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 org.argeo.build.Repackage.ManifestConstants.BUNDLE_SYMBOLICNAME;
  10 import static org.argeo.build.Repackage.ManifestConstants.BUNDLE_VERSION;
  11 import static org.argeo.build.Repackage.ManifestConstants.EXPORT_PACKAGE;
  12 import static org.argeo.build.Repackage.ManifestConstants.SLC_ORIGIN_M2;
  13 import static org.argeo.build.Repackage.ManifestConstants.SLC_ORIGIN_M2_REPO;
  14
  15 import java.io.File;
  16 import java.io.FileNotFoundException;
  17 import java.io.IOException;
  18 import java.io.InputStream;
  19 import java.io.OutputStream;
  20 import java.lang.System.Logger;
  21 import java.net.MalformedURLException;
  22 import java.net.URL;
  23 import java.nio.charset.StandardCharsets;
  24 import java.nio.file.DirectoryStream;
  25 import java.nio.file.FileSystem;
  26 import java.nio.file.FileSystems;
  27 import java.nio.file.FileVisitResult;
  28 import java.nio.file.Files;
  29 import java.nio.file.Path;
  30 import java.nio.file.PathMatcher;
  31 import java.nio.file.Paths;
  32 import java.nio.file.SimpleFileVisitor;
  33 import java.nio.file.StandardOpenOption;
  34 import java.nio.file.attribute.BasicFileAttributes;
  35 import java.util.ArrayList;
  36 import java.util.HashMap;
  37 import java.util.Iterator;
  38 import java.util.List;
  39 import java.util.Map;
  40 import java.util.Objects;
  41 import java.util.Properties;
  42 import java.util.TreeMap;
  43 import java.util.concurrent.CompletableFuture;
  44 import java.util.jar.Attributes;
  45 import java.util.jar.JarEntry;
  46 import java.util.jar.JarInputStream;
  47 import java.util.jar.JarOutputStream;
  48 import java.util.jar.Manifest;
  49 import java.util.zip.Deflater;
  50
  51 import aQute.bnd.osgi.Analyzer;
  52 import aQute.bnd.osgi.Jar;
  53
  54 /** The central class for A2 packaging. */
  55 public class Repackage {
  56         private final static Logger logger = System.getLogger(Repackage.class.getName());
  57
  58         private final static String ENV_BUILD_SOURCE_BUNDLES = "BUILD_SOURCE_BUNDLES";
  59
  60         private final static boolean parallel = true;
  61
  62         /** Main entry point. */
  63         public static void main(String[] args) {
  64                 if (args.length < 2) {
  65                         System.err.println("Usage: <path to a2 output dir> <category1> <category2> ...");
  66                         System.exit(1);
  67                 }
  68                 Path a2Base = Paths.get(args[0]).toAbsolutePath().normalize();
  69                 Path descriptorsBase = Paths.get(".").toAbsolutePath().normalize();
  70                 Repackage factory = new Repackage(a2Base, descriptorsBase);
  71
  72                 List<CompletableFuture<Void>> toDos = new ArrayList<>();
  73                 for (int i = 1; i < args.length; i++) {
  74                         Path p = Paths.get(args[i]);
  75                         if (parallel)
  76                                 toDos.add(CompletableFuture.runAsync(() -> factory.processCategory(p)));
  77                         else
  78                                 factory.processCategory(p);
  79                 }
  80                 CompletableFuture.allOf(toDos.toArray(new CompletableFuture[toDos.size()])).join();
  81         }
  82
  83         private final static String COMMON_BND = "common.bnd";
  84         private final static String MERGE_BND = "merge.bnd";
  85
  86         private Path originBase;
  87         private Path mavenBase;
  88
  89         private Path a2Base;
  90         private Path a2SrcBase;
  91         private Path a2LibBase;
  92         private Path descriptorsBase;
  93
  94         private Properties uris = new Properties();
  95
  96         /** key is URI prefix, value list of base URLs */
  97         private Map<String, List<String>> mirrors = new HashMap<String, List<String>>();
  98
  99         private final boolean sourceBundles;
 100
 101         public Repackage(Path a2Base, Path descriptorsBase) {
 102                 sourceBundles = Boolean.parseBoolean(System.getenv(ENV_BUILD_SOURCE_BUNDLES));
 103                 if (sourceBundles)
 104                         logger.log(INFO, "Sources will be packaged separately");
 105
 106                 Objects.requireNonNull(a2Base);
 107                 Objects.requireNonNull(descriptorsBase);
 108                 this.originBase = Paths.get(System.getProperty("user.home"), ".cache", "argeo/build/origin");
 109                 this.mavenBase = Paths.get(System.getProperty("user.home"), ".m2", "repository");
 110
 111                 // TODO define and use a build base
 112                 this.a2Base = a2Base;
 113                 this.a2SrcBase = a2Base.getParent().resolve(a2Base.getFileName() + ".src");
 114                 this.a2LibBase = a2Base.resolve("lib");
 115                 this.descriptorsBase = descriptorsBase;
 116                 if (!Files.exists(this.descriptorsBase))
 117                         throw new IllegalArgumentException(this.descriptorsBase + " does not exist");
 118
 119                 // URIs mapping
 120                 Path urisPath = this.descriptorsBase.resolve("uris.properties");
 121                 if (Files.exists(urisPath)) {
 122                         try (InputStream in = Files.newInputStream(urisPath)) {
 123                                 uris.load(in);
 124                         } catch (IOException e) {
 125                                 throw new IllegalStateException("Cannot load " + urisPath, e);
 126                         }
 127                 }
 128
 129                 // Eclipse mirrors
 130                 Path eclipseMirrorsPath = this.descriptorsBase.resolve("eclipse.mirrors.txt");
 131                 List<String> eclipseMirrors = new ArrayList<>();
 132                 if (Files.exists(eclipseMirrorsPath)) {
 133                         try {
 134                                 eclipseMirrors = Files.readAllLines(eclipseMirrorsPath, StandardCharsets.UTF_8);
 135                         } catch (IOException e) {
 136                                 throw new IllegalStateException("Cannot load " + eclipseMirrorsPath, e);
 137                         }
 138                         for (Iterator<String> it = eclipseMirrors.iterator(); it.hasNext();) {
 139                                 String value = it.next();
 140                                 if (value.strip().equals(""))
 141                                         it.remove();
 142                         }
 143                 }
 144                 mirrors.put("http://www.eclipse.org/downloads", eclipseMirrors);
 145         }
 146
 147         /*
 148          * MAVEN ORIGIN
 149          */
 150         /** Process a whole category/group id. */
 151         public void processCategory(Path categoryRelativePath) {
 152                 try {
 153                         Path targetCategoryBase = descriptorsBase.resolve(categoryRelativePath);
 154                         DirectoryStream<Path> bnds = Files.newDirectoryStream(targetCategoryBase,
 155                                         (p) -> p.getFileName().toString().endsWith(".bnd") && !p.getFileName().toString().equals(COMMON_BND)
 156                                                         && !p.getFileName().toString().equals(MERGE_BND));
 157                         for (Path p : bnds) {
 158                                 processSingleM2ArtifactDistributionUnit(p);
 159                         }
 160
 161                         DirectoryStream<Path> dus = Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p));
 162                         for (Path duDir : dus) {
 163                                 if (duDir.getFileName().toString().startsWith("eclipse-")) {
 164                                         processEclipseArchive(duDir);
 165                                 } else {
 166                                         processM2BasedDistributionUnit(duDir);
 167                                 }
 168                         }
 169                 } catch (IOException e) {
 170                         throw new RuntimeException("Cannot process category " + categoryRelativePath, e);
 171                 }
 172         }
 173
 174         /** Process a standalone Maven artifact. */
 175         public void processSingleM2ArtifactDistributionUnit(Path bndFile) {
 176                 try {
 177                         Path categoryRelativePath = descriptorsBase.relativize(bndFile.getParent());
 178                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 179
 180                         Properties fileProps = new Properties();
 181                         try (InputStream in = Files.newInputStream(bndFile)) {
 182                                 fileProps.load(in);
 183                         }
 184                         String repoStr = fileProps.containsKey(SLC_ORIGIN_M2_REPO.toString())
 185                                         ? fileProps.getProperty(SLC_ORIGIN_M2_REPO.toString())
 186                                         : null;
 187
 188                         if (!fileProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 189                                 // use file name as symbolic name
 190                                 String symbolicName = bndFile.getFileName().toString();
 191                                 symbolicName = symbolicName.substring(0, symbolicName.length() - ".bnd".length());
 192                                 fileProps.put(BUNDLE_SYMBOLICNAME.toString(), symbolicName);
 193                         }
 194
 195                         String m2Coordinates = fileProps.getProperty(SLC_ORIGIN_M2.toString());
 196                         if (m2Coordinates == null)
 197                                 throw new IllegalArgumentException("No M2 coordinates available for " + bndFile);
 198                         M2Artifact artifact = new M2Artifact(m2Coordinates);
 199                         URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 200                         Path downloaded = downloadMaven(url, artifact);
 201
 202                         Path targetBundleDir = processBndJar(downloaded, targetCategoryBase, fileProps, artifact);
 203                         downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 204
 205                         createJar(targetBundleDir);
 206                 } catch (Exception e) {
 207                         throw new RuntimeException("Cannot process " + bndFile, e);
 208                 }
 209         }
 210
 211         /** Process multiple Maven artifacts. */
 212         public void processM2BasedDistributionUnit(Path duDir) {
 213                 try {
 214                         Path categoryRelativePath = descriptorsBase.relativize(duDir.getParent());
 215                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 216
 217                         Path mergeBnd = duDir.resolve(MERGE_BND);
 218                         if (Files.exists(mergeBnd)) // merge
 219                                 mergeM2Artifacts(mergeBnd);
 220
 221                         Path commonBnd = duDir.resolve(COMMON_BND);
 222                         if (!Files.exists(commonBnd))
 223                                 return;
 224
 225                         Properties commonProps = new Properties();
 226                         try (InputStream in = Files.newInputStream(commonBnd)) {
 227                                 commonProps.load(in);
 228                         }
 229
 230                         String m2Version = commonProps.getProperty(SLC_ORIGIN_M2.toString());
 231                         if (m2Version == null) {
 232                                 logger.log(WARNING, "Ignoring " + duDir + " as it is not an M2-based distribution unit");
 233                                 return;// ignore, this is probably an Eclipse archive
 234                         }
 235                         if (!m2Version.startsWith(":")) {
 236                                 throw new IllegalStateException("Only the M2 version can be specified: " + m2Version);
 237                         }
 238                         m2Version = m2Version.substring(1);
 239
 240                         DirectoryStream<Path> ds = Files.newDirectoryStream(duDir,
 241                                         (p) -> p.getFileName().toString().endsWith(".bnd") && !p.getFileName().toString().equals(COMMON_BND)
 242                                                         && !p.getFileName().toString().equals(MERGE_BND));
 243                         for (Path p : ds) {
 244                                 Properties fileProps = new Properties();
 245                                 try (InputStream in = Files.newInputStream(p)) {
 246                                         fileProps.load(in);
 247                                 }
 248                                 String m2Coordinates = fileProps.getProperty(SLC_ORIGIN_M2.toString());
 249                                 M2Artifact artifact = new M2Artifact(m2Coordinates);
 250                                 artifact.setVersion(m2Version);
 251
 252                                 // prepare manifest entries
 253                                 Properties mergeProps = new Properties();
 254                                 mergeProps.putAll(commonProps);
 255
 256                                 fileEntries: for (Object key : fileProps.keySet()) {
 257                                         if (ManifestConstants.SLC_ORIGIN_M2.toString().equals(key))
 258                                                 continue fileEntries;
 259                                         String value = fileProps.getProperty(key.toString());
 260                                         Object previousValue = mergeProps.put(key.toString(), value);
 261                                         if (previousValue != null) {
 262                                                 logger.log(WARNING,
 263                                                                 commonBnd + ": " + key + " was " + previousValue + ", overridden with " + value);
 264                                         }
 265                                 }
 266                                 mergeProps.put(ManifestConstants.SLC_ORIGIN_M2.toString(), artifact.toM2Coordinates());
 267                                 if (!mergeProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 268                                         // use file name as symbolic name
 269                                         String symbolicName = p.getFileName().toString();
 270                                         symbolicName = symbolicName.substring(0, symbolicName.length() - ".bnd".length());
 271                                         mergeProps.put(BUNDLE_SYMBOLICNAME.toString(), symbolicName);
 272                                 }
 273
 274                                 String repoStr = mergeProps.containsKey(SLC_ORIGIN_M2_REPO.toString())
 275                                                 ? mergeProps.getProperty(SLC_ORIGIN_M2_REPO.toString())
 276                                                 : null;
 277
 278                                 // download
 279                                 URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 280                                 Path downloaded = downloadMaven(url, artifact);
 281
 282                                 Path targetBundleDir = processBndJar(downloaded, targetCategoryBase, mergeProps, artifact);
 283                                 downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 284                                 createJar(targetBundleDir);
 285                         }
 286                 } catch (IOException e) {
 287                         throw new RuntimeException("Cannot process " + duDir, e);
 288                 }
 289         }
 290
 291         /** Merge multiple Maven artifacts. */
 292         protected void mergeM2Artifacts(Path mergeBnd) throws IOException {
 293                 Path duDir = mergeBnd.getParent();
 294                 String category = duDir.getParent().getFileName().toString();
 295                 Path targetCategoryBase = a2Base.resolve(category);
 296
 297                 Properties mergeProps = new Properties();
 298                 try (InputStream in = Files.newInputStream(mergeBnd)) {
 299                         mergeProps.load(in);
 300                 }
 301
 302                 String m2Version = mergeProps.getProperty(SLC_ORIGIN_M2.toString());
 303                 if (m2Version == null) {
 304                         logger.log(WARNING, "Ignoring " + duDir + " as it is not an M2-based distribution unit");
 305                         return;// ignore, this is probably an Eclipse archive
 306                 }
 307                 if (!m2Version.startsWith(":")) {
 308                         throw new IllegalStateException("Only the M2 version can be specified: " + m2Version);
 309                 }
 310                 m2Version = m2Version.substring(1);
 311                 mergeProps.put(ManifestConstants.BUNDLE_VERSION.toString(), m2Version);
 312
 313                 String artifactsStr = mergeProps.getProperty(ManifestConstants.SLC_ORIGIN_M2_MERGE.toString());
 314                 if (artifactsStr == null)
 315                         throw new IllegalArgumentException(
 316                                         mergeBnd + ": " + ManifestConstants.SLC_ORIGIN_M2_MERGE + " must be set");
 317
 318                 String repoStr = mergeProps.containsKey(SLC_ORIGIN_M2_REPO.toString())
 319                                 ? mergeProps.getProperty(SLC_ORIGIN_M2_REPO.toString())
 320                                 : null;
 321
 322                 String bundleSymbolicName = mergeProps.getProperty(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 323                 if (bundleSymbolicName == null)
 324                         throw new IllegalArgumentException("Bundle-SymbolicName must be set in " + mergeBnd);
 325                 CategoryNameVersion nameVersion = new M2Artifact(category + ":" + bundleSymbolicName + ":" + m2Version);
 326
 327                 Path targetBundleDir = targetCategoryBase.resolve(bundleSymbolicName + "." + nameVersion.getBranch());
 328                 if (Files.exists(targetBundleDir)) {
 329                         logger.log(WARNING, targetBundleDir + " exists, deleting it...");
 330                         deleteDirectory(targetBundleDir);
 331                 } else {
 332                         Files.createDirectories(targetBundleDir);
 333                 }
 334
 335                 String[] artifacts = artifactsStr.split(",");
 336                 artifacts: for (String str : artifacts) {
 337                         String m2Coordinates = str.trim();
 338                         if ("".equals(m2Coordinates))
 339                                 continue artifacts;
 340                         M2Artifact artifact = new M2Artifact(m2Coordinates.trim());
 341                         if (artifact.getVersion() == null)
 342                                 artifact.setVersion(m2Version);
 343                         URL url = M2ConventionsUtils.mavenRepoUrl(repoStr, artifact);
 344                         Path downloaded = downloadMaven(url, artifact);
 345                         JarEntry entry;
 346                         try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(downloaded), false)) {
 347                                 entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 348                                         if (entry.isDirectory())
 349                                                 continue entries;
 350                                         else if (entry.getName().endsWith(".RSA") || entry.getName().endsWith(".SF"))
 351                                                 continue entries;
 352                                         else if (entry.getName().startsWith("META-INF/versions/"))
 353                                                 continue entries;
 354                                         else if (entry.getName().startsWith("META-INF/maven/"))
 355                                                 continue entries;
 356                                         else if (entry.getName().equals("module-info.class"))
 357                                                 continue entries;
 358                                         else if (entry.getName().equals("META-INF/NOTICE"))
 359                                                 continue entries;
 360                                         else if (entry.getName().equals("META-INF/NOTICE.txt"))
 361                                                 continue entries;
 362                                         else if (entry.getName().equals("META-INF/LICENSE"))
 363                                                 continue entries;
 364                                         else if (entry.getName().equals("META-INF/LICENSE.md"))
 365                                                 continue entries;
 366                                         else if (entry.getName().equals("META-INF/LICENSE-notice.md"))
 367                                                 continue entries;
 368                                         else if (entry.getName().equals("META-INF/DEPENDENCIES"))
 369                                                 continue entries;
 370                                         if (entry.getName().startsWith(".cache/")) // Apache SSHD
 371                                                 continue entries;
 372                                         Path target = targetBundleDir.resolve(entry.getName());
 373                                         Files.createDirectories(target.getParent());
 374                                         if (!Files.exists(target)) {
 375                                                 Files.copy(jarIn, target);
 376                                         } else {
 377                                                 if (entry.getName().startsWith("META-INF/services/")) {
 378                                                         try (OutputStream out = Files.newOutputStream(target, StandardOpenOption.APPEND)) {
 379                                                                 out.write("\n".getBytes());
 380                                                                 jarIn.transferTo(out);
 381                                                                 logger.log(DEBUG, artifact.getArtifactId() + " - Appended " + entry.getName());
 382                                                         }
 383                                                 } else if (entry.getName().startsWith("org/apache/batik/")) {
 384                                                         logger.log(TRACE, "Skip " + entry.getName());
 385                                                         continue entries;
 386                                                 } else {
 387                                                         throw new IllegalStateException("File " + target + " from " + artifact + " already exists");
 388                                                 }
 389                                         }
 390                                         logger.log(TRACE, () -> "Copied " + target);
 391                                 }
 392
 393                         }
 394                         downloadAndProcessM2Sources(repoStr, artifact, targetBundleDir);
 395                 }
 396
 397                 // additional service files
 398                 Path servicesDir = duDir.resolve("services");
 399                 if (Files.exists(servicesDir)) {
 400                         for (Path p : Files.newDirectoryStream(servicesDir)) {
 401                                 Path target = targetBundleDir.resolve("META-INF/services/").resolve(p.getFileName());
 402                                 try (InputStream in = Files.newInputStream(p);
 403                                                 OutputStream out = Files.newOutputStream(target, StandardOpenOption.APPEND);) {
 404                                         out.write("\n".getBytes());
 405                                         in.transferTo(out);
 406                                         logger.log(DEBUG, "Appended " + p);
 407                                 }
 408                         }
 409                 }
 410
 411                 Map<String, String> entries = new TreeMap<>();
 412                 try (Analyzer bndAnalyzer = new Analyzer()) {
 413                         bndAnalyzer.setProperties(mergeProps);
 414                         Jar jar = new Jar(targetBundleDir.toFile());
 415                         bndAnalyzer.setJar(jar);
 416                         Manifest manifest = bndAnalyzer.calcManifest();
 417
 418                         keys: for (Object key : manifest.getMainAttributes().keySet()) {
 419                                 Object value = manifest.getMainAttributes().get(key);
 420
 421                                 switch (key.toString()) {
 422                                 case "Tool":
 423                                 case "Bnd-LastModified":
 424                                 case "Created-By":
 425                                         continue keys;
 426                                 }
 427                                 if ("Require-Capability".equals(key.toString())
 428                                                 && value.toString().equals("osgi.ee;filter:=\"(&(osgi.ee=JavaSE)(version=1.1))\""))
 429                                         continue keys;// hack for very old classes
 430                                 entries.put(key.toString(), value.toString());
 431                         }
 432                 } catch (Exception e) {
 433                         throw new RuntimeException("Cannot process " + mergeBnd, e);
 434                 }
 435
 436                 Manifest manifest = new Manifest();
 437                 Path manifestPath = targetBundleDir.resolve("META-INF/MANIFEST.MF");
 438                 Files.createDirectories(manifestPath.getParent());
 439                 for (String key : entries.keySet()) {
 440                         String value = entries.get(key);
 441                         manifest.getMainAttributes().putValue(key, value);
 442                 }
 443
 444                 try (OutputStream out = Files.newOutputStream(manifestPath)) {
 445                         manifest.write(out);
 446                 }
 447                 createJar(targetBundleDir);
 448         }
 449
 450         /** Generate MANIFEST using BND. */
 451         protected Path processBndJar(Path downloaded, Path targetCategoryBase, Properties fileProps, M2Artifact artifact) {
 452
 453                 try {
 454                         Map<String, String> additionalEntries = new TreeMap<>();
 455                         boolean doNotModify = Boolean.parseBoolean(fileProps
 456                                         .getOrDefault(ManifestConstants.SLC_ORIGIN_MANIFEST_NOT_MODIFIED.toString(), "false").toString());
 457
 458                         // we always force the symbolic name
 459
 460                         if (doNotModify) {
 461                                 fileEntries: for (Object key : fileProps.keySet()) {
 462                                         if (ManifestConstants.SLC_ORIGIN_M2.toString().equals(key))
 463                                                 continue fileEntries;
 464                                         String value = fileProps.getProperty(key.toString());
 465                                         additionalEntries.put(key.toString(), value);
 466                                 }
 467                         } else {
 468                                 if (artifact != null) {
 469                                         if (!fileProps.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 470                                                 fileProps.put(BUNDLE_SYMBOLICNAME.toString(), artifact.getName());
 471                                         }
 472                                         if (!fileProps.containsKey(BUNDLE_VERSION.toString())) {
 473                                                 fileProps.put(BUNDLE_VERSION.toString(), artifact.getVersion());
 474                                         }
 475                                 }
 476
 477                                 if (!fileProps.containsKey(EXPORT_PACKAGE.toString())) {
 478                                         fileProps.put(EXPORT_PACKAGE.toString(),
 479                                                         "*;version=\"" + fileProps.getProperty(BUNDLE_VERSION.toString()) + "\"");
 480                                 }
 481
 482                                 try (Analyzer bndAnalyzer = new Analyzer()) {
 483                                         bndAnalyzer.setProperties(fileProps);
 484                                         Jar jar = new Jar(downloaded.toFile());
 485                                         bndAnalyzer.setJar(jar);
 486                                         Manifest manifest = bndAnalyzer.calcManifest();
 487
 488                                         keys: for (Object key : manifest.getMainAttributes().keySet()) {
 489                                                 Object value = manifest.getMainAttributes().get(key);
 490
 491                                                 switch (key.toString()) {
 492                                                 case "Tool":
 493                                                 case "Bnd-LastModified":
 494                                                 case "Created-By":
 495                                                         continue keys;
 496                                                 }
 497                                                 if ("Require-Capability".equals(key.toString())
 498                                                                 && value.toString().equals("osgi.ee;filter:=\"(&(osgi.ee=JavaSE)(version=1.1))\""))
 499                                                         continue keys;// hack for very old classes
 500                                                 additionalEntries.put(key.toString(), value.toString());
 501                                                 // logger.log(DEBUG, () -> key + "=" + value);
 502
 503                                         }
 504                                 }
 505                         }
 506                         Path targetBundleDir = processBundleJar(downloaded, targetCategoryBase, additionalEntries);
 507                         logger.log(DEBUG, () -> "Processed " + downloaded);
 508                         return targetBundleDir;
 509                 } catch (Exception e) {
 510                         throw new RuntimeException("Cannot BND process " + downloaded, e);
 511                 }
 512
 513         }
 514
 515         /** Download and integrates sources for a single Maven artifact. */
 516         protected void downloadAndProcessM2Sources(String repoStr, M2Artifact artifact, Path targetBundleDir)
 517                         throws IOException {
 518                 try {
 519                         M2Artifact sourcesArtifact = new M2Artifact(artifact.toM2Coordinates(), "sources");
 520                         URL sourcesUrl = M2ConventionsUtils.mavenRepoUrl(repoStr, sourcesArtifact);
 521                         Path sourcesDownloaded = downloadMaven(sourcesUrl, artifact, true);
 522                         processM2SourceJar(sourcesDownloaded, targetBundleDir);
 523                         logger.log(TRACE, () -> "Processed source " + sourcesDownloaded);
 524                 } catch (Exception e) {
 525                         logger.log(ERROR, () -> "Cannot download source for  " + artifact);
 526                 }
 527
 528         }
 529
 530         /** Integrate sources from a downloaded jar file. */
 531         protected void processM2SourceJar(Path file, Path targetBundleDir) throws IOException {
 532                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 533                         Path targetSourceDir = sourceBundles
 534                                         ? targetBundleDir.getParent().resolve(targetBundleDir.toString() + ".src")
 535                                         : targetBundleDir.resolve("OSGI-OPT/src");
 536
 537                         if (Files.exists(targetSourceDir) && sourceBundles) {
 538                                 logger.log(WARNING, targetSourceDir + " exists, deleting it...");
 539                                 deleteDirectory(targetSourceDir);
 540                         } else {
 541                                 Files.createDirectories(targetSourceDir);
 542                         }
 543
 544                         // copy entries
 545                         JarEntry entry;
 546                         entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 547                                 if (entry.isDirectory())
 548                                         continue entries;
 549                                 if (entry.getName().startsWith("META-INF"))// skip META-INF entries
 550                                         continue entries;
 551                                 if (entry.getName().startsWith("module-info.java"))// skip META-INF entries
 552                                         continue entries;
 553                                 if (entry.getName().startsWith("/")) // absolute paths
 554                                         continue entries;
 555                                 Path target = targetSourceDir.resolve(entry.getName());
 556                                 Files.createDirectories(target.getParent());
 557                                 if (!Files.exists(target)) {
 558                                         Files.copy(jarIn, target);
 559                                         logger.log(TRACE, () -> "Copied source " + target);
 560                                 } else {
 561                                         logger.log(TRACE, () -> target + " already exists, skipping...");
 562                                 }
 563                         }
 564                 }
 565
 566         }
 567
 568         /** Download a Maven artifact. */
 569         protected Path downloadMaven(URL url, M2Artifact artifact) throws IOException {
 570                 return downloadMaven(url, artifact, false);
 571         }
 572
 573         /** Download a Maven artifact. */
 574         protected Path downloadMaven(URL url, M2Artifact artifact, boolean sources) throws IOException {
 575                 return download(url, mavenBase, artifact.getGroupId().replace(".", "/") //
 576                                 + '/' + artifact.getArtifactId() + '/' + artifact.getVersion() //
 577                                 + '/' + artifact.getArtifactId() + "-" + artifact.getVersion() + (sources ? "-sources" : "") + ".jar");
 578         }
 579
 580         /*
 581          * ECLIPSE ORIGIN
 582          */
 583         /** Process an archive in Eclipse format. */
 584         public void processEclipseArchive(Path duDir) {
 585                 try {
 586                         Path categoryRelativePath = descriptorsBase.relativize(duDir.getParent());
 587                         Path targetCategoryBase = a2Base.resolve(categoryRelativePath);
 588                         Files.createDirectories(targetCategoryBase);
 589                         // first delete all directories from previous builds
 590                         for (Path dir : Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p)))
 591                                 deleteDirectory(dir);
 592
 593                         Files.createDirectories(originBase);
 594
 595                         Path commonBnd = duDir.resolve(COMMON_BND);
 596                         Properties commonProps = new Properties();
 597                         try (InputStream in = Files.newInputStream(commonBnd)) {
 598                                 commonProps.load(in);
 599                         }
 600                         String url = commonProps.getProperty(ManifestConstants.SLC_ORIGIN_URI.toString());
 601                         if (url == null) {
 602                                 url = uris.getProperty(duDir.getFileName().toString());
 603                                 if (url == null)
 604                                         throw new IllegalStateException("No url available for " + duDir);
 605                                 commonProps.put(ManifestConstants.SLC_ORIGIN_URI.toString(), url);
 606                         }
 607                         Path downloaded = tryDownloadArchive(url, originBase);
 608
 609                         FileSystem zipFs = FileSystems.newFileSystem(downloaded, (ClassLoader) null);
 610
 611                         // filters
 612                         List<PathMatcher> includeMatchers = new ArrayList<>();
 613                         Properties includes = new Properties();
 614                         try (InputStream in = Files.newInputStream(duDir.resolve("includes.properties"))) {
 615                                 includes.load(in);
 616                         }
 617                         for (Object pattern : includes.keySet()) {
 618                                 PathMatcher pathMatcher = zipFs.getPathMatcher("glob:/" + pattern);
 619                                 includeMatchers.add(pathMatcher);
 620                         }
 621
 622                         List<PathMatcher> excludeMatchers = new ArrayList<>();
 623                         Path excludeFile = duDir.resolve("excludes.properties");
 624                         if (Files.exists(excludeFile)) {
 625                                 Properties excludes = new Properties();
 626                                 try (InputStream in = Files.newInputStream(excludeFile)) {
 627                                         excludes.load(in);
 628                                 }
 629                                 for (Object pattern : excludes.keySet()) {
 630                                         PathMatcher pathMatcher = zipFs.getPathMatcher("glob:/" + pattern);
 631                                         excludeMatchers.add(pathMatcher);
 632                                 }
 633                         }
 634
 635                         Files.walkFileTree(zipFs.getRootDirectories().iterator().next(), new SimpleFileVisitor<Path>() {
 636
 637                                 @Override
 638                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 639                                         includeMatchers: for (PathMatcher includeMatcher : includeMatchers) {
 640                                                 if (includeMatcher.matches(file)) {
 641                                                         for (PathMatcher excludeMatcher : excludeMatchers) {
 642                                                                 if (excludeMatcher.matches(file)) {
 643                                                                         logger.log(TRACE, "Skipping excluded " + file);
 644                                                                         return FileVisitResult.CONTINUE;
 645                                                                 }
 646                                                         }
 647                                                         if (file.getFileName().toString().contains(".source_")) {
 648                                                                 processEclipseSourceJar(file, targetCategoryBase);
 649                                                                 logger.log(DEBUG, () -> "Processed source " + file);
 650                                                         } else {
 651                                                                 Map<String, String> map = new HashMap<>();
 652                                                                 for (Object key : commonProps.keySet())
 653                                                                         map.put(key.toString(), commonProps.getProperty(key.toString()));
 654                                                                 processBundleJar(file, targetCategoryBase, map);
 655                                                                 logger.log(DEBUG, () -> "Processed " + file);
 656                                                         }
 657                                                         break includeMatchers;
 658                                                 }
 659                                         }
 660                                         return FileVisitResult.CONTINUE;
 661                                 }
 662                         });
 663
 664                         DirectoryStream<Path> dirs = Files.newDirectoryStream(targetCategoryBase, (p) -> Files.isDirectory(p)
 665                                         && p.getFileName().toString().indexOf('.') >= 0 && !p.getFileName().toString().endsWith(".src"));
 666                         for (Path dir : dirs) {
 667                                 createJar(dir);
 668                         }
 669                 } catch (IOException e) {
 670                         throw new RuntimeException("Cannot process " + duDir, e);
 671                 }
 672
 673         }
 674
 675         /** Process sources in Eclipse format. */
 676         protected void processEclipseSourceJar(Path file, Path targetBase) throws IOException {
 677                 try {
 678                         Path targetBundleDir;
 679                         try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 680                                 Manifest manifest = jarIn.getManifest();
 681
 682                                 String[] relatedBundle = manifest.getMainAttributes().getValue("Eclipse-SourceBundle").split(";");
 683                                 String version = relatedBundle[1].substring("version=\"".length());
 684                                 version = version.substring(0, version.length() - 1);
 685                                 NameVersion nameVersion = new NameVersion(relatedBundle[0], version);
 686                                 targetBundleDir = targetBase.resolve(nameVersion.getName() + "." + nameVersion.getBranch());
 687
 688                                 Path targetSourceDir = sourceBundles
 689                                                 ? targetBundleDir.getParent().resolve(targetBundleDir.toString() + ".src")
 690                                                 : targetBundleDir.resolve("OSGI-OPT/src");
 691
 692                                 if (Files.exists(targetSourceDir) && sourceBundles) {
 693                                         logger.log(WARNING, targetSourceDir + " exists, deleting it...");
 694                                         deleteDirectory(targetSourceDir);
 695                                 } else {
 696                                         Files.createDirectories(targetSourceDir);
 697                                 }
 698
 699                                 // copy entries
 700                                 JarEntry entry;
 701                                 entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 702                                         if (entry.isDirectory())
 703                                                 continue entries;
 704                                         if (entry.getName().startsWith("META-INF"))// skip META-INF entries
 705                                                 continue entries;
 706                                         Path target = targetSourceDir.resolve(entry.getName());
 707                                         Files.createDirectories(target.getParent());
 708                                         Files.copy(jarIn, target);
 709                                         logger.log(TRACE, () -> "Copied source " + target);
 710                                 }
 711                         }
 712                 } catch (IOException e) {
 713                         throw new IllegalStateException("Cannot process " + file, e);
 714                 }
 715         }
 716
 717         /*
 718          * COMMON PROCESSING
 719          */
 720         /** Normalise a bundle. */
 721         protected Path processBundleJar(Path file, Path targetBase, Map<String, String> entries) throws IOException {
 722                 NameVersion nameVersion;
 723                 Path targetBundleDir;
 724                 try (JarInputStream jarIn = new JarInputStream(Files.newInputStream(file), false)) {
 725                         Manifest sourceManifest = jarIn.getManifest();
 726                         Manifest manifest = sourceManifest != null ? new Manifest(sourceManifest) : new Manifest();
 727
 728                         // singleton
 729                         boolean isSingleton = false;
 730                         String rawSourceSymbolicName = manifest.getMainAttributes()
 731                                         .getValue(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 732                         if (rawSourceSymbolicName != null) {
 733                                 // make sure there is no directive
 734                                 String[] arr = rawSourceSymbolicName.split(";");
 735                                 for (int i = 1; i < arr.length; i++) {
 736                                         if (arr[i].trim().equals("singleton:=true"))
 737                                                 isSingleton = true;
 738                                         logger.log(DEBUG, file.getFileName() + " is a singleton");
 739                                 }
 740                         }
 741                         // remove problematic entries in MANIFEST
 742                         manifest.getEntries().clear();
 743
 744                         String ourSymbolicName = entries.get(BUNDLE_SYMBOLICNAME.toString());
 745                         String ourVersion = entries.get(BUNDLE_VERSION.toString());
 746
 747                         if (ourSymbolicName != null && ourVersion != null) {
 748                                 nameVersion = new NameVersion(ourSymbolicName, ourVersion);
 749                         } else {
 750                                 nameVersion = nameVersionFromManifest(manifest);
 751                                 if (ourVersion != null && !nameVersion.getVersion().equals(ourVersion)) {
 752                                         logger.log(WARNING,
 753                                                         "Original version is " + nameVersion.getVersion() + " while new version is " + ourVersion);
 754                                         entries.put(BUNDLE_VERSION.toString(), ourVersion);
 755                                 }
 756                                 if (ourSymbolicName != null) {
 757                                         // we always force our symbolic name
 758                                         nameVersion.setName(ourSymbolicName);
 759                                 }
 760                         }
 761                         targetBundleDir = targetBase.resolve(nameVersion.getName() + "." + nameVersion.getBranch());
 762                         if (Files.exists(targetBundleDir)) {
 763                                 logger.log(WARNING, targetBundleDir + " exists, deleting it...");
 764                                 deleteDirectory(targetBundleDir);
 765                         } else {
 766                                 Files.createDirectories(targetBundleDir);
 767                         }
 768
 769                         // force Java 9 module name
 770                         entries.put(ManifestConstants.AUTOMATIC_MODULE_NAME.toString(), nameVersion.getName());
 771
 772                         boolean isNative = false;
 773                         String os = null;
 774                         String arch = null;
 775                         if (targetBundleDir.startsWith(a2LibBase)) {
 776                                 isNative = true;
 777                                 Path libRelativePath = a2LibBase.relativize(targetBundleDir);
 778                                 os = libRelativePath.getName(0).toString();
 779                                 arch = libRelativePath.getName(1).toString();
 780                         }
 781
 782                         // copy entries
 783                         JarEntry entry;
 784                         entries: while ((entry = jarIn.getNextJarEntry()) != null) {
 785                                 if (entry.isDirectory())
 786                                         continue entries;
 787                                 if (entry.getName().endsWith(".RSA") || entry.getName().endsWith(".SF"))
 788                                         continue entries;
 789                                 if (entry.getName().endsWith("module-info.class")) // skip Java 9 module info
 790                                         continue entries;
 791                                 if (entry.getName().startsWith("META-INF/versions/")) // skip multi-version
 792                                         continue entries;
 793                                 // skip file system providers as they cause issues with native image
 794                                 if (entry.getName().startsWith("META-INF/services/java.nio.file.spi.FileSystemProvider"))
 795                                         continue entries;
 796                                 if (entry.getName().startsWith("OSGI-OPT/src/")) // skip embedded sources
 797                                         continue entries;
 798                                 Path target = targetBundleDir.resolve(entry.getName());
 799                                 Files.createDirectories(target.getParent());
 800                                 Files.copy(jarIn, target);
 801
 802                                 // native libraries
 803                                 if (isNative && (entry.getName().endsWith(".so") || entry.getName().endsWith(".dll")
 804                                                 || entry.getName().endsWith(".jnilib"))) {
 805                                         Path categoryDir = targetBundleDir.getParent();
 806                                         boolean copyDll = false;
 807                                         Path targetDll = categoryDir.resolve(targetBundleDir.relativize(target));
 808                                         if (nameVersion.getName().equals("com.sun.jna")) {
 809                                                 if (arch.equals("x86_64"))
 810                                                         arch = "x86-64";
 811                                                 if (os.equals("macosx"))
 812                                                         os = "darwin";
 813                                                 if (target.getParent().getFileName().toString().equals(os + "-" + arch)) {
 814                                                         copyDll = true;
 815                                                 }
 816                                                 targetDll = categoryDir.resolve(target.getFileName());
 817                                         } else {
 818                                                 copyDll = true;
 819                                         }
 820                                         if (copyDll) {
 821                                                 Files.createDirectories(targetDll.getParent());
 822                                                 if (Files.exists(targetDll))
 823                                                         Files.delete(targetDll);
 824                                                 Files.copy(target, targetDll);
 825                                         }
 826                                         Files.delete(target);
 827                                 }
 828                                 logger.log(TRACE, () -> "Copied " + target);
 829                         }
 830
 831                         // copy MANIFEST
 832                         Path manifestPath = targetBundleDir.resolve("META-INF/MANIFEST.MF");
 833                         Files.createDirectories(manifestPath.getParent());
 834
 835                         if (isSingleton && entries.containsKey(BUNDLE_SYMBOLICNAME.toString())) {
 836                                 entries.put(BUNDLE_SYMBOLICNAME.toString(),
 837                                                 entries.get(BUNDLE_SYMBOLICNAME.toString()) + ";singleton:=true");
 838                         }
 839
 840                         for (String key : entries.keySet()) {
 841                                 String value = entries.get(key);
 842                                 Object previousValue = manifest.getMainAttributes().putValue(key, value);
 843                                 if (previousValue != null && !previousValue.equals(value)) {
 844                                         if (ManifestConstants.IMPORT_PACKAGE.toString().equals(key)
 845                                                         || ManifestConstants.EXPORT_PACKAGE.toString().equals(key)
 846                                                         || ManifestConstants.BUNDLE_LICENSE.toString().equals(key))
 847                                                 logger.log(TRACE, file.getFileName() + ": " + key + " was modified");
 848                                         else
 849                                                 logger.log(WARNING, file.getFileName() + ": " + key + " was " + previousValue
 850                                                                 + ", overridden with " + value);
 851                                 }
 852
 853                                 // hack to remove unresolvable
 854                                 if (key.equals("Provide-Capability") || key.equals("Require-Capability"))
 855                                         if (nameVersion.getName().equals("osgi.core") || nameVersion.getName().equals("osgi.cmpn")) {
 856                                                 manifest.getMainAttributes().remove(key);
 857                                         }
 858                         }
 859                         try (OutputStream out = Files.newOutputStream(manifestPath)) {
 860                                 manifest.write(out);
 861                         }
 862                 }
 863                 return targetBundleDir;
 864         }
 865
 866         /*
 867          * UTILITIES
 868          */
 869         /** Recursively deletes a directory. */
 870         private static void deleteDirectory(Path path) throws IOException {
 871                 if (!Files.exists(path))
 872                         return;
 873                 Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
 874                         @Override
 875                         public FileVisitResult postVisitDirectory(Path directory, IOException e) throws IOException {
 876                                 if (e != null)
 877                                         throw e;
 878                                 Files.delete(directory);
 879                                 return CONTINUE;
 880                         }
 881
 882                         @Override
 883                         public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 884                                 Files.delete(file);
 885                                 return CONTINUE;
 886                         }
 887                 });
 888         }
 889
 890         /** Extract name/version from a MANIFEST. */
 891         protected NameVersion nameVersionFromManifest(Manifest manifest) {
 892                 Attributes attrs = manifest.getMainAttributes();
 893                 // symbolic name
 894                 String symbolicName = attrs.getValue(ManifestConstants.BUNDLE_SYMBOLICNAME.toString());
 895                 if (symbolicName == null)
 896                         return null;
 897                 // make sure there is no directive
 898                 symbolicName = symbolicName.split(";")[0];
 899
 900                 String version = attrs.getValue(ManifestConstants.BUNDLE_VERSION.toString());
 901                 return new NameVersion(symbolicName, version);
 902         }
 903
 904         /** Try to download from an URI. */
 905         protected Path tryDownloadArchive(String uri, Path dir) throws IOException {
 906                 // find mirror
 907                 List<String> urlBases = null;
 908                 String uriPrefix = null;
 909                 uriPrefixes: for (String uriPref : mirrors.keySet()) {
 910                         if (uri.startsWith(uriPref)) {
 911                                 if (mirrors.get(uriPref).size() > 0) {
 912                                         urlBases = mirrors.get(uriPref);
 913                                         uriPrefix = uriPref;
 914                                         break uriPrefixes;
 915                                 }
 916                         }
 917                 }
 918                 if (urlBases == null)
 919                         try {
 920                                 return downloadArchive(new URL(uri), dir);
 921                         } catch (FileNotFoundException e) {
 922                                 throw new FileNotFoundException("Cannot find " + uri);
 923                         }
 924
 925                 // try to download
 926                 for (String urlBase : urlBases) {
 927                         String relativePath = uri.substring(uriPrefix.length());
 928                         URL url = new URL(urlBase + relativePath);
 929                         try {
 930                                 return downloadArchive(url, dir);
 931                         } catch (FileNotFoundException e) {
 932                                 logger.log(WARNING, "Cannot download " + url + ", trying another mirror");
 933                         }
 934                 }
 935                 throw new FileNotFoundException("Cannot find " + uri);
 936         }
 937
 938         /**
 939          * Effectively download. Synchronised in order to avoid downloading twice in
 940          * parallel.
 941          */
 942         protected synchronized Path downloadArchive(URL url, Path dir) throws IOException {
 943                 return download(url, dir, (String) null);
 944         }
 945
 946         /** Effectively download. */
 947         protected Path download(URL url, Path dir, String name) throws IOException {
 948
 949                 Path dest;
 950                 if (name == null) {
 951                         // We use also use parent directory in case the archive itself has a fixed name
 952                         String[] segments = url.getPath().split("/");
 953                         name = segments.length > 1 ? segments[segments.length - 2] + '-' + segments[segments.length - 1]
 954                                         : segments[segments.length - 1];
 955                 }
 956
 957                 dest = dir.resolve(name);
 958                 if (Files.exists(dest)) {
 959                         logger.log(TRACE, () -> "File " + dest + " already exists for " + url + ", not downloading again");
 960                         return dest;
 961                 } else {
 962                         Files.createDirectories(dest.getParent());
 963                 }
 964
 965                 try (InputStream in = url.openStream()) {
 966                         Files.copy(in, dest);
 967                         logger.log(DEBUG, () -> "Downloaded " + dest + " from " + url);
 968                 }
 969                 return dest;
 970         }
 971
 972         /** Create a JAR file from a directory. */
 973         protected Path createJar(Path bundleDir) throws IOException {
 974                 // Create the jar
 975                 Path jarPath = bundleDir.getParent().resolve(bundleDir.getFileName() + ".jar");
 976                 Path manifestPath = bundleDir.resolve("META-INF/MANIFEST.MF");
 977                 Manifest manifest;
 978                 try (InputStream in = Files.newInputStream(manifestPath)) {
 979                         manifest = new Manifest(in);
 980                 }
 981                 try (JarOutputStream jarOut = new JarOutputStream(Files.newOutputStream(jarPath), manifest)) {
 982                         jarOut.setLevel(Deflater.DEFAULT_COMPRESSION);
 983                         Files.walkFileTree(bundleDir, new SimpleFileVisitor<Path>() {
 984
 985                                 @Override
 986                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 987                                         if (file.getFileName().toString().equals("MANIFEST.MF"))
 988                                                 return super.visitFile(file, attrs);
 989                                         JarEntry entry = new JarEntry(
 990                                                         bundleDir.relativize(file).toString().replace(File.separatorChar, '/'));
 991                                         jarOut.putNextEntry(entry);
 992                                         Files.copy(file, jarOut);
 993                                         return super.visitFile(file, attrs);
 994                                 }
 995
 996                         });
 997                 }
 998                 deleteDirectory(bundleDir);
 999
1000                 if (sourceBundles) {
1001                         Path bundleCategoryDir = bundleDir.getParent();
1002                         Path sourceDir = bundleCategoryDir.resolve(bundleDir.toString() + ".src");
1003                         if (!Files.exists(sourceDir)) {
1004                                 logger.log(WARNING, sourceDir + " does not exist, skipping...");
1005                                 return jarPath;
1006
1007                         }
1008
1009                         Path relPath = a2Base.relativize(bundleCategoryDir);
1010                         Path srcCategoryDir = a2SrcBase.resolve(relPath);
1011                         Path srcJarP = srcCategoryDir.resolve(sourceDir.getFileName() + ".jar");
1012                         Files.createDirectories(srcJarP.getParent());
1013
1014                         String bundleSymbolicName = manifest.getMainAttributes().getValue("Bundle-SymbolicName").toString();
1015                         // in case there are additional directives
1016                         bundleSymbolicName = bundleSymbolicName.split(";")[0];
1017                         Manifest srcManifest = new Manifest();
1018                         srcManifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
1019                         srcManifest.getMainAttributes().putValue("Bundle-SymbolicName", bundleSymbolicName + ".src");
1020                         srcManifest.getMainAttributes().putValue("Bundle-Version",
1021                                         manifest.getMainAttributes().getValue("Bundle-Version").toString());
1022                         srcManifest.getMainAttributes().putValue("Eclipse-SourceBundle",
1023                                         bundleSymbolicName + ";version=\"" + manifest.getMainAttributes().getValue("Bundle-Version"));
1024
1025                         try (JarOutputStream srcJarOut = new JarOutputStream(Files.newOutputStream(srcJarP), srcManifest)) {
1026                                 srcJarOut.setLevel(Deflater.BEST_COMPRESSION);
1027                                 Files.walkFileTree(sourceDir, new SimpleFileVisitor<Path>() {
1028
1029                                         @Override
1030                                         public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
1031                                                 if (file.getFileName().toString().equals("MANIFEST.MF"))
1032                                                         return super.visitFile(file, attrs);
1033                                                 JarEntry entry = new JarEntry(
1034                                                                 sourceDir.relativize(file).toString().replace(File.separatorChar, '/'));
1035                                                 srcJarOut.putNextEntry(entry);
1036                                                 Files.copy(file, srcJarOut);
1037                                                 return super.visitFile(file, attrs);
1038                                         }
1039
1040                                 });
1041                         }
1042                         deleteDirectory(sourceDir);
1043                 }
1044
1045                 return jarPath;
1046         }
1047
1048         /** MANIFEST headers. */
1049         enum ManifestConstants {
1050                 // OSGi
1051                 BUNDLE_SYMBOLICNAME("Bundle-SymbolicName"), //
1052                 BUNDLE_VERSION("Bundle-Version"), //
1053                 BUNDLE_LICENSE("Bundle-License"), //
1054                 EXPORT_PACKAGE("Export-Package"), //
1055                 IMPORT_PACKAGE("Import-Package"), //
1056                 // JAVA
1057                 AUTOMATIC_MODULE_NAME("Automatic-Module-Name"), //
1058                 // SLC
1059                 SLC_CATEGORY("SLC-Category"), //
1060                 SLC_ORIGIN_M2("SLC-Origin-M2"), //
1061                 SLC_ORIGIN_M2_MERGE("SLC-Origin-M2-Merge"), //
1062                 SLC_ORIGIN_M2_REPO("SLC-Origin-M2-Repo"), //
1063                 SLC_ORIGIN_MANIFEST_NOT_MODIFIED("SLC-Origin-ManifestNotModified"), //
1064                 SLC_ORIGIN_URI("SLC-Origin-URI"), //
1065                 ;
1066
1067                 final String value;
1068
1069                 private ManifestConstants(String value) {
1070                         this.value = value;
1071                 }
1072
1073                 @Override
1074                 public String toString() {
1075                         return value;
1076                 }
1077         }
1078 }
1079
1080 /** Simple representation of an M2 artifact. */
1081 class M2Artifact extends CategoryNameVersion {
1082         private String classifier;
1083
1084         M2Artifact(String m2coordinates) {
1085                 this(m2coordinates, null);
1086         }
1087
1088         M2Artifact(String m2coordinates, String classifier) {
1089                 String[] parts = m2coordinates.split(":");
1090                 setCategory(parts[0]);
1091                 setName(parts[1]);
1092                 if (parts.length > 2) {
1093                         setVersion(parts[2]);
1094                 }
1095                 this.classifier = classifier;
1096         }
1097
1098         String getGroupId() {
1099                 return super.getCategory();
1100         }
1101
1102         String getArtifactId() {
1103                 return super.getName();
1104         }
1105
1106         String toM2Coordinates() {
1107                 return getCategory() + ":" + getName() + (getVersion() != null ? ":" + getVersion() : "");
1108         }
1109
1110         String getClassifier() {
1111                 return classifier != null ? classifier : "";
1112         }
1113
1114         String getExtension() {
1115                 return "jar";
1116         }
1117 }
1118
1119 /** Utilities around Maven (conventions based). */
1120 class M2ConventionsUtils {
1121         final static String MAVEN_CENTRAL_BASE_URL = "https://repo1.maven.org/maven2/";
1122
1123         /** The file name of this artifact when stored */
1124         static String artifactFileName(M2Artifact artifact) {
1125                 return artifact.getArtifactId() + '-' + artifact.getVersion()
1126                                 + (artifact.getClassifier().equals("") ? "" : '-' + artifact.getClassifier()) + '.'
1127                                 + artifact.getExtension();
1128         }
1129
1130         /** Absolute path to the file */
1131         static String artifactPath(String artifactBasePath, M2Artifact artifact) {
1132                 return artifactParentPath(artifactBasePath, artifact) + '/' + artifactFileName(artifact);
1133         }
1134
1135         /** Absolute path to the file */
1136         static String artifactUrl(String repoUrl, M2Artifact artifact) {
1137                 if (repoUrl.endsWith("/"))
1138                         return repoUrl + artifactPath("/", artifact).substring(1);
1139                 else
1140                         return repoUrl + artifactPath("/", artifact);
1141         }
1142
1143         /** Absolute path to the file */
1144         static URL mavenRepoUrl(String repoBase, M2Artifact artifact) {
1145                 String url = artifactUrl(repoBase == null ? MAVEN_CENTRAL_BASE_URL : repoBase, artifact);
1146                 try {
1147                         return new URL(url);
1148                 } catch (MalformedURLException e) {
1149                         // it should not happen
1150                         throw new IllegalStateException(e);
1151                 }
1152         }
1153
1154         /** Absolute path to the directories where the files will be stored */
1155         static String artifactParentPath(String artifactBasePath, M2Artifact artifact) {
1156                 return artifactBasePath + (artifactBasePath.endsWith("/") ? "" : "/") + artifactParentPath(artifact);
1157         }
1158
1159         /** Relative path to the directories where the files will be stored */
1160         static String artifactParentPath(M2Artifact artifact) {
1161                 return artifact.getGroupId().replace('.', '/') + '/' + artifact.getArtifactId() + '/' + artifact.getVersion();
1162         }
1163
1164         /** Singleton */
1165         private M2ConventionsUtils() {
1166         }
1167 }
1168
1169 /** Combination of a category, a name and a version. */
1170 class CategoryNameVersion extends NameVersion {
1171         private String category;
1172
1173         CategoryNameVersion() {
1174         }
1175
1176         CategoryNameVersion(String category, String name, String version) {
1177                 super(name, version);
1178                 this.category = category;
1179         }
1180
1181         CategoryNameVersion(String category, NameVersion nameVersion) {
1182                 super(nameVersion);
1183                 this.category = category;
1184         }
1185
1186         String getCategory() {
1187                 return category;
1188         }
1189
1190         void setCategory(String category) {
1191                 this.category = category;
1192         }
1193
1194         @Override
1195         public String toString() {
1196                 return category + ":" + super.toString();
1197         }
1198
1199 }
1200
1201 /** Combination of a name and a version. */
1202 class NameVersion implements Comparable<NameVersion> {
1203         private String name;
1204         private String version;
1205
1206         NameVersion() {
1207         }
1208
1209         /** Interprets string in OSGi-like format my.module.name;version=0.0.0 */
1210         NameVersion(String nameVersion) {
1211                 int index = nameVersion.indexOf(";version=");
1212                 if (index < 0) {
1213                         setName(nameVersion);
1214                         setVersion(null);
1215                 } else {
1216                         setName(nameVersion.substring(0, index));
1217                         setVersion(nameVersion.substring(index + ";version=".length()));
1218                 }
1219         }
1220
1221         NameVersion(String name, String version) {
1222                 this.name = name;
1223                 this.version = version;
1224         }
1225
1226         NameVersion(NameVersion nameVersion) {
1227                 this.name = nameVersion.getName();
1228                 this.version = nameVersion.getVersion();
1229         }
1230
1231         String getName() {
1232                 return name;
1233         }
1234
1235         void setName(String name) {
1236                 this.name = name;
1237         }
1238
1239         String getVersion() {
1240                 return version;
1241         }
1242
1243         void setVersion(String version) {
1244                 this.version = version;
1245         }
1246
1247         String getBranch() {
1248                 String[] parts = getVersion().split("\\.");
1249                 if (parts.length < 2)
1250                         throw new IllegalStateException("Version " + getVersion() + " cannot be interpreted as branch.");
1251                 return parts[0] + "." + parts[1];
1252         }
1253
1254         @Override
1255         public boolean equals(Object obj) {
1256                 if (obj instanceof NameVersion) {
1257                         NameVersion nameVersion = (NameVersion) obj;
1258                         return name.equals(nameVersion.getName()) && version.equals(nameVersion.getVersion());
1259                 } else
1260                         return false;
1261         }
1262
1263         @Override
1264         public int hashCode() {
1265                 return name.hashCode();
1266         }
1267
1268         @Override
1269         public String toString() {
1270                 return name + ":" + version;
1271         }
1272
1273         public int compareTo(NameVersion o) {
1274                 if (o.getName().equals(name))
1275                         return version.compareTo(o.getVersion());
1276                 else
1277                         return name.compareTo(o.getName());
1278         }
1279 }