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                 // Summary
 101                 StringBuilder sb = new StringBuilder();
 102                 for (String licenseId : licensesUsed.keySet())
 103                         for (String name : licensesUsed.get(licenseId))
 104                                 sb.append(licenseId + "\t" + name + "\n");
 105                 logger.log(INFO, "# License summary:\n" + sb);
 106         }
 107
 108         final static String COMMON_BND = "common.bnd";
 109         final static String MERGE_BND = "merge.bnd";
 110
 111         /** Directory where to download archives */
 112         Path originBase;
 113         /** Directory where to download Maven artifacts */
 114         Path mavenBase;
 115
 116         /** A2 repository base for binary bundles */
 117         Path a2Base;
 118         /** A2 repository base for source bundles */
 119         Path a2SrcBase;
 120         /** A2 base for native components */
 121         Path a2LibBase;
 122         /** Location of the descriptors driving the packaging */
 123         Path descriptorsBase;
 124         /** URIs of archives to download */
 125         Properties uris = new Properties();
 126         /** Mirrors for archive download. Key is URI prefix, value list of base URLs */
 127         Map<String, List<String>> mirrors = new HashMap<String, List<String>>();
 128
 129         /** Whether sources should be packaged separately */
 130         final boolean sourceBundles;
 131
 132         /** Constructor initialises the various variables */
 133         public Repackage(Path a2Base, Path descriptorsBase) {
 134                 sourceBundles = Boolean.parseBoolean(System.getenv(ENV_SOURCE_BUNDLES));
 135                 if (sourceBundles)
 136                         logger.log(INFO, "Sources will be packaged separately");
 137
 138                 Objects.requireNonNull(a2Base);
 139                 Objects.requireNonNull(descriptorsBase);
 140                 this.originBase = Paths.get(System.getProperty("user.home"), ".cache", "argeo/build/origin");
 141                 this.mavenBase = Paths.get(System.getProperty("user.home"), ".m2", "repository");
 142
 143                 // TODO define and use a build base
 144                 this.a2Base = a2Base;
 145                 this.a2SrcBase = a2Base.getParent().resolve(a2Base.getFileName() + ".src");
 146                 this.a2LibBase = a2Base.resolve("lib");
 147                 this.descriptorsBase = descriptorsBase;
 148                 if (!Files.exists(this.descriptorsBase))
 149                         throw new IllegalArgumentException(this.descriptorsBase + " does not exist");
 150
 151                 // URIs mapping
 152                 Path urisPath = this.descriptorsBase.resolve("uris.properties");
 153                 if (Files.exists(urisPath)) {
 154                         try (InputStream in = Files.newInputStream(urisPath)) {
 155                                 uris.load(in);
 156                         } catch (IOException e) {
 157                                 throw new IllegalStateException("Cannot load " + urisPath, e);
 158                         }
 159                 }
 160
 161                 // Eclipse mirrors
 162                 Path eclipseMirrorsPath = this.descriptorsBase.resolve("eclipse.mirrors.txt");
 163                 List<String> eclipseMirrors = new ArrayList<>();
 164                 if (Files.exists(eclipseMirrorsPath)) {
 165                         try {
 166                                 eclipseMirrors = Files.readAllLines(eclipseMirrorsPath, StandardCharsets.UTF_8);
 167                         } catch (IOException e) {
 168                                 throw new IllegalStateException("Cannot load " + eclipseMirrorsPath, e);
 169                         }
 170                         for (Iterator<String> it = eclipseMirrors.iterator(); it.hasNext();) {
 171                                 String value = it.next();
 172                                 if (value.strip().equals(""))
 173                                         it.remove();
 174                         }
 175                 }
 176                 mirrors.put("http://www.eclipse.org/downloads", eclipseMirrors);
 177         }
 178
 179         /*
 180          * MAVEN ORIGIN
 181          */
 182         /** Process a whole category/group id. */
 183         void processCategory(Path categoryRelativePath) {
 184                 try {
 185                         Path targetCategoryBase = descriptorsBase.resolve(categoryRelativePath);
 186                         DirectoryStream<Path> bnds = Files.newDirectoryStream(targetCategoryBase,
 187                                         (p) -> p.getFileName().toString().endsWith(".bnd") && !p.getFileName().toString().equals(COMMON_BND)
 188                                                         && !p.getFileName().toString().equals(MERGE_BND));
 189                         for (Path p : bnds) {
 190                                 processSingleM2ArtifactDistributionUnit(p);
 191                         }
 192
 193                         DirectoryStream<Path> dus = Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p));
 194                         for (Path duDir : dus) {
 195                                 if (duDir.getFileName().toString().startsWith("eclipse-")) {
 196                                         processEclipseArchive(duDir);
 197                                 } else {
 198                                         processM2BasedDistributionUnit(duDir);
 199                                 }
 200                         }
 201                 } catch (IOException e) {
 202                         throw new RuntimeException("Cannot process category " + categoryRelativePath, e);
 203                 }
 204         }
 205
 206         /** Process a standalone Maven artifact. */
 207         void processSingleM2ArtifactDistributionUnit(Path bndFile) {
 208                 try {
 209                         Path categoryRelativePath = descriptorsBase.relativize(bndFile.getParent());
 210                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 211
 212                         Properties fileProps = new Properties();
 213                         try (InputStream in = Files.newInputStream(bndFile)) {
 214                                 fileProps.load(in);
 215                         }
 216                         String repoStr = fileProps.containsKey(ARGEO_ORIGIN_M2_REPO.toString())
 217                                         ? fileProps.getProperty(ARGEO_ORIGIN_M2_REPO.toString())
 218                                         : null;
 219
 220                         if (!fileProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 221                                 // use file name as symbolic name
 222                                 String symbolicName = bndFile.getFileName().toString();
 223                                 symbolicName = symbolicName.substring(0, symbolicName.length() - ".bnd".length());
 224                                 fileProps.put(BUNDLE_SYMBOLICNAME.toString(), symbolicName);
 225                         }
 226
 227                         String m2Coordinates = fileProps.getProperty(ARGEO_ORIGIN_M2.toString());
 228                         if (m2Coordinates == null)
 229                                 throw new IllegalArgumentException("No M2 coordinates available for " + bndFile);
 230                         M2Artifact artifact = new M2Artifact(m2Coordinates);
 231                         URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 232                         Path downloaded = downloadMaven(url, artifact);
 233
 234                         Path targetBundleDir = processBndJar(downloaded, targetCategoryBase, fileProps, artifact);
 235                         downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 236
 237                         createJar(targetBundleDir);
 238                 } catch (Exception e) {
 239                         throw new RuntimeException("Cannot process " + bndFile, e);
 240                 }
 241         }
 242
 243         /** Process multiple Maven artifacts. */
 244         void processM2BasedDistributionUnit(Path duDir) {
 245                 try {
 246                         Path categoryRelativePath = descriptorsBase.relativize(duDir.getParent());
 247                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 248
 249                         Path mergeBnd = duDir.resolve(MERGE_BND);
 250                         if (Files.exists(mergeBnd)) // merge
 251                                 mergeM2Artifacts(mergeBnd);
 252
 253                         Path commonBnd = duDir.resolve(COMMON_BND);
 254                         if (!Files.exists(commonBnd))
 255                                 return;
 256
 257                         Properties commonProps = new Properties();
 258                         try (InputStream in = Files.newInputStream(commonBnd)) {
 259                                 commonProps.load(in);
 260                         }
 261
 262                         String m2Version = commonProps.getProperty(ARGEO_ORIGIN_M2.toString());
 263                         if (m2Version == null) {
 264                                 logger.log(WARNING, "Ignoring " + duDir + " as it is not an M2-based distribution unit");
 265                                 return;// ignore, this is probably an Eclipse archive
 266                         }
 267                         if (!m2Version.startsWith(":")) {
 268                                 throw new IllegalStateException("Only the M2 version can be specified: " + m2Version);
 269                         }
 270                         m2Version = m2Version.substring(1);
 271
 272                         DirectoryStream<Path> ds = Files.newDirectoryStream(duDir,
 273                                         (p) -> p.getFileName().toString().endsWith(".bnd") && !p.getFileName().toString().equals(COMMON_BND)
 274                                                         && !p.getFileName().toString().equals(MERGE_BND));
 275                         for (Path p : ds) {
 276                                 Properties fileProps = new Properties();
 277                                 try (InputStream in = Files.newInputStream(p)) {
 278                                         fileProps.load(in);
 279                                 }
 280                                 String m2Coordinates = fileProps.getProperty(ARGEO_ORIGIN_M2.toString());
 281                                 M2Artifact artifact = new M2Artifact(m2Coordinates);
 282                                 artifact.setVersion(m2Version);
 283
 284                                 // prepare manifest entries
 285                                 Properties mergeProps = new Properties();
 286                                 mergeProps.putAll(commonProps);
 287
 288                                 fileEntries: for (Object key : fileProps.keySet()) {
 289                                         if (ManifestConstants.ARGEO_ORIGIN_M2.toString().equals(key))
 290                                                 continue fileEntries;
 291                                         String value = fileProps.getProperty(key.toString());
 292                                         Object previousValue = mergeProps.put(key.toString(), value);
 293                                         if (previousValue != null) {
 294                                                 logger.log(WARNING,
 295                                                                 commonBnd + ": " + key + " was " + previousValue + ", overridden with " + value);
 296                                         }
 297                                 }
 298                                 mergeProps.put(ManifestConstants.ARGEO_ORIGIN_M2.toString(), artifact.toM2Coordinates());
 299                                 if (!mergeProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 300                                         // use file name as symbolic name
 301                                         String symbolicName = p.getFileName().toString();
 302                                         symbolicName = symbolicName.substring(0, symbolicName.length() - ".bnd".length());
 303                                         mergeProps.put(BUNDLE_SYMBOLICNAME.toString(), symbolicName);
 304                                 }
 305
 306                                 String repoStr = mergeProps.containsKey(ARGEO_ORIGIN_M2_REPO.toString())
 307                                                 ? mergeProps.getProperty(ARGEO_ORIGIN_M2_REPO.toString())
 308                                                 : null;
 309
 310                                 // download
 311                                 URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 312                                 Path downloaded = downloadMaven(url, artifact);
 313
 314                                 Path targetBundleDir = processBndJar(downloaded, targetCategoryBase, mergeProps, artifact);
 315                                 downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 316                                 createJar(targetBundleDir);
 317                         }
 318                 } catch (IOException e) {
 319                         throw new RuntimeException("Cannot process " + duDir, e);
 320                 }
 321         }
 322
 323         /** Merge multiple Maven artifacts. */
 324         void mergeM2Artifacts(Path mergeBnd) throws IOException {
 325                 Path duDir = mergeBnd.getParent();
 326                 String category = duDir.getParent().getFileName().toString();
 327                 Path targetCategoryBase = a2Base.resolve(category);
 328
 329                 Properties mergeProps = new Properties();
 330                 try (InputStream in = Files.newInputStream(mergeBnd)) {
 331                         mergeProps.load(in);
 332                 }
 333
 334                 String m2Version = mergeProps.getProperty(ARGEO_ORIGIN_M2.toString());
 335                 if (m2Version == null) {
 336                         logger.log(WARNING, "Ignoring " + duDir + " as it is not an M2-based distribution unit");
 337                         return;// ignore, this is probably an Eclipse archive
 338                 }
 339                 if (!m2Version.startsWith(":")) {
 340                         throw new IllegalStateException("Only the M2 version can be specified: " + m2Version);
 341                 }
 342                 m2Version = m2Version.substring(1);
 343                 mergeProps.put(ManifestConstants.BUNDLE_VERSION.toString(), m2Version);
 344
 345                 String artifactsStr = mergeProps.getProperty(ManifestConstants.ARGEO_ORIGIN_M2_MERGE.toString());
 346                 if (artifactsStr == null)
 347                         throw new IllegalArgumentException(
 348                                         mergeBnd + ": " + ManifestConstants.ARGEO_ORIGIN_M2_MERGE + " must be set");
 349
 350                 String repoStr = mergeProps.containsKey(ARGEO_ORIGIN_M2_REPO.toString())
 351                                 ? mergeProps.getProperty(ARGEO_ORIGIN_M2_REPO.toString())
 352                                 : null;
 353
 354                 String bundleSymbolicName = mergeProps.getProperty(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 355                 if (bundleSymbolicName == null)
 356                         throw new IllegalArgumentException("Bundle-SymbolicName must be set in " + mergeBnd);
 357                 CategoryNameVersion nameVersion = new M2Artifact(category + ":" + bundleSymbolicName + ":" + m2Version);
 358
 359                 Path targetBundleDir = targetCategoryBase.resolve(bundleSymbolicName + "." + nameVersion.getBranch());
 360
 361                 String[] artifacts = artifactsStr.split(",");
 362                 artifacts: for (String str : artifacts) {
 363                         String m2Coordinates = str.trim();
 364                         if ("".equals(m2Coordinates))
 365                                 continue artifacts;
 366                         M2Artifact artifact = new M2Artifact(m2Coordinates.trim());
 367                         if (artifact.getVersion() == null)
 368                                 artifact.setVersion(m2Version);
 369                         URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 370                         Path downloaded = downloadMaven(url, artifact);
 371                         JarEntry entry;
 372                         try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(downloaded), false)) {
 373                                 entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 374                                         if (entry.isDirectory())
 375                                                 continue entries;
 376                                         else if (entry.getName().endsWith(".RSA") || entry.getName().endsWith(".SF"))
 377                                                 continue entries;
 378                                         else if (entry.getName().startsWith("META-INF/versions/"))
 379                                                 continue entries;
 380                                         else if (entry.getName().startsWith("META-INF/maven/"))
 381                                                 continue entries;
 382                                         else if (entry.getName().equals("module-info.class"))
 383                                                 continue entries;
 384                                         else if (entry.getName().equals("META-INF/NOTICE"))
 385                                                 continue entries;
 386                                         else if (entry.getName().equals("META-INF/NOTICE.txt"))
 387                                                 continue entries;
 388                                         else if (entry.getName().equals("META-INF/LICENSE"))
 389                                                 continue entries;
 390                                         else if (entry.getName().equals("META-INF/LICENSE.md"))
 391                                                 continue entries;
 392                                         else if (entry.getName().equals("META-INF/LICENSE-notice.md"))
 393                                                 continue entries;
 394                                         else if (entry.getName().equals("META-INF/DEPENDENCIES"))
 395                                                 continue entries;
 396                                         if (entry.getName().startsWith(".cache/")) // Apache SSHD
 397                                                 continue entries;
 398                                         Path target = targetBundleDir.resolve(entry.getName());
 399                                         Files.createDirectories(target.getParent());
 400                                         if (!Files.exists(target)) {
 401                                                 Files.copy(jarIn, target);
 402                                         } else {
 403                                                 if (entry.getName().startsWith("META-INF/services/")) {
 404                                                         try (OutputStream out = Files.newOutputStream(target, StandardOpenOption.APPEND)) {
 405                                                                 out.write("\n".getBytes());
 406                                                                 jarIn.transferTo(out);
 407                                                                 logger.log(DEBUG, artifact.getArtifactId() + " - Appended " + entry.getName());
 408                                                         }
 409                                                 } else if (entry.getName().startsWith("org/apache/batik/")) {
 410                                                         logger.log(TRACE, "Skip " + entry.getName());
 411                                                         continue entries;
 412                                                 } else {
 413                                                         throw new IllegalStateException("File " + target + " from " + artifact + " already exists");
 414                                                 }
 415                                         }
 416                                         logger.log(TRACE, () -> "Copied " + target);
 417                                 }
 418
 419                         }
 420                         downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 421                 }
 422
 423                 // additional service files
 424                 Path servicesDir = duDir.resolve("services");
 425                 if (Files.exists(servicesDir)) {
 426                         for (Path p : Files.newDirectoryStream(servicesDir)) {
 427                                 Path target = targetBundleDir.resolve("META-INF/services/").resolve(p.getFileName());
 428                                 try (InputStream in = Files.newInputStream(p);
 429                                                 OutputStream out = Files.newOutputStream(target, StandardOpenOption.APPEND);) {
 430                                         out.write("\n".getBytes());
 431                                         in.transferTo(out);
 432                                         logger.log(DEBUG, "Appended " + p);
 433                                 }
 434                         }
 435                 }
 436
 437                 Map<String, String> entries = new TreeMap<>();
 438                 try (Analyzer bndAnalyzer = new Analyzer()) {
 439                         bndAnalyzer.setProperties(mergeProps);
 440                         Jar jar = new Jar(targetBundleDir.toFile());
 441                         bndAnalyzer.setJar(jar);
 442                         Manifest manifest = bndAnalyzer.calcManifest();
 443
 444                         keys: for (Object key : manifest.getMainAttributes().keySet()) {
 445                                 Object value = manifest.getMainAttributes().get(key);
 446
 447                                 switch (key.toString()) {
 448                                 case "Tool":
 449                                 case "Bnd-LastModified":
 450                                 case "Created-By":
 451                                         continue keys;
 452                                 }
 453                                 if ("Require-Capability".equals(key.toString())
 454                                                 && value.toString().equals("osgi.ee;filter:=\"(&(osgi.ee=JavaSE)(version=1.1))\""))
 455                                         continue keys;// hack for very old classes
 456                                 entries.put(key.toString(), value.toString());
 457                         }
 458                 } catch (Exception e) {
 459                         throw new RuntimeException("Cannot process " + mergeBnd, e);
 460                 }
 461
 462                 Manifest manifest = new Manifest();
 463                 Path manifestPath = targetBundleDir.resolve("META-INF/MANIFEST.MF");
 464                 Files.createDirectories(manifestPath.getParent());
 465                 for (String key : entries.keySet()) {
 466                         String value = entries.get(key);
 467                         manifest.getMainAttributes().putValue(key, value);
 468                 }
 469
 470                 try (OutputStream out = Files.newOutputStream(manifestPath)) {
 471                         manifest.write(out);
 472                 }
 473                 createJar(targetBundleDir);
 474         }
 475
 476         /** Generate MANIFEST using BND. */
 477         Path processBndJar(Path downloaded, Path targetCategoryBase, Properties fileProps, M2Artifact artifact) {
 478
 479                 try {
 480                         Map<String, String> additionalEntries = new TreeMap<>();
 481                         boolean doNotModify = Boolean.parseBoolean(fileProps
 482                                         .getOrDefault(ManifestConstants.ARGEO_ORIGIN_MANIFEST_NOT_MODIFIED.toString(), "false").toString());
 483
 484                         // we always force the symbolic name
 485
 486                         if (doNotModify) {
 487                                 fileEntries: for (Object key : fileProps.keySet()) {
 488                                         if (ManifestConstants.ARGEO_ORIGIN_M2.toString().equals(key))
 489                                                 continue fileEntries;
 490                                         String value = fileProps.getProperty(key.toString());
 491                                         additionalEntries.put(key.toString(), value);
 492                                 }
 493                         } else {
 494                                 if (artifact != null) {
 495                                         if (!fileProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 496                                                 fileProps.put(BUNDLE_SYMBOLICNAME.toString(), artifact.getName());
 497                                         }
 498                                         if (!fileProps.containsKey(BUNDLE_VERSION.toString())) {
 499                                                 fileProps.put(BUNDLE_VERSION.toString(), artifact.getVersion());
 500                                         }
 501                                 }
 502
 503                                 if (!fileProps.containsKey(EXPORT_PACKAGE.toString())) {
 504                                         fileProps.put(EXPORT_PACKAGE.toString(),
 505                                                         "*;version=\"" + fileProps.getProperty(BUNDLE_VERSION.toString()) + "\"");
 506                                 }
 507
 508                                 try (Analyzer bndAnalyzer = new Analyzer()) {
 509                                         bndAnalyzer.setProperties(fileProps);
 510                                         Jar jar = new Jar(downloaded.toFile());
 511                                         bndAnalyzer.setJar(jar);
 512                                         Manifest manifest = bndAnalyzer.calcManifest();
 513
 514                                         keys: for (Object key : manifest.getMainAttributes().keySet()) {
 515                                                 Object value = manifest.getMainAttributes().get(key);
 516
 517                                                 switch (key.toString()) {
 518                                                 case "Tool":
 519                                                 case "Bnd-LastModified":
 520                                                 case "Created-By":
 521                                                         continue keys;
 522                                                 }
 523                                                 if ("Require-Capability".equals(key.toString())
 524                                                                 && value.toString().equals("osgi.ee;filter:=\"(&(osgi.ee=JavaSE)(version=1.1))\""))
 525                                                         continue keys;// !! hack for very old classes
 526                                                 additionalEntries.put(key.toString(), value.toString());
 527                                         }
 528                                 }
 529                         }
 530                         Path targetBundleDir = processBundleJar(downloaded, targetCategoryBase, additionalEntries);
 531                         logger.log(DEBUG, () -> "Processed " + downloaded);
 532                         return targetBundleDir;
 533                 } catch (Exception e) {
 534                         throw new RuntimeException("Cannot BND process " + downloaded, e);
 535                 }
 536
 537         }
 538
 539         /** Download and integrates sources for a single Maven artifact. */
 540         void downloadAndProcessM2Sources(String repoStr, M2Artifact artifact, Path targetBundleDir) throws IOException {
 541                 try {
 542                         M2Artifact sourcesArtifact = new M2Artifact(artifact.toM2Coordinates(), "sources");
 543                         URL sourcesUrl = M2ConventionsUtils.mavenRepoUrl(repoStr, sourcesArtifact);
 544                         Path sourcesDownloaded = downloadMaven(sourcesUrl, artifact, true);
 545                         processM2SourceJar(sourcesDownloaded, targetBundleDir);
 546                         logger.log(TRACE, () -> "Processed source " + sourcesDownloaded);
 547                 } catch (Exception e) {
 548                         logger.log(ERROR, () -> "Cannot download source for  " + artifact);
 549                 }
 550
 551         }
 552
 553         /** Integrate sources from a downloaded jar file. */
 554         void processM2SourceJar(Path file, Path targetBundleDir) throws IOException {
 555                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 556                         Path targetSourceDir = sourceBundles
 557                                         ? targetBundleDir.getParent().resolve(targetBundleDir.toString() + ".src")
 558                                         : targetBundleDir.resolve("OSGI-OPT/src");
 559
 560                         Files.createDirectories(targetSourceDir);
 561                         JarEntry entry;
 562                         entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 563                                 if (entry.isDirectory())
 564                                         continue entries;
 565                                 if (entry.getName().startsWith("META-INF"))// skip META-INF entries
 566                                         continue entries;
 567                                 if (entry.getName().startsWith("module-info.java"))// skip META-INF entries
 568                                         continue entries;
 569                                 if (entry.getName().startsWith("/")) // absolute paths
 570                                         continue entries;
 571                                 Path target = targetSourceDir.resolve(entry.getName());
 572                                 Files.createDirectories(target.getParent());
 573                                 if (!Files.exists(target)) {
 574                                         Files.copy(jarIn, target);
 575                                         logger.log(TRACE, () -> "Copied source " + target);
 576                                 } else {
 577                                         logger.log(TRACE, () -> target + " already exists, skipping...");
 578                                 }
 579                         }
 580                 }
 581
 582         }
 583
 584         /** Download a Maven artifact. */
 585         Path downloadMaven(URL url, M2Artifact artifact) throws IOException {
 586                 return downloadMaven(url, artifact, false);
 587         }
 588
 589         /** Download a Maven artifact. */
 590         Path downloadMaven(URL url, M2Artifact artifact, boolean sources) throws IOException {
 591                 return download(url, mavenBase, artifact.getGroupId().replace(".", "/") //
 592                                 + '/' + artifact.getArtifactId() + '/' + artifact.getVersion() //
 593                                 + '/' + artifact.getArtifactId() + "-" + artifact.getVersion() + (sources ? "-sources" : "") + ".jar");
 594         }
 595
 596         /*
 597          * ECLIPSE ORIGIN
 598          */
 599         /** Process an archive in Eclipse format. */
 600         void processEclipseArchive(Path duDir) {
 601                 try {
 602                         Path categoryRelativePath = descriptorsBase.relativize(duDir.getParent());
 603                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 604                         Files.createDirectories(targetCategoryBase);
 605                         // first delete all directories from previous builds
 606                         for (Path dir : Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p)))
 607                                 deleteDirectory(dir);
 608
 609                         Files.createDirectories(originBase);
 610
 611                         Path commonBnd = duDir.resolve(COMMON_BND);
 612                         Properties commonProps = new Properties();
 613                         try (InputStream in = Files.newInputStream(commonBnd)) {
 614                                 commonProps.load(in);
 615                         }
 616                         String url = commonProps.getProperty(ManifestConstants.ARGEO_ORIGIN_URI.toString());
 617                         if (url == null) {
 618                                 url = uris.getProperty(duDir.getFileName().toString());
 619                                 if (url == null)
 620                                         throw new IllegalStateException("No url available for " + duDir);
 621                                 commonProps.put(ManifestConstants.ARGEO_ORIGIN_URI.toString(), url);
 622                         }
 623                         Path downloaded = tryDownloadArchive(url, originBase);
 624
 625                         FileSystem zipFs = FileSystems.newFileSystem(downloaded, (ClassLoader) null);
 626
 627                         // filters
 628                         List<PathMatcher> includeMatchers = new ArrayList<>();
 629                         Properties includes = new Properties();
 630                         try (InputStream in = Files.newInputStream(duDir.resolve("includes.properties"))) {
 631                                 includes.load(in);
 632                         }
 633                         for (Object pattern : includes.keySet()) {
 634                                 PathMatcher pathMatcher = zipFs.getPathMatcher("glob:/" + pattern);
 635                                 includeMatchers.add(pathMatcher);
 636                         }
 637
 638                         List<PathMatcher> excludeMatchers = new ArrayList<>();
 639                         Path excludeFile = duDir.resolve("excludes.properties");
 640                         if (Files.exists(excludeFile)) {
 641                                 Properties excludes = new Properties();
 642                                 try (InputStream in = Files.newInputStream(excludeFile)) {
 643                                         excludes.load(in);
 644                                 }
 645                                 for (Object pattern : excludes.keySet()) {
 646                                         PathMatcher pathMatcher = zipFs.getPathMatcher("glob:/" + pattern);
 647                                         excludeMatchers.add(pathMatcher);
 648                                 }
 649                         }
 650
 651                         Files.walkFileTree(zipFs.getRootDirectories().iterator().next(), new SimpleFileVisitor<Path>() {
 652
 653                                 @Override
 654                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 655                                         includeMatchers: for (PathMatcher includeMatcher : includeMatchers) {
 656                                                 if (includeMatcher.matches(file)) {
 657                                                         for (PathMatcher excludeMatcher : excludeMatchers) {
 658                                                                 if (excludeMatcher.matches(file)) {
 659                                                                         logger.log(TRACE, "Skipping excluded " + file);
 660                                                                         return FileVisitResult.CONTINUE;
 661                                                                 }
 662                                                         }
 663                                                         if (file.getFileName().toString().contains(".source_")) {
 664                                                                 processEclipseSourceJar(file, targetCategoryBase);
 665                                                                 logger.log(DEBUG, () -> "Processed source " + file);
 666                                                         } else {
 667                                                                 Map<String, String> map = new HashMap<>();
 668                                                                 for (Object key : commonProps.keySet())
 669                                                                         map.put(key.toString(), commonProps.getProperty(key.toString()));
 670                                                                 processBundleJar(file, targetCategoryBase, map);
 671                                                                 logger.log(DEBUG, () -> "Processed " + file);
 672                                                         }
 673                                                         break includeMatchers;
 674                                                 }
 675                                         }
 676                                         return FileVisitResult.CONTINUE;
 677                                 }
 678                         });
 679
 680                         DirectoryStream<Path> dirs = Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p)
 681                                         && p.getFileName().toString().indexOf('.') >= 0 && !p.getFileName().toString().endsWith(".src"));
 682                         for (Path dir : dirs) {
 683                                 createJar(dir);
 684                         }
 685                 } catch (IOException e) {
 686                         throw new RuntimeException("Cannot process " + duDir, e);
 687                 }
 688
 689         }
 690
 691         /** Process sources in Eclipse format. */
 692         void processEclipseSourceJar(Path file, Path targetBase) throws IOException {
 693                 try {
 694                         Path targetBundleDir;
 695                         try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 696                                 Manifest manifest = jarIn.getManifest();
 697
 698                                 String[] relatedBundle = manifest.getMainAttributes().getValue(ECLIPSE_SOURCE_BUNDLE.toString())
 699                                                 .split(";");
 700                                 String version = relatedBundle[1].substring("version=\"".length());
 701                                 version = version.substring(0, version.length() - 1);
 702                                 NameVersion nameVersion = new NameVersion(relatedBundle[0], version);
 703                                 targetBundleDir = targetBase.resolve(nameVersion.getName() + "." + nameVersion.getBranch());
 704
 705                                 Path targetSourceDir = sourceBundles
 706                                                 ? targetBundleDir.getParent().resolve(targetBundleDir.toString() + ".src")
 707                                                 : targetBundleDir.resolve("OSGI-OPT/src");
 708
 709                                 Files.createDirectories(targetSourceDir);
 710                                 JarEntry entry;
 711                                 entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 712                                         if (entry.isDirectory())
 713                                                 continue entries;
 714                                         if (entry.getName().startsWith("META-INF"))// skip META-INF entries
 715                                                 continue entries;
 716                                         Path target = targetSourceDir.resolve(entry.getName());
 717                                         Files.createDirectories(target.getParent());
 718                                         Files.copy(jarIn, target);
 719                                         logger.log(TRACE, () -> "Copied source " + target);
 720                                 }
 721                         }
 722                 } catch (IOException e) {
 723                         throw new IllegalStateException("Cannot process " + file, e);
 724                 }
 725         }
 726
 727         /*
 728          * COMMON PROCESSING
 729          */
 730         /** Normalise a bundle. */
 731         Path processBundleJar(Path file, Path targetBase, Map<String, String> entries) throws IOException {
 732                 NameVersion nameVersion;
 733                 Path targetBundleDir;
 734                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 735                         Manifest sourceManifest = jarIn.getManifest();
 736                         Manifest manifest = sourceManifest != null ? new Manifest(sourceManifest) : new Manifest();
 737
 738                         // singleton
 739                         boolean isSingleton = false;
 740                         String rawSourceSymbolicName = manifest.getMainAttributes()
 741                                         .getValue(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 742                         if (rawSourceSymbolicName != null) {
 743                                 // make sure there is no directive
 744                                 String[] arr = rawSourceSymbolicName.split(";");
 745                                 for (int i = 1; i < arr.length; i++) {
 746                                         if (arr[i].trim().equals("singleton:=true"))
 747                                                 isSingleton = true;
 748                                         logger.log(DEBUG, file.getFileName() + " is a singleton");
 749                                 }
 750                         }
 751                         // remove problematic entries in MANIFEST
 752                         manifest.getEntries().clear();
 753
 754                         String ourSymbolicName = entries.get(BUNDLE_SYMBOLICNAME.toString());
 755                         String ourVersion = entries.get(BUNDLE_VERSION.toString());
 756
 757                         if (ourSymbolicName != null && ourVersion != null) {
 758                                 nameVersion = new NameVersion(ourSymbolicName, ourVersion);
 759                         } else {
 760                                 nameVersion = nameVersionFromManifest(manifest);
 761                                 if (ourVersion != null && !nameVersion.getVersion().equals(ourVersion)) {
 762                                         logger.log(WARNING,
 763                                                         "Original version is " + nameVersion.getVersion() + " while new version is " + ourVersion);
 764                                         entries.put(BUNDLE_VERSION.toString(), ourVersion);
 765                                 }
 766                                 if (ourSymbolicName != null) {
 767                                         // we always force our symbolic name
 768                                         nameVersion.setName(ourSymbolicName);
 769                                 }
 770                         }
 771                         targetBundleDir = targetBase.resolve(nameVersion.getName() + "." + nameVersion.getBranch());
 772
 773                         // force Java 9 module name
 774                         entries.put(ManifestConstants.AUTOMATIC_MODULE_NAME.toString(), nameVersion.getName());
 775
 776                         boolean isNative = false;
 777                         String os = null;
 778                         String arch = null;
 779                         if (targetBundleDir.startsWith(a2LibBase)) {
 780                                 isNative = true;
 781                                 Path libRelativePath = a2LibBase.relativize(targetBundleDir);
 782                                 os = libRelativePath.getName(0).toString();
 783                                 arch = libRelativePath.getName(1).toString();
 784                         }
 785
 786                         // copy entries
 787                         JarEntry entry;
 788                         entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 789                                 if (entry.isDirectory())
 790                                         continue entries;
 791                                 if (entry.getName().endsWith(".RSA") || entry.getName().endsWith(".SF"))
 792                                         continue entries;
 793                                 if (entry.getName().endsWith("module-info.class")) // skip Java 9 module info
 794                                         continue entries;
 795                                 if (entry.getName().startsWith("META-INF/versions/")) // skip multi-version
 796                                         continue entries;
 797                                 // skip file system providers as they cause issues with native image
 798                                 if (entry.getName().startsWith("META-INF/services/java.nio.file.spi.FileSystemProvider"))
 799                                         continue entries;
 800                                 if (entry.getName().startsWith("OSGI-OPT/src/")) // skip embedded sources
 801                                         continue entries;
 802                                 Path target = targetBundleDir.resolve(entry.getName());
 803                                 Files.createDirectories(target.getParent());
 804                                 Files.copy(jarIn, target);
 805
 806                                 // native libraries
 807                                 if (isNative && (entry.getName().endsWith(".so") || entry.getName().endsWith(".dll")
 808                                                 || entry.getName().endsWith(".jnilib"))) {
 809                                         Path categoryDir = targetBundleDir.getParent();
 810                                         boolean copyDll = false;
 811                                         Path targetDll = categoryDir.resolve(targetBundleDir.relativize(target));
 812                                         if (nameVersion.getName().equals("com.sun.jna")) {
 813                                                 if (arch.equals("x86_64"))
 814                                                         arch = "x86-64";
 815                                                 if (os.equals("macosx"))
 816                                                         os = "darwin";
 817                                                 if (target.getParent().getFileName().toString().equals(os + "-" + arch)) {
 818                                                         copyDll = true;
 819                                                 }
 820                                                 targetDll = categoryDir.resolve(target.getFileName());
 821                                         } else {
 822                                                 copyDll = true;
 823                                         }
 824                                         if (copyDll) {
 825                                                 Files.createDirectories(targetDll.getParent());
 826                                                 if (Files.exists(targetDll))
 827                                                         Files.delete(targetDll);
 828                                                 Files.copy(target, targetDll);
 829                                         }
 830                                         Files.delete(target);
 831                                 }
 832                                 logger.log(TRACE, () -> "Copied " + target);
 833                         }
 834
 835                         // copy MANIFEST
 836                         Path manifestPath = targetBundleDir.resolve("META-INF/MANIFEST.MF");
 837                         Files.createDirectories(manifestPath.getParent());
 838
 839                         if (isSingleton && entries.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 840                                 entries.put(BUNDLE_SYMBOLICNAME.toString(),
 841                                                 entries.get(BUNDLE_SYMBOLICNAME.toString()) + ";singleton:=true");
 842                         }
 843
 844                         // Final MANIFEST decisions
 845                         // This also where we check the original OSGi metadata and compare with our
 846                         // changes
 847                         for (String key : entries.keySet()) {
 848                                 String value = entries.get(key);
 849                                 String previousValue = manifest.getMainAttributes().getValue(key);
 850                                 boolean wasDifferent = previousValue != null && !previousValue.equals(value);
 851                                 boolean keepPrevious = false;
 852                                 if (wasDifferent) {
 853                                         if (SPDX_LICENSE_IDENTIFIER.toString().equals(key) && previousValue != null)
 854                                                 keepPrevious = true;
 855                                         else if (BUNDLE_VERSION.toString().equals(key) && wasDifferent)
 856                                                 if (previousValue.equals(value + ".0")) // typically a Maven first release
 857                                                         keepPrevious = true;
 858
 859                                         if (keepPrevious) {
 860                                                 if (logger.isLoggable(TRACE))
 861                                                         logger.log(TRACE, file.getFileName() + ": " + key + " was NOT modified, value kept is "
 862                                                                         + previousValue + ", not overriden with " + value);
 863                                                 value = previousValue;
 864                                         }
 865                                 }
 866
 867                                 manifest.getMainAttributes().putValue(key, value);
 868                                 if (wasDifferent && !keepPrevious) {
 869                                         if (IMPORT_PACKAGE.toString().equals(key) || EXPORT_PACKAGE.toString().equals(key))
 870                                                 logger.log(TRACE, () -> file.getFileName() + ": " + key + " was modified");
 871                                         else
 872                                                 logger.log(WARNING, file.getFileName() + ": " + key + " was " + previousValue
 873                                                                 + ", overridden with " + value);
 874                                 }
 875
 876                                 // !! hack to remove unresolvable
 877                                 if (key.equals("Provide-Capability") || key.equals("Require-Capability"))
 878                                         if (nameVersion.getName().equals("osgi.core") || nameVersion.getName().equals("osgi.cmpn")) {
 879                                                 manifest.getMainAttributes().remove(key);
 880                                         }
 881                         }
 882
 883                         // last checks
 884                         String spdxLicenceId = manifest.getMainAttributes().getValue(SPDX_LICENSE_IDENTIFIER.toString());
 885                         String bundleLicense = manifest.getMainAttributes().getValue(BUNDLE_LICENSE.toString());
 886                         if (spdxLicenceId == null) {
 887                                 logger.log(ERROR, file.getFileName() + ": " + SPDX_LICENSE_IDENTIFIER + " not available, "
 888                                                 + BUNDLE_LICENSE + " is " + bundleLicense);
 889                         } else {
 890                                 if (!licensesUsed.containsKey(spdxLicenceId))
 891                                         licensesUsed.put(spdxLicenceId, new TreeSet<>());
 892                                 licensesUsed.get(spdxLicenceId).add(file.getFileName().toString());
 893                         }
 894
 895                         try (OutputStream out = Files.newOutputStream(manifestPath)) {
 896                                 manifest.write(out);
 897                         }
 898                 }
 899                 return targetBundleDir;
 900         }
 901
 902         /*
 903          * UTILITIES
 904          */
 905         /** Recursively deletes a directory. */
 906         static void deleteDirectory(Path path) throws IOException {
 907                 if (!Files.exists(path))
 908                         return;
 909                 Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
 910                         @Override
 911                         public FileVisitResult postVisitDirectory(Path directory, IOException e) throws IOException {
 912                                 if (e != null)
 913                                         throw e;
 914                                 Files.delete(directory);
 915                                 return CONTINUE;
 916                         }
 917
 918                         @Override
 919                         public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 920                                 Files.delete(file);
 921                                 return CONTINUE;
 922                         }
 923                 });
 924         }
 925
 926         /** Extract name/version from a MANIFEST. */
 927         NameVersion nameVersionFromManifest(Manifest manifest) {
 928                 Attributes attrs = manifest.getMainAttributes();
 929                 // symbolic name
 930                 String symbolicName = attrs.getValue(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 931                 if (symbolicName == null)
 932                         return null;
 933                 // make sure there is no directive
 934                 symbolicName = symbolicName.split(";")[0];
 935
 936                 String version = attrs.getValue(ManifestConstants.BUNDLE_VERSION.toString());
 937                 return new NameVersion(symbolicName, version);
 938         }
 939
 940         /** Try to download from an URI. */
 941         Path tryDownloadArchive(String uri, Path dir) throws IOException {
 942                 // find mirror
 943                 List<String> urlBases = null;
 944                 String uriPrefix = null;
 945                 uriPrefixes: for (String uriPref : mirrors.keySet()) {
 946                         if (uri.startsWith(uriPref)) {
 947                                 if (mirrors.get(uriPref).size() > 0) {
 948                                         urlBases = mirrors.get(uriPref);
 949                                         uriPrefix = uriPref;
 950                                         break uriPrefixes;
 951                                 }
 952                         }
 953                 }
 954                 if (urlBases == null)
 955                         try {
 956                                 return downloadArchive(new URL(uri), dir);
 957                         } catch (FileNotFoundException e) {
 958                                 throw new FileNotFoundException("Cannot find " + uri);
 959                         }
 960
 961                 // try to download
 962                 for (String urlBase : urlBases) {
 963                         String relativePath = uri.substring(uriPrefix.length());
 964                         URL url = new URL(urlBase + relativePath);
 965                         try {
 966                                 return downloadArchive(url, dir);
 967                         } catch (FileNotFoundException e) {
 968                                 logger.log(WARNING, "Cannot download " + url + ", trying another mirror");
 969                         }
 970                 }
 971                 throw new FileNotFoundException("Cannot find " + uri);
 972         }
 973
 974         /**
 975          * Effectively download. Synchronised in order to avoid downloading twice in
 976          * parallel.
 977          */
 978         synchronized Path downloadArchive(URL url, Path dir) throws IOException {
 979                 return download(url, dir, (String) null);
 980         }
 981
 982         /** Effectively download. */
 983         Path download(URL url, Path dir, String name) throws IOException {
 984
 985                 Path dest;
 986                 if (name == null) {
 987                         // We use also use parent directory in case the archive itself has a fixed name
 988                         String[] segments = url.getPath().split("/");
 989                         name = segments.length > 1 ? segments[segments.length - 2] + '-' + segments[segments.length - 1]
 990                                         : segments[segments.length - 1];
 991                 }
 992
 993                 dest = dir.resolve(name);
 994                 if (Files.exists(dest)) {
 995                         logger.log(TRACE, () -> "File " + dest + " already exists for " + url + ", not downloading again");
 996                         return dest;
 997                 } else {
 998                         Files.createDirectories(dest.getParent());
 999                 }
1000
1001                 try (InputStream in = url.openStream()) {
1002                         Files.copy(in, dest);
1003                         logger.log(DEBUG, () -> "Downloaded " + dest + " from " + url);
1004                 }
1005                 return dest;
1006         }
1007
1008         /** Create a JAR file from a directory. */
1009         Path createJar(Path bundleDir) throws IOException {
1010                 // Create the jar
1011                 Path jarPath = bundleDir.getParent().resolve(bundleDir.getFileName() + ".jar");
1012                 Path manifestPath = bundleDir.resolve("META-INF/MANIFEST.MF");
1013                 Manifest manifest;
1014                 try (InputStream in = Files.newInputStream(manifestPath)) {
1015                         manifest = new Manifest(in);
1016                 }
1017                 try (JarOutputStream jarOut = new JarOutputStream(Files.newOutputStream(jarPath), manifest)) {
1018                         jarOut.setLevel(Deflater.DEFAULT_COMPRESSION);
1019                         Files.walkFileTree(bundleDir, new SimpleFileVisitor<Path>() {
1020
1021                                 @Override
1022                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
1023                                         if (file.getFileName().toString().equals("MANIFEST.MF"))
1024                                                 return super.visitFile(file, attrs);
1025                                         JarEntry entry = new JarEntry(
1026                                                         bundleDir.relativize(file).toString().replace(File.separatorChar, '/'));
1027                                         jarOut.putNextEntry(entry);
1028                                         Files.copy(file, jarOut);
1029                                         return super.visitFile(file, attrs);
1030                                 }
1031
1032                         });
1033                 }
1034                 deleteDirectory(bundleDir);
1035
1036                 if (sourceBundles) {
1037                         Path bundleCategoryDir = bundleDir.getParent();
1038                         Path sourceDir = bundleCategoryDir.resolve(bundleDir.toString() + ".src");
1039                         if (!Files.exists(sourceDir)) {
1040                                 logger.log(WARNING, sourceDir + " does not exist, skipping...");
1041                                 return jarPath;
1042
1043                         }
1044
1045                         Path relPath = a2Base.relativize(bundleCategoryDir);
1046                         Path srcCategoryDir = a2SrcBase.resolve(relPath);
1047                         Path srcJarP = srcCategoryDir.resolve(sourceDir.getFileName() + ".jar");
1048                         Files.createDirectories(srcJarP.getParent());
1049
1050                         String bundleSymbolicName = manifest.getMainAttributes().getValue("Bundle-SymbolicName").toString();
1051                         // in case there are additional directives
1052                         bundleSymbolicName = bundleSymbolicName.split(";")[0];
1053                         Manifest srcManifest = new Manifest();
1054                         srcManifest.getMainAttributes().put(MANIFEST_VERSION, "1.0");
1055                         srcManifest.getMainAttributes().putValue(BUNDLE_SYMBOLICNAME.toString(), bundleSymbolicName + ".src");
1056                         srcManifest.getMainAttributes().putValue(BUNDLE_VERSION.toString(),
1057                                         manifest.getMainAttributes().getValue(BUNDLE_VERSION.toString()).toString());
1058                         srcManifest.getMainAttributes().putValue(ECLIPSE_SOURCE_BUNDLE.toString(), bundleSymbolicName
1059                                         + ";version=\"" + manifest.getMainAttributes().getValue(BUNDLE_VERSION.toString()));
1060
1061                         try (JarOutputStream srcJarOut = new JarOutputStream(Files.newOutputStream(srcJarP), srcManifest)) {
1062                                 srcJarOut.setLevel(Deflater.BEST_COMPRESSION);
1063                                 Files.walkFileTree(sourceDir, new SimpleFileVisitor<Path>() {
1064
1065                                         @Override
1066                                         public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
1067                                                 if (file.getFileName().toString().equals("MANIFEST.MF"))
1068                                                         return super.visitFile(file, attrs);
1069                                                 JarEntry entry = new JarEntry(
1070                                                                 sourceDir.relativize(file).toString().replace(File.separatorChar, '/'));
1071                                                 srcJarOut.putNextEntry(entry);
1072                                                 Files.copy(file, srcJarOut);
1073                                                 return super.visitFile(file, attrs);
1074                                         }
1075
1076                                 });
1077                         }
1078                         deleteDirectory(sourceDir);
1079                 }
1080
1081                 return jarPath;
1082         }
1083
1084         /** MANIFEST headers. */
1085         enum ManifestConstants {
1086                 // OSGi
1087                 /** OSGi bundle symbolic name. */
1088                 BUNDLE_SYMBOLICNAME("Bundle-SymbolicName"), //
1089                 /** OSGi bundle version. */
1090                 BUNDLE_VERSION("Bundle-Version"), //
1091                 /** OSGi bundle license. */
1092                 BUNDLE_LICENSE("Bundle-License"), //
1093                 /** OSGi exported packages list. */
1094                 EXPORT_PACKAGE("Export-Package"), //
1095                 /** OSGi imported packages list. */
1096                 IMPORT_PACKAGE("Import-Package"), //
1097                 // Java
1098                 /** Java module name. */
1099                 AUTOMATIC_MODULE_NAME("Automatic-Module-Name"), //
1100                 // Eclipse
1101                 /** Eclipse source bundle. */
1102                 ECLIPSE_SOURCE_BUNDLE("Eclipse-SourceBundle"), //
1103                 // SPDX
1104                 /**
1105                  * SPDX license identifier.
1106                  *
1107                  * @see https://spdx.org/licenses/
1108                  */
1109                 SPDX_LICENSE_IDENTIFIER("SPDX-License-Identifier"), //
1110                 // Argeo Origin
1111                 /**
1112                  * Maven coordinates of the origin, possibly partial when using common.bnd or
1113                  * merge.bnd.
1114                  */
1115                 ARGEO_ORIGIN_M2("Argeo-Origin-M2"), //
1116                 /** List of Maven coordinates to merge. */
1117                 ARGEO_ORIGIN_M2_MERGE("Argeo-Origin-M2-Merge"), //
1118                 /** Maven repository if not the default one. */
1119                 ARGEO_ORIGIN_M2_REPO("Argeo-Origin-M2-Repo"), //
1120                 /**
1121                  * Do not perform BND analysis of the origin component. Typically IMport_package
1122                  * and Export-Package will be kept untouched.
1123                  */
1124                 ARGEO_ORIGIN_MANIFEST_NOT_MODIFIED("Argeo-Origin-ManifestNotModified"), //
1125                 /**
1126                  * Origin (non-Maven) URI of the component. It may be anything (jar, archive,
1127                  * etc.).
1128                  */
1129                 ARGEO_ORIGIN_URI("Argeo-Origin-URI"), //
1130                 ;
1131
1132                 final String value;
1133
1134                 private ManifestConstants(String value) {
1135                         this.value = value;
1136                 }
1137
1138                 @Override
1139                 public String toString() {
1140                         return value;
1141                 }
1142         }
1143 }
1144
1145 /** Simple representation of an M2 artifact. */
1146 class M2Artifact extends CategoryNameVersion {
1147         private String classifier;
1148
1149         M2Artifact(String m2coordinates) {
1150                 this(m2coordinates, null);
1151         }
1152
1153         M2Artifact(String m2coordinates, String classifier) {
1154                 String[] parts = m2coordinates.split(":");
1155                 setCategory(parts[0]);
1156                 setName(parts[1]);
1157                 if (parts.length > 2) {
1158                         setVersion(parts[2]);
1159                 }
1160                 this.classifier = classifier;
1161         }
1162
1163         String getGroupId() {
1164                 return super.getCategory();
1165         }
1166
1167         String getArtifactId() {
1168                 return super.getName();
1169         }
1170
1171         String toM2Coordinates() {
1172                 return getCategory() + ":" + getName() + (getVersion() != null ? ":" + getVersion() : "");
1173         }
1174
1175         String getClassifier() {
1176                 return classifier != null ? classifier : "";
1177         }
1178
1179         String getExtension() {
1180                 return "jar";
1181         }
1182 }
1183
1184 /** Utilities around Maven (conventions based). */
1185 class M2ConventionsUtils {
1186         final static String MAVEN_CENTRAL_BASE_URL = "https://repo1.maven.org/maven2/";
1187
1188         /** The file name of this artifact when stored */
1189         static String artifactFileName(M2Artifact artifact) {
1190                 return artifact.getArtifactId() + '-' + artifact.getVersion()
1191                                 + (artifact.getClassifier().equals("") ? "" : '-' + artifact.getClassifier()) + '.'
1192                                 + artifact.getExtension();
1193         }
1194
1195         /** Absolute path to the file */
1196         static String artifactPath(String artifactBasePath, M2Artifact artifact) {
1197                 return artifactParentPath(artifactBasePath, artifact) + '/' + artifactFileName(artifact);
1198         }
1199
1200         /** Absolute path to the file */
1201         static String artifactUrl(String repoUrl, M2Artifact artifact) {
1202                 if (repoUrl.endsWith("/"))
1203                         return repoUrl + artifactPath("/", artifact).substring(1);
1204                 else
1205                         return repoUrl + artifactPath("/", artifact);
1206         }
1207
1208         /** Absolute path to the file */
1209         static URL mavenRepoUrl(String repoBase, M2Artifact artifact) {
1210                 String url = artifactUrl(repoBase == null ? MAVEN_CENTRAL_BASE_URL : repoBase, artifact);
1211                 try {
1212                         return new URL(url);
1213                 } catch (MalformedURLException e) {
1214                         // it should not happen
1215                         throw new IllegalStateException(e);
1216                 }
1217         }
1218
1219         /** Absolute path to the directories where the files will be stored */
1220         static String artifactParentPath(String artifactBasePath, M2Artifact artifact) {
1221                 return artifactBasePath + (artifactBasePath.endsWith("/") ? "" : "/") + artifactParentPath(artifact);
1222         }
1223
1224         /** Relative path to the directories where the files will be stored */
1225         static String artifactParentPath(M2Artifact artifact) {
1226                 return artifact.getGroupId().replace('.', '/') + '/' + artifact.getArtifactId() + '/' + artifact.getVersion();
1227         }
1228
1229         /** Singleton */
1230         private M2ConventionsUtils() {
1231         }
1232 }
1233
1234 /** Combination of a category, a name and a version. */
1235 class CategoryNameVersion extends NameVersion {
1236         private String category;
1237
1238         CategoryNameVersion() {
1239         }
1240
1241         CategoryNameVersion(String category, String name, String version) {
1242                 super(name, version);
1243                 this.category = category;
1244         }
1245
1246         CategoryNameVersion(String category, NameVersion nameVersion) {
1247                 super(nameVersion);
1248                 this.category = category;
1249         }
1250
1251         String getCategory() {
1252                 return category;
1253         }
1254
1255         void setCategory(String category) {
1256                 this.category = category;
1257         }
1258
1259         @Override
1260         public String toString() {
1261                 return category + ":" + super.toString();
1262         }
1263
1264 }
1265
1266 /** Combination of a name and a version. */
1267 class NameVersion implements Comparable<NameVersion> {
1268         private String name;
1269         private String version;
1270
1271         NameVersion() {
1272         }
1273
1274         /** Interprets string in OSGi-like format my.module.name;version=0.0.0 */
1275         NameVersion(String nameVersion) {
1276                 int index = nameVersion.indexOf(";version=");
1277                 if (index < 0) {
1278                         setName(nameVersion);
1279                         setVersion(null);
1280                 } else {
1281                         setName(nameVersion.substring(0, index));
1282                         setVersion(nameVersion.substring(index + ";version=".length()));
1283                 }
1284         }
1285
1286         NameVersion(String name, String version) {
1287                 this.name = name;
1288                 this.version = version;
1289         }
1290
1291         NameVersion(NameVersion nameVersion) {
1292                 this.name = nameVersion.getName();
1293                 this.version = nameVersion.getVersion();
1294         }
1295
1296         String getName() {
1297                 return name;
1298         }
1299
1300         void setName(String name) {
1301                 this.name = name;
1302         }
1303
1304         String getVersion() {
1305                 return version;
1306         }
1307
1308         void setVersion(String version) {
1309                 this.version = version;
1310         }
1311
1312         String getBranch() {
1313                 String[] parts = getVersion().split("\\.");
1314                 if (parts.length < 2)
1315                         throw new IllegalStateException("Version " + getVersion() + " cannot be interpreted as branch.");
1316                 return parts[0] + "." + parts[1];
1317         }
1318
1319         @Override
1320         public boolean equals(Object obj) {
1321                 if (obj instanceof NameVersion) {
1322                         NameVersion nameVersion = (NameVersion) obj;
1323                         return name.equals(nameVersion.getName()) && version.equals(nameVersion.getVersion());
1324                 } else
1325                         return false;
1326         }
1327
1328         @Override
1329         public int hashCode() {
1330                 return name.hashCode();
1331         }
1332
1333         @Override
1334         public String toString() {
1335                 return name + ":" + version;
1336         }
1337
1338         public int compareTo(NameVersion o) {
1339                 if (o.getName().equals(name))
1340                         return version.compareTo(o.getVersion());
1341                 else
1342                         return name.compareTo(o.getName());
1343         }
1344 }