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.TreeMap;
  48 import java.util.concurrent.CompletableFuture;
  49 import java.util.jar.Attributes;
  50 import java.util.jar.JarEntry;
  51 import java.util.jar.JarInputStream;
  52 import java.util.jar.JarOutputStream;
  53 import java.util.jar.Manifest;
  54 import java.util.zip.Deflater;
  55
  56 import aQute.bnd.osgi.Analyzer;
  57 import aQute.bnd.osgi.Jar;
  58
  59 /**
  60  * Simple tool repackaging existing jar files into OSGi bundles in an A2
  61  * repository.
  62  */
  63 public class Repackage {
  64         private final static Logger logger = System.getLogger(Repackage.class.getName());
  65
  66         /**
  67          * Environment variable on whether sources should be packaged separately or
  68          * integrated in the bundles.
  69          */
  70         private final static String ENV_SOURCE_BUNDLES = "SOURCE_BUNDLES";
  71
  72         /** Whethere repackaging should run in parallel or sequentially. */
  73         private final static boolean parallel = true;
  74
  75         /** Main entry point. */
  76         public static void main(String[] args) {
  77                 if (args.length < 2) {
  78                         System.err.println("Usage: <path to a2 output dir> <category1> <category2> ...");
  79                         System.exit(1);
  80                 }
  81                 Path a2Base = Paths.get(args[0]).toAbsolutePath().normalize();
  82                 Path descriptorsBase = Paths.get(".").toAbsolutePath().normalize();
  83                 Repackage factory = new Repackage(a2Base, descriptorsBase);
  84
  85                 List<CompletableFuture<Void>> toDos = new ArrayList<>();
  86                 for (int i = 1; i < args.length; i++) {
  87                         Path p = Paths.get(args[i]);
  88                         if (parallel)
  89                                 toDos.add(CompletableFuture.runAsync(() -> factory.processCategory(p)));
  90                         else
  91                                 factory.processCategory(p);
  92                 }
  93                 CompletableFuture.allOf(toDos.toArray(new CompletableFuture[toDos.size()])).join();
  94         }
  95
  96         private final static String COMMON_BND = "common.bnd";
  97         private final static String MERGE_BND = "merge.bnd";
  98
  99         /** Directory where to download archives */
 100         private Path originBase;
 101         /** Directory where to download Maven artifacts */
 102         private Path mavenBase;
 103
 104         /** A2 repository base for binary bundles */
 105         private Path a2Base;
 106         /** A2 repository base for source bundles */
 107         private Path a2SrcBase;
 108         /** A2 base for native components */
 109         private Path a2LibBase;
 110         /** Location of the descriptors driving the packaging */
 111         private Path descriptorsBase;
 112         /** URIs of archives to download */
 113         private Properties uris = new Properties();
 114         /** Mirrors for archive download. Key is URI prefix, value list of base URLs */
 115         private Map<String, List<String>> mirrors = new HashMap<String, List<String>>();
 116
 117         /** Whether sources should be packaged separately */
 118         private final boolean sourceBundles;
 119
 120         /** Constructor initialises the various variables */
 121         public Repackage(Path a2Base, Path descriptorsBase) {
 122                 sourceBundles = Boolean.parseBoolean(System.getenv(ENV_SOURCE_BUNDLES));
 123                 if (sourceBundles)
 124                         logger.log(INFO, "Sources will be packaged separately");
 125
 126                 Objects.requireNonNull(a2Base);
 127                 Objects.requireNonNull(descriptorsBase);
 128                 this.originBase = Paths.get(System.getProperty("user.home"), ".cache", "argeo/build/origin");
 129                 this.mavenBase = Paths.get(System.getProperty("user.home"), ".m2", "repository");
 130
 131                 // TODO define and use a build base
 132                 this.a2Base = a2Base;
 133                 this.a2SrcBase = a2Base.getParent().resolve(a2Base.getFileName() + ".src");
 134                 this.a2LibBase = a2Base.resolve("lib");
 135                 this.descriptorsBase = descriptorsBase;
 136                 if (!Files.exists(this.descriptorsBase))
 137                         throw new IllegalArgumentException(this.descriptorsBase + " does not exist");
 138
 139                 // URIs mapping
 140                 Path urisPath = this.descriptorsBase.resolve("uris.properties");
 141                 if (Files.exists(urisPath)) {
 142                         try (InputStream in = Files.newInputStream(urisPath)) {
 143                                 uris.load(in);
 144                         } catch (IOException e) {
 145                                 throw new IllegalStateException("Cannot load " + urisPath, e);
 146                         }
 147                 }
 148
 149                 // Eclipse mirrors
 150                 Path eclipseMirrorsPath = this.descriptorsBase.resolve("eclipse.mirrors.txt");
 151                 List<String> eclipseMirrors = new ArrayList<>();
 152                 if (Files.exists(eclipseMirrorsPath)) {
 153                         try {
 154                                 eclipseMirrors = Files.readAllLines(eclipseMirrorsPath, StandardCharsets.UTF_8);
 155                         } catch (IOException e) {
 156                                 throw new IllegalStateException("Cannot load " + eclipseMirrorsPath, e);
 157                         }
 158                         for (Iterator<String> it = eclipseMirrors.iterator(); it.hasNext();) {
 159                                 String value = it.next();
 160                                 if (value.strip().equals(""))
 161                                         it.remove();
 162                         }
 163                 }
 164                 mirrors.put("http://www.eclipse.org/downloads", eclipseMirrors);
 165         }
 166
 167         /*
 168          * MAVEN ORIGIN
 169          */
 170         /** Process a whole category/group id. */
 171         void processCategory(Path categoryRelativePath) {
 172                 try {
 173                         Path targetCategoryBase = descriptorsBase.resolve(categoryRelativePath);
 174                         DirectoryStream<Path> bnds = Files.newDirectoryStream(targetCategoryBase,
 175                                         (p) -> p.getFileName().toString().endsWith(".bnd") && !p.getFileName().toString().equals(COMMON_BND)
 176                                                         && !p.getFileName().toString().equals(MERGE_BND));
 177                         for (Path p : bnds) {
 178                                 processSingleM2ArtifactDistributionUnit(p);
 179                         }
 180
 181                         DirectoryStream<Path> dus = Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p));
 182                         for (Path duDir : dus) {
 183                                 if (duDir.getFileName().toString().startsWith("eclipse-")) {
 184                                         processEclipseArchive(duDir);
 185                                 } else {
 186                                         processM2BasedDistributionUnit(duDir);
 187                                 }
 188                         }
 189                 } catch (IOException e) {
 190                         throw new RuntimeException("Cannot process category " + categoryRelativePath, e);
 191                 }
 192         }
 193
 194         /** Process a standalone Maven artifact. */
 195         void processSingleM2ArtifactDistributionUnit(Path bndFile) {
 196                 try {
 197                         Path categoryRelativePath = descriptorsBase.relativize(bndFile.getParent());
 198                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 199
 200                         Properties fileProps = new Properties();
 201                         try (InputStream in = Files.newInputStream(bndFile)) {
 202                                 fileProps.load(in);
 203                         }
 204                         String repoStr = fileProps.containsKey(ARGEO_ORIGIN_M2_REPO.toString())
 205                                         ? fileProps.getProperty(ARGEO_ORIGIN_M2_REPO.toString())
 206                                         : null;
 207
 208                         if (!fileProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 209                                 // use file name as symbolic name
 210                                 String symbolicName = bndFile.getFileName().toString();
 211                                 symbolicName = symbolicName.substring(0, symbolicName.length() - ".bnd".length());
 212                                 fileProps.put(BUNDLE_SYMBOLICNAME.toString(), symbolicName);
 213                         }
 214
 215                         String m2Coordinates = fileProps.getProperty(ARGEO_ORIGIN_M2.toString());
 216                         if (m2Coordinates == null)
 217                                 throw new IllegalArgumentException("No M2 coordinates available for " + bndFile);
 218                         M2Artifact artifact = new M2Artifact(m2Coordinates);
 219                         URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 220                         Path downloaded = downloadMaven(url, artifact);
 221
 222                         Path targetBundleDir = processBndJar(downloaded, targetCategoryBase, fileProps, artifact);
 223                         downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 224
 225                         createJar(targetBundleDir);
 226                 } catch (Exception e) {
 227                         throw new RuntimeException("Cannot process " + bndFile, e);
 228                 }
 229         }
 230
 231         /** Process multiple Maven artifacts. */
 232         void processM2BasedDistributionUnit(Path duDir) {
 233                 try {
 234                         Path categoryRelativePath = descriptorsBase.relativize(duDir.getParent());
 235                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 236
 237                         Path mergeBnd = duDir.resolve(MERGE_BND);
 238                         if (Files.exists(mergeBnd)) // merge
 239                                 mergeM2Artifacts(mergeBnd);
 240
 241                         Path commonBnd = duDir.resolve(COMMON_BND);
 242                         if (!Files.exists(commonBnd))
 243                                 return;
 244
 245                         Properties commonProps = new Properties();
 246                         try (InputStream in = Files.newInputStream(commonBnd)) {
 247                                 commonProps.load(in);
 248                         }
 249
 250                         String m2Version = commonProps.getProperty(ARGEO_ORIGIN_M2.toString());
 251                         if (m2Version == null) {
 252                                 logger.log(WARNING, "Ignoring " + duDir + " as it is not an M2-based distribution unit");
 253                                 return;// ignore, this is probably an Eclipse archive
 254                         }
 255                         if (!m2Version.startsWith(":")) {
 256                                 throw new IllegalStateException("Only the M2 version can be specified: " + m2Version);
 257                         }
 258                         m2Version = m2Version.substring(1);
 259
 260                         DirectoryStream<Path> ds = Files.newDirectoryStream(duDir,
 261                                         (p) -> p.getFileName().toString().endsWith(".bnd") && !p.getFileName().toString().equals(COMMON_BND)
 262                                                         && !p.getFileName().toString().equals(MERGE_BND));
 263                         for (Path p : ds) {
 264                                 Properties fileProps = new Properties();
 265                                 try (InputStream in = Files.newInputStream(p)) {
 266                                         fileProps.load(in);
 267                                 }
 268                                 String m2Coordinates = fileProps.getProperty(ARGEO_ORIGIN_M2.toString());
 269                                 M2Artifact artifact = new M2Artifact(m2Coordinates);
 270                                 artifact.setVersion(m2Version);
 271
 272                                 // prepare manifest entries
 273                                 Properties mergeProps = new Properties();
 274                                 mergeProps.putAll(commonProps);
 275
 276                                 fileEntries: for (Object key : fileProps.keySet()) {
 277                                         if (ManifestConstants.ARGEO_ORIGIN_M2.toString().equals(key))
 278                                                 continue fileEntries;
 279                                         String value = fileProps.getProperty(key.toString());
 280                                         Object previousValue = mergeProps.put(key.toString(), value);
 281                                         if (previousValue != null) {
 282                                                 logger.log(WARNING,
 283                                                                 commonBnd + ": " + key + " was " + previousValue + ", overridden with " + value);
 284                                         }
 285                                 }
 286                                 mergeProps.put(ManifestConstants.ARGEO_ORIGIN_M2.toString(), artifact.toM2Coordinates());
 287                                 if (!mergeProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 288                                         // use file name as symbolic name
 289                                         String symbolicName = p.getFileName().toString();
 290                                         symbolicName = symbolicName.substring(0, symbolicName.length() - ".bnd".length());
 291                                         mergeProps.put(BUNDLE_SYMBOLICNAME.toString(), symbolicName);
 292                                 }
 293
 294                                 String repoStr = mergeProps.containsKey(ARGEO_ORIGIN_M2_REPO.toString())
 295                                                 ? mergeProps.getProperty(ARGEO_ORIGIN_M2_REPO.toString())
 296                                                 : null;
 297
 298                                 // download
 299                                 URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 300                                 Path downloaded = downloadMaven(url, artifact);
 301
 302                                 Path targetBundleDir = processBndJar(downloaded, targetCategoryBase, mergeProps, artifact);
 303                                 downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 304                                 createJar(targetBundleDir);
 305                         }
 306                 } catch (IOException e) {
 307                         throw new RuntimeException("Cannot process " + duDir, e);
 308                 }
 309         }
 310
 311         /** Merge multiple Maven artifacts. */
 312         void mergeM2Artifacts(Path mergeBnd) throws IOException {
 313                 Path duDir = mergeBnd.getParent();
 314                 String category = duDir.getParent().getFileName().toString();
 315                 Path targetCategoryBase = a2Base.resolve(category);
 316
 317                 Properties mergeProps = new Properties();
 318                 try (InputStream in = Files.newInputStream(mergeBnd)) {
 319                         mergeProps.load(in);
 320                 }
 321
 322                 String m2Version = mergeProps.getProperty(ARGEO_ORIGIN_M2.toString());
 323                 if (m2Version == null) {
 324                         logger.log(WARNING, "Ignoring " + duDir + " as it is not an M2-based distribution unit");
 325                         return;// ignore, this is probably an Eclipse archive
 326                 }
 327                 if (!m2Version.startsWith(":")) {
 328                         throw new IllegalStateException("Only the M2 version can be specified: " + m2Version);
 329                 }
 330                 m2Version = m2Version.substring(1);
 331                 mergeProps.put(ManifestConstants.BUNDLE_VERSION.toString(), m2Version);
 332
 333                 String artifactsStr = mergeProps.getProperty(ManifestConstants.ARGEO_ORIGIN_M2_MERGE.toString());
 334                 if (artifactsStr == null)
 335                         throw new IllegalArgumentException(
 336                                         mergeBnd + ": " + ManifestConstants.ARGEO_ORIGIN_M2_MERGE + " must be set");
 337
 338                 String repoStr = mergeProps.containsKey(ARGEO_ORIGIN_M2_REPO.toString())
 339                                 ? mergeProps.getProperty(ARGEO_ORIGIN_M2_REPO.toString())
 340                                 : null;
 341
 342                 String bundleSymbolicName = mergeProps.getProperty(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 343                 if (bundleSymbolicName == null)
 344                         throw new IllegalArgumentException("Bundle-SymbolicName must be set in " + mergeBnd);
 345                 CategoryNameVersion nameVersion = new M2Artifact(category + ":" + bundleSymbolicName + ":" + m2Version);
 346
 347                 Path targetBundleDir = targetCategoryBase.resolve(bundleSymbolicName + "." + nameVersion.getBranch());
 348
 349                 String[] artifacts = artifactsStr.split(",");
 350                 artifacts: for (String str : artifacts) {
 351                         String m2Coordinates = str.trim();
 352                         if ("".equals(m2Coordinates))
 353                                 continue artifacts;
 354                         M2Artifact artifact = new M2Artifact(m2Coordinates.trim());
 355                         if (artifact.getVersion() == null)
 356                                 artifact.setVersion(m2Version);
 357                         URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 358                         Path downloaded = downloadMaven(url, artifact);
 359                         JarEntry entry;
 360                         try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(downloaded), false)) {
 361                                 entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 362                                         if (entry.isDirectory())
 363                                                 continue entries;
 364                                         else if (entry.getName().endsWith(".RSA") || entry.getName().endsWith(".SF"))
 365                                                 continue entries;
 366                                         else if (entry.getName().startsWith("META-INF/versions/"))
 367                                                 continue entries;
 368                                         else if (entry.getName().startsWith("META-INF/maven/"))
 369                                                 continue entries;
 370                                         else if (entry.getName().equals("module-info.class"))
 371                                                 continue entries;
 372                                         else if (entry.getName().equals("META-INF/NOTICE"))
 373                                                 continue entries;
 374                                         else if (entry.getName().equals("META-INF/NOTICE.txt"))
 375                                                 continue entries;
 376                                         else if (entry.getName().equals("META-INF/LICENSE"))
 377                                                 continue entries;
 378                                         else if (entry.getName().equals("META-INF/LICENSE.md"))
 379                                                 continue entries;
 380                                         else if (entry.getName().equals("META-INF/LICENSE-notice.md"))
 381                                                 continue entries;
 382                                         else if (entry.getName().equals("META-INF/DEPENDENCIES"))
 383                                                 continue entries;
 384                                         if (entry.getName().startsWith(".cache/")) // Apache SSHD
 385                                                 continue entries;
 386                                         Path target = targetBundleDir.resolve(entry.getName());
 387                                         Files.createDirectories(target.getParent());
 388                                         if (!Files.exists(target)) {
 389                                                 Files.copy(jarIn, target);
 390                                         } else {
 391                                                 if (entry.getName().startsWith("META-INF/services/")) {
 392                                                         try (OutputStream out = Files.newOutputStream(target, StandardOpenOption.APPEND)) {
 393                                                                 out.write("\n".getBytes());
 394                                                                 jarIn.transferTo(out);
 395                                                                 logger.log(DEBUG, artifact.getArtifactId() + " - Appended " + entry.getName());
 396                                                         }
 397                                                 } else if (entry.getName().startsWith("org/apache/batik/")) {
 398                                                         logger.log(TRACE, "Skip " + entry.getName());
 399                                                         continue entries;
 400                                                 } else {
 401                                                         throw new IllegalStateException("File " + target + " from " + artifact + " already exists");
 402                                                 }
 403                                         }
 404                                         logger.log(TRACE, () -> "Copied " + target);
 405                                 }
 406
 407                         }
 408                         downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 409                 }
 410
 411                 // additional service files
 412                 Path servicesDir = duDir.resolve("services");
 413                 if (Files.exists(servicesDir)) {
 414                         for (Path p : Files.newDirectoryStream(servicesDir)) {
 415                                 Path target = targetBundleDir.resolve("META-INF/services/").resolve(p.getFileName());
 416                                 try (InputStream in = Files.newInputStream(p);
 417                                                 OutputStream out = Files.newOutputStream(target, StandardOpenOption.APPEND);) {
 418                                         out.write("\n".getBytes());
 419                                         in.transferTo(out);
 420                                         logger.log(DEBUG, "Appended " + p);
 421                                 }
 422                         }
 423                 }
 424
 425                 Map<String, String> entries = new TreeMap<>();
 426                 try (Analyzer bndAnalyzer = new Analyzer()) {
 427                         bndAnalyzer.setProperties(mergeProps);
 428                         Jar jar = new Jar(targetBundleDir.toFile());
 429                         bndAnalyzer.setJar(jar);
 430                         Manifest manifest = bndAnalyzer.calcManifest();
 431
 432                         keys: for (Object key : manifest.getMainAttributes().keySet()) {
 433                                 Object value = manifest.getMainAttributes().get(key);
 434
 435                                 switch (key.toString()) {
 436                                 case "Tool":
 437                                 case "Bnd-LastModified":
 438                                 case "Created-By":
 439                                         continue keys;
 440                                 }
 441                                 if ("Require-Capability".equals(key.toString())
 442                                                 && value.toString().equals("osgi.ee;filter:=\"(&(osgi.ee=JavaSE)(version=1.1))\""))
 443                                         continue keys;// hack for very old classes
 444                                 entries.put(key.toString(), value.toString());
 445                         }
 446                 } catch (Exception e) {
 447                         throw new RuntimeException("Cannot process " + mergeBnd, e);
 448                 }
 449
 450                 Manifest manifest = new Manifest();
 451                 Path manifestPath = targetBundleDir.resolve("META-INF/MANIFEST.MF");
 452                 Files.createDirectories(manifestPath.getParent());
 453                 for (String key : entries.keySet()) {
 454                         String value = entries.get(key);
 455                         manifest.getMainAttributes().putValue(key, value);
 456                 }
 457
 458                 try (OutputStream out = Files.newOutputStream(manifestPath)) {
 459                         manifest.write(out);
 460                 }
 461                 createJar(targetBundleDir);
 462         }
 463
 464         /** Generate MANIFEST using BND. */
 465         Path processBndJar(Path downloaded, Path targetCategoryBase, Properties fileProps, M2Artifact artifact) {
 466
 467                 try {
 468                         Map<String, String> additionalEntries = new TreeMap<>();
 469                         boolean doNotModify = Boolean.parseBoolean(fileProps
 470                                         .getOrDefault(ManifestConstants.ARGEO_ORIGIN_MANIFEST_NOT_MODIFIED.toString(), "false").toString());
 471
 472                         // we always force the symbolic name
 473
 474                         if (doNotModify) {
 475                                 fileEntries: for (Object key : fileProps.keySet()) {
 476                                         if (ManifestConstants.ARGEO_ORIGIN_M2.toString().equals(key))
 477                                                 continue fileEntries;
 478                                         String value = fileProps.getProperty(key.toString());
 479                                         additionalEntries.put(key.toString(), value);
 480                                 }
 481                         } else {
 482                                 if (artifact != null) {
 483                                         if (!fileProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 484                                                 fileProps.put(BUNDLE_SYMBOLICNAME.toString(), artifact.getName());
 485                                         }
 486                                         if (!fileProps.containsKey(BUNDLE_VERSION.toString())) {
 487                                                 fileProps.put(BUNDLE_VERSION.toString(), artifact.getVersion());
 488                                         }
 489                                 }
 490
 491                                 if (!fileProps.containsKey(EXPORT_PACKAGE.toString())) {
 492                                         fileProps.put(EXPORT_PACKAGE.toString(),
 493                                                         "*;version=\"" + fileProps.getProperty(BUNDLE_VERSION.toString()) + "\"");
 494                                 }
 495
 496                                 try (Analyzer bndAnalyzer = new Analyzer()) {
 497                                         bndAnalyzer.setProperties(fileProps);
 498                                         Jar jar = new Jar(downloaded.toFile());
 499                                         bndAnalyzer.setJar(jar);
 500                                         Manifest manifest = bndAnalyzer.calcManifest();
 501
 502                                         keys: for (Object key : manifest.getMainAttributes().keySet()) {
 503                                                 Object value = manifest.getMainAttributes().get(key);
 504
 505                                                 switch (key.toString()) {
 506                                                 case "Tool":
 507                                                 case "Bnd-LastModified":
 508                                                 case "Created-By":
 509                                                         continue keys;
 510                                                 }
 511                                                 if ("Require-Capability".equals(key.toString())
 512                                                                 && value.toString().equals("osgi.ee;filter:=\"(&(osgi.ee=JavaSE)(version=1.1))\""))
 513                                                         continue keys;// !! hack for very old classes
 514                                                 additionalEntries.put(key.toString(), value.toString());
 515                                         }
 516                                 }
 517                         }
 518                         Path targetBundleDir = processBundleJar(downloaded, targetCategoryBase, additionalEntries);
 519                         logger.log(DEBUG, () -> "Processed " + downloaded);
 520                         return targetBundleDir;
 521                 } catch (Exception e) {
 522                         throw new RuntimeException("Cannot BND process " + downloaded, e);
 523                 }
 524
 525         }
 526
 527         /** Download and integrates sources for a single Maven artifact. */
 528         void downloadAndProcessM2Sources(String repoStr, M2Artifact artifact, Path targetBundleDir) throws IOException {
 529                 try {
 530                         M2Artifact sourcesArtifact = new M2Artifact(artifact.toM2Coordinates(), "sources");
 531                         URL sourcesUrl = M2ConventionsUtils.mavenRepoUrl(repoStr, sourcesArtifact);
 532                         Path sourcesDownloaded = downloadMaven(sourcesUrl, artifact, true);
 533                         processM2SourceJar(sourcesDownloaded, targetBundleDir);
 534                         logger.log(TRACE, () -> "Processed source " + sourcesDownloaded);
 535                 } catch (Exception e) {
 536                         logger.log(ERROR, () -> "Cannot download source for  " + artifact);
 537                 }
 538
 539         }
 540
 541         /** Integrate sources from a downloaded jar file. */
 542         void processM2SourceJar(Path file, Path targetBundleDir) throws IOException {
 543                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 544                         Path targetSourceDir = sourceBundles
 545                                         ? targetBundleDir.getParent().resolve(targetBundleDir.toString() + ".src")
 546                                         : targetBundleDir.resolve("OSGI-OPT/src");
 547
 548                         Files.createDirectories(targetSourceDir);
 549                         JarEntry entry;
 550                         entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 551                                 if (entry.isDirectory())
 552                                         continue entries;
 553                                 if (entry.getName().startsWith("META-INF"))// skip META-INF entries
 554                                         continue entries;
 555                                 if (entry.getName().startsWith("module-info.java"))// skip META-INF entries
 556                                         continue entries;
 557                                 if (entry.getName().startsWith("/")) // absolute paths
 558                                         continue entries;
 559                                 Path target = targetSourceDir.resolve(entry.getName());
 560                                 Files.createDirectories(target.getParent());
 561                                 if (!Files.exists(target)) {
 562                                         Files.copy(jarIn, target);
 563                                         logger.log(TRACE, () -> "Copied source " + target);
 564                                 } else {
 565                                         logger.log(TRACE, () -> target + " already exists, skipping...");
 566                                 }
 567                         }
 568                 }
 569
 570         }
 571
 572         /** Download a Maven artifact. */
 573         Path downloadMaven(URL url, M2Artifact artifact) throws IOException {
 574                 return downloadMaven(url, artifact, false);
 575         }
 576
 577         /** Download a Maven artifact. */
 578         Path downloadMaven(URL url, M2Artifact artifact, boolean sources) throws IOException {
 579                 return download(url, mavenBase, artifact.getGroupId().replace(".", "/") //
 580                                 + '/' + artifact.getArtifactId() + '/' + artifact.getVersion() //
 581                                 + '/' + artifact.getArtifactId() + "-" + artifact.getVersion() + (sources ? "-sources" : "") + ".jar");
 582         }
 583
 584         /*
 585          * ECLIPSE ORIGIN
 586          */
 587         /** Process an archive in Eclipse format. */
 588         void processEclipseArchive(Path duDir) {
 589                 try {
 590                         Path categoryRelativePath = descriptorsBase.relativize(duDir.getParent());
 591                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 592                         Files.createDirectories(targetCategoryBase);
 593                         // first delete all directories from previous builds
 594                         for (Path dir : Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p)))
 595                                 deleteDirectory(dir);
 596
 597                         Files.createDirectories(originBase);
 598
 599                         Path commonBnd = duDir.resolve(COMMON_BND);
 600                         Properties commonProps = new Properties();
 601                         try (InputStream in = Files.newInputStream(commonBnd)) {
 602                                 commonProps.load(in);
 603                         }
 604                         String url = commonProps.getProperty(ManifestConstants.ARGEO_ORIGIN_URI.toString());
 605                         if (url == null) {
 606                                 url = uris.getProperty(duDir.getFileName().toString());
 607                                 if (url == null)
 608                                         throw new IllegalStateException("No url available for " + duDir);
 609                                 commonProps.put(ManifestConstants.ARGEO_ORIGIN_URI.toString(), url);
 610                         }
 611                         Path downloaded = tryDownloadArchive(url, originBase);
 612
 613                         FileSystem zipFs = FileSystems.newFileSystem(downloaded, (ClassLoader) null);
 614
 615                         // filters
 616                         List<PathMatcher> includeMatchers = new ArrayList<>();
 617                         Properties includes = new Properties();
 618                         try (InputStream in = Files.newInputStream(duDir.resolve("includes.properties"))) {
 619                                 includes.load(in);
 620                         }
 621                         for (Object pattern : includes.keySet()) {
 622                                 PathMatcher pathMatcher = zipFs.getPathMatcher("glob:/" + pattern);
 623                                 includeMatchers.add(pathMatcher);
 624                         }
 625
 626                         List<PathMatcher> excludeMatchers = new ArrayList<>();
 627                         Path excludeFile = duDir.resolve("excludes.properties");
 628                         if (Files.exists(excludeFile)) {
 629                                 Properties excludes = new Properties();
 630                                 try (InputStream in = Files.newInputStream(excludeFile)) {
 631                                         excludes.load(in);
 632                                 }
 633                                 for (Object pattern : excludes.keySet()) {
 634                                         PathMatcher pathMatcher = zipFs.getPathMatcher("glob:/" + pattern);
 635                                         excludeMatchers.add(pathMatcher);
 636                                 }
 637                         }
 638
 639                         Files.walkFileTree(zipFs.getRootDirectories().iterator().next(), new SimpleFileVisitor<Path>() {
 640
 641                                 @Override
 642                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 643                                         includeMatchers: for (PathMatcher includeMatcher : includeMatchers) {
 644                                                 if (includeMatcher.matches(file)) {
 645                                                         for (PathMatcher excludeMatcher : excludeMatchers) {
 646                                                                 if (excludeMatcher.matches(file)) {
 647                                                                         logger.log(TRACE, "Skipping excluded " + file);
 648                                                                         return FileVisitResult.CONTINUE;
 649                                                                 }
 650                                                         }
 651                                                         if (file.getFileName().toString().contains(".source_")) {
 652                                                                 processEclipseSourceJar(file, targetCategoryBase);
 653                                                                 logger.log(DEBUG, () -> "Processed source " + file);
 654                                                         } else {
 655                                                                 Map<String, String> map = new HashMap<>();
 656                                                                 for (Object key : commonProps.keySet())
 657                                                                         map.put(key.toString(), commonProps.getProperty(key.toString()));
 658                                                                 processBundleJar(file, targetCategoryBase, map);
 659                                                                 logger.log(DEBUG, () -> "Processed " + file);
 660                                                         }
 661                                                         break includeMatchers;
 662                                                 }
 663                                         }
 664                                         return FileVisitResult.CONTINUE;
 665                                 }
 666                         });
 667
 668                         DirectoryStream<Path> dirs = Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p)
 669                                         && p.getFileName().toString().indexOf('.') >= 0 && !p.getFileName().toString().endsWith(".src"));
 670                         for (Path dir : dirs) {
 671                                 createJar(dir);
 672                         }
 673                 } catch (IOException e) {
 674                         throw new RuntimeException("Cannot process " + duDir, e);
 675                 }
 676
 677         }
 678
 679         /** Process sources in Eclipse format. */
 680         void processEclipseSourceJar(Path file, Path targetBase) throws IOException {
 681                 try {
 682                         Path targetBundleDir;
 683                         try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 684                                 Manifest manifest = jarIn.getManifest();
 685
 686                                 String[] relatedBundle = manifest.getMainAttributes().getValue(ECLIPSE_SOURCE_BUNDLE.toString())
 687                                                 .split(";");
 688                                 String version = relatedBundle[1].substring("version=\"".length());
 689                                 version = version.substring(0, version.length() - 1);
 690                                 NameVersion nameVersion = new NameVersion(relatedBundle[0], version);
 691                                 targetBundleDir = targetBase.resolve(nameVersion.getName() + "." + nameVersion.getBranch());
 692
 693                                 Path targetSourceDir = sourceBundles
 694                                                 ? targetBundleDir.getParent().resolve(targetBundleDir.toString() + ".src")
 695                                                 : targetBundleDir.resolve("OSGI-OPT/src");
 696
 697                                 Files.createDirectories(targetSourceDir);
 698                                 JarEntry entry;
 699                                 entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 700                                         if (entry.isDirectory())
 701                                                 continue entries;
 702                                         if (entry.getName().startsWith("META-INF"))// skip META-INF entries
 703                                                 continue entries;
 704                                         Path target = targetSourceDir.resolve(entry.getName());
 705                                         Files.createDirectories(target.getParent());
 706                                         Files.copy(jarIn, target);
 707                                         logger.log(TRACE, () -> "Copied source " + target);
 708                                 }
 709                         }
 710                 } catch (IOException e) {
 711                         throw new IllegalStateException("Cannot process " + file, e);
 712                 }
 713         }
 714
 715         /*
 716          * COMMON PROCESSING
 717          */
 718         /** Normalise a bundle. */
 719         Path processBundleJar(Path file, Path targetBase, Map<String, String> entries) throws IOException {
 720                 NameVersion nameVersion;
 721                 Path targetBundleDir;
 722                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 723                         Manifest sourceManifest = jarIn.getManifest();
 724                         Manifest manifest = sourceManifest != null ? new Manifest(sourceManifest) : new Manifest();
 725
 726                         // singleton
 727                         boolean isSingleton = false;
 728                         String rawSourceSymbolicName = manifest.getMainAttributes()
 729                                         .getValue(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 730                         if (rawSourceSymbolicName != null) {
 731                                 // make sure there is no directive
 732                                 String[] arr = rawSourceSymbolicName.split(";");
 733                                 for (int i = 1; i < arr.length; i++) {
 734                                         if (arr[i].trim().equals("singleton:=true"))
 735                                                 isSingleton = true;
 736                                         logger.log(DEBUG, file.getFileName() + " is a singleton");
 737                                 }
 738                         }
 739                         // remove problematic entries in MANIFEST
 740                         manifest.getEntries().clear();
 741
 742                         String ourSymbolicName = entries.get(BUNDLE_SYMBOLICNAME.toString());
 743                         String ourVersion = entries.get(BUNDLE_VERSION.toString());
 744
 745                         if (ourSymbolicName != null && ourVersion != null) {
 746                                 nameVersion = new NameVersion(ourSymbolicName, ourVersion);
 747                         } else {
 748                                 nameVersion = nameVersionFromManifest(manifest);
 749                                 if (ourVersion != null && !nameVersion.getVersion().equals(ourVersion)) {
 750                                         logger.log(WARNING,
 751                                                         "Original version is " + nameVersion.getVersion() + " while new version is " + ourVersion);
 752                                         entries.put(BUNDLE_VERSION.toString(), ourVersion);
 753                                 }
 754                                 if (ourSymbolicName != null) {
 755                                         // we always force our symbolic name
 756                                         nameVersion.setName(ourSymbolicName);
 757                                 }
 758                         }
 759                         targetBundleDir = targetBase.resolve(nameVersion.getName() + "." + nameVersion.getBranch());
 760
 761                         // force Java 9 module name
 762                         entries.put(ManifestConstants.AUTOMATIC_MODULE_NAME.toString(), nameVersion.getName());
 763
 764                         boolean isNative = false;
 765                         String os = null;
 766                         String arch = null;
 767                         if (targetBundleDir.startsWith(a2LibBase)) {
 768                                 isNative = true;
 769                                 Path libRelativePath = a2LibBase.relativize(targetBundleDir);
 770                                 os = libRelativePath.getName(0).toString();
 771                                 arch = libRelativePath.getName(1).toString();
 772                         }
 773
 774                         // copy entries
 775                         JarEntry entry;
 776                         entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 777                                 if (entry.isDirectory())
 778                                         continue entries;
 779                                 if (entry.getName().endsWith(".RSA") || entry.getName().endsWith(".SF"))
 780                                         continue entries;
 781                                 if (entry.getName().endsWith("module-info.class")) // skip Java 9 module info
 782                                         continue entries;
 783                                 if (entry.getName().startsWith("META-INF/versions/")) // skip multi-version
 784                                         continue entries;
 785                                 // skip file system providers as they cause issues with native image
 786                                 if (entry.getName().startsWith("META-INF/services/java.nio.file.spi.FileSystemProvider"))
 787                                         continue entries;
 788                                 if (entry.getName().startsWith("OSGI-OPT/src/")) // skip embedded sources
 789                                         continue entries;
 790                                 Path target = targetBundleDir.resolve(entry.getName());
 791                                 Files.createDirectories(target.getParent());
 792                                 Files.copy(jarIn, target);
 793
 794                                 // native libraries
 795                                 if (isNative && (entry.getName().endsWith(".so") || entry.getName().endsWith(".dll")
 796                                                 || entry.getName().endsWith(".jnilib"))) {
 797                                         Path categoryDir = targetBundleDir.getParent();
 798                                         boolean copyDll = false;
 799                                         Path targetDll = categoryDir.resolve(targetBundleDir.relativize(target));
 800                                         if (nameVersion.getName().equals("com.sun.jna")) {
 801                                                 if (arch.equals("x86_64"))
 802                                                         arch = "x86-64";
 803                                                 if (os.equals("macosx"))
 804                                                         os = "darwin";
 805                                                 if (target.getParent().getFileName().toString().equals(os + "-" + arch)) {
 806                                                         copyDll = true;
 807                                                 }
 808                                                 targetDll = categoryDir.resolve(target.getFileName());
 809                                         } else {
 810                                                 copyDll = true;
 811                                         }
 812                                         if (copyDll) {
 813                                                 Files.createDirectories(targetDll.getParent());
 814                                                 if (Files.exists(targetDll))
 815                                                         Files.delete(targetDll);
 816                                                 Files.copy(target, targetDll);
 817                                         }
 818                                         Files.delete(target);
 819                                 }
 820                                 logger.log(TRACE, () -> "Copied " + target);
 821                         }
 822
 823                         // copy MANIFEST
 824                         Path manifestPath = targetBundleDir.resolve("META-INF/MANIFEST.MF");
 825                         Files.createDirectories(manifestPath.getParent());
 826
 827                         if (isSingleton && entries.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 828                                 entries.put(BUNDLE_SYMBOLICNAME.toString(),
 829                                                 entries.get(BUNDLE_SYMBOLICNAME.toString()) + ";singleton:=true");
 830                         }
 831
 832                         // Final MANIFEST decisions
 833                         // This also where we check the original OSGi metadata and compare with our
 834                         // changes
 835                         for (String key : entries.keySet()) {
 836                                 String value = entries.get(key);
 837                                 String previousValue = manifest.getMainAttributes().getValue(key);
 838                                 boolean wasDifferent = previousValue != null && !previousValue.equals(value);
 839                                 boolean keepPrevious = false;
 840                                 if (wasDifferent) {
 841                                         if (SPDX_LICENSE_IDENTIFIER.toString().equals(key) && previousValue != null)
 842                                                 keepPrevious = true;
 843                                         else if (BUNDLE_VERSION.toString().equals(key) && wasDifferent)
 844                                                 if (previousValue.equals(value + ".0")) // typically a Maven first release
 845                                                         keepPrevious = true;
 846
 847                                         if (keepPrevious) {
 848                                                 if (logger.isLoggable(TRACE))
 849                                                         logger.log(TRACE, file.getFileName() + ": " + key + " was NOT modified, value kept is "
 850                                                                         + previousValue + ", not overriden with " + value);
 851                                                 value = previousValue;
 852                                         }
 853                                 }
 854
 855                                 manifest.getMainAttributes().putValue(key, value);
 856                                 if (wasDifferent && !keepPrevious) {
 857                                         if (IMPORT_PACKAGE.toString().equals(key) || EXPORT_PACKAGE.toString().equals(key))
 858                                                 logger.log(TRACE, () -> file.getFileName() + ": " + key + " was modified");
 859                                         else
 860                                                 logger.log(WARNING, file.getFileName() + ": " + key + " was " + previousValue
 861                                                                 + ", overridden with " + value);
 862                                 }
 863
 864                                 // !! hack to remove unresolvable
 865                                 if (key.equals("Provide-Capability") || key.equals("Require-Capability"))
 866                                         if (nameVersion.getName().equals("osgi.core") || nameVersion.getName().equals("osgi.cmpn")) {
 867                                                 manifest.getMainAttributes().remove(key);
 868                                         }
 869                         }
 870
 871                         // last checks
 872                         String spdxLicenceId = manifest.getMainAttributes().getValue(SPDX_LICENSE_IDENTIFIER.toString());
 873                         String bundleLicense = manifest.getMainAttributes().getValue(BUNDLE_LICENSE.toString());
 874                         if (spdxLicenceId == null)
 875                                 logger.log(WARNING, file.getFileName() + ": " + SPDX_LICENSE_IDENTIFIER + " not available, "
 876                                                 + BUNDLE_LICENSE + " is " + bundleLicense);
 877
 878                         try (OutputStream out = Files.newOutputStream(manifestPath)) {
 879                                 manifest.write(out);
 880                         }
 881                 }
 882                 return targetBundleDir;
 883         }
 884
 885         /*
 886          * UTILITIES
 887          */
 888         /** Recursively deletes a directory. */
 889         static void deleteDirectory(Path path) throws IOException {
 890                 if (!Files.exists(path))
 891                         return;
 892                 Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
 893                         @Override
 894                         public FileVisitResult postVisitDirectory(Path directory, IOException e) throws IOException {
 895                                 if (e != null)
 896                                         throw e;
 897                                 Files.delete(directory);
 898                                 return CONTINUE;
 899                         }
 900
 901                         @Override
 902                         public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 903                                 Files.delete(file);
 904                                 return CONTINUE;
 905                         }
 906                 });
 907         }
 908
 909         /** Extract name/version from a MANIFEST. */
 910         NameVersion nameVersionFromManifest(Manifest manifest) {
 911                 Attributes attrs = manifest.getMainAttributes();
 912                 // symbolic name
 913                 String symbolicName = attrs.getValue(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 914                 if (symbolicName == null)
 915                         return null;
 916                 // make sure there is no directive
 917                 symbolicName = symbolicName.split(";")[0];
 918
 919                 String version = attrs.getValue(ManifestConstants.BUNDLE_VERSION.toString());
 920                 return new NameVersion(symbolicName, version);
 921         }
 922
 923         /** Try to download from an URI. */
 924         Path tryDownloadArchive(String uri, Path dir) throws IOException {
 925                 // find mirror
 926                 List<String> urlBases = null;
 927                 String uriPrefix = null;
 928                 uriPrefixes: for (String uriPref : mirrors.keySet()) {
 929                         if (uri.startsWith(uriPref)) {
 930                                 if (mirrors.get(uriPref).size() > 0) {
 931                                         urlBases = mirrors.get(uriPref);
 932                                         uriPrefix = uriPref;
 933                                         break uriPrefixes;
 934                                 }
 935                         }
 936                 }
 937                 if (urlBases == null)
 938                         try {
 939                                 return downloadArchive(new URL(uri), dir);
 940                         } catch (FileNotFoundException e) {
 941                                 throw new FileNotFoundException("Cannot find " + uri);
 942                         }
 943
 944                 // try to download
 945                 for (String urlBase : urlBases) {
 946                         String relativePath = uri.substring(uriPrefix.length());
 947                         URL url = new URL(urlBase + relativePath);
 948                         try {
 949                                 return downloadArchive(url, dir);
 950                         } catch (FileNotFoundException e) {
 951                                 logger.log(WARNING, "Cannot download " + url + ", trying another mirror");
 952                         }
 953                 }
 954                 throw new FileNotFoundException("Cannot find " + uri);
 955         }
 956
 957         /**
 958          * Effectively download. Synchronised in order to avoid downloading twice in
 959          * parallel.
 960          */
 961         synchronized Path downloadArchive(URL url, Path dir) throws IOException {
 962                 return download(url, dir, (String) null);
 963         }
 964
 965         /** Effectively download. */
 966         Path download(URL url, Path dir, String name) throws IOException {
 967
 968                 Path dest;
 969                 if (name == null) {
 970                         // We use also use parent directory in case the archive itself has a fixed name
 971                         String[] segments = url.getPath().split("/");
 972                         name = segments.length > 1 ? segments[segments.length - 2] + '-' + segments[segments.length - 1]
 973                                         : segments[segments.length - 1];
 974                 }
 975
 976                 dest = dir.resolve(name);
 977                 if (Files.exists(dest)) {
 978                         logger.log(TRACE, () -> "File " + dest + " already exists for " + url + ", not downloading again");
 979                         return dest;
 980                 } else {
 981                         Files.createDirectories(dest.getParent());
 982                 }
 983
 984                 try (InputStream in = url.openStream()) {
 985                         Files.copy(in, dest);
 986                         logger.log(DEBUG, () -> "Downloaded " + dest + " from " + url);
 987                 }
 988                 return dest;
 989         }
 990
 991         /** Create a JAR file from a directory. */
 992         Path createJar(Path bundleDir) throws IOException {
 993                 // Create the jar
 994                 Path jarPath = bundleDir.getParent().resolve(bundleDir.getFileName() + ".jar");
 995                 Path manifestPath = bundleDir.resolve("META-INF/MANIFEST.MF");
 996                 Manifest manifest;
 997                 try (InputStream in = Files.newInputStream(manifestPath)) {
 998                         manifest = new Manifest(in);
 999                 }
1000                 try (JarOutputStream jarOut = new JarOutputStream(Files.newOutputStream(jarPath), manifest)) {
1001                         jarOut.setLevel(Deflater.DEFAULT_COMPRESSION);
1002                         Files.walkFileTree(bundleDir, new SimpleFileVisitor<Path>() {
1003
1004                                 @Override
1005                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
1006                                         if (file.getFileName().toString().equals("MANIFEST.MF"))
1007                                                 return super.visitFile(file, attrs);
1008                                         JarEntry entry = new JarEntry(
1009                                                         bundleDir.relativize(file).toString().replace(File.separatorChar, '/'));
1010                                         jarOut.putNextEntry(entry);
1011                                         Files.copy(file, jarOut);
1012                                         return super.visitFile(file, attrs);
1013                                 }
1014
1015                         });
1016                 }
1017                 deleteDirectory(bundleDir);
1018
1019                 if (sourceBundles) {
1020                         Path bundleCategoryDir = bundleDir.getParent();
1021                         Path sourceDir = bundleCategoryDir.resolve(bundleDir.toString() + ".src");
1022                         if (!Files.exists(sourceDir)) {
1023                                 logger.log(WARNING, sourceDir + " does not exist, skipping...");
1024                                 return jarPath;
1025
1026                         }
1027
1028                         Path relPath = a2Base.relativize(bundleCategoryDir);
1029                         Path srcCategoryDir = a2SrcBase.resolve(relPath);
1030                         Path srcJarP = srcCategoryDir.resolve(sourceDir.getFileName() + ".jar");
1031                         Files.createDirectories(srcJarP.getParent());
1032
1033                         String bundleSymbolicName = manifest.getMainAttributes().getValue("Bundle-SymbolicName").toString();
1034                         // in case there are additional directives
1035                         bundleSymbolicName = bundleSymbolicName.split(";")[0];
1036                         Manifest srcManifest = new Manifest();
1037                         srcManifest.getMainAttributes().put(MANIFEST_VERSION, "1.0");
1038                         srcManifest.getMainAttributes().putValue(BUNDLE_SYMBOLICNAME.toString(), bundleSymbolicName + ".src");
1039                         srcManifest.getMainAttributes().putValue(BUNDLE_VERSION.toString(),
1040                                         manifest.getMainAttributes().getValue(BUNDLE_VERSION.toString()).toString());
1041                         srcManifest.getMainAttributes().putValue(ECLIPSE_SOURCE_BUNDLE.toString(), bundleSymbolicName
1042                                         + ";version=\"" + manifest.getMainAttributes().getValue(BUNDLE_VERSION.toString()));
1043
1044                         try (JarOutputStream srcJarOut = new JarOutputStream(Files.newOutputStream(srcJarP), srcManifest)) {
1045                                 srcJarOut.setLevel(Deflater.BEST_COMPRESSION);
1046                                 Files.walkFileTree(sourceDir, new SimpleFileVisitor<Path>() {
1047
1048                                         @Override
1049                                         public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
1050                                                 if (file.getFileName().toString().equals("MANIFEST.MF"))
1051                                                         return super.visitFile(file, attrs);
1052                                                 JarEntry entry = new JarEntry(
1053                                                                 sourceDir.relativize(file).toString().replace(File.separatorChar, '/'));
1054                                                 srcJarOut.putNextEntry(entry);
1055                                                 Files.copy(file, srcJarOut);
1056                                                 return super.visitFile(file, attrs);
1057                                         }
1058
1059                                 });
1060                         }
1061                         deleteDirectory(sourceDir);
1062                 }
1063
1064                 return jarPath;
1065         }
1066
1067         /** MANIFEST headers. */
1068         enum ManifestConstants {
1069                 // OSGi
1070                 /** OSGi bundle symbolic name. */
1071                 BUNDLE_SYMBOLICNAME("Bundle-SymbolicName"), //
1072                 /** OSGi bundle version. */
1073                 BUNDLE_VERSION("Bundle-Version"), //
1074                 /** OSGi bundle license. */
1075                 BUNDLE_LICENSE("Bundle-License"), //
1076                 /** OSGi exported packages list. */
1077                 EXPORT_PACKAGE("Export-Package"), //
1078                 /** OSGi imported packages list. */
1079                 IMPORT_PACKAGE("Import-Package"), //
1080                 // Java
1081                 /** Java module name. */
1082                 AUTOMATIC_MODULE_NAME("Automatic-Module-Name"), //
1083                 // Eclipse
1084                 /** Eclipse source bundle. */
1085                 ECLIPSE_SOURCE_BUNDLE("Eclipse-SourceBundle"), //
1086                 // SPDX
1087                 /**
1088                  * SPDX license identifier.
1089                  *
1090                  * @see https://spdx.org/licenses/
1091                  */
1092                 SPDX_LICENSE_IDENTIFIER("SPDX-License-Identifier"), //
1093                 // Argeo Origin
1094                 /**
1095                  * Maven coordinates of the origin, possibly partial when using common.bnd or
1096                  * merge.bnd.
1097                  */
1098                 ARGEO_ORIGIN_M2("Argeo-Origin-M2"), //
1099                 /** List of Maven coordinates to merge. */
1100                 ARGEO_ORIGIN_M2_MERGE("Argeo-Origin-M2-Merge"), //
1101                 /** Maven repository if not the default one. */
1102                 ARGEO_ORIGIN_M2_REPO("Argeo-Origin-M2-Repo"), //
1103                 /**
1104                  * Do not perform BND analysis of the origin component. Typically IMport_package
1105                  * and Export-Package will be kept untouched.
1106                  */
1107                 ARGEO_ORIGIN_MANIFEST_NOT_MODIFIED("Argeo-Origin-ManifestNotModified"), //
1108                 /**
1109                  * Origin (non-Maven) URI of the component. It may be anything (jar, archive,
1110                  * etc.).
1111                  */
1112                 ARGEO_ORIGIN_URI("Argeo-Origin-URI"), //
1113                 ;
1114
1115                 final String value;
1116
1117                 private ManifestConstants(String value) {
1118                         this.value = value;
1119                 }
1120
1121                 @Override
1122                 public String toString() {
1123                         return value;
1124                 }
1125         }
1126 }
1127
1128 /** Simple representation of an M2 artifact. */
1129 class M2Artifact extends CategoryNameVersion {
1130         private String classifier;
1131
1132         M2Artifact(String m2coordinates) {
1133                 this(m2coordinates, null);
1134         }
1135
1136         M2Artifact(String m2coordinates, String classifier) {
1137                 String[] parts = m2coordinates.split(":");
1138                 setCategory(parts[0]);
1139                 setName(parts[1]);
1140                 if (parts.length > 2) {
1141                         setVersion(parts[2]);
1142                 }
1143                 this.classifier = classifier;
1144         }
1145
1146         String getGroupId() {
1147                 return super.getCategory();
1148         }
1149
1150         String getArtifactId() {
1151                 return super.getName();
1152         }
1153
1154         String toM2Coordinates() {
1155                 return getCategory() + ":" + getName() + (getVersion() != null ? ":" + getVersion() : "");
1156         }
1157
1158         String getClassifier() {
1159                 return classifier != null ? classifier : "";
1160         }
1161
1162         String getExtension() {
1163                 return "jar";
1164         }
1165 }
1166
1167 /** Utilities around Maven (conventions based). */
1168 class M2ConventionsUtils {
1169         final static String MAVEN_CENTRAL_BASE_URL = "https://repo1.maven.org/maven2/";
1170
1171         /** The file name of this artifact when stored */
1172         static String artifactFileName(M2Artifact artifact) {
1173                 return artifact.getArtifactId() + '-' + artifact.getVersion()
1174                                 + (artifact.getClassifier().equals("") ? "" : '-' + artifact.getClassifier()) + '.'
1175                                 + artifact.getExtension();
1176         }
1177
1178         /** Absolute path to the file */
1179         static String artifactPath(String artifactBasePath, M2Artifact artifact) {
1180                 return artifactParentPath(artifactBasePath, artifact) + '/' + artifactFileName(artifact);
1181         }
1182
1183         /** Absolute path to the file */
1184         static String artifactUrl(String repoUrl, M2Artifact artifact) {
1185                 if (repoUrl.endsWith("/"))
1186                         return repoUrl + artifactPath("/", artifact).substring(1);
1187                 else
1188                         return repoUrl + artifactPath("/", artifact);
1189         }
1190
1191         /** Absolute path to the file */
1192         static URL mavenRepoUrl(String repoBase, M2Artifact artifact) {
1193                 String url = artifactUrl(repoBase == null ? MAVEN_CENTRAL_BASE_URL : repoBase, artifact);
1194                 try {
1195                         return new URL(url);
1196                 } catch (MalformedURLException e) {
1197                         // it should not happen
1198                         throw new IllegalStateException(e);
1199                 }
1200         }
1201
1202         /** Absolute path to the directories where the files will be stored */
1203         static String artifactParentPath(String artifactBasePath, M2Artifact artifact) {
1204                 return artifactBasePath + (artifactBasePath.endsWith("/") ? "" : "/") + artifactParentPath(artifact);
1205         }
1206
1207         /** Relative path to the directories where the files will be stored */
1208         static String artifactParentPath(M2Artifact artifact) {
1209                 return artifact.getGroupId().replace('.', '/') + '/' + artifact.getArtifactId() + '/' + artifact.getVersion();
1210         }
1211
1212         /** Singleton */
1213         private M2ConventionsUtils() {
1214         }
1215 }
1216
1217 /** Combination of a category, a name and a version. */
1218 class CategoryNameVersion extends NameVersion {
1219         private String category;
1220
1221         CategoryNameVersion() {
1222         }
1223
1224         CategoryNameVersion(String category, String name, String version) {
1225                 super(name, version);
1226                 this.category = category;
1227         }
1228
1229         CategoryNameVersion(String category, NameVersion nameVersion) {
1230                 super(nameVersion);
1231                 this.category = category;
1232         }
1233
1234         String getCategory() {
1235                 return category;
1236         }
1237
1238         void setCategory(String category) {
1239                 this.category = category;
1240         }
1241
1242         @Override
1243         public String toString() {
1244                 return category + ":" + super.toString();
1245         }
1246
1247 }
1248
1249 /** Combination of a name and a version. */
1250 class NameVersion implements Comparable<NameVersion> {
1251         private String name;
1252         private String version;
1253
1254         NameVersion() {
1255         }
1256
1257         /** Interprets string in OSGi-like format my.module.name;version=0.0.0 */
1258         NameVersion(String nameVersion) {
1259                 int index = nameVersion.indexOf(";version=");
1260                 if (index < 0) {
1261                         setName(nameVersion);
1262                         setVersion(null);
1263                 } else {
1264                         setName(nameVersion.substring(0, index));
1265                         setVersion(nameVersion.substring(index + ";version=".length()));
1266                 }
1267         }
1268
1269         NameVersion(String name, String version) {
1270                 this.name = name;
1271                 this.version = version;
1272         }
1273
1274         NameVersion(NameVersion nameVersion) {
1275                 this.name = nameVersion.getName();
1276                 this.version = nameVersion.getVersion();
1277         }
1278
1279         String getName() {
1280                 return name;
1281         }
1282
1283         void setName(String name) {
1284                 this.name = name;
1285         }
1286
1287         String getVersion() {
1288                 return version;
1289         }
1290
1291         void setVersion(String version) {
1292                 this.version = version;
1293         }
1294
1295         String getBranch() {
1296                 String[] parts = getVersion().split("\\.");
1297                 if (parts.length < 2)
1298                         throw new IllegalStateException("Version " + getVersion() + " cannot be interpreted as branch.");
1299                 return parts[0] + "." + parts[1];
1300         }
1301
1302         @Override
1303         public boolean equals(Object obj) {
1304                 if (obj instanceof NameVersion) {
1305                         NameVersion nameVersion = (NameVersion) obj;
1306                         return name.equals(nameVersion.getName()) && version.equals(nameVersion.getVersion());
1307                 } else
1308                         return false;
1309         }
1310
1311         @Override
1312         public int hashCode() {
1313                 return name.hashCode();
1314         }
1315
1316         @Override
1317         public String toString() {
1318                 return name + ":" + version;
1319         }
1320
1321         public int compareTo(NameVersion o) {
1322                 if (o.getName().equals(name))
1323                         return version.compareTo(o.getVersion());
1324                 else
1325                         return name.compareTo(o.getName());
1326         }
1327 }