         urlBases = mirrors.get(uriPref);
 947                                         uriPrefix = uriPref;
 948                                         break uriPrefixes;
 949                                 }
 950                         }
 951                 }
 952                 if (urlBases == null)
 953                         try {
 954                                 return downloadArchive(new URL(uri), dir);
 955                         } catch (FileNotFoundException e) {
 956                                 throw new FileNotFoundException("Cannot find " + uri);
 957                         }
 958
 959                 // try to download
 960                 for (String urlBase : urlBases) {
 961                         String relativePath = uri.substring(uriPrefix.length());
 962                         URL url = new URL(urlBase + relativePath);
 963                         try {
 964                                 return downloadArchive(url, dir);
 965                         } catch (FileNotFoundException e) {
 966                                 logger.log(WARNING, "Cannot download " + url + ", trying another mirror");
 967                         }
 968                 }
 969                 throw new FileNotFoundException("Cannot find " + uri);
 970         }
 971
 972         /**
 973          * Effectively download. Synchronised in order to avoid downloading twice in
 974          * parallel.
 975          */
 976         synchronized Path downloadArchive(URL url, Path dir) throws IOException {
 977                 return download(url, dir, (String) null);
 978         }
 979
 980         /** Effectively download. */
 981         Path download(URL url, Path dir, String name) throws IOException {
 982
 983                 Path dest;
 984                 if (name == null) {
 985                         // We use also use parent directory in case the archive itself has a fixed name
 986                         String[] segments = url.getPath().split("/");
 987                         name = segments.length > 1 ? segments[segments.length - 2] + '-' + segments[segments.length - 1]
 988                                         : segments[segments.length - 1];
 989                 }
 990
 991                 dest = dir.resolve(name);
 992                 if (Files.exists(dest)) {
 993                         logger.log(TRACE, () -> "File " + dest + " already exists for " + url + ", not downloading again");
 994                         return dest;
 995                 } else {
 996                         Files.createDirectories(dest.getParent());
 997                 }
 998
 999                 try (InputStream in = url.openStream()) {
1000                         Files.copy(in, dest);
1001                         logger.log(DEBUG, () -> "Downloaded " + dest + " from " + url);
1002                 }
1003                 return dest;
1004         }
1005
1006         /** Create a JAR file from a directory. */
1007         Path createJar(Path bundleDir) throws IOException {
1008                 // Create the jar
1009                 Path jarPath = bundleDir.getParent().resolve(bundleDir.getFileName() + ".jar");
1010                 Path manifestPath = bundleDir.resolve("META-INF/MANIFEST.MF");
1011                 Manifest manifest;
1012                 try (InputStream in = Files.newInputStream(manifestPath)) {
1013                         manifest = new Manifest(in);
1014                 }
1015                 try (JarOutputStream jarOut = new JarOutputStream(Files.newOutputStream(jarPath), manifest)) {
1016                         jarOut.setLevel(Deflater.DEFAULT_COMPRESSION);
1017                         Files.walkFileTree(bundleDir, new SimpleFileVisitor<Path>() {
1018
1019                                 @Override
1020                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
1021                                         if (file.getFileName().toString().equals("MANIFEST.MF"))
1022                                                 return super.visitFile(file, attrs);
1023                                         JarEntry entry = new JarEntry(
1024                                                         bundleDir.relativize(file).toString().replace(File.separatorChar, '/'));
1025                                         jarOut.putNextEntry(entry);
1026                                         Files.copy(file, jarOut);
1027                                         return super.visitFile(file, attrs);
1028                                 }
1029
1030                         });
1031                 }
1032                 deleteDirectory(bundleDir);
1033
1034                 if (sourceBundles) {
1035                         Path bundleCategoryDir = bundleDir.getParent();
1036                         Path sourceDir = bundleCategoryDir.resolve(bundleDir.toString() + ".src");
1037                         if (!Files.exists(sourceDir)) {
1038                                 logger.log(WARNING, sourceDir + " does not exist, skipping...");
1039                                 return jarPath;
1040
1041                         }
1042
1043                         Path relPath = a2Base.relativize(bundleCategoryDir);
1044                         Path srcCategoryDir = a2SrcBase.resolve(relPath);
1045                         Path srcJarP = srcCategoryDir.resolve(sourceDir.getFileName() + ".jar");
1046                         Files.createDirectories(srcJarP.getParent());
1047
1048                         String bundleSymbolicName = manifest.getMainAttributes().getValue("Bundle-SymbolicName").toString();
1049                         // in case there are additional directives
1050                         bundleSymbolicName = bundleSymbolicName.split(";")[0];
1051                         Manifest srcManifest = new Manifest();
1052                         srcManifest.getMainAttributes().put(MANIFEST_VERSION, "1.0");
1053                         srcManifest.getMainAttributes().putValue(BUNDLE_SYMBOLICNAME.toString(), bundleSymbolicName + ".src");
1054                         srcManifest.getMainAttributes().putValue(BUNDLE_VERSION.toString(),
1055                                         manifest.getMainAttributes().getValue(BUNDLE_VERSION.toString()).toString());
1056                         srcManifest.getMainAttributes().putValue(ECLIPSE_SOURCE_BUNDLE.toString(), bundleSymbolicName
1057                                         + ";version=\"" + manifest.getMainAttributes().getValue(BUNDLE_VERSION.toString()));
1058
1059                         try (JarOutputStream srcJarOut = new JarOutputStream(Files.newOutputStream(srcJarP), srcManifest)) {
1060                                 srcJarOut.setLevel(Deflater.BEST_COMPRESSION);
1061                                 Files.walkFileTree(sourceDir, new SimpleFileVisitor<Path>() {
1062
1063                                         @Override
1064                                         public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
1065                                                 if (file.getFileName().toString().equals("MANIFEST.MF"))
1066                                                         return super.visitFile(file, attrs);
1067                                                 JarEntry entry = new JarEntry(
1068                                                                 sourceDir.relativize(file).toString().replace(File.separatorChar, '/'));
1069                                                 srcJarOut.putNextEntry(entry);
1070                                                 Files.copy(file, srcJarOut);
1071                                                 return super.visitFile(file, attrs);
1072                                         }
1073
1074                                 });
1075                         }
1076                         deleteDirectory(sourceDir);
1077                 }
1078
1079                 return jarPath;
1080         }
1081
1082         /** MANIFEST headers. */
1083         enum ManifestConstants {
1084                 // OSGi
1085                 /** OSGi bundle symbolic name. */
1086                 BUNDLE_SYMBOLICNAME("Bundle-SymbolicName"), //
1087                 /** OSGi bundle version. */
1088                 BUNDLE_VERSION("Bundle-Version"), //
1089                 /** OSGi bundle license. */
1090                 BUNDLE_LICENSE("Bundle-License"), //
1091                 /** OSGi exported packages list. */
1092                 EXPORT_PACKAGE("Export-Package"), //
1093                 /** OSGi imported packages list. */
1094                 IMPORT_PACKAGE("Import-Package"), //
1095                 // Java
1096                 /** Java module name. */
1097                 AUTOMATIC_MODULE_NAME("Automatic-Module-Name"), //
1098                 // Eclipse
1099                 /** Eclipse source bundle. */
1100                 ECLIPSE_SOURCE_BUNDLE("Eclipse-SourceBundle"), //
1101                 // SPDX
1102                 /**
1103                  * SPDX license identifier.
1104                  *
1105                  * @see https://spdx.org/licenses/
1106                  */
1107                 SPDX_LICENSE_IDENTIFIER("SPDX-License-Identifier"), //
1108                 // Argeo Origin
1109                 /**
1110                  * Maven coordinates of the origin, possibly partial when using common.bnd or
1111                  * merge.bnd.
1112                  */
1113                 ARGEO_ORIGIN_M2("Argeo-Origin-M2"), //
1114                 /** List of Maven coordinates to merge. */
1115                 ARGEO_ORIGIN_M2_MERGE("Argeo-Origin-M2-Merge"), //
1116                 /** Maven repository if not the default one. */
1117                 ARGEO_ORIGIN_M2_REPO("Argeo-Origin-M2-Repo"), //
1118                 /**
1119                  * Do not perform BND analysis of the origin component. Typically IMport_package
1120                  * and Export-Package will be kept untouched.
1121                  */
1122                 ARGEO_ORIGIN_MANIFEST_NOT_MODIFIED("Argeo-Origin-ManifestNotModified"), //
1123                 /**
1124                  * Origin (non-Maven) URI of the component. It may be anything (jar, archive,
1125                  * etc.).
1126                  */
1127                 ARGEO_ORIGIN_URI("Argeo-Origin-URI"), //
1128                 ;
1129
1130                 final String value;
1131
1132                 private ManifestConstants(String value) {
1133                         this.value = value;
1134                 }
1135
1136                 @Override
1137                 public String toString() {
1138                         return value;
1139                 }
1140         }
1141 }
1142
1143 /** Simple representation of an M2 artifact. */
1144 class M2Artifact extends CategoryNameVersion {
1145         private String classifier;
1146
1147         M2Artifact(String m2coordinates) {
1148                 this(m2coordinates, null);
1149         }
1150
1151         M2Artifact(String m2coordinates, String classifier) {
1152                 String[] parts = m2coordinates.split(":");
1153                 setCategory(parts[0]);
1154                 setName(parts[1]);
1155                 if (parts.length > 2) {
1156                         setVersion(parts[2]);
1157                 }
1158                 this.classifier = classifier;
1159         }
1160
1161         String getGroupId() {
1162                 return super.getCategory();
1163         }
1164
1165         String getArtifactId() {
1166                 return super.getName();
1167         }
1168
1169         String toM2Coordinates() {
1170                 return getCategory() + ":" + getName() + (getVersion() != null ? ":" + getVersion() : "");
1171         }
1172
1173         String getClassifier() {
1174                 return classifier != null ? classifier : "";
1175         }
1176
1177         String getExtension() {
1178                 return "jar";
1179         }
1180 }
1181
1182 /** Utilities around Maven (conventions based). */
1183 class M2ConventionsUtils {
1184         final static String MAVEN_CENTRAL_BASE_URL = "https://repo1.maven.org/maven2/";
1185
1186         /** The file name of this artifact when stored */
1187         static String artifactFileName(M2Artifact artifact) {
1188                 return artifact.getArtifactId() + '-' + artifact.getVersion()
1189                                 + (artifact.getClassifier().equals("") ? "" : '-' + artifact.getClassifier()) + '.'
1190                                 + artifact.getExtension();
1191         }
1192
1193         /** Absolute path to the file */
1194         static String artifactPath(String artifactBasePath, M2Artifact artifact) {
1195                 return artifactParentPath(artifactBasePath, artifact) + '/' + artifactFileName(artifact);
1196         }
1197
1198         /** Absolute path to the file */
1199         static String artifactUrl(String repoUrl, M2Artifact artifact) {
1200                 if (repoUrl.endsWith("/"))
1201                         return repoUrl + artifactPath("/", artifact).substring(1);
1202                 else
1203                         return repoUrl + artifactPath("/", artifact);
1204         }
1205
1206         /** Absolute path to the file */
1207         static URL mavenRepoUrl(String repoBase, M2Artifact artifact) {
1208                 String url = artifactUrl(repoBase == null ? MAVEN_CENTRAL_BASE_URL : repoBase, artifact);
1209                 try {
1210                         return new URL(url);
1211                 } catch (MalformedURLException e) {
1212                         // it should not happen
1213                         throw new IllegalStateException(e);
1214                 }
1215         }
1216
1217         /** Absolute path to the directories where the files will be stored */
1218         static String artifactParentPath(String artifactBasePath, M2Artifact artifact) {
1219                 return artifactBasePath + (artifactBasePath.endsWith("/") ? "" : "/") + artifactParentPath(artifact);
1220         }
1221
1222         /** Relative path to the directories where the files will be stored */
1223         static String artifactParentPath(M2Artifact artifact) {
1224                 return artifact.getGroupId().replace('.', '/') + '/' + artifact.getArtifactId() + '/' + artifact.getVersion();
1225         }
1226
1227         /** Singleton */
1228         private M2ConventionsUtils() {
1229         }
1230 }
1231
1232 /** Combination of a category, a name and a version. */
1233 class CategoryNameVersion extends NameVersion {
1234         private String category;
1235
1236         CategoryNameVersion() {
1237         }
1238
1239         CategoryNameVersion(String category, String name, String version) {
1240                 super(name, version);
1241                 this.category = category;
1242         }
1243
1244         CategoryNameVersion(String category, NameVersion nameVersion) {
1245                 super(nameVersion);
1246                 this.category = category;
1247         }
1248
1249         String getCategory() {
1250                 return category;
1251         }
1252
1253         void setCategory(String category) {
1254                 this.category = category;
1255         }
1256
1257         @Override
1258         public String toString() {
1259                 return category + ":" + super.toString();
1260         }
1261
1262 }
1263
1264 /** Combination of a name and a version. */
1265 class NameVersion implements Comparable<NameVersion> {
1266         private String name;
1267         private String version;
1268
1269         NameVersion() {
1270         }
1271
1272         /** Interprets string in OSGi-like format my.module.name;version=0.0.0 */
1273         NameVersion(String nameVersion) {
1274                 int index = nameVersion.indexOf(";version=");
1275                 if (index < 0) {
1276                         setName(nameVersion);
1277                         setVersion(null);
1278                 } else {
1279                         setName(nameVersion.substring(0, index));
1280                         setVersion(nameVersion.substring(index + ";version=".length()));
1281                 }
1282         }
1283
1284         NameVersion(String name, String version) {
1285                 this.name = name;
1286                 this.version = version;
1287         }
1288
1289         NameVersion(NameVersion nameVersion) {
1290                 this.name = nameVersion.getName();
1291                 this.version = nameVersion.getVersion();
1292         }
1293
1294         String getName() {
1295                 return name;
1296         }
1297
1298         void setName(String name) {
1299                 this.name = name;
1300         }
1301
1302         String getVersion() {
1303                 return version;
1304         }
1305
1306         void setVersion(String version) {
1307                 this.version = version;
1308         }
1309
1310         String getBranch() {
1311                 String[] parts = getVersion().split("\\.");
1312                 if (parts.length < 2)
1313                         throw new IllegalStateException("Version " + getVersion() + " cannot be interpreted as branch.");
1314                 return parts[0] + "." + parts[1];
1315         }
1316
1317         @Override
1318         public boolean equals(Object obj) {
1319                 if (obj instanceof NameVersion) {
1320                         NameVersion nameVersion = (NameVersion) obj;
1321                         return name.equals(nameVersion.getName()) && version.equals(nameVersion.getVersion());
1322                 } else
1323                         return false;
1324         }
1325
1326         @Override
1327         public int hashCode() {
1328                 return name.hashCode();
1329         }
1330
1331         @Override
1332         public String toString() {
1333                 return name + ":" + version;
1334         }
1335
1336         public int compareTo(NameVersion o) {
1337                 if (o.getName().equals(name))
1338                         return version.compareTo(o.getVersion());
1339                 else
1340                         return name.compareTo(o.getName());
1341         }
1342 }